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Evangelatos G, Konstantonis G, Tentolouris N, Sfikakis PP, Tektonidou MG. Arterial stiffness tested by pulse wave velocity and augmentation index for cardiovascular risk stratification in antiphospholipid syndrome. Rheumatology (Oxford) 2024; 63:1030-1038. [PMID: 37294733 PMCID: PMC10986810 DOI: 10.1093/rheumatology/kead267] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/06/2023] [Accepted: 05/26/2023] [Indexed: 06/11/2023] Open
Abstract
OBJECTIVES Cardiovascular disease is a major cause of morbidity and mortality in Antiphospholipid syndrome (APS). Arterial stiffness (ArS) has emerged as a predictor of future cardiovascular events in the general population. We aimed to assess ArS in patients with thrombotic APS versus diabetes mellitus (DM) and healthy controls (HC) and identify predictors of increased ArS in APS. METHODS ArS was evaluated by carotid-femoral pulse wave velocity (cfPWV) and augmentation index normalized to 75 beats/min (AIx@75) using the SphygmoCor device. Participants also underwent carotid/femoral ultrasound for atherosclerotic plaque detection. We used linear regression to compare ArS measures among groups and assess ArS determinants in the APS group. RESULTS We included 110 patients with APS (70.9% female, mean age 45.4 years), 110 DM patients and 110 HC, all age/sex matched. After adjustment for age, sex, cardiovascular risk factors and plaque presence, APS patients exhibited similar cfPWV [β = -0.142 (95% CI -0.514, 0.230), p = 0.454] but increased AIx@75 [β = 4.525 (95% CI 1.372, 7.677), p = 0.005] compared with HC and lower cfPWV (p < 0.001) but similar AIx@75 (p = 0.193) versus DM patients. In the APS group, cfPWV was independently associated with age [β = 0.056 (95% CI 0.034, 0.078), p < 0.001], mean arterial pressure (MAP) [β = 0.070 (95% CI 0.043, 0.097), p < 0.001], atherosclerotic femoral plaques [β = 0.732 (95% CI 0.053, 1.411), p = 0.035] and anti-β2-glycoprotein I IgM positivity [β = 0.696 (95% CI 0.201, 1.191), p = 0.006]. AIx@75 was associated with age [β = 0.334 (95% CI 0.117, 0.551), p = 0.003], female sex [β = 7.447 (95% CI 2.312, 12.581), p = 0.005] and MAP [β = 0.425 (95% CI 0.187, 0.663), p = 0.001]. CONCLUSION APS patients exhibit elevated AIx@75 vs HC and similar to DM patients, indicating enhanced arterial stiffening in APS. Given its prognostic value, ArS evaluation may help to improve cardiovascular risk stratification in APS.
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Affiliation(s)
- Gerasimos Evangelatos
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - George Konstantonis
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Petros P Sfikakis
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
- Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Siafarikas C, Kapelios CJ, Papatheodoridi M, Vlachogiannakos J, Tentolouris N, Papatheodoridis G. Sodium-glucose linked transporter 2 inhibitors in liver cirrhosis: Beyond their antidiabetic use. Liver Int 2024; 44:884-893. [PMID: 38293770 DOI: 10.1111/liv.15851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 01/02/2024] [Accepted: 01/15/2024] [Indexed: 02/01/2024]
Abstract
Type 2 diabetes mellitus (T2DM) and liver cirrhosis are clinical entities that frequently coexist, but glucose-lowering medication options are limited in cirrhotic patients. Sodium-glucose linked transporter 2 (SGLT2) inhibitors are a class of glucose-lowering medication that act independently of insulin, by causing glycosuria in the proximal convoluted tubule. In this review, we aimed to briefly present the main data and to provide insight into the pathophysiology and potential usefulness of SGLT2 inhibitors in cirrhotic patients with or without T2DM. SGLT2 inhibitors have been proven useful as antidiabetic treatment in patients with metabolic liver disease, with most robust data from patients with metabolic dysfunction-associated steatotic liver disease (MASLD), where they also showed improvement in liver function parameters. Moreover, it has been suggested that SGLT2 inhibitors may have effects beyond their antidiabetic action. Accordingly, they have exhibited cardioprotective effects, expanding their indication in patients with heart failure without T2DM. Since decompensated liver cirrhosis and congestive heart failure share common pathophysiological features, namely renin-angiotensin-aldosterone axis and sympathetic nervous system activation as well as vasopressin secretion, SGLT2 inhibitors could also be beneficial in patients with decompensated cirrhosis, even in the absence of T2DM.
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Affiliation(s)
- Christos Siafarikas
- 1st Propaedeutic Department of Internal Medicine, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Chris J Kapelios
- Heart Failure and Heart Transplantation Unit, Onassis Cardiac Surgery Center, Athens, Greece
| | - Margarita Papatheodoridi
- Department of Gastroenterology, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - John Vlachogiannakos
- Department of Gastroenterology, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - Nikolaos Tentolouris
- 1st Propaedeutic Department of Internal Medicine, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
| | - George Papatheodoridis
- Department of Gastroenterology, Medical School of National and Kapodistrian University of Athens, General Hospital of Athens "Laiko", Athens, Greece
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Anastasiou G, Liberopoulos E, Tentolouris N, Papanas N. Diabetic Sensorimotor Polyneuropathy: An Overview on Epidemiology, Risk Factors, Classification, Diagnosis, and Treatment. INT J LOW EXTR WOUND 2024:15347346241240513. [PMID: 38533581 DOI: 10.1177/15347346241240513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Diabetic distal symmetric sensorimotor polyneuropathy (DSPN) is a common complication of diabetes with devastating consequences. Hyperglycaemia is the major aetiological factor, while emerging data demonstrate that cardiometabolic risk factors also contribute to its development. Diagnosis of DSPN involves interview of medical and neurological history, foot inspection, and sensory and motor function examination with specific tests such as temperature and pinprick perception for small nerve fibers, and vibration and light touch assessments for large nerve fibers. Management includes optimised glycaemic control, treatment of cardiovascular risk factors, and symptomatic treatment aiming at improving life quality. This article provides an overview on epidemiology, risk factors, classification, diagnosis and current treatment of DSPN.
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Affiliation(s)
- Georgia Anastasiou
- Department of Internal Medicine, Faculty of Medicine, University of Ioannina, Ioannina, Greece
| | - Evangelos Liberopoulos
- First Propedeutic Department of Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- First Propedeutic Department of Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Papanas
- Diabetes Centre-Diabetic Foot Clinic, Second Department of Internal Medicine, Democritus University of Thrace, Alexandroupolis, Greece
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Tentolouris N, Achilla C, Anastasiou IA, Eleftheriadou I, Tentolouris A, Basoulis D, Kosta O, Lambropoulos A, Yavropoulou MP, Chatzikyriakidou A, Jude EB. The Association of Vitamin D Receptor Polymorphisms with COVID-19 Severity. Nutrients 2024; 16:727. [PMID: 38474855 DOI: 10.3390/nu16050727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND Association studies of vitamin D receptor (VDR) polymorphisms with COVID-19 severity have produced inconsistent results in different populations. Herein we examined VDR gene polymorphisms in a Caucasian Greek cohort of COVID-19 patients. METHODS This was a case-control study in a tertiary university hospital in Greece including 137 COVID-19 patients with varying disease severities and 72 healthy individuals. In total 209 individuals were genotyped for the FokI (rs10735810), ApaI (rs7975232), TaqI (rs731236) and BsmI (rs1544410) single-nucleotide polymorphisms (SNP) of the VDR gene by polymerase chain reaction and restriction fragment length polymorphism analysis (PCR-RFLPs). Statistical analyses were performed to determine the association between genotype and disease severity, adjusting for various confounding factors. RESULTS Genotype distribution of the studied VDR SNPs in the control group was in Hardy-Weinberg equilibrium. The TaqI variant was differentially distributed between controls and COVID-19 patients according to the additive model (p = 0.009), and the CC genotype was significantly associated with an increased risk for severe COVID-19 according to the recessive model [OR: 2.52, 95%CI:1.2-5.29, p = 0.01]. Multivariate analysis demonstrated a robust association of COVID-19 severity and TaqI polymorphism in the recessive model even after adjusting for multiple confounders, including age, sex and CRP levels [Adj.OR:3.23, 95%CI:1.17-8.86, p = 0.023]. The distribution of FokI, ApaI and BsmI genotypes was similar between COVID-19 patients and controls. CONCLUSIONS The CC genotype of TaqI polymorphism is significantly associated with an increased risk for severe COVID-19 independently of age, sex or degree of inflammation.
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Affiliation(s)
- Nikolaos Tentolouris
- 1st Department of Propaedeutic and Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Charoula Achilla
- Laboratory of Medical Biology-Genetics, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Ioanna A Anastasiou
- 1st Department of Propaedeutic and Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Ioanna Eleftheriadou
- 1st Department of Propaedeutic and Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Anastasios Tentolouris
- 1st Department of Propaedeutic and Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Dimitrios Basoulis
- 1st Department of Propaedeutic and Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Ourania Kosta
- 1st Department of Propaedeutic and Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Alexandros Lambropoulos
- Laboratory of Medical Biology-Genetics, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Maria P Yavropoulou
- 1st Department of Propaedeutic and Internal Medicine, Laiko University Hospital, Medical School, National and Kapodistrian University of Athens, 115 27 Athens, Greece
| | - Anthoula Chatzikyriakidou
- Laboratory of Medical Biology-Genetics, Faculty of Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece
| | - Edward B Jude
- Department of Diabetes and Endocrinology, Tameside and Glossop Integrated Care NHS Foundation Trust, Ashton-under-Lyne OL6 9RW, UK
- Division of Diabetes, Endocrinology and Gastroenterology, The University of Manchester, Manchester M13 9PL, UK
- Faculty of Science and Engineering, Manchester Metropolitan University, Manchester M15 6BH, UK
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Kokkinos A, Tsilingiris D, Simati S, Stefanakis K, Angelidi AM, Tentolouris N, Anastasiou IA, Connelly MA, Alexandrou A, Mantzoros CS. Bariatric surgery, through beneficial effects on underlying mechanisms, improves cardiorenal and liver metabolic risk over an average of ten years of observation: A longitudinal and a case-control study. Metabolism 2024; 152:155773. [PMID: 38181882 PMCID: PMC10872266 DOI: 10.1016/j.metabol.2023.155773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 12/13/2023] [Accepted: 12/27/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Bariatric surgery has long-term beneficial effects on body weight and metabolic status, but there is an apparent lack of comprehensive cardiometabolic, renal, liver, and metabolomic/lipidomic panels, whereas the underlying mechanisms driving the observed postoperative ameliorations are still poorly investigated. We aimed to study the long-term effects of bariatric surgery on metabolic profile, cardiorenal and liver outcomes in association with underlying postoperative gut hormone adaptations. METHODS 28 individuals who underwent bariatric surgery [17 sleeve gastrectomy (SG), 11 Roux-en-Y gastric bypass (RYGB)] were followed up 3, 6 and 12 and at 10 years following surgery. Participants at 10 years were cross-sectionally compared with an age-, sex- and adiposity-matched group of non-operated individuals (n = 9) and an age-matched pilot group of normal-weight individuals (n = 4). RESULTS There were durable effects of surgery on body weight and composition, with an increase of lean mass percentage persisting despite some weight regain 10 years postoperatively. The improvements in metabolic and lipoprotein profiles, cardiometabolic risk markers, echocardiographic and cardiorenal outcomes persisted over the ten-year observation period. The robust improvements in insulin resistance, adipokines, activin/follistatin components and postprandial gastrointestinal peptide levels persisted 10 years postoperatively. These effects were largely independent of surgery type, except for a lasting reduction of ghrelin in the SG subgroup, and more pronounced increases in proglucagon products, mainly glicentin and oxyntomodulin, and in the cardiovascular risk marker Trimethylamine-N-oxide (TMAO) within the RYGB subgroup. Despite similar demographic and clinical features, participants 10 years after surgery showed a more favorable metabolic profile compared with the control group, in conjunction with a dramatic increase of postprandial proglucagon product secretion. CONCLUSIONS We demonstrate that cardiorenal and metabolic benefits of bariatric surgery remain robust and largely unchanged ten years postoperatively and are associated with durable effects on gastrointestinal- muscle- and adipose tissue-secreted hormones. TRIAL REGISTRATION ClinicalTrials.gov: NCT04170010.
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Affiliation(s)
- Alexander Kokkinos
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Dimitrios Tsilingiris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Stamatia Simati
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Konstantinos Stefanakis
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece; Department of Internal Medicine, Boston VA Healthcare System, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Angeliki M Angelidi
- Department of Internal Medicine, Boston VA Healthcare System, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna A Anastasiou
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | | | - Andreas Alexandrou
- First Department of Surgery, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Christos S Mantzoros
- Department of Internal Medicine, Boston VA Healthcare System, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
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Rizos EC, Kanellopoulou A, Filis P, Markozannes G, Chaliasos K, Ntzani EE, Tzamouranou A, Tentolouris N, Tsilidis KK. Difference on Glucose Profile From Continuous Glucose Monitoring in People With Prediabetes vs. Normoglycemic Individuals: A Matched-Pair Analysis. J Diabetes Sci Technol 2024; 18:414-422. [PMID: 36715208 PMCID: PMC10973849 DOI: 10.1177/19322968221123530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Comprehensive characteristics of the glycemic profile for prediabetes derived by continuous glucose monitoring (CGM) are unknown. We evaluate the difference of CGM profiles between individuals with prediabetes and normoglycemic individuals, including the response to oral glucose tolerance test (OGTT). METHODS Individuals with prediabetes matched for age, sex, and BMI with normoglycemic individuals were instructed to use professional CGM for 1 week. OGTT was performed on the second day. The primary outcomes were percentages of glucose readings time below range (TBR): <54 or <70 mg/dL, time in range (TIR): 70 to 180 mg/dL, and time above range (TAR): >180 or >250 mg/dL. Area under the curve (AUC) was calculated following the OGTT. Glucose variability was depicted by coefficient of variation (CV), SD, and mean amplitude of glucose excursion (MAGE). Wilcoxon sign-ranked test, McNemar mid P-test and linear regression models were employed. RESULTS In all, 36 participants (median age 51 years; median body mass index [BMI] = 26.4 kg/m2) formed 18 matched pairs. Statistically significant differences were observed for 24-hour time in range (TIR; median 98.5% vs. 99.9%, P = .013), time above range (TAR) >180 mg/dl (0.4% vs. 0%, P = .0062), and 24-hour mean interstitial glucose (113.8 vs. 108.8 mg/dL, P = .0038) between people with prediabetes compared to normoglycemic participants. Statistically significant differences favoring the normoglycemic group were found for glycemic variability indexes (median CV 15.2% vs. 11.9%, P = .0156; median MAGE 44.3 vs. 33.3 mg/dL, P = 0.0043). Following OGTT, the AUC was significantly lower in normoglycemic compared to the prediabetes group (median 18615.3 vs. 16370.0, P = .0347 for total and 4666.5 vs. 2792.7, P = .0429 for incremental 2-hour post OGTT). CONCLUSION Individuals with prediabetes have different glucose profiles compared to normoglycemic individuals. CGM might be helpful in individuals with borderline glucose values for a more accurate reclassification.
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Affiliation(s)
- Evangelos C. Rizos
- Department of Internal Medicine, University Hospital of Ioannina, Ioannina, Greece
- School of Medicine, European University Cyprus, Nicosia, Cyprus
| | - Afroditi Kanellopoulou
- Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, Ioannina, Greece
| | - Panagiotis Filis
- Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, Ioannina, Greece
| | - Georgios Markozannes
- Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, Ioannina, Greece
| | - Konstantinos Chaliasos
- Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, Ioannina, Greece
| | - Evangelia E. Ntzani
- Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, Ioannina, Greece
- Center for Evidence-Based Medicine, Department of Health Services, Policy and Practice, School of Public Health, Brown University, Providence, RI, USA
| | - Athina Tzamouranou
- Pharmacy Department, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic and Internal Medicine, Diabetes Centre, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Konstantinos K. Tsilidis
- Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, Ioannina, Greece
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
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Lambadiari V, Kountouri A, Psahoulia F, Koliou GA, Lazaris A, Michalopoulos E, Mallis P, Korakas E, Eleftheriadou I, Balampanis K, Sarris M, Tsirigotis P, Geroulakos G, Stavropoulos-Giokas C, Dimitriadis GD, Tentolouris N. Treatment with Umbilical Cord Blood Platelet Lysate Gel Improves Healing of Diabetic Foot Ulcer. J Clin Med 2024; 13:1310. [PMID: 38592188 PMCID: PMC10932121 DOI: 10.3390/jcm13051310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 02/14/2024] [Accepted: 02/24/2024] [Indexed: 04/10/2024] Open
Abstract
BACKGROUND This study was conducted to examine the hypothesis that umbilical cord blood platelet lysate (UCB-PL) gel has a significant impact on the healing rate of DFU. Μethods: In this open-labeled, randomized controlled trial, 110 patients were randomized to treatment with UCB-PL gel (UCB-PL group, n = 52) every three days for one month or dressing with normal saline (control group, n = 58). All participants were followed up for 20 weeks post treatment. Ulcer surface area was assessed with the imitoMeasure application at two, four, and six weeks, and two, four and six months. This study's main outcome was the reduction in ulcer size over the six-month study period. RESULTS The mean ulcer area at baseline was 4.1 cm2 in the UCB-PL group and 1.7 cm2 in the control group. At six months post treatment, patients on the UCB-PL treatment displayed a significant reduction in ulcer size compared to baseline 0.12 (0-8.16) in contrast to a more modest change in the control group 1.05 (0-24.7). The ulcer area was decreased at the end of the study in 40 patients (97.6%) in the UCB-PL group and 27 (73%) in the control group (Fisher's p = 0.002). CONCLUSIONS The application of UCB-PL gel in DFU resulted in a significant reduction in ulcer size compared to regular saline dressing.
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Affiliation(s)
- Vaia Lambadiari
- Second Department of Internal Medicine, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.K.); (G.-A.K.); (E.K.); (K.B.); (P.T.)
| | - Aikaterini Kountouri
- Second Department of Internal Medicine, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.K.); (G.-A.K.); (E.K.); (K.B.); (P.T.)
| | - Fοteini Psahoulia
- Department of Vascular Surgery, Attikon University Hospital, 12462 Athens, Greece; (F.P.); (A.L.); (G.G.)
| | - Georgia-Angeliki Koliou
- Second Department of Internal Medicine, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.K.); (G.-A.K.); (E.K.); (K.B.); (P.T.)
| | - Andreas Lazaris
- Department of Vascular Surgery, Attikon University Hospital, 12462 Athens, Greece; (F.P.); (A.L.); (G.G.)
| | - Efstathios Michalopoulos
- Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece; (E.M.); (P.M.); (C.S.-G.)
| | - Panagiotis Mallis
- Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece; (E.M.); (P.M.); (C.S.-G.)
| | - Emmanouil Korakas
- Second Department of Internal Medicine, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.K.); (G.-A.K.); (E.K.); (K.B.); (P.T.)
| | - Ioanna Eleftheriadou
- First Department of Propaedeutic Internal Medicine, Diabetes Centre, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (I.E.); (N.T.)
| | - Konstantinos Balampanis
- Second Department of Internal Medicine, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.K.); (G.-A.K.); (E.K.); (K.B.); (P.T.)
| | - Markos Sarris
- Health and Social Care Management, University of West Attica, 12241 Athens, Greece;
| | - Panagiotis Tsirigotis
- Second Department of Internal Medicine, Attikon University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece; (A.K.); (G.-A.K.); (E.K.); (K.B.); (P.T.)
| | - George Geroulakos
- Department of Vascular Surgery, Attikon University Hospital, 12462 Athens, Greece; (F.P.); (A.L.); (G.G.)
| | - Catherine Stavropoulos-Giokas
- Hellenic Cord Blood Bank, Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece; (E.M.); (P.M.); (C.S.-G.)
| | - George D. Dimitriadis
- Sector of Medicine, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece;
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Diabetes Centre, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece; (I.E.); (N.T.)
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Evangelatos G, Tentolouris N, Sfikakis PP, Tektonidou MG. 7-year follow-up atherosclerotic plaque progression in patients with antiphospholipid syndrome versus diabetes mellitus and healthy controls. Rheumatology (Oxford) 2024:keae097. [PMID: 38321577 DOI: 10.1093/rheumatology/keae097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 01/25/2024] [Accepted: 02/01/2024] [Indexed: 02/08/2024] Open
Abstract
OBJECTIVES Patients with antiphospholipid syndrome (APS) carry a substantial burden of cardiovascular disease and subclinical atherosclerosis. We aimed to assess a 7-year follow-up atherosclerotic plaque progression in APS patients vs diabetes mellitus (DM) and healthy controls (HC). METHODS Eighty-six patients with thrombotic APS, 86 with DM and 86 HC (all age- and sex-matched) who underwent a baseline ultrasound of carotid and femoral arteries were invited for a 7-year follow-up ultrasonography examination. We compared atherosclerosis progression among the three groups and examined determinants of plaque progression in APS patients. RESULTS Sixty-four APS patients (75% females, 43.8% with primary APS), 58 patients with DM and 66 HC were included in the 7-year ultrasound re-evaluation. New plaque was detected in 51.6%, 36.2% and 25.8% of APS, DM and HC subjects, respectively. After adjusting for traditional cardiovascular risk factors (CVRFs) and baseline plaque presence, APS patients showed a 3-fold (OR = 3.07, p= 0.007) higher risk for atherosclerosis progression vs HC and 2-fold (OR = 2.25, p= 0.047) higher risk than DM patients. In multivariate analysis in the APS group, plaque progression was independently associated with systemic lupus erythematosus (SLE) co-existence (OR = 7.78, p= 0.005) and number of CVRFs (OR = 3.02, p= 0.002), after adjusting for disease-related parameters and CVRF-related medications. Sustained low-density lipoprotein target attainment reduced plaque progression risk (OR = 0.34, p= 0.021). CONCLUSION Half of APS patients develop new atherosclerotic plaques over a 7-year follow-up, having a three-times higher risk vs HC. Concomitant SLE and number of traditional CVRFs are associated with plaque progression, supporting the need for thorough CVRF assessment and control.
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Affiliation(s)
- Gerasimos Evangelatos
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Greece, Athens
| | - Petros P Sfikakis
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Anastasiou IA, Sarantis P, Eleftheriadou I, Tentolouris KN, Mourouzis I, Karamouzis MV, Pantos K, Tentolouris N. Effects of Hypericin on Cultured Primary Normal Human Dermal Fibroblasts Under Increased Oxidative Stress. INT J LOW EXTR WOUND 2023:15347346231212332. [PMID: 37956650 DOI: 10.1177/15347346231212332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
INTRODUCTION Wound healing is a dynamic process that begins with inflammation, proliferation, and cell migration of a variety of fibroblast cells. As a result, identifying possible compounds that may improve fibroblast cell wound healing capacity is crucial. Hypericin is a natural quinine that has been reported to possess a wide range of pharmacological profiles, including antioxidant and anti-inflammatory, activities. Herein we examined for the first time the effect of hypericin on normal human dermal fibroblasts (NHDFs) under oxidative stress. METHODS NHDF were exposed to different concentrations of hypericin (0-20 μg/mL) for 24 h. For the oxidative stress evaluation, H2O2 was used as a stressor factor. Cell viability and proliferation levels were evaluated. Immunohistochemistry and flow cytometry were performed to assess cell apoptosis levels and with confocal microscopy we identified the mitochondrial superoxide production under oxidative stress and after the treatment with hypericin. Scratch assay was performed under oxidative stress to evaluate the efficacy of hypericin in wound closure. To gain an insight into the molecular mechanisms of hypericin bioactivity, we analyzed the relative expression levels of genes involved in oxidative response and in wound healing process. RESULTS We found that the exposure of NHDF to hypericin under oxidative stress resulted in an increase in cell viability and ATP levels. We found a decrease in apoptosis and mitochondrial superoxide levels after treatment with hypericin. Moreover, treatment with hypericin reduced wound area and promoted wound closure. The levels of selected genes showed that hypericin upregulated the levels of antioxidants genes. Moreover, treatment with hypericin in wound under oxidative stress downregulated the levels of proinflammatory cytokines, and metalloproteinases; and upregulated transcription factors and extracellular matrix genes. CONCLUSION These findings indicated that hypericin possesses significant in vitro antioxidant activity on NHDF and provide new insights into its potential beneficial role in the management of diabetic ulcers.
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Affiliation(s)
- Ioanna A Anastasiou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis Sarantis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioanna Eleftheriadou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Konstantinos N Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Iordanis Mourouzis
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Michalis V Karamouzis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Konstantinos Pantos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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10
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Kountouri A, Korakas E, Maratou E, Ikonomidis I, Balampanis K, Liatis S, Tentolouris N, Toulas P, Kousathana F, Giatzakis C, Dimitriadis GD, Lambadiari V. Familial Partial Lipodystrophy: Clinical Features, Genetics and Treatment in a Greek Referral Center. Int J Mol Sci 2023; 24:12045. [PMID: 37569420 PMCID: PMC10419242 DOI: 10.3390/ijms241512045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Familial partial lipodystrophy (FPLD) is a rare syndrome in which a patient's phenotype is not merely dependent on the specific genetic mutation, but it is also defined by a combination of other demographic, environmental and genetic factors. In this prospective observational study in a Greek referral center, we enrolled 39 patients who fulfilled the clinical criteria of FPLD. A genetic analysis was conducted, which included sequence and deletion/duplication analyses of the LMNA and PPRARG genes, along with anthropometric and metabolic parameters. The treatment responses of patients who were eligible for treatment with metreleptin were evaluated at 3 and 12 months. In most of the patients, no significant changes were detected at the exon level, and any mutations that led to changes at the protein level were not associated with the lipodystrophic phenotype. On the contrary, various changes were detected at the intron level, especially in introns 7 and 10, whose clinical significance is considered unknown. In addition, treatment with metreleptin in specific FPLD patients significantly improved glycemic and lipidemic control, an effect which was sustained at the 12-month follow-up. More large-scale studies are necessary to clarify the genetic and allelic heterogeneity of the disease, along with other parameters which could predict treatment response.
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Affiliation(s)
- Aikaterini Kountouri
- Second Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 12462 Athens, Greece; (A.K.); (F.K.)
| | - Emmanouil Korakas
- Second Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 12462 Athens, Greece; (A.K.); (F.K.)
| | - Eirini Maratou
- Laboratory of Clinical Biochemistry, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 12462 Athens, Greece;
| | - Ignatios Ikonomidis
- Laboratory of Preventive Cardiology, Second Cardiology Department, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 12462 Athens, Greece
| | - Konstantinos Balampanis
- Second Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 12462 Athens, Greece; (A.K.); (F.K.)
| | - Stavros Liatis
- First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece (N.T.)
| | - Nikolaos Tentolouris
- First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece (N.T.)
| | | | - Foteini Kousathana
- Second Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 12462 Athens, Greece; (A.K.); (F.K.)
| | - Christophoros Giatzakis
- DNAbiolab, Cretan Center for Research and Development of Applications on Genetics and Molecular Biology, 71306 Heraklion, Greece
| | - George D. Dimitriadis
- Sector of Medicine, Medical School, National and Kapodistrian University of Athens, 15772 Athens, Greece;
| | - Vaia Lambadiari
- Second Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, 12462 Athens, Greece; (A.K.); (F.K.)
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11
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Akinosoglou K, Schinas G, Bletsa E, Bristianou M, Lanaras L, Michailides C, Katsikas T, Barkas F, Liberopoulos E, Kotsis V, Tentolouris K, Grigoropoulou P, Frangou A, Basoulis D, Alexiou Z, Daganou M, Bostantzoglou C, Dimakopoulou V, Koutsoukou A, Pefanis A, Baraboutis IG, Agelonidou E, Tentolouris N. COVID-19 Outcomes and Diabetes Mellitus: A Comprehensive Multicenter Prospective Cohort Study. Microorganisms 2023; 11:1416. [PMID: 37374918 DOI: 10.3390/microorganisms11061416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/17/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
The link between type 2 diabetes (T2D) and the severe outcomes of COVID-19 has raised concerns about the optimal management of patients with T2D. This study aimed to investigate the clinical characteristics and outcomes of T2D patients hospitalized with COVID-19 and explore the potential associations between chronic T2D treatments and adverse outcomes. This was a multicenter prospective cohort study of T2D patients hospitalized with COVID-19 in Greece during the third wave of the pandemic (February-June 2021). Among the 354 T2D patients included in this study, 63 (18.6%) died during hospitalization, and 16.4% required ICU admission. The use of DPP4 inhibitors for the chronic management of T2D was associated with an increased risk of in-hospital death (adjusted odds ratio (adj. OR) 2.639, 95% confidence interval (CI) 1.148-6.068, p = 0.022), ICU admission (adj. OR = 2.524, 95% CI: 1.217-5.232, p = 0.013), and progression to ARDS (adj. OR = 2.507, 95% CI: 1.278-4.916, p = 0.007). Furthermore, the use of DPP4 inhibitors was significantly associated with an increased risk of thromboembolic events (adjusted OR of 2.249, 95% CI: 1.073-4.713, p = 0.032) during hospitalization. These findings highlight the importance of considering the potential impact of chronic T2D treatment regiments on COVID-19 and the need for further studies to elucidate the underlying mechanisms.
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Affiliation(s)
- Karolina Akinosoglou
- Department of Internal Medicine, Faculty of Medicine, University of Patras, University Hospital of Patras, 265 04 Patras, Greece
| | - Georgios Schinas
- Department of Internal Medicine, Faculty of Medicine, University of Patras, University Hospital of Patras, 265 04 Patras, Greece
| | - Evanthia Bletsa
- Department of Internal Medicine, General Hospital of Lamia, 351 00 Lamia, Greece
| | - Magdaline Bristianou
- Department of Internal Medicine, General Hospital of Lamia, 351 00 Lamia, Greece
| | - Leonidas Lanaras
- Department of Internal Medicine, General Hospital of Lamia, 351 00 Lamia, Greece
| | - Charalambos Michailides
- 1st Department of Internal Medicine, General Hospital of Athens "G. Gennimatas", 115 27 Athens, Greece
| | - Theodoros Katsikas
- 1st Department of Internal Medicine, General Hospital of Athens "G. Gennimatas", 115 27 Athens, Greece
| | - Fotios Barkas
- 2nd Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Ioannina, 451 10 Ioannina, Greece
| | - Evangelos Liberopoulos
- 2nd Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Ioannina, 451 10 Ioannina, Greece
| | - Vasileios Kotsis
- 3rd Department of Internal Medicine, Medical School, Aristotle University of Thessaloniki, General Hospital of Thessaloniki "Papageorgiou", 564 29 Thessaloniki, Greece
| | | | - Pinelopi Grigoropoulou
- Department of Internal Medicine, General Hospital of Athens "Elpis", 115 22 Athens, Greece
| | - Archontoula Frangou
- Department of Internal Medicine, General Hospital of Athens "Elpis", 115 22 Athens, Greece
| | - Dimitrios Basoulis
- 1st Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece
| | - Zoi Alexiou
- General Hospital of Eleusis "Thriasio", 196 00 Athens, Greece
| | - Mary Daganou
- Intensive Care Unit, General Hospital for Thoracic Diseases "Sotiria", 115 27 Athens, Greece
| | | | - Vasiliki Dimakopoulou
- Department of Internal Medicine, Faculty of Medicine, University of Patras, University Hospital of Patras, 265 04 Patras, Greece
| | - Antonia Koutsoukou
- 1st University Pulmonology Clinic and ICU, Medical School, National and Kapodistrian University of Athens, General Hospital for Thoracic Diseases "Sotiria", 115 27 Athens, Greece
| | - Angelos Pefanis
- Department of Medicine and 1st Department of Infectious Diseases, General Hospital for Thoracic Diseases "Sotiria", 115 27 Athens, Greece
| | - Ioannis G Baraboutis
- Department of Internal Medicine, "Pammakaristos" Hospital, 111 44 Athens, Greece
| | - Eleni Agelonidou
- Department of Internal Medicine, "Pammakaristos" Hospital, 111 44 Athens, Greece
| | - Nikolaos Tentolouris
- 1st Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece
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12
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Tentolouris A, Eleftheriadou I, Tentolouris N, Papanas N. Highlights from the 82 nd ADA Scientific Sessions and the 58 th EASD Meeting on Diabetic Neuropathy. INT J LOW EXTR WOUND 2023:15347346231177569. [PMID: 37218173 DOI: 10.1177/15347346231177569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Diabetic neuropathy is one of the commonest diabetic complications. It affects 30-50% of people with diabetes mellitus (DM) and may cause severe pain and foot ulcers. Distal symmetric polyneuropathy and diabetic autonomic neuropathy are the main manifestations of diabetic neuropathy. The American Diabetes Association's (ADA) 82nd Scientific Sessions took place in June 2022 in New Orleans, Louisiana, and the 58th European Association for the Study of Diabetes (EASD) Annual Meeting was held in September 2022 in Stockholm, Sweden. Herein, we describe interesting studies in the field of diabetic neuropathy presented in these two meetings.
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Affiliation(s)
- Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- First Department of Propaedeutic Internal Medicine and Diabetes Center, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Papanas
- Diabetes Centre-Diabetic Foot Clinic, Democritus University of Thrace, Alexandroupolis, Greece
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13
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Rebelos E, Tentolouris N, Jude E. The Role of Vitamin D in Health and Disease: A Narrative Review on the Mechanisms Linking Vitamin D with Disease and the Effects of Supplementation. Drugs 2023; 83:665-685. [PMID: 37148471 PMCID: PMC10163584 DOI: 10.1007/s40265-023-01875-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/11/2023] [Indexed: 05/08/2023]
Abstract
Vitamin D insufficiency or deficiency (VDD) is a very prevalent condition in the general population. Vitamin D is necessary for optimal bone mineralization, but apart from the bone effects, preclinical and observational studies have suggested that vitamin D may have pleiotropic actions, whereas VDD has been linked to several diseases and higher all-cause mortality. Thus, supplementing vitamin D has been considered a safe and inexpensive approach to generate better health outcomes-and especially so in frail populations. Whereas it is generally accepted that prescribing of vitamin D in VDD subjects has demonstrable health benefits, most randomized clinical trials, although with design constraints, assessing the effects of vitamin D supplementation on a variety of diseases have failed to demonstrate any positive effects of vitamin D supplementation. In this narrative review, we first describe mechanisms through which vitamin D may exert an important role in the pathophysiology of the discussed disorder, and then provide studies that have addressed the impact of VDD and of vitamin D supplementation on each disorder, focusing especially on randomized clinical trials and meta-analyses. Despite there already being vast literature on the pleiotropic actions of vitamin D, future research approaches that consider and circumvent the inherent difficulties in studying the effects of vitamin D supplementation on health outcomes are needed to assess the potential beneficial effects of vitamin D. The evaluation of the whole vitamin D endocrine system, rather than only of 25-hydroxyvitamin D levels before and after treatment, use of adequate and physiologic vitamin D dosing, grouping based on the achieved vitamin D levels rather than the amount of vitamin D supplementation subjects may receive, and sufficiently long follow-up are some of the aspects that need to be carefully considered in future studies.
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Affiliation(s)
- Eleni Rebelos
- Turku PET Centre, University of Turku, Turku, Finland
- Institute of Clinical Physiology, National Research Council (CNR), Pisa, Italy
| | - Nikolaos Tentolouris
- 1st Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Edward Jude
- Department of Medicine, Tameside and Glossop Integrated Care NHS Foundation Trust, Ashton-under-Lyne , England.
- University of Manchester, Manchester, UK.
- Manchester Metropolitan University, Manchester, UK.
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14
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Binou P, Stergiou A, Kosta O, Tentolouris N, Karathanos VT. Positive contribution of hydroxytyrosol-enriched wheat bread to HbA 1c levels, lipid profile, markers of inflammation and body weight in subjects with overweight/obesity and type 2 diabetes mellitus. Eur J Nutr 2023:10.1007/s00394-023-03133-9. [PMID: 37017765 DOI: 10.1007/s00394-023-03133-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 03/09/2023] [Indexed: 04/06/2023]
Abstract
PURPOSE The aim of the present study was to assess the impact of the daily consumption of bread enriched with hydroxytyrosol on HbA1c and blood lipid levels, inflammatory markers and weight loss. METHODS Sixty adults with overweight/obesity and type 2 diabetes mellitus (29 male, 31 female) participated in a 12-week dietary intervention based on the Mediterranean diet and consumed daily 60 g of conventional whole wheat bread (WWB) or whole wheat bread enriched with hydroxytyrosol (HTB). Anthropometric characteristics were measured and venous blood samples were collected at baseline and at the end of the intervention. RESULTS Both groups experienced significant weight loss, body fat and waist circumference decrease (p < 0.001). Nonetheless, a greater body fat mass decrease was observed in the HTB group compared to the WWB group (14.4 ± 1.6 vs 10.2 ± 1.1%, p = 0.038). Significant reductions were also reported in fasting glucose, HbA1c and blood pressure in both groups (p < 0.05). Regarding glucose and HbA1c, greater decreases were observed in the intervention group (101.4 ± 19.9 vs. 123.2 ± 43.4 mg/dL, p = 0.015 and 6.0 ± 0.6 vs. 6.4 ± 0.9%, p = 0.093, respectively). At HTB group, significant reductions in blood lipid, insulin, TNF-αand adiponectin levels (p < 0.05) and a marginally significant reduction in leptin levels (p = 0.081) were also reported. CONCLUSION Enrichment of bread with HT resulted in significant body fat mass reduction and positive effects on fasting glucose, insulin and HbA1c levels. It also contributed to reductions in inflammatory markers and blood lipid levels. Incorporation of HT in staple foods, like bread, may improve their nutritional profile and, in terms of a balanced diet, may contribute to the management of chronic diseases. TRIAL REGISTRATION The study was prospectively registered in clinicaltrials.gov (24th May 2021). CLINICALTRIALS gov Identifier: NCT04899791.
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Affiliation(s)
- Panagiota Binou
- Laboratory of Chemistry-Biochemistry-Physical Chemistry of Foods, Department of Nutrition and Dietetics, Harokopio University of Athens, 70 El. Venizelou Ave, 17671, Athens, Greece
| | - Athena Stergiou
- Laboratory of Chemistry-Biochemistry-Physical Chemistry of Foods, Department of Nutrition and Dietetics, Harokopio University of Athens, 70 El. Venizelou Ave, 17671, Athens, Greece
| | - Ourania Kosta
- 1st Department of Propaedeutic and Internal Medicine, Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 75 Mikras Asias Str, 11527, Athens, Greece
| | - Nikolaos Tentolouris
- 1st Department of Propaedeutic and Internal Medicine, Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 75 Mikras Asias Str, 11527, Athens, Greece
| | - Vaios T Karathanos
- Laboratory of Chemistry-Biochemistry-Physical Chemistry of Foods, Department of Nutrition and Dietetics, Harokopio University of Athens, 70 El. Venizelou Ave, 17671, Athens, Greece.
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15
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Tsitsou S, Dimosthenopoulos C, Eleftheriadou I, Andrianesis V, Tentolouris N. Evaluation of Vitamin D Levels in Patients With Diabetic Foot Ulcers. INT J LOW EXTR WOUND 2023; 22:27-35. [PMID: 33390083 DOI: 10.1177/1534734620984584] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Low vitamin D levels have been associated with several diseases as its receptors are expressed in almost all tissues of the human body. Literature data have shown delayed diabetic foot ulcer (DFU) healing in patients with low vitamin D; however, data on the association between vitamin D levels and DFU in Mediterranean countries are scarce. In this cross-sectional study we examined for differences in serum vitamin D levels between patients with DFU, people with diabetes mellitus (DM) without DFU and healthy individuals in a Southern European country. A total of 96 subjects (33 patients with DFU, 35 patients without DFU and 28 healthy controls) were recruited. Medical and dietary history was obtained and total serum 25-hydroxyvitamin D [25(OH)D] levels were determined. Serum vitamin D levels differed significantly among the three groups of participants; sub-analysis showed that healthy individuals had higher vitamin D levels when compared with patients with and without DFU, while vitamin D levels did not differ between patients with and without DFU (17.9 ± 6.7 vs. 19.8 ± 8.7 ng/mL, P = 0.329, respectively). More than half of patients with DM with or without DFU had vitamin D levels <20 ng/ml. A positive correlation was found between vitamin D and sun exposure duration in participants without DFU. In conclusion, although serum vitamin D levels did not differ between people with and without DFU, the prevalence of deficiency and insufficiency was high in both groups in a Mediterranean country. This finding highlights the need for screening and supplementation with vitamin D in individuals with DM.
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Affiliation(s)
| | | | - Ioanna Eleftheriadou
- Laiko General Hospital, Athens, Greece.,National and Kapodistrian University, Athens, Greece
| | - Vasileios Andrianesis
- Laiko General Hospital, Athens, Greece.,National and Kapodistrian University, Athens, Greece
| | - Nikolaos Tentolouris
- Laiko General Hospital, Athens, Greece.,National and Kapodistrian University, Athens, Greece
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16
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Tentolouris A, Tentolouris N, Eleftheriadou I, Jude EB. The Performance and Interrater Agreement of Vibration Perception for the Diagnosis of Loss of Protective Sensation in People With Diabetes Mellitus. Int J Low Extrem Wounds 2023; 22:72-76. [PMID: 33624526 DOI: 10.1177/1534734621994058] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
This study examined the performance of VibraTip for the diagnosis of loss of protective sensation (LOPS) and the interrater agreement of different neurological modalities performed by 3 health care professionals, a consultant diabetologist, a diabetes specialist nurse, and a podiatrist. Diagnosis of LOPS was based on 10-g Semmes Weinstein monofilament testing performed by a consultant diabetologist (reference method), while examination with a 128-Hz tuning form was also performed. The performance of VibraTip for the diagnosis of LOPS was examined using the receiver operating characteristic curves analysis. Interrater agreement was determined by weighted kappa (κ) statistics. Diagnosis of LOPS (%) was 37.5%. Receiver operating characteristic curve analysis showed that VibraTip examination versus 10-g monofilament, both performed by a consultant, could diagnose LOPS (P < .001). Sensitivity, specificity, positive predictive value, and negative predictive value of VibraTip versus 10-g monofilament, both performed by a consultant (value, 95% confidence interval), was 0.705 (0.591-0.803), 0.836 (0.758-0.897), 0.733 (0.642-0.808), and 0.816 (0.757-0.863), respectively. The interrater agreement among the health care professionals for 10-g monofilament, VibraTip, and 128-Hz tuning fork in neurological assessment was good with κ > 0.61. VibraTip can be used as a screening tool for the detection of LOPS. There was good overall agreement in the results of neurological examination using 10-g monofilament, 128-Hz tuning fork, and VibraTip among health care professionals.
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Affiliation(s)
| | - Nikolaos Tentolouris
- National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Edward B Jude
- Tameside Hospital, NHS Foundation and Trust, Ashton under Lyne, England, UK.,The University of Manchester, Manchester, UK
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Liarakos AL, Tentolouris A, Kokkinos A, Eleftheriadou I, Tentolouris N. Impact of Glucagon-like peptide 1 receptor agonists on peripheral arterial disease in people with diabetes mellitus: A narrative review. J Diabetes Complications 2023; 37:108390. [PMID: 36610322 DOI: 10.1016/j.jdiacomp.2022.108390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 12/12/2022] [Accepted: 12/25/2022] [Indexed: 12/31/2022]
Abstract
Peripheral arterial disease (PAD) is a common macrovascular complication of diabetes mellitus (DM). Glucagon-like peptide 1 (GLP-1) receptor agonists (GLP-1RAs) are among the latest class of antidiabetic medications that stimulate insulin synthesis and secretion and have been used for the management of type 2 DM. Apart from the effect on glycaemic control, GLP-1RAs also have a robust impact on weight reduction and have shown favorable effects on cardiovascular morbidity and mortality in cardiovascular outcome trials (CVOTs). The aim of this review was to examine the impact of GLP1-RAs on PAD among people with DM based on CVOTs, randomized controlled trials, observational studies as well as systematic reviews and meta-analyses. Data from retrospective studies and meta-analyses have shown superiority of these agents in comparison with other antidiabetic medications such as sodium-glucose cotransporter type 2 inhibitors and dipeptidyl peptidase-4 inhibitors in terms of PAD-related events. Nevertheless, data from CVOTs regarding the impact of GLP-1RAs on PAD are scarce and hence, safe conclusions regarding their effects cannot be drawn. Further prospective studies are needed to examine the impact of GLP-1RAs on PAD-related incidents including major adverse limb events, lower limb amputations and revascularization procedures.
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Affiliation(s)
| | - Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Alexandros Kokkinos
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
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18
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Bolla E, Tentolouris N, Sfikakis PP, Tektonidou MG. Metabolic syndrome in antiphospholipid syndrome versus rheumatoid arthritis and diabetes mellitus: Association with arterial thrombosis, cardiovascular risk biomarkers, physical activity, and coronary atherosclerotic plaques. Front Immunol 2023; 13:1077166. [PMID: 36700208 PMCID: PMC9868803 DOI: 10.3389/fimmu.2022.1077166] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 12/19/2022] [Indexed: 01/11/2023] Open
Abstract
Background Cardiovascular disease (CVD) is the foremost cause of morbidity and deaths in antiphospholipid syndrome (APS), driven by thrombo-inflammation and atherothrombosis mechanisms. Metabolic syndrome (MetS) is a proinflammatory and prothrombotic state characterized by increased CVD risk. We aimed to evaluate the prevalence of MetS in APS patients compared to rheumatoid arthritis (RA) and diabetes mellitus (DM) and its associations with clinical and laboratory patient characteristics and vascular ultrasound (US) markers of subclinical atherosclerosis. Methods We included 414 patients in our study: 138 patients with APS (median age: 44.9 years, females 70%) and matched 1:1 for age and sex RA and DM subjects. Three sets of criteria were used for MetS diagnosis: Joint Interim Statement (JIS), International Diabetes Federation (IDF) and modified National Cholesterol Education Program Adult Treatment Panel III (NCEP-ATPIII). The demographic, clinical and laboratory characteristics of all participants were recorded and carotid and femoral US was performed in patients with APS. Multivariate regression models were applied. Results Prevalence of MetS was 23.9%, 23.2%, 20.3% (based on JIS, IDF, modified NCEP-ATPIII criteria, respectively) in APS versus 17.4%, 17.4%, 13% in RA (p=0.181, p=0.231, p=0.106, respectively), and 44.2%, 44.2%, 40.6% in DM patients. In multivariate analysis, patients with systemic lupus erythematosus- related APS had an approximately 2.5-fold higher risk of MetS versus RA patients. MetS in APS was independently associated with arterial thrombosis (Odds ratio 3.5, p=0.030). Odds ratio for MetS was 1.16 for each one unit increase in C-reactive protein levels according to JIS and IDF criteria, and 1.49 and 1.47 for each one unit increase in uric acid levels using the IDF and modified NCEP-ATPIII models, respectively. APS patients with atherosclerotic carotid plaques had 4 to 6.5-fold increased risk of MetS. Odds for MetS were decreased by 26% with an increase in physical activity by one hour per week. Conclusions MetS is present in approximately one-fourth of APS patients at a comparable prevalence to that observed in patients with RA. MetS in APS is associated with arterial thrombosis, cardiovascular risk biomarkers, physical activity, and subclinical atherosclerosis, supporting its role in cardiovascular risk stratification and management in APS.
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Affiliation(s)
- Eleana Bolla
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Petros P. Sfikakis
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Maria G. Tektonidou
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece,*Correspondence: Maria G. Tektonidou, ;
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19
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Anastasiou IA, Tentolouris KN, Lambadiari V, Eleftheriadou I, Tektonidou M, Tentolouris N. Effects of Advanced Glycation End Products via Oxidative Stress on Beta Cells: Insights from in vitro and in vivo Studies and Update on Emerging Therapies. Mini Rev Med Chem 2023; 23:2041-2052. [PMID: 37165506 DOI: 10.2174/1389557523666230510123038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/09/2023] [Accepted: 04/06/2023] [Indexed: 05/12/2023]
Abstract
BACKGROUND Protein, lipid, and nucleic acid glycation reactions begin and continue as a result of persistent hyperglycemia in patients with diabetes mellitus. Advanced glycated end products (AGEs) are a complex group of chemical moieties that are formed as a result of the glycation process and play an important role in the pathogenesis of diabetes mellitus. When AGEs interact with their cellular receptor (RAGE), numerous signaling pathways, including nuclear factor kappa-light-chainenhancer of activated B cells (NF-κB), c-Jun N-terminal kinase (JNK), and mitogen-activated protein kinase/extracellular signal-regulated kinase (MAPK/ERK), are activated, increasing oxidative stress. OBJECTIVE The aim of this review was to summarize in vitro and in vivo studies underlining the involvement of AGEs on beta cell dysfunction and death via oxidative stress. METHODS A literature search of publications published between 1912 and December 2022 was conducted using MEDLINE, EMBASE, and the Cochrane Library, with restrictions on articles written in English. RESULTS Recent insights have revealed that oxidative stress has a crucial role in the development of beta cell dysfunction and insulin resistance, the major hallmarks of type 2 diabetes mellitus. Studies also revealed that AGEs decrease insulin synthesis and secretion in the pancreatic beta cells and induce cell apoptosis. CONCLUSION Experimental data have shown that both AGEs and oxidative stress contribute to beta cell dysfunction and development as well as to the progression of diabetic complications. Many anti- AGE therapies are being developed; however, it remains to be seen whether these therapies can help maintain beta cell function and prevent diabetes complications.
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Affiliation(s)
- Ioanna A Anastasiou
- First Department of Propaedeutic Internal Medicine, Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Konstantinos N Tentolouris
- First Department of Propaedeutic Internal Medicine, Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Vaia Lambadiari
- Second Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- First Department of Propaedeutic Internal Medicine, Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Maria Tektonidou
- First Department of Propaedeutic Internal Medicine, Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Diabetes Center, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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20
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Nikou T, Sakavitsi ME, Fytili C, Tentolouris N, Pieters L, Hermans N, Halabalaki M. Bioavailability and metabolism of olive bioactives. Maced Pharm Bull 2022. [DOI: 10.33320/maced.pharm.bull.2022.68.04.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Affiliation(s)
- Theodora Nikou
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimioupoli Zografou, 15771 Athens, Greece
| | - Maria-Eleni Sakavitsi
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimioupoli Zografou, 15771 Athens, Greece
| | - Christina Fytili
- First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 Agiou Thoma Street, 11527 Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 Agiou Thoma Street, 11527 Athens, Greece
| | - Luc Pieters
- Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Belgium
| | - Nina Hermans
- Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Belgium
| | - Maria Halabalaki
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimioupoli Zografou, 15771 Athens, Greece
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21
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Katsiki N, Tentolouris N, Marakomichelakis G, Richter D, Giannoukas A, Koufaki P, Papanas N. Real world data from a multi-centre study on the effects of cilostazol on pain symptoms and walking distance in patients with peripheral arterial disease. BMC Res Notes 2022; 15:373. [PMID: 36536424 PMCID: PMC9764459 DOI: 10.1186/s13104-022-06264-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE to assess the effects of cilostazol on pain-free walking distance in PAD patients with IC at 3 and 6 months in a real world, prospective, observational study. We included 1015 PAD patients presenting with IC (71.3% men, 93.5% white, mean age 69.2 ± 8.7 years). Patients were followed up for 6 months by their physicians. RESULTS Cilostazol significantly increased pain-free walking distance by a median of 285 and 387 m at 3 and 6 months, respectively (p < 0.01 for all comparisons). This effect was significant for patients 50-74 years (but not for those aged ≥ 75 years) and independent of smoking status, changes in physical activity, comorbidities and concomitant medication for PAD (i.e., acetylsalicylic acid and clopidogrel). Furthermore, significant reductions were observed in systolic (from 139 ± 16 to 133 ± 14 mmHg; p < 0.001) and diastolic blood pressure (from 84 ± 9 mmHg to 80 ± 10 mmHg; p < 0.001). Smoking cessation and increased physical activity were reported by the majority of participants. In conclusion, cilostazol was shown to safely decrease pain symptoms and improve pain-free walking in PAD patients with IC in a real world setting. Benefits also occurred in terms of BP and lifestyle changes.
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Affiliation(s)
- Niki Katsiki
- grid.449057.b0000 0004 0416 1485Department of Nutritional Sciences and Dietetics, International Hellenic University, Thessaloniki, Greece ,grid.440838.30000 0001 0642 7601School of Medicine, European University Cyprus, Nicosia, Cyprus
| | - Nikolaos Tentolouris
- grid.5216.00000 0001 2155 0800First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios Marakomichelakis
- grid.414655.70000 0004 4670 4329Fourth Department of Internal Medicine and Angiology Unit, Evangelismos General Hospital, Athens, Greece
| | - Dimitrios Richter
- grid.459474.fCardiac Department, Euroclinic Hospital, Athens, Greece
| | - Athanasios Giannoukas
- grid.410558.d0000 0001 0035 6670Department of Vascular Surgery, University Hospital of Larissa, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | | | - Nikolaos Papanas
- grid.12284.3d0000 0001 2170 8022Diabetic Foot Clinic, Diabetes Centre, Second Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
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22
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Rebelos E, Tentolouris N. Complementary actions of finerenone and SGLT2-i on renal outcomes?: An urgent need for more information. Nephrology (Carlton) 2022; 27:915-916. [PMID: 36273253 PMCID: PMC9828719 DOI: 10.1111/nep.14124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 09/30/2022] [Accepted: 10/13/2022] [Indexed: 01/12/2023]
Affiliation(s)
- Eleni Rebelos
- Turku PET CentreUniversity of TurkuTurkuFinland,Institute of Clinical PhysiologyNational Research Council (CNR)PisaItaly
| | - Nikolaos Tentolouris
- 1st Department of Propaedeutic and Internal Medicine, Medical SchoolNational and Kapodistrian University of Athens, Laiko General HospitalAthensGreece
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23
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Zacharopoulou O, Samakidou G, Eleftheriadou I, Tentolouris A, Chatzieleftheriou N, Kosta O, Tentolouris N. Acute effect of coffee consumption on blood pressure, QTc interval, and heart rate variability in people with type 2 diabetes. Hellenic J Cardiol 2022; 68:68-69. [PMID: 35753548 DOI: 10.1016/j.hjc.2022.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/20/2022] [Accepted: 06/21/2022] [Indexed: 01/27/2023] Open
Affiliation(s)
- Ourania Zacharopoulou
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
| | - Georgia Samakidou
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
| | - Ioanna Eleftheriadou
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
| | - Anastasios Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
| | - Nikolaos Chatzieleftheriou
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
| | - Ourania Kosta
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
| | - Nikolaos Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
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24
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Driva S, Korkontzelou A, Tonstad S, Tentolouris N, Katsaounou P. The Effect of Smoking Cessation on Body Weight and Other Metabolic Parameters with Focus on People with Type 2 Diabetes Mellitus. Int J Environ Res Public Health 2022; 19:ijerph192013222. [PMID: 36293800 PMCID: PMC9603007 DOI: 10.3390/ijerph192013222] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/24/2022] [Accepted: 10/07/2022] [Indexed: 06/01/2023]
Abstract
Smokers with diabetes mellitus substantially lower their risks of microvascular and macrovascular diabetic complications, in particular cardiovascular disease, by quitting smoking. However, subsequent post-smoking-cessation weight gain may attenuate some of the beneficial effects of smoking cessation and discourage attempts to quit. Weight gain can temporarily exacerbate diabetes and deteriorate glycemic control and metabolic profile. The molecular mechanisms by which quitting smoking leads to weight gain are largely associated with the removal of nicotine's effects on the central nervous system. This review addresses mechanisms of post-smoking-cessation weight gain, by reviewing the effects of nicotine on appetite, food intake, eating behaviour, energy expenditure, fat oxidation and appetite-regulating peptides. We also highlight correlations between post-cessation weight gain and risk of type 2 diabetes, consequences of weight gain in people with type 2 diabetes and the role of pharmacotherapies, which combine treatment of nicotine addiction and promotion of weight control.
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Affiliation(s)
- Stamatina Driva
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
- Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Aliki Korkontzelou
- Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
- First Department of Critical Care, Evangelismos General Hospital, National and Kapodistrian University of Athens, 10676 Athens, Greece
| | - Serena Tonstad
- Department of Preventive Cardiology, Oslo University Hospital, 0424 Oslo, Norway
| | - Nikolaos Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
| | - Paraskevi Katsaounou
- First Department of Critical Care, Evangelismos General Hospital, National and Kapodistrian University of Athens, 10676 Athens, Greece
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25
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Moriconi D, Nannipieri M, Dadson P, Rosada J, Tentolouris N, Rebelos E. The Beneficial Effects of Bariatric-Surgery-Induced Weight Loss on Renal Function. Metabolites 2022; 12:967. [PMID: 36295869 PMCID: PMC9608617 DOI: 10.3390/metabo12100967] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/08/2022] [Accepted: 10/08/2022] [Indexed: 08/05/2023] Open
Abstract
Obesity represents an independent risk factor for the development of chronic kidney disease (CKD), leading to specific histopathological alterations, known as obesity-related glomerulopathy. Bariatric surgery is the most effective means of inducing and maintaining sustained weight loss. Furthermore, in the context of bariatric-surgery-induced weight loss, a reduction in the proinflammatory state and an improvement in the adipokine profile occur, which may also contribute to the improvement of renal function following bariatric surgery. However, the assessment of renal function in the context of obesity and following marked weight loss is difficult, since the formulas adopted to estimate glomerular function use biomarkers whose production is dependent on muscle mass (creatinine) or adipose tissue mass and inflammation (cystatin-c). Thus, following bariatric surgery, the extent to which reductions in plasma concentrations reflect the actual improvement in renal function is not clear. Despite this limitation, the available literature suggests that in patients with hyperfiltration at baseline, GFR is reduced following bariatric surgery, whereas GFR is increased in patients with decreased GFR at baseline. These findings are also confirmed in the few studies that have used measured rather than estimated GFR. Albuminuria is also decreased following bariatric surgery. Moreover, bariatric surgery seems superior in achieving the remission of albuminuria and early CKD than the best medical treatment. In this article, we discuss the pathophysiology of renal complications in obesity, review the mechanisms through which weight loss induces improvements in renal function, and provide an overview of the renal outcomes following bariatric surgery.
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Affiliation(s)
- Diego Moriconi
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Monica Nannipieri
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
| | - Prince Dadson
- Turku PET Centre, University of Turku, 20500 Turku, Finland
| | - Javier Rosada
- Fourth Unit of Internal Medicine, University Hospital of Pisa, 56124 Pisa, Italy
| | - Nikolaos Tentolouris
- Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 11527 Athens, Greece
| | - Eleni Rebelos
- Turku PET Centre, University of Turku, 20500 Turku, Finland
- Institute of Clinical Physiology, National Research Council (CNR), 56124 Pisa, Italy
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Sykara M, Maniatakos P, Tentolouris A, Karoussis IK, Tentolouris N. The necessity of administrating antibiotic prophylaxis to patients with diabetes mellitus prior to oral surgical procedures-a systematic review. Diabetes Metab Syndr 2022; 16:102621. [PMID: 36183455 DOI: 10.1016/j.dsx.2022.102621] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND AIMS Μany studies suggest the use of antibiotic prophylaxis (AP) as an appropriate preventive measure for patients with diabetes mellitus (DM) due to the increased possibility of an impaired wound healing and infections after surgical procedures in the oral cavity. Existing recommendations regarding antibiotic prophylaxis before surgical procedures are not definitive and are based on expert opinions. The purpose of this study was to review the available scientific data about the necessity of administrating AP as a preventive measure prior to oral surgical procedures. METHOD PubMed®, Scopus® και Cochrane Central Register of Controlled Trials (CENTRAL) were used as databases to search for published research. All articles were initially identified and classified based on the title and subsequently on their abstract. For the next level the full scientific paper was read and evaluated. RESULTS Overall, 22 articles were included in the study, of which 2 were systematic reviews, 2 cohort studies, 2 case-control studies, 1 case series, 8 case reports and 7 professional association publications. CONCLUSIONS In the scientific literature, there is a wide range of recommendations and inconsistency regarding the need to administer AP prior to surgical dental operations in patients with DM, while there is no scientific evidence demonstrating its' effectiveness as a precautionary measure. Both blood glucose level measurements and recent HbA1c measurement should be evaluated before any dental procedure. Poor regulation may result to life-threatening infections after tooth extraction. AP is recommended prior to the placement of dental implant. Randomized, controlled, clinical trials with large number of participants and greater variety of surgical dental procedures are needed.
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Affiliation(s)
- Maria Sykara
- Department of Periodontology, Faculty of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis Maniatakos
- Faculty of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Laiko General Hospital, Athens, Greece.
| | - Ioannis K Karoussis
- Department of Periodontology, Faculty of Dentistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Laiko General Hospital, Athens, Greece
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27
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Kadoglou NPE, Kapetanios D, Korakas E, Valsami G, Tentolouris N, Papanas N, Lambadiari V, Karkos C. Association of serum levels of osteopontin and osteoprotegerin with adverse outcomes after endovascular revascularisation in peripheral artery disease. Cardiovasc Diabetol 2022; 21:171. [PMID: 36050687 PMCID: PMC9438128 DOI: 10.1186/s12933-022-01605-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Accepted: 03/30/2022] [Indexed: 12/04/2022] Open
Abstract
Background Osteoprotegerin (OPG) and osteopontin (OPN) are vascular calcification inhibitors with a known role in the atherosclerotic and inflammatory process. We investigated their relationship with adverse outcomes (restenosis/adverse cardiovascular events) after endovascular revascularisation of patients with peripheral arterial disease (PAD). Methods 203 consecutive patients were enrolled in the PAD group (PADG) and 78 age and sex-matched subjects with less than two cardiovascular risk factors served as control group (COG). PADG underwent standard medical assessment at baseline and 12 months after the procedure. During follow up major adverse cardiovascular events (MACEs) including arterial restenosis with need for reintervention were documented and the PADG was divided accordingly into two subgroups. Results During 12-month follow-up, 82 MACE were recorded (MACE subgroup). The rest of 124 PAD patients remained free of MACE (non-MACE subgroup). At baseline, OPG (9.89 ± 2.85 ng/ml vs 3.47 ± 1.95 ng/ml, p < 0.001) and OPN (79.99 ± 38.29 ng/ml vs 35.21 ± 14.84 ng/ml, p < 0.001) levels were significantly higher in PADG compared to COG, as well as in MACE subgroup compared to non-MACE subgroup (13.29 ± 3.23 ng/ml vs 10.86 ± 3 ng/ml and 96.45 ± 40.12 ng/ml vs 78.1 ± 38.29 ng/ml, respectively). An independent association of PAD with OPG and OPN was found in the whole patient cohort. Although OPG and OPN were significantly related to MACE incidence in the univariate analysis, multiple logistic regression analysis failed to detect any independent predictor of MACE within the PADG. Conclusion Baseline high OPG and OPN levels were independently associated with PAD presence. Even higher levels of those biomarkers were detected among PAD patients with MACE, however, their prognostic role should be further clarified.
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Affiliation(s)
- Nikolaos P E Kadoglou
- Medical School, University of Cyprus, 215/6 Old road Lefkosias-Lemesou, 2029, Aglatzia, Nicosia, Cyprus. .,Department of Vascular Surgery, University Hospital, LMU Munich, Munich, Germany.
| | - Dimitrios Kapetanios
- Department of Vascular Surgery, University Hospital, LMU Munich, Munich, Germany
| | - Emmanouil Korakas
- 2nd Department of Internal Medicine, Research Institute and Diabetes Centre, Athens University Medical School, Attikon University General Hospital, Athens, Greece
| | - Georgia Valsami
- School of Health Sciences, Department of Pharmacy, National & Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Papanas
- Diabetes Centre, Second Department of Internal Medicine, Democritus University of Thrace, 68100, Alexandroupolis, Greece
| | - Vaia Lambadiari
- 2nd Department of Internal Medicine, Research Institute and Diabetes Centre, Athens University Medical School, Attikon University General Hospital, Athens, Greece
| | - Christos Karkos
- 5Th Department of Surgery, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Jude EB, Tentolouris N, Rastogi A, Yap MH, Pedrosa HC, Ling SF. Vitamin D prescribing practices among clinical practitioners during the COVID‐19 pandemic. Health Sci Rep 2022; 5:e691. [PMID: 35844828 PMCID: PMC9273939 DOI: 10.1002/hsr2.691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 04/27/2022] [Accepted: 05/06/2022] [Indexed: 11/11/2022] Open
Abstract
Background and Aims COVID‐19 has caused devastation globally. Low vitamin D status, particularly during the winter months, remains commonplace around the world, and it is thought to be one of the contributing factors toward causation and severity of COVID‐19. Many guidelines do not recommend vitamin D for the treatment or prevention of the disease. Hence, we set out to conduct a global survey to understand the use and prescribing habits of vitamin D among clinicians for COVID‐19. Methods An online anonymous questionnaire was sent to clinicians enquiring about their prescribing habits of vitamin D and personal use of vitamin D. Data of the survey were collected between January 15, 2021, and February 13, 2021. Results Four thousand four hundred forty practicing clinicians were included in the analysis, with the majority of those responding from Asia, followed by Europe. 82.9% prescribed vitamin D before COVID‐19, more commonly among general practitioners (GPs) in comparison with medical specialists, and Asian clinicians were more likely to prescribe vitamin D in comparison with Caucasian physicians (p < 0.01). GPs were also more likely to prescribe vitamin D prophylactically to prevent COVID‐19 in comparison with medical specialists (OR 1.47, p < 0.01). Most GPs (72.8%) would also prescribe vitamin D to treat COVID‐19 in comparison with medical specialists (OR 1.81, p < 0.01), as well as more Asian in comparison with Caucasian physicians (OR 4.57, p < 0.01). 80.4% of respondents were taking vitamin D, more so in the 45–54 and 65–74 age groups in comparison with the 18–24 years category (OR 2.15 and 2.40, respectively, both p < 0.05), many of whom did so before COVID‐19 (72.1%). Conclusion This survey has shown that many clinicians would prescribe vitamin D for the prevention and treatment of COVID‐19. The majority would also recommend measuring vitamin D levels, but not so in patients with COVID‐19.
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Affiliation(s)
- Edward B. Jude
- Department of Diabetes and Endocrinology Tameside and Glossop Integrated Care NHS Foundation Trust Ashton‐under‐Lyne UK
- Department of Diabetes and Endocrinology The University of Manchester Manchester UK
- Department of Diabetes and Endocrinology Manchester Metropolitan University Manchester UK
| | - Nikolaos Tentolouris
- 1st Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens Laiko General Hospital Athens Greece
| | - Ashu Rastogi
- Department of Diabetes and Endocrinology Post Graduate Institute of Medical Education and Research Chandigarh India
| | - Moi H. Yap
- Department of Diabetes and Endocrinology Manchester Metropolitan University Manchester UK
| | - Hermelinda C. Pedrosa
- Department of Diabetes and Endocrinology, Endocrinology Unit, Research Centre, Taguatinga Regional Hospital Secretariat of Health Brasilia‐DF Brazil
| | - Stephanie F. Ling
- Department of Diabetes and Endocrinology The University of Manchester Manchester UK
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Maltezou HC, Pavli A, Tsonou P, Balaska A, Raftopoulos V, Papadima K, Andreopoulou A, Tentolouris A, Gamaletsou MN, Sipsas NV, Tentolouris N. Role of diabetes mellitus in the clinical course and outcome of SARS-CoV-2 infected patients. Hormones (Athens) 2022; 21:221-227. [PMID: 35138606 DOI: 10.1007/s42000-021-00342-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 12/07/2021] [Indexed: 01/08/2023]
Abstract
PURPOSE Our aim was to study patients with diabetes mellitus and SARS-CoV-2-infection diagnosed during the first pandemic wave in Greece. METHODS Cases were retrieved from the national database of SARS-CoV-2 infections. RESULTS We studied 2624 SARS-CoV-2 infected cases, including 157 with diabetes. Patients with diabetes more often had other comorbidities (68.8 vs. 24.1%; p-value < 0.001). Among patients with diabetes, 149 (94.9%) developed symptomatic disease (COVID-19) compared to 1817 patients (73.7%) without diabetes (p-value < 0.001). A total of 126 patients with diabetes and COVID-19 were hospitalized and 41 died (27.5% case-fatality rate compared to 7.5% among patients without diabetes; p-value < 0.001). Patients with diabetes more often were hospitalized, developed complications, were admitted to the intensive care unit (ICU), received invasive mechanical ventilation, and died compared to patients without diabetes (p-values < 0.001 to 0.002 for all comparisons). Multivariate logistic regression analyses revealed that diabetes, having other comorbidities, and older age were significantly associated with higher risk for hospitalization, ICU admission, invasive mechanical ventilation, and death, and that obesity was significantly associated with higher risk for hospitalization, ICU admission, and mechanical intubation, while female gender protected against these outcomes. CONCLUSION COVID-19 is associated with increased rates of serious morbidity and adverse outcome in patients with diabetes and represents a severe illness for them.
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Affiliation(s)
- Helena C Maltezou
- Directorate of Research, Studies and Documentation, National Public Health Organization, Athens, Greece.
| | - Androula Pavli
- Department of Travel Medicine, National Public Health Organization, Athens, Greece
| | - Paraskevi Tsonou
- Department of Travel Medicine, National Public Health Organization, Athens, Greece
| | - Asimina Balaska
- Directorate of Non-Communicable Diseases, National Public Health Organization, Athens, Greece
| | | | - Kalliopi Papadima
- Department of Respiratory Infections, Directorate of Epidemiological Surveillance and Interventions for Infectious Diseases, National Public Health Organization, Athens, Greece
| | - Anastasia Andreopoulou
- Department of Respiratory Infections, Directorate of Epidemiological Surveillance and Interventions for Infectious Diseases, National Public Health Organization, Athens, Greece
| | - Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria N Gamaletsou
- Pathophysiology Department, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos V Sipsas
- Pathophysiology Department, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Anastasiou IA, Eleftheriadou I, Tentolouris A, Sarantis P, Angelopoulou A, Katsaouni A, Mourouzis I, Karamouzis MV, Gorgoulis V, Pantos C, Tentolouris N. Low concentrations of bisphenol A promote the activation of the mitochondrial apoptotic pathway on Beta-TC-6 cells via the generation of intracellular reactive oxygen species and mitochondrial superoxide. J Biochem Mol Toxicol 2022; 36:e23099. [PMID: 35593412 DOI: 10.1002/jbt.23099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 04/03/2022] [Accepted: 05/11/2022] [Indexed: 11/10/2022]
Abstract
Τhe natural history of type 2 diabetes mellitus is characterized by a progressive loss of pancreatic beta cell function and insulin resistance. Bisphenol A (BPA) is an endocrine-disrupting chemical that is used widely in industry; people are exposed to BPA and its products daily. Studies have delineated that BPA alters the function of pancreatic beta cells. Herein, we examined the effect of low doses of BPA on pancreatic beta cell viability and apoptosis and we tried to elucidate the mechanisms involved in these processes. Beta-TC-6 (ATCC® CRL-11506™) cells were cultured with a medium containing the following dilutions of BPA: 0.002, 0.02, 0.1, 0.2, 2 μΜ up to 72 h. We examined the viability and adenosine triphosphate (ATP) levels of cells. Then, we measured apoptosis, cell cycle, and insulin levels. We quantified the levels of proteins implicated in the mitochondrial pathway of apoptosis; and finally, we quantified the intracellular reactive oxygen species and mitochondrial superoxide. We found that the exposure of Beta-TC-6 cells to BPA results in a decrease in cell viability, ATP levels, and an increase in insulin levels. We found an increase in apoptosis levels and a decrease in cell cycle levels. In addition, we provide evidence of the levels of apoptotic proteins. Finally, we found an increase in the cellular reactive oxygen species and mitochondrial superoxide production. Exposure to low concentrations of BPA triggers the mitochondrial pathway of apoptosis via the generation of intracellular reactive oxygen species and mitochondrial superoxide on Beta-TC-6 cells in a dose-dependent way.
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Affiliation(s)
- Ioanna A Anastasiou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Anastasios Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Panagiotis Sarantis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Andriani Angelopoulou
- Laboratory of Histology-Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Athanasia Katsaouni
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Iordanis Mourouzis
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Michalis V Karamouzis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Vasilios Gorgoulis
- Laboratory of Histology-Embryology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Constantinos Pantos
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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Kokotou MG, Mantzourani C, Batsika CS, Mountanea OG, Eleftheriadou I, Kosta O, Tentolouris N, Kokotos G. Lipidomics Analysis of Free Fatty Acids in Human Plasma of Healthy and Diabetic Subjects by Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS). Biomedicines 2022; 10:biomedicines10051189. [PMID: 35625925 PMCID: PMC9138513 DOI: 10.3390/biomedicines10051189] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/17/2022] [Accepted: 05/17/2022] [Indexed: 11/16/2022] Open
Abstract
Targeted analytical methods for the determination of free fatty acids (FFAs) in human plasma are of high interest because they may help in identifying biomarkers for diseases and in monitoring the progress of a disease. The determination of FFAs is of particular importance in the case of metabolic disorders because FFAs have been associated with diabetes. We present a liquid chromatography-high resolution mass spectrometry (LC-HRMS) method, which allows the simultaneous determination of 74 FFAs in human plasma. The method is fast (10-min run) and straightforward, avoiding any derivatization step and tedious sample preparation. A total of 35 standard saturated and unsaturated FFAs, as well as 39 oxygenated (either hydroxy or oxo) saturated FFAs, were simultaneously detected and quantified in plasma samples from 29 subjects with type 2 diabetes mellitus (T2D), 14 with type 1 diabetes mellitus (T1D), and 28 healthy subjects. Alterations in the levels of medium-chain FFAs (C6:0 to C10:0) were observed between the control group and T2D and T1D patients.
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Affiliation(s)
- Maroula G. Kokotou
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Laboratory of Chemistry, Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Christiana Mantzourani
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Charikleia S. Batsika
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Olga G. Mountanea
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
| | - Ioanna Eleftheriadou
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
- Diabetes Center, First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 15772 Athens, Greece;
| | - Ourania Kosta
- Diabetes Center, First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 15772 Athens, Greece;
| | - Nikolaos Tentolouris
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
- Diabetes Center, First Department of Propaedeutic and Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 15772 Athens, Greece;
| | - George Kokotos
- Department of Chemistry, National and Kapodistrian University of Athens, 15771 Athens, Greece; (M.G.K.); (C.M.); (C.S.B.); (O.G.M.)
- Center of Excellence for Drug Design and Discovery, National and Kapodistrian University of Athens, 15771 Athens, Greece; (I.E.); (N.T.)
- Correspondence: ; Tel.: +30-210-7274462
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Tentolouris N, Samakidou G, Eleftheriadou I, Tentolouris A, Jude EB. The effect of vitamin D supplementation on mortality and intensive care unit admission of COVID-19 patients. A systematic review, meta-analysis and meta-regression. Diabetes Metab Res Rev 2022; 38:e3517. [PMID: 34965318 PMCID: PMC9015406 DOI: 10.1002/dmrr.3517] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 11/16/2021] [Accepted: 11/26/2021] [Indexed: 12/02/2022]
Abstract
AIMS The aim of this systematic review and meta-analysis was to investigate the effect of vitamin D supplementation on mortality and admission to intensive care unit (ICU) of COVID-19 patients. METHODS A systematic search of PubMed, Google Scholar, Embase, Web of Science and medRxiv with terms relative to vitamin D supplementation and COVID-19 was conducted on 26 March 2021. Comprehensive Meta-Analysis software was used for the quantitative assessment of data and random-effects model was applied. To investigate the association between the dose of vitamin D and the outcomes of interest, meta-regression analysis was performed. RESULTS Two thousand and seventy-eight patients from nine studies with data on mortality were included (583 received vitamin D supplementation, while 1495 did not). Sixty-one (10.46%) individuals in the treated group died, compared to 386 (25.81%) in the non-treated group (odds ratio [OR]: 0.597; 95% CI: 0.318-1.121; p = 0.109). Eight hundred and sixty patients from six studies with data on ICU admission were included (369 received vitamin D supplementation, while 491 did not). Forty-five (12.19%) individuals in the treated group were admitted to ICU, compared to 129 (26.27%) in the non-treated group (OR: 0.326; 95% CI: 0.149-0.712; p = 0.005). No significant linear relationship between vitamin D dose and log OR of mortality or log OR of ICU admission was observed. CONCLUSION This meta-analysis indicates a beneficial role of vitamin D supplementation on ICU admission, but not on mortality, of COVID-19 patients. Further research is urgently needed to understand the benefit of vitamin D in COVID-19.
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Affiliation(s)
- Nikolaos Tentolouris
- First Department of Propaedeutic Internal MedicineDiabetes CentreMedical SchoolNational and Kapodistrian University of AthensLaiko General HospitalAthensGreece
| | - Georgia Samakidou
- First Department of Propaedeutic Internal MedicineDiabetes CentreMedical SchoolNational and Kapodistrian University of AthensLaiko General HospitalAthensGreece
| | - Ioanna Eleftheriadou
- First Department of Propaedeutic Internal MedicineDiabetes CentreMedical SchoolNational and Kapodistrian University of AthensLaiko General HospitalAthensGreece
| | - Anastasios Tentolouris
- First Department of Propaedeutic Internal MedicineDiabetes CentreMedical SchoolNational and Kapodistrian University of AthensLaiko General HospitalAthensGreece
| | - Edward B. Jude
- Tameside and Glossop Integrated Care NHS Foundation TrustAshton‐under‐LyneUK
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Tzeravini E, Stratigakos E, Siafarikas C, Tentolouris A, Tentolouris N. The Role of Diabetes and Hyperglycemia on COVID-19 Infection Course-A Narrative Review. Front Clin Diabetes Healthc 2022; 3:812134. [PMID: 36992740 PMCID: PMC10012165 DOI: 10.3389/fcdhc.2022.812134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 01/31/2022] [Indexed: 01/08/2023]
Abstract
It was previously reported that subjects with diabetes mellitus (DM) are more vulnerable to several bacterial or viral infections. In the era of coronavirus disease 2019 (COVID-19) pandemic, it is reasonable to wonder whether DM is a risk factor for COVID-19 infection, too. It is not yet clear whether DM increases the risk for contracting COVID-19 infection or not. However, patients with DM when infected are more likely to develop severe or even fatal COVID-19 disease course than patients without DM. Certain characteristics of DM patients may also deteriorate prognosis. On the other hand, hyperglycemia per se is related to unfavorable outcomes, and the risk may be higher for COVID-19 subjects without pre-existing DM. In addition, individuals with DM may experience prolonged symptoms, need readmission, or develop complications such as mucormycosis long after recovery from COVID-19; close follow-up is hence necessary in some selected cases. We here present a narrative review of the literature in order to set light into the relationship between COVID-19 infection and DM/hyperglycemia.
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Affiliation(s)
- Evangelia Tzeravini
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | | | - Chris Siafarikas
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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Papadokostaki E, Tentolouris A, Anastasiou IA, Psichogiou M, Iliaki E, Eleftheriadou I, Hatzakis A, Tentolouris N. Immunogenicity of SARS-CoV-2 BNT162b2 Vaccine in People with Diabetes: A Prospective Observational Study. Vaccines (Basel) 2022; 10:vaccines10030382. [PMID: 35335014 PMCID: PMC8954340 DOI: 10.3390/vaccines10030382] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 01/11/2023] Open
Abstract
The mRNA-based BNT162b2 vaccine has demonstrated high efficacy against severe SARS-CoV-2. However, data regarding immune response in people with diabetes mellitus (DM) after vaccination with the BNT162b2 vaccine are limited. In this prospective observational study, we examined humoral immune response in participants with and without DM after vaccination with the BNT162b2 mRNA vaccine. A total of 174 participants (58 with and 116 without diabetes, matched for age) were included. Antibodies were measured 21 days after the first dose, 7−15 days after the second dose, and 70−75 days after the second and before the third dose of the vaccine. Antibodies were measured by an anti-SARS-CoV-2 receptor-binding domain IgG (Abs-RBD-IgG) assay by a chemiluminescent microparticle immune assay; values > 50 AU/mL are considered protective from severe disease. Almost 17% of participants with DM did not develop adequate humoral immune response to the BNT162b2 mRNA vaccine after the first dose; however, it was high and similar after the second dose in both participants with and without DM and remained so almost 2 months after the second dose of the vaccine. Geometric mean values of Abs-RBD-IgG were not significantly different between participants with and without DM during the study. At least two doses of the BNT162b2 vaccine are necessary to ensure adequate and sustainable immune response in people with DM.
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Affiliation(s)
- Eleni Papadokostaki
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 115 27 Athens, Greece; (E.P.); (A.T.); (I.A.A.); (I.E.)
- Department of Internal Medicine, University Hospital of Heraklion, 715 00 Heraklion, Greece
| | - Anastasios Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 115 27 Athens, Greece; (E.P.); (A.T.); (I.A.A.); (I.E.)
| | - Ioanna A. Anastasiou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 115 27 Athens, Greece; (E.P.); (A.T.); (I.A.A.); (I.E.)
| | - Mina Psichogiou
- First Department of Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 115 27 Athens, Greece;
| | - Evangelia Iliaki
- Microbiology Department, General Hospital of Heraklion, Venizeleio, 714 09 Heraklion, Greece;
| | - Ioanna Eleftheriadou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 115 27 Athens, Greece; (E.P.); (A.T.); (I.A.A.); (I.E.)
| | - Angelos Hatzakis
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, 157 72 Athens, Greece;
- Hellenic Scientific Society for the Study of AIDS, Sexually Transmitted and Emerging Diseases, 115 27 Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 115 27 Athens, Greece; (E.P.); (A.T.); (I.A.A.); (I.E.)
- Correspondence: ; Tel.: +30-213-206-1061
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Cholongitas E, Tsilingiris D, Diamantopoulou P, Mastrogianni E, Tentolouris A, Karagiannakis D, Moyssakis I, Papatheodoridis GV, Tentolouris N. Association of cardiovascular factors in diabetic patients with non-alcoholic fatty liver disease. Hormones (Athens) 2022; 21:133-145. [PMID: 34716911 DOI: 10.1007/s42000-021-00334-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 10/19/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE To evaluate the association between severity of hepatic steatosis/fibrosis with clinical, laboratory, and echocardiographic characteristics, including visceral obesity and type 2 diabetes mellitus (T2DM)-related micro- and macrovascular complications in diabetic patients with non-alcoholic fatty liver disease (NAFLD). METHODS We studied 60 consecutive NAFLD outpatients with T2DM, recording several demographic and clinical characteristics, trunk and visceral fat, cardiac ultrasound, and micro- and macrovascular complications of diabetes mellitus including microalbuminuria, diabetic peripheral neuropathy, peripheral vascular disease, and cardiac autonomic function. Severity of steatosis and fibrosis was evaluated with abdominal ultrasound and liver stiffness measurements, respectively. RESULTS Twenty-three (41%) of the patients had grade 1 steatosis and mean liver stiffness was 7.5 ± 3 kPa. After applying Bonferroni correction for multiple comparisons, ferritin concentration was the only factor significantly different between patients with mild (grade 1) compared to those with moderate/severe (grade 2/3) steatosis and showed good discriminative ability for the presence of moderate/severe steatosis (AUC: 0.74, sensitivity 88%, specificity 48%, PPV 74%, and NPV 72%). In addition, waist circumference was the only factor associated with the presence of significant fibrosis (≥ F2) with very good discriminative ability (AUC: 0.77, sensitivity 89%, specificity 45%, PPV 75%, and NPV 70%). CONCLUSION Specific clinical and laboratory characteristics, which may be determined via widely accessible and noninvasive techniques, were associated with severity of diabetics NAFLD, taking into account echocardiographic characteristics, visceral obesity, and T2DM-related systemic complications.
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Affiliation(s)
- Evangelos Cholongitas
- First Department of Internal Medicine, Medical School of National, Laiko General Hospital, Kapodistrian University of Athens, Agiou Thoma 17, 11527, Athens, Greece.
| | - Dimitrios Tsilingiris
- First Department of Propaedeutic Internal Medicine, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiota Diamantopoulou
- First Department of Internal Medicine, Medical School of National, Laiko General Hospital, Kapodistrian University of Athens, Agiou Thoma 17, 11527, Athens, Greece
| | - Elpida Mastrogianni
- First Department of Internal Medicine, Medical School of National, Laiko General Hospital, Kapodistrian University of Athens, Agiou Thoma 17, 11527, Athens, Greece
| | - Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Karagiannakis
- Academic Department of Gastroenterology, Laiko General Hospital, Medical School of National and Kapodistrian University of Athens, Athens, Greece
| | | | - George V Papatheodoridis
- Academic Department of Gastroenterology, Laiko General Hospital, Medical School of National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, Athens, Greece
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Bletsa E, Stampouloglou PK, Siasos G, Oikonomou E, Gouliopoulos N, Tsigkou V, Paschou S, Kassi E, Tentolouris N, Tsioufis SRK, Vavouranakis E. THE COMPARATIVE EFFECT OF NEWER ANTIDIABETIC AGENTS ON ENDOTHELIAL FUNCTION AND ARTERIAL WALL PROPERTIES IN PATIENTS WITH TYPE 2 DIABETES. J Am Coll Cardiol 2022. [DOI: 10.1016/s0735-1097(22)02514-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Fadini GP, Morales C, Caballero I, González B, Tentolouris N, Consoli A. Efficacy of Dapagliflozin in Southern Europe Across the Spectrum of Characteristics of Type 2 Diabetes: An International Real-World Analysis. Diabetes Metab Syndr Obes 2022; 15:3533-3541. [PMID: 36411790 PMCID: PMC9675331 DOI: 10.2147/dmso.s390075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 10/28/2022] [Indexed: 11/16/2022] Open
Abstract
PURPOSE To extend a prior real-world analysis (DARWIN-T2D) of patients with type 2 diabetes initiating dapagliflozin in Italy, Greece, and Spain by evaluating changes in glycemic and extra-glycemic endpoints after initiation of dapagliflozin. PATIENTS AND METHODS The association among demographic/clinical characteristics and the change in glycemic and extraglycemic effectiveness endpoints during the observation period was assayed using a mixed effects model. RESULTS A total of 1438 (860 males; 59.8%) patients were evaluated; patients were followed for a mean of 5.6 months. At baseline, 93.4% and 61.9% of patients were on concomitant metformin and insulin, respectively. A significant mean decrease in HbA1c from 8.7% to 7.5% was observed. The mixed model used also revealed several associations between different glycemic and laboratory parameters and patient characteristics at baseline; insulin use was significantly associated with lower HbA1c. Patients with BMI ≥30 kg/m2 experienced greater weight loss than those with BMI <30 kg/m2. A consistent glucose-lowering effect of dapagliflozin was seen in all subgroups of patients, including those with stage 2 renal impairment and cardiovascular disease. CONCLUSION The present analysis confirms the efficacy of dapagliflozin in diversified real-world settings with broadly similar effects on HbA1c across countries and baseline characteristics.
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Affiliation(s)
- Gian Paolo Fadini
- Division of Metabolic Diseases, Department of Medicine, University of Padova, Padua, Italy
- Correspondence: Gian Paolo Fadini, Department of Medicine, University of Padova, Via Giustiniani 2, Padova, 35128, Italy, Tel +39 049 8214318, Email
| | - Cristobal Morales
- Hospital Virgen Macarena (Sevilla); Hospital Vithas (Sevilla), Sevilla, Spain
| | - Irene Caballero
- Hospital Virgen Macarena (Sevilla); Hospital Vithas (Sevilla), Sevilla, Spain
| | - Beatriz González
- Hospital Virgen Macarena (Sevilla); Hospital Vithas (Sevilla), Sevilla, Spain
| | - Nikolaos Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Agostino Consoli
- Department of Medicine and Aging Sciences (DMSI) and Center of Advanced Studies and Technologies (CAST), University of Chieti, Chieti, Italy
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Binou P, Stergiou A, Kosta O, Tentolouris N, Karathanos V. Positive effects of bread enriched with a-cyclodextrin or a compound of hydroxytyrosol encapsulated in a-cyclodextrin on postprandial glucose, insulin and appetite responses of healthy subjects. Clin Nutr ESPEN 2021. [DOI: 10.1016/j.clnesp.2021.09.128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Evangelatos G, Kravvariti E, Konstantonis G, Tentolouris N, Sfikakis PP, Tektonidou MG. Atherosclerosis progression in antiphospholipid syndrome is comparable to diabetes mellitus: a 3-year prospective study. Rheumatology (Oxford) 2021; 61:3408-3413. [PMID: 34850863 DOI: 10.1093/rheumatology/keab882] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/05/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Antiphospholipid syndrome (APS) is an autoimmune thrombophilia leading to life-threatening cardiovascular events. Cross-sectional data support that APS is associated with accelerated atherosclerosis, but this has not been confirmed in prospective studies. We aimed to compare the rate of atherosclerosis progression over a 3-year period between patients with APS, diabetes mellitus (DM) and healthy controls (HC). METHODS Eighty-six patients with APS (43 with primary [PAPS], 43 with systemic lupus erythematosus-related APS [SLE/APS]) and an equal number of age- and sex-matched patients with DM and HC, who underwent a baseline ultrasound of the carotid and femoral arteries, were invited for a 3-year follow-up evaluation for atherosclerotic plaque progression. Multivariate analysis was performed for the assessment of determinants of plaque progression after adjustment for disease-related and traditional cardiovascular risk factors. RESULTS Seventy-four APS patients (74.3% female, 38 with PAPS), 58 DM patients and 73 HC were included. APS patients exhibited a 3.3-fold higher risk of new atherosclerotic plaque formation compared with HC (p= 0.031), similar to that in DM (odds ratio [OR]=3.45, p= 0.028). In APS patients, plaque development risk was higher in SLE/APS vs PAPS (OR = 7.75, p= 0.038) and was independently associated with the presence of traditional cardiovascular risk factors, as expressed by the Systematic Coronary Risk Evaluation (SCORE) risk (OR = 2.31, p= 0.008). CONCLUSION APS is characterized by accelerated rates of subclinical atherosclerosis to a degree comparable to DM, which is more pronounced in SLE/APS patients. Traditional cardiovascular risk factors are major determinants of this risk, warranting aggressive management as in other high cardiovascular-risk disorders.
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Affiliation(s)
- Gerasimos Evangelatos
- Rheumatology unit, First Department of Propaedeutic Internal Medicine, Joint Rheumatology Academic Program, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Evrydiki Kravvariti
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - George Konstantonis
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Petros P Sfikakis
- Rheumatology unit, First Department of Propaedeutic Internal Medicine, Joint Rheumatology Academic Program, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria G Tektonidou
- Rheumatology unit, First Department of Propaedeutic Internal Medicine, Joint Rheumatology Academic Program, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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Stampouloglou PK, Bletsa E, Siasos G, Oikonomou E, Paschou SA, Gouliopoulos N, Katsianos E, Tsigou V, Kassi E, Tentolouris N, Tsioufis K, Tousoulis D. Differential effect of novel antidiabetic agents on the arterial stiffness and endothelial function in patients with type 2 diabetes mellitus. Eur Heart J 2021. [DOI: 10.1093/eurheartj/ehab724.2962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Arterial stiffness and endothelial function markers flag increased cardiovascular disease risk in patients with type 2 Diabetes Mellitus (T2DM).
Purpose
To investigate the effects of novel antidiabaetic agents on arterial stiffness and endothelial function in T2DM patients.
Patients and methods
We enrolled 80 consecutive patients under stable antidiabetic therapy who did not reach therapeutic targets. Subjects were assessed to receive an additional antidiabetic agent to optimize glucose control; dipeptidyl peptidase-4 inhibitor (DPP-4i, n=24), glucagon like peptide-1 receptor agonist (GLP-1RA, n=26), sodium/glucose cotransporter-2 inhibitor (SGLT-2i, n=21) or long lasting insulin (n=9). Glycosylated hemoglobin (Hba1c) along with carotid-femoral pulse wave velocity (PWV), augmentation index (Alx) and flow-mediated dialatation (FMD), as biomarkers of arterial stiffness and endothelial function accordingly, were measured at baseline and 3 months after treatment intensification.
Results
There were no differences between the study groups in traditional risk factors, or baseline HbA1c, PWV, Alx and FMD levels (ps=NS for all). All groups achieved better glycemic control in terms of HbA1c values between baseline and follow-up, as seen in the paired differences of these values (for DPP4i: 0.7±0.3%, for GLP-1RA: 1.3±0.7%, for SGLT-2i: 0.8±0.5% and for insulin 2.0±0.8%, p<0.001 for all). PWV showed a decrease from 10.0±0.84 to 9.1±0.43 m/sec (p=0.092) in the DPP4-i group, from 11.7±0.72 to 10.2±0.74 m/sec (p<0.001) in the GLP-1RA group, from 10.3±0.54 to 9.6±0.59 m/sec (p=0.001) in the SGLT-2i group and from 11.6±1.04 to 11.1±1.02 m/sec (p=0.219) in the insoulin group, as presented in Figure 1. Alx was also decreased from 34.2±1.89 to 31.5±2.7% (p=0.023) in the DPP-4i group, from 29.1±1.52 to 25.6±2.09% (p<0.001) in the GLP-1RA group, from 29.9±1.44 to 24.2±1.48% (p<0.001) in the SGLT-2i group and from 28.2±2.33 to 26.2±1.64% (p=0.153) in the insulin group, as presented in Figure 1, as well. Regarding FMD, a reduction in the values between groups from baseline to follow-up was also observed; from 5.33±1.3 to 5.50±1.1% (p=0.004) for the DPP-4i group, from 5.54±0.8 to 5.99±0.8% (p=0,001) for the GLP-1RA group, from 5.59±0.9 to 5.77±1.2% (p=0.005) for the SGLT-2i group and from 5.76±0.8 to 5.83±0.9% for the insulin group, as demonstrated in Figure 2.
Limitations: Our results should be examined under the scope of limited data pool and its subsequent restrictions.
Conclusion
These preliminary data provide evidence that treatment intesification- particularly with GLP1-RA and SGLT-2i, benefits vascular properties, a finding which could partly explain the positive cardiovascular outcomes of recent randomized clinical trials in this field.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- P K Stampouloglou
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - E Bletsa
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - G Siasos
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - E Oikonomou
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - S A Paschou
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - N Gouliopoulos
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - E Katsianos
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - V Tsigou
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - E Kassi
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - N Tentolouris
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - K Tsioufis
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
| | - D Tousoulis
- Hippokration General Hospital, Heart and Diabetes Center, 1st Cardiology Department, Athens, Greece
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Frías JP, Auerbach P, Bajaj HS, Fukushima Y, Lingvay I, Macura S, Søndergaard AL, Tankova TI, Tentolouris N, Buse JB. Efficacy and safety of once-weekly semaglutide 2·0 mg versus 1·0 mg in patients with type 2 diabetes (SUSTAIN FORTE): a double-blind, randomised, phase 3B trial. Lancet Diabetes Endocrinol 2021; 9:563-574. [PMID: 34293304 DOI: 10.1016/s2213-8587(21)00174-1] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/11/2021] [Accepted: 06/14/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND Semaglutide is an effective treatment for type 2 diabetes; however, 20-30% of patients given semaglutide 1·0 mg do not reach glycaemic treatment goals. We aimed to investigate the efficacy and safety of once-weekly semaglutide 2·0 mg versus 1·0 mg in adults with inadequately controlled type 2 diabetes on a stable dose of metformin with or without a sulfonylurea. METHODS We did a 40-week, randomised, active-controlled, parallel-group, double-blind, phase 3B trial (SUSTAIN FORTE) at 125 outpatient clinics in ten countries. Participants (≥18 years) with inadequately controlled type 2 diabetes (HbA1c 8·0-10·0%) with metformin and with or without sulfonylurea were randomly assigned (1:1) by an interactive web-response system to 2·0 mg or 1·0 mg once-weekly semaglutide. Participants, site personnel, the clinical study group, and investigators were masked to the randomised treatment. Outcomes included change from baseline at week 40 in HbA1c (primary outcome) and bodyweight (secondary confirmatory outcome), evaluated through trial product estimand (no treatment discontinuation or without rescue medication) and treatment policy estimand (regardless of treatment discontinuation or rescue medication) strategies. This study is registered with ClinicalTrials.gov, NCT03989232; EudraCT, 2018-004529-96; and WHO, U1111-1224-5162. FINDINGS Between June 19 and Nov 28, 2019, of 1515 adults assessed for eligibility, 961 participants (mean age 58·0 years [SD 10·0]; 398 [41%] women) were included. Participants were randomly assigned to once-weekly semaglutide 2·0 mg (n=480 [50%]) or 1·0 mg (n=481 [50%]); 462 (96%) patients in the semaglutide 2·0 mg group and 471 (98%) in the semaglutide 1·0 mg group completed the trial. Mean baseline HbA1c was 8·9% (SD 0·6; 73·3 mmol/mol [SD 6·9]) and BMI was 34·6 kg/m2 (SD 7·0). Mean change in HbA1c from baseline at week 40 was -2·2 percentage points with semaglutide 2·0 mg and -1·9 percentage points with semaglutide 1·0 mg (estimated treatment difference [ETD] -0·23 percentage points [95% CI -0·36 to -0·11]; p=0·0003; trial product estimand) and -2·1 percentage points with semaglutide 2·0 mg and -1·9 percentage points with semaglutide 1·0 mg (ETD -0·18 percentage points [-0·31 to -0·04]; p=0·0098; treatment policy estimand). Mean change in bodyweight from baseline at week 40 was -6·9 kg with semaglutide 2·0 mg and -6·0 kg with semaglutide 1·0 mg (ETD -0·93 kg [95% CI -1·68 to -0·18]; p=0·015; trial product estimand) and -6·4 kg with semaglutide 2·0 mg and -5·6 kg with semaglutide 1·0 mg (ETD -0·77 kg [-1·55 to 0·01]; p=0·054; treatment policy estimand). Gastrointestinal disorders were the most commonly reported adverse events (163 [34%] in the 2·0 mg group and 148 [31%] in the 1·0 mg group). Serious adverse events were similar between treatment groups, reported for 21 (4%) participants given semaglutide 2·0 mg and 25 (5%) participants given semaglutide 1·0 mg. Three deaths were reported during the trial (one in the semaglutide 1·0 mg group and two in the semaglutide 2·0 mg group). INTERPRETATION Semaglutide 2·0 mg was superior to 1·0 mg in reducing HbA1c, with additional bodyweight loss and a similar safety profile. This higher dose provides a treatment intensification option for patients with type 2 diabetes treated with semaglutide in need of additional glycaemic control. FUNDING Novo Nordisk.
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Affiliation(s)
- Juan P Frías
- Clinical Research, National Research Institute, Los Angeles, CA, USA.
| | | | | | | | - Ildiko Lingvay
- Department of Internal Medicine/Endocrinology, University of Texas Southwestern Medical Center, Dallas, TX, USA; Department of Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | | | | | | | - Nikolaos Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - John B Buse
- Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC, USA
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Athanasopoulou S, Simos D, Charalampopoulou M, Tentolouris N, Kokkinos A, Bacopoulou F, Aggelopoulou E, Zigkiri E, Chrousos GP, Darviri C, Gonos ES. Significant improvement of stress and aging biomarkers using a novel stress management program with the cognitive restructuring method "Pythagorean Self-Awareness Intervention" in patients with type 2 diabetes mellitus and healthy adults. Mech Ageing Dev 2021; 198:111538. [PMID: 34217756 DOI: 10.1016/j.mad.2021.111538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/16/2021] [Accepted: 06/29/2021] [Indexed: 12/14/2022]
Abstract
Stress accelerates aging by affecting relevant cellular pathways including, among others, leucocyte telomere length (LTL) and proteasome levels. Their impaired function underlies several age-related and non-communicable conditions, such as type 2 diabetes mellitus. The aim of the present study was to investigate, for the first time, the dynamics of stress-related aging factors in the frame of a novel stress-management technique, the Pythagorean Self Awareness Intervention (PSAI), in healthy volunteers and adults with type 2 diabetes. To this end a cohort of 311 healthy volunteers was initially studied and LTL and proteasome levels were analysed in a subgroup of healthy volunteers and adults with type 2 diabetes who were enrolled in the PSAI, with regards to specific physio- and psychometric characteristics of the participants (baseline and post-intervention). We have found a significant improvement of aging biomarkers and of psycho-/bio-factors in all participants. More specifically, post-intervention, both healthy adults and patients with type 2 diabetes demonstrated improved LTL and proteasome levels. Significant improvements were also observed in psychometric, anthropometric and key metabolic features as well as in hair cortisol. In conclusion our results highlighted potential key targets of such interventions and prognostic tools for the assessment of aging pace in clinical practice.
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Affiliation(s)
- Sophia Athanasopoulou
- Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), Athens, 11635, Greece; Faculty of Medicine, School of Health Sciences, University of Thessaly, Larisa, Greece
| | - Dimitrios Simos
- Postgraduate Course Stress Management and Health Promotion, School of Medicine, National and Kapodistrian University of Athens, Athens, 11527, Greece
| | - Maria Charalampopoulou
- Postgraduate Course Stress Management and Health Promotion, School of Medicine, National and Kapodistrian University of Athens, Athens, 11527, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, 11527, Greece
| | - Alexandros Kokkinos
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, 11527, Greece
| | - Flora Bacopoulou
- Postgraduate Course Stress Management and Health Promotion, School of Medicine, National and Kapodistrian University of Athens, Athens, 11527, Greece; Center for Adolescent Medicine and UNESCO Chair on Adolescent Health Care, First Department of Pediatrics, School of Medicine, National and Kapodistrian University of Athens, Aghia Sophia Children's Hospital, Athens, 11527, Greece; University Research Institute of Maternal and Child Health and Precision Medicine, and UNESCO Chair on Adolescent Health Care, National and Kapodistrian University of Athens, Aghia Sophia Children's Hospital, Athens, 11527, Greece
| | - Elena Aggelopoulou
- Postgraduate Course Stress Management and Health Promotion, School of Medicine, National and Kapodistrian University of Athens, Athens, 11527, Greece
| | - Eleni Zigkiri
- Postgraduate Course Stress Management and Health Promotion, School of Medicine, National and Kapodistrian University of Athens, Athens, 11527, Greece
| | - George P Chrousos
- Postgraduate Course Stress Management and Health Promotion, School of Medicine, National and Kapodistrian University of Athens, Athens, 11527, Greece; University Research Institute of Maternal and Child Health and Precision Medicine, and UNESCO Chair on Adolescent Health Care, National and Kapodistrian University of Athens, Aghia Sophia Children's Hospital, Athens, 11527, Greece; Division of Endocrinology and Metabolism, Biomedical Research Foundation of the Academy of Athens, Athens, 11527, Greece.
| | - Christina Darviri
- Postgraduate Course Stress Management and Health Promotion, School of Medicine, National and Kapodistrian University of Athens, Athens, 11527, Greece.
| | - Efstathios S Gonos
- Institute of Chemical Biology, National Hellenic Research Foundation (NHRF), Athens, 11635, Greece.
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Samakidou G, Eleftheriadou I, Tentolouris A, Papanas N, Tentolouris N. Rare diabetic neuropathies: It is not only distal symmetrical polyneuropathy. Diabetes Res Clin Pract 2021; 177:108932. [PMID: 34216680 DOI: 10.1016/j.diabres.2021.108932] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/12/2021] [Accepted: 06/20/2021] [Indexed: 11/25/2022]
Abstract
The prevalence of diabetes mellitus is increasing at an epidemic level, leading to a consequent increase of its chronic complications, including neuropathy. Diabetic neuropathy constitutes a heterogeneous group of disorders with distinct clinical presentations and pathophysiological mechanisms. These distinct forms may be categorised according to their clinical presentation as symmetrical (distal symmetrical polyneuropathy, autonomic and acute sensory neuropathy) and focal or multifocal (radiculoplexus neuropathies, entrapment syndromes, cranial palsies and other mononeuropathies). Additionally, people with diabetes may have neuropathies due to causes other than diabetes. The commonest forms of diabetic neuropathy are distal symmetrical polyneuropathy and autonomic neuropathy. However, clinicians should be aware that people with diabetes may suffer from less common forms of neuropathy and should be able to recognise their symptoms and signs. The recognition of the rare diabetic neuropathies is crucial, as they often lead to different clinical outcomes and require different management. The aim of the present narrative, non-systematic review is to outline the rare types of diabetic neuropathies.
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Affiliation(s)
- Georgia Samakidou
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Anastasios Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Nikolaos Papanas
- Diabetes Centre-Diabetic Foot Clinic, Second Department of Internal Medicine, Democritus University of Thrace, Alexandroupolis, Greece
| | - Nikolaos Tentolouris
- Diabetes Centre, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.
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Anastasiou IA, Eleftheriadou I, Tentolouris A, Samakidou G, Papanas N, Tentolouris N. Therapeutic Properties of Honey for the Management of Wounds; Is There a Role in the Armamentarium of Diabetic Foot Ulcer Treatment? Results From In vitro and In vivo Studies. INT J LOW EXTR WOUND 2021; 20:291-299. [PMID: 34142897 DOI: 10.1177/15347346211026819] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Diabetic foot ulcers are one of the most dreadful complications of diabetes mellitus and efforts to accelerate diabetic wound healing are of paramount importance to prevent ulcer infections and subsequent lower-limb amputations. There are several treatment approaches for the management of diabetic foot ulcers and honey seems to be a safe and cost-effective therapeutic approach on top of standard of care. The aim of this review was to summarize the therapeutic properties of honey and the data regarding its possible favorable effects on diabetic wound healing. A literature search of articles from 1986 until April 2021 was performed using MEDLINE, EMBASE, and the Cochrane Library to assess for studies examining the therapeutic wound healing properties of honey, it's in vitro effect, and the efficacy and/or mechanism of action of several types of honey used for the treatment of diabetic animal wounds. Honey has antioxidant, anti-inflammatory, and antibacterial properties and in vitro studies of keratinocytes and fibroblasts, as well as studies in diabetic animal models show that treatment with honey is associated with increased re-epithelialization and collagen production, higher wound contraction, and faster wound healing. The use of honey could be a promising approach for the management of diabetic foot ulcers.
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Affiliation(s)
- Ioanna A Anastasiou
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Ioanna Eleftheriadou
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Anastasios Tentolouris
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | - Georgia Samakidou
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
| | | | - Nikolaos Tentolouris
- Medical School, 68989National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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Argyropoulou O, Aissopou E, Argyris A, Goules A, Mavragani C, Tentolouris N, Sfikakis P, Vlachoyiannopoulos P, Tzioufas A, Protogerou A. POS0807 RETINAL VESSEL CALIBERS AS A NON-INVASIVE BIOMARKER OF INFLAMMATORY BURDEN IN PRIMARY SYSTEMIC VASCULITIS. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.1950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Primary Systemic Vasculitides (PSV) constitute a heterogeneous group of rare and potentially life-threatening autoimmune diseases, characterized by a varying degree of inflammatory response, leading to local or generalized vascular disease. Vessel involvement accounts for the micro- and macrovascular complications of the disease, along with the classic risk factors including, among others age and chronic use of steroids (1). Early identification of high-risk patients for cardiovascular disease (CVD) development and the contribution of inflammation towards this adverse outcome are still unmet needs. Alterations of retinal microcirculation have been independently associated with increased CVD risk in the general population (2). The potential changes of retinal vasculature and their association with disease activity and the magnitude of inflammation have not been studied in PSV so far.Objectives:To explore the effect of disease activity and inflammation on retinal microcirculation in PSV, classified according to vessel size as large, medium or small vessel vasculitides (LVV, MVV or SVV respectively), and polymyalgia rheumatica (PMR) without vasculitis.Methods:Fifty-nine patients, 43 with active disease [30 active vasculitis (12 LVV, 4 MVV, 14 SVV) and 13 PMR] and 16 with chronic inactive disease (13 vasculitis, 3 PMR) were studied. All patients were matched at 1:1 ratio with 59 controls, without underlying autoimmune/autoinflammatory disorder, neoplasia or infection, according to age, gender, CVD history, BMI, smoking, arterial hypertension, dyslipidemia, diabetes mellitus and treatment related to comorbidities. A total of 32 rheumatoid arthritis (RA) patients with mild to moderate inflammatory component as defined by standard of care acute phase reactants (ESR and CRP) and 16 chronic RA patients with normal ESR and CRP levels, matched 1:1 according to all the above parameters with 32 active and 16 inactive vasculitis/PMR patients respectively, served as disease controls. Digital retinal images were obtained and retinal vessel calibers were measured with a validated software to determine central retinal arteriolar and venular equivalents ratio (CRAE and CRVE respectively). For 16 patients with active vasculitis/PMR, retinal examination was performed in two time points (baseline and ≤ 6 months later).Results:In the overall population, patients with active Vasculitis/PMR had increased CRVE (213.8±21.7 vs 201.3±17.1, p<0.001) and CRAE (180.0±19.2 vs 164.1±17.5 p<0.001) compared to healthy controls. Separating patients according to disease type, we found that in LVV, MVV and PMR, CRAE (p≤0.05) and CRVE (p<0.05) were increased compared to control group, while in SVV only CRAE was increased (p<0.001). Interestingly, chronic patients with disease in remission displayed higher CRAE compared to matched controls (179.8±17.2 vs 169.1±11.1, p=0.006). After immunosuppressive treatment for ≤ 6 months CRVE and to a lesser extent CRAE were reduced (p=0.048 and 0.149 respectively) with a stronger statistical significance found in the Vasculitis group (p=0.026 and 0.069 respectively). Pearson’s linear correlation coefficient in active disease state (at baseline examination) revealed positive bivariate correlation only between CRVE with ESR and CRP. Patients with Vasculitis/PMR had also increased CRAE when compared to RA patients in both active and inactive disease status (182.8±19.4 vs 170.1±18.4, p<0.001 and 179.8±17.2 vs 166.3±17.9, p=0.005 respectively).Conclusion:Systemic inflammation alters retinal microcirculation in both a reversible (venules) and irreversible (arterioles) way, independently of PSV form. Thus, common disease specific pathogenetic mechanisms related to inflammation may be implicated in vascular remodeling. Sequential follow-up of PSV patients will address whether retinal vessel calibers may serve as a biomarker of disease activity and CVD development.References:[1]Argyropoulou OD et al. Curr Opin Rheumatol 2017.[2]Shaohua G et al. Current Atherosclerosis reports 2020.Disclosure of Interests:None declared
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Bimpas NG, Auyeung V, Tentolouris A, Tzeravini E, Eleftheriadou I, Tentolouris N. Adoption of and adherence to the Hellenic Diabetes Association guidelines for the management of subjects with type 2 diabetes mellitus by Greek physicians. Hormones (Athens) 2021; 20:347-358. [PMID: 33123974 DOI: 10.1007/s42000-020-00253-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 10/16/2020] [Indexed: 11/25/2022]
Abstract
PURPOSE The aim of this study was to evaluate the level of adoption of and adherence to the Hellenic Diabetes Association (HDA) guidelines for the management of individuals with type 2 diabetes mellitus (T2DM) by Greek physicians. METHODS We used a constructed questionnaire distributed to physicians in Greece. The questionnaire assessed the adoption of and adherence to the general and treatment guidelines of the HDA, as well as factors affecting physicians' prescribing habits and demographic characteristics of the participating healthcare professionals. Factors affecting the preferred therapy or glycated hemoglobin target setting were evaluated using non-parametric tests. The likelihood of adherence was estimated by logistic regression models. RESULTS Adoption of the HDA guidelines was reported by 92.2% of physicians. Adherence to the treatment algorithm was reported by 53.5% and to the general HDA guidelines by 42.0% of healthcare professionals; overall adherence to both general and treatment guidelines was 26.1%. Multivariate analysis demonstrated that the likelihood of adherence to treatment guidelines was higher among individuals attending over five in comparison with those attending under two diabetes seminars per year (p = 0.037); in contrast, years of work (professional experience ≥ 21 vs. ≤ 5 years) affected adherence negatively (p = 0.031). No significant association was found between other parameters and adherence to either general or overall guidelines. CONCLUSIONS Adoption rates of the guidelines for the management of T2DM were high, while adherence rates to general and treatment guidelines were low. The rate of seminar attendance affected treatment adherence positively, while long professional practice affected treatment adherence negatively.
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Affiliation(s)
| | - Vivian Auyeung
- Kings College London, Institute of Pharmaceutical Science, London, UK
| | - Anastasios Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, 17 Agiou Thoma St, 115 27, Athens, Greece
| | - Evangelia Tzeravini
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, 17 Agiou Thoma St, 115 27, Athens, Greece
| | - Ioanna Eleftheriadou
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, 17 Agiou Thoma St, 115 27, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine and Diabetes Center, Medical School, Laiko General Hospital, National and Kapodistrian University of Athens, 17 Agiou Thoma St, 115 27, Athens, Greece.
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Anastasiou IA, Eleftheriadou I, Tentolouris A, Koliaki C, Kosta OA, Tentolouris N. CDATA[The Effect of Oxidative Stress and Antioxidant Therapies on Pancreatic β-cell Dysfunction: Results from in Vitro and in Vivo Studies. Curr Med Chem 2021; 28:1328-1346. [PMID: 32452321 DOI: 10.2174/0929867327666200526135642] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 04/07/2020] [Accepted: 04/25/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Oxidative stress is a hallmark of many diseases. A growing body of evidence suggests that hyperglycemia-induced oxidative stress plays an important role in pancreatic β-cells dysfunction and apoptosis, as well as in the development and progression of diabetic complications. Considering the vulnerability of pancreatic β-cells to oxidative damage, the induction of endogenous antioxidant enzymes or exogenous antioxidant administration has been proposed to protect pancreatic β-cells from damage. OBJECTIVES The present review aims to provide evidence of the effect of oxidative stress and antioxidant therapies on pancreatic β-cell function, based on in vitro and in vivo studies. METHODS The MEDLINE and EMBASE databases were searched to retrieve available data. RESULTS Due to poor endogenous antioxidant mechanisms, pancreatic β-cells are extremely sensitive to Reactive Oxygen Species (ROS). Many natural extracts have been tested in vitro in pancreatic β-cell lines in terms of their antioxidant and diabetes mellitus ameliorating effects, and the majority of them have shown a dose-dependent protective role. On the other hand, there is relatively limited evidence regarding the in vitro antioxidant effects of antidiabetic drugs on pancreatic β -cells. Concerning in vivo studies, several natural extracts have shown beneficial effects in the setting of diabetes by decreasing blood glucose and lipid levels, increasing insulin sensitivity, and by up-regulating intrinsic antioxidant enzyme activity. However, there is limited evidence obtained from in vivo studies regarding antidiabetic drugs. CONCLUSION Antioxidants hold promise for developing strategies aimed at the prevention or treatment of diabetes mellitus associated with pancreatic β-cells dysfunction, as supported by in vitro and in vivo studies. However, more in vitro studies are required for drugs.
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Affiliation(s)
- Ioanna A Anastasiou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 AgiouThoma St., 11527 Athens, Greece
| | - Ioanna Eleftheriadou
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 AgiouThoma St., 11527 Athens, Greece
| | - Anastasios Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 AgiouThoma St., 11527 Athens, Greece
| | - Chrysi Koliaki
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 AgiouThoma St., 11527 Athens, Greece
| | - Ourania A Kosta
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 AgiouThoma St., 11527 Athens, Greece
| | - Nikolaos Tentolouris
- Diabetes Center, First Department of Propaedeutic Internal Medicine, Medical School, National and Kapodistrian University of Athens, Laiko General Hospital, 17 AgiouThoma St., 11527 Athens, Greece
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Cholongitas E, Tsilingiris D, Papatheodoridis GV, Tentolouris N. Microalbuminuria in NAFLD patients: The impact of cardiovascular system. Liver Int 2021; 41:1164-1165. [PMID: 33280201 DOI: 10.1111/liv.14751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 11/27/2020] [Indexed: 02/13/2023]
Affiliation(s)
- Evangelos Cholongitas
- First Department of Internal Medicine, Laiko General Hospital, Medical School of National and Kapodistrian University of Athens, Athens, Greece
| | - Dimitrios Tsilingiris
- First Department of Propaedeutic Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - George V Papatheodoridis
- Academic Department of Gastroenterology, Laiko General Hospital, Medical School of National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Tentolouris
- First Department of Propaedeutic Internal Medicine, Laiko General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Billings LK, Agner BFR, Altuntas Y, Grøn R, Halladin N, Klonoff DC, Tentolouris N, Jódar E. The Benefit of Insulin Degludec/Liraglutide (IDegLira) Compared With Basal-Bolus Insulin Therapy is Consistent Across Participant Subgroups With Type 2 Diabetes in the DUAL VII Randomized Trial. J Diabetes Sci Technol 2021; 15:636-645. [PMID: 32107930 PMCID: PMC8120051 DOI: 10.1177/1932296820906888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Insulin degludec/liraglutide (IDegLira) results in glycated hemoglobin (HbA1c) levels comparable with basal-bolus (BB) therapy. Here, we assessed the effect of once-daily IDegLira compared with BB (once-daily insulin glargine 100 U/mL and insulin aspart ≤4 times/day) across subgroups with varying characteristics. MATERIALS AND METHODS DUAL VII trial participants (type 2 diabetes [T2D], HbA1c 53-86 mmol/mol [7.0%-10.0%]) were subgrouped post hoc based on the following baseline characteristics: HbA1c (≤58.5, >58.5 to ≤69.4, and >69.4 mmol/mol; ≤7.5%, >7.5 to ≤8.5%, and >8.5%), body mass index (<30, ≥30 to <35, and ≥35 kg/m2), age (18 to <65 and ≥65 years), duration of diabetes (≥0 to 10 and ≥10 years), total pretrial daily basal insulin dose (20 to <30, ≥30 to <40, and ≥40 to ≤50 U), and fasting plasma glucose (<7.2 mmol/L/<130 mg/dL and ≥7.2 mmol/L/≥130 mg/dL). RESULTS Compared with BB, and in all subgroups, IDegLira treatment consistently gave similar HbA1c reductions, less severe or blood glucose-confirmed hypoglycemia, lower end-of-trial (EOT) total daily insulin dose, and weight loss. In all subgroups, mean EOT HbA1c was ≤53 mmol/mol (≤7.0%). The greatest HbA1c reduction occurred in the highest baseline HbA1c subgroup. Overall, mean EOT daily insulin dose was 0.43 to 0.52 U/kg with IDegLira and 0.74 to 1.07 U/kg with BB. More participants achieved the triple composite endpoint (HbA1c <53 mmol/mol [<7.0%] without weight gain or hypoglycemia) with IDegLira vs BB across the baseline HbA1c subgroups (≤58.5 mmol/mol [44.6% vs 7.0%], >58.5 to ≤69.4 mmol/mol [41.1% vs 8.3%], and >69.4 mmol/mol [23.8% vs 3.4%]). CONCLUSION These results support initiating IDegLira in patients with varying baseline characteristics and uncontrolled T2D on basal insulin. CLINICALTRIALS.GOV REGISTRATION NCT02420262.
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Affiliation(s)
- Liana K. Billings
- Department of Medicine, NorthShore
University HealthSystem/University of Chicago Pritzker School of Medicine, Evanston,
IL, USA
- Liana K. Billings, MD, MMSc, Department of
Medicine, NorthShore University HealthSystem/University of Chicago Pritzker
School of Medicine, 9977 Woods Drive, Suite 341, Skokie, IL 60077, USA.
| | | | - Yuksel Altuntas
- Endocrinology and Metabolism Clinic,
University of Health Sciences, Şişli Hamidiye Etfal Teaching and Research Hospital,
Istanbul, Turkey
| | | | | | | | - Nikolaos Tentolouris
- 1st Department of Propaedeutic Internal
Medicine, Laiko General Hospital, National and Kapodistrian University of Athens,
Medical School, Greece
| | - Esteban Jódar
- Department of Endocrinology and Clinical
Nutrition, University Hospital Quirónsalud Madrid & Ruber Juan Bravo,
Universidad Europea de Madrid, Spain
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Hancu N, Janez A, Lalic N, Papanas N, Rahelic D, Roman G, Serafinceanu C, Tentolouris N, Vukovic B, Ylli A, Tankova T. Expert Opinion: A Call for Basal Insulin Titration in Patients with Type 2 Diabetes in Daily Practice: Southeast European Perspective. Diabetes Ther 2021; 12:1575-1589. [PMID: 33721212 PMCID: PMC7957039 DOI: 10.1007/s13300-021-01037-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 02/17/2021] [Indexed: 12/14/2022] Open
Abstract
Therapeutic inertia related to insulin treatment, i.e. delays in initiation, especially titration of basal insulin, is a significant problem in daily practice in Southeast European countries. This phenomenon can be traced back to several patient-, physician- and health system-related factors. In recognition of the issue of inadequate insulin titration, 11 leading experts from countries in this region held a consensus-seeking meeting to review the current status of insulin initiation after non-insulin treatment and the potential barriers to insulin titration to provide an algorithm and tools for outpatient physicians and for patients aimed at optimizing basal insulin titration. The experts reached a consensus on the majority of the topics and proposed recommendations on how clinical inertia can be overcome. The outcomes of the meeting have been summarized in this paper.
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Affiliation(s)
- Nicolae Hancu
- Regina Maria Clinic, University of Medicine and Pharmacy Iuliu Hatieganu, Cluj Napoca, Romania.
| | - Andrej Janez
- Department of Endocrinology, Diabetes and Metabolic Diseases, University Clinical Center Ljubljana, Ljubljana, Slovenia
| | - Nebojsa Lalic
- Clinic for Endocrinology, Diabetes and Metabolic Diseases, Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - Nikolaos Papanas
- Diabetes Centre, Second Department of Internal Medicine, Medical School, Democritus University of Thrace, University Hospital of Alexandroupolis, Alexandroupolis, Greece
| | - Dario Rahelic
- Vuk Vrhovac University Clinic for Diabetes, Endocrinology and Metabolic Diseases, Merkur University Hospital, Zagreb, Croatia
- University of Zagreb School of Medicine, Zagreb, Croatia
- Josip Juraj Strossmayer, University of Osijek School of Medicine, Osijek, Croatia
| | - Gabriela Roman
- Clinical Centre of Diabetes, Nutrition and Metabolic Diseases, Emergency Clinic County Hospital, University of Medicine and Pharmacy Iuliu Hatieganu, Cluj-Napoca, Romania
| | - Cristian Serafinceanu
- Diabetology Clinic National Institute of Diabetes, Nutrition and Metabolic Diseases Prof. NC Paulescu, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Nikolaos Tentolouris
- Laiko General Hospital, National and Kapodistrian, University of Athens, Medical School, Athens, Greece
| | - Blaženko Vukovic
- Department of Endocrinology With General Internal Medicine, University Clinical Center of Republika Srpska, Banja Luka, Bosnia and Herzegovina
| | - Agron Ylli
- Endocrinology Service in UHC Mother Teresa Tirane, Tirane, Albania
| | - Tsvetalina Tankova
- Department of Endocrinology, Faculty of Medicine, Medical University of Sofia, Sofia, Bulgaria
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