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Fathi AE, Shahwan M, Hassan N, Jairoun AA, Shahwan M. Prevalence of Anemia in Type 2 Diabetic Patients and correlation with Body Mass Index and Kidney function in Palestine. Diabetes Metab Syndr Obes 2024; 17:2293-2301. [PMID: 38859997 PMCID: PMC11164194 DOI: 10.2147/dmso.s454916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/07/2024] [Indexed: 06/12/2024] Open
Abstract
Background The objective of this study was to determine the prevalence of anemia in patients with type 2 diabetes mellitus and to identify the set of anthropometric and biochemical factors that jointly influence the diabetic and anemic patients including body mass index and kidney function.. Methods A retrospective cross-sectional design study that was carried out in a private medical center in Palestine. The study included a total of 453 patients with type 2 diabetes. Inclusion criteria included all patients (18 years or older) suffering from type 2 Diabetes mellitus attended the diabetic clinic from the 1st of January 2018, till 30th of December 2018.. Results A total number of 453 diabetic patients were recruited in the study. Male constituted 48.5% (n=220) of the study sample and 51.4% (n=233) were female. Of total 453 diabetic patients, 38.4% (95% CI, 34%-43%) had anemia. The results of statistical modeling showed that female gender (AOR 18.5; 95% CI 9.35-21.97), presence of hypertension (AOR 2.11; 95% CI 1.98- 4.25), high BMI (AOR 1.101; 95% CI 1.045-1.159), high Serum Creatinine (AOR 1.72; 95% CI 1.22-2.13), high BUN level (AOR 1.22; 95% CI 1.145-1.301) and low e-GFR (AOR 0.571; 95% CI 0.271-0.872) are strong determents of anemia in type 2 diabetic patients.. Conclusion The results of the current study revealed a high prevalence of Anemia among type 2 diabetes Mellitus patients. A significant association was reported between Anemia, kidney functions and body mass index..
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Affiliation(s)
- Alaa Elsayed Fathi
- Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, Ajman, 346, United Arab Emirates
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, Ajman, 346, United Arab Emirates
| | - Moyad Shahwan
- Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, Ajman, 346, United Arab Emirates
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, Ajman, 346, United Arab Emirates
| | - Nageeb Hassan
- Department of Clinical Sciences, College of Pharmacy and Health Sciences, Ajman University, Ajman, Ajman, 346, United Arab Emirates
- Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, Ajman, 346, United Arab Emirates
| | - Ammar Abdulrahman Jairoun
- Health and Safety Department, Dubai Municipality, Dubai, United Arab Emirates
- Discipline of Clinical Pharmacy, School of Pharmaceutical Sciences, Universiti Sains Malaysia (USM), Pulau Pinang, 11500, Malaysia
| | - Monzer Shahwan
- Diabetes Clinic, AL-Swity Center for Dermatology and Chronic Diseases, Ramallah, 972, Palestine
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Regassa DA, Kiya GT, Kebede RA, Beyene W. Assessment of Hematological Profiles and Prognostic Role of Hemogram-Derived Novel Markers for Diabetes Mellitus and Its Complications Among Type 2 Diabetes Mellitus Adult Patients Attending Bishoftu General Hospital, Central, Ethiopia: A Comparative Cross-Sectional Study. J Blood Med 2023; 14:681-699. [PMID: 38164459 PMCID: PMC10758194 DOI: 10.2147/jbm.s435452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024] Open
Abstract
Background Diabetes is a chronic metabolic syndrome that is a global public health problem. Studies have used hematological parameters and hemogram-derived markers as predictors of poor glycemic and microvascular complications status in diabetics. However, the tendency to use these parameters is not fully evaluated in our context, and the evidence is inadequate. This study aimed to assess the hematological profiles and prognostic role of hemogram-derived novel markers in diabetes mellitus and its complications among DM patients at Bishoftu General Hospital, Ethiopia. Methods A comparative cross-sectional study was conducted among 261 participants from June 15 to August 12, 2022. A systematic random sampling technique was used to select participants. Data were collected using structured questionnaires, physical measurements, checklists, and laboratory tests. Hematological parameters and fasting blood glucose levels were determined from blood using Sysmex-XN550 and Cobas C311 analyzers, respectively. Blood smear was used to check Hematology analyzer output, and to screen participants for malaria parasites. Collected data were entered into Epi-data 3.1 and exported to SPSS-25. Data were analyzed by Chi-square, Mann-Whitney U-test, Kruskal-Wallis test, Post hoc test, and ROC curve. A P-value <0.05 was considered statistically significant. Results Total WBC, neutrophils, Monocyte, NLR, MLR, MPVLR, and PLR were significantly higher in poor glycemic and complicated T2DM; meanwhile, measured RBC parameters, RBC indices values were significantly lower in poor glycemic and complicated T2DM. The NLR, MLR, MPVLR, PLR, and NLR, MLR, MPVLR, RPR values were identified as predictors of poor glycemic and complication status in diabetic patients, respectively. Conclusion Significant increment of some hematological parameters and hemogram-derived markers, and their role in predicting poor glycemic and microvascular complications were identified in diabetic patients. Routine screening of hematological parameters and use of hemogram-derived markers for monitoring of altered health status in DM is very important in the improvement of patient quality of life.
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Affiliation(s)
| | - Girum Tesfaye Kiya
- School of Medical Laboratory Sciences, Jimma University, Jimma, Ethiopia
| | | | - Woyesa Beyene
- Department of Medical Laboratory Science, Dire Dawa University, Dire Dawa, Ethiopia
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Williams A, Bissinger R, Shamaa H, Patel S, Bourne L, Artunc F, Qadri SM. Pathophysiology of Red Blood Cell Dysfunction in Diabetes and Its Complications. PATHOPHYSIOLOGY 2023; 30:327-345. [PMID: 37606388 PMCID: PMC10443300 DOI: 10.3390/pathophysiology30030026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/01/2023] [Accepted: 08/01/2023] [Indexed: 08/23/2023] Open
Abstract
Diabetes Mellitus (DM) is a complex metabolic disorder associated with multiple microvascular complications leading to nephropathy, retinopathy, and neuropathy. Mounting evidence suggests that red blood cell (RBC) alterations are both a cause and consequence of disturbances related to DM-associated complications. Importantly, a significant proportion of DM patients develop varying degrees of anemia of confounding etiology, leading to increased morbidity. In chronic hyperglycemia, RBCs display morphological, enzymatic, and biophysical changes, which in turn prime them for swift phagocytic clearance from circulation. A multitude of endogenous factors, such as oxidative and dicarbonyl stress, uremic toxins, extracellular hypertonicity, sorbitol accumulation, and deranged nitric oxide metabolism, have been implicated in pathological RBC changes in DM. This review collates clinical laboratory findings of changes in hematology indices in DM patients and discusses recent reports on the putative mechanisms underpinning shortened RBC survival and disturbed cell membrane architecture within the diabetic milieu. Specifically, RBC cell death signaling, RBC metabolism, procoagulant RBC phenotype, RBC-triggered endothelial cell dysfunction, and changes in RBC deformability and aggregation in the context of DM are discussed. Understanding the mechanisms of RBC alterations in DM provides valuable insights into the clinical significance of the crosstalk between RBCs and microangiopathy in DM.
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Affiliation(s)
- Alyssa Williams
- Faculty of Science, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
- School of Biomedical Engineering, McMaster University, Hamilton, ON L8S 4M1, Canada
| | - Rosi Bissinger
- Division of Endocrinology, Diabetology and Nephrology, Department of Internal Medicine, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Hala Shamaa
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
| | - Shivani Patel
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
| | - Lavern Bourne
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
| | - Ferruh Artunc
- Division of Endocrinology, Diabetology and Nephrology, Department of Internal Medicine, University Hospital Tübingen, 72076 Tübingen, Germany
- Institute of Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research at the University of Tübingen, 72076 Tübingen, Germany
| | - Syed M. Qadri
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON L1G 0C5, Canada
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Li X, Chen M. Correlation of hemoglobin levels with diabetic retinopathy in US adults aged ≥40 years: the NHANES 2005-2008. Front Endocrinol (Lausanne) 2023; 14:1195647. [PMID: 37600684 PMCID: PMC10433903 DOI: 10.3389/fendo.2023.1195647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 07/14/2023] [Indexed: 08/22/2023] Open
Abstract
Purpose The aim of this study was to explore the connection between hemoglobin levels and diabetic retinopathy (DR). Methods Cross-sectional research used data from the National Health and Nutrition Examination Survey (NHANES) 2005-2008. A multiple logistic regression analysis was performed to investigate the association between DR and hemoglobin levels. Additionally, generalized additivity models and smoothed curve fitting were carried out. Results After adjusting for several covariates, there was a negative association between hemoglobin levels and DR in the study, which included 837 participants. The negative association between hemoglobin levels and DR was present in men and women, the obese (BMI > 30), and 60- to 69-year-olds in subgroup analyses stratified by sex, BMI, and age. The association between hemoglobin levels and DR in the normal weight group (BMI < 25) displayed an inverted U-shaped curve with an inflection point of 13.7 (g/dL). Conclusion In conclusion, our research reveals that high hemoglobin levels are related to a decreased risk of DR. Ascertaining the hemoglobin levels ought to be regarded as an integral facet of the monitoring regimen for patients with diabetic complications and that the risk of DR is reduced through the detection and management of hemoglobin levels.
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Affiliation(s)
- Xiao Li
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Meirong Chen
- Ophthalmology Department, Shandong Hospital of Traditional Chinese Medicine, Jinan, China
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Arkew M, Asmerom H, Gemechu K, Tesfa T. Global Prevalence of Anemia Among Type 2 Diabetic Adult Patients: A Systematic Review and Meta-Analysis. Diabetes Metab Syndr Obes 2023; 16:2243-2254. [PMID: 37545742 PMCID: PMC10402722 DOI: 10.2147/dmso.s421851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 07/25/2023] [Indexed: 08/08/2023] Open
Abstract
Background Anemia is a common and often overlooked hematological change observed in patients with diabetes mellitus. However, there is no global survey or health registry that estimates the pooled prevalence of anemia in patients with type 2 diabetes. Therefore, this study aimed to determine the global pooled prevalence of anemia among adult patients with type 2 diabetes. Methods This study was conducted in accordance with the Preferred Reporting Items for Systematic Review and Meta-Analysis guidelines. The study protocol was registered on PROSPERO with the reference number (CRD42022327135), and the link provided (https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42022327135) display the published methodology. Previously published articles were searched in PubMed/Medline, Cochrane Library, WHO Global Index Medicus, African Journals Online, ScienceDirect, Google Scholar, and Google from October 26 to November 09, 2022. The quality of the included studies was assessed using the Joanna Briggs Institute Critical Appraisal tool. Random-effects model was used to estimate the pooled prevalence of anemia. The degree of heterogeneity among the included studies was assessed using I2 statistics. Publication bias was detected using funnel plot symmetry analysis supplemented by Egger's and Begg's tests. Results Twenty-four studies with a total number of 19,118 participants were included in this systematic review and meta-analysis. The overall pooled prevalence of anemia among type 2 diabetic adult patients was 27.0% (95% CI: 24.0, 31.0, I2 = 96.45%; P< 0.001). Geographical and time-based subgroup analysis showed that higher prevalence of anemia was observed in Africa region 28.0% (95% CI: 17.0, 39.0) and from 2015 to 2022, 28.0% (95% CI: 24.0, 33.0), respectively. Conclusion Anemia is a moderate public health problem among adult patients with type 2 diabetes. Nearly one in four patients with type 2 diabetes develops anemia. Therefore, considering the negative impact of anemia, it is important to include anemia screening in the routine assessment of diabetes-related complications.
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Affiliation(s)
- Mesay Arkew
- School of Medical Laboratory Sciences, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
| | - Haftu Asmerom
- School of Medical Laboratory Sciences, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
| | - Kabtamu Gemechu
- School of Medical Laboratory Sciences, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
| | - Tewodros Tesfa
- School of Medical Laboratory Sciences, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
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Kelem A, Shiferaw E, Adane T. Hematological abnormalities and associated factors among metabolic syndrome patients at the University of Gondar comprehensive specialized hospital, Northwest Ethiopia. PLoS One 2023; 18:e0286163. [PMID: 37228109 DOI: 10.1371/journal.pone.0286163] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 05/10/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND Metabolic Syndrome (MetS) is a cluster of interconnected metabolic diseases. Hematological abnormalities are common but neglected complications of MetS. Thus, this study aimed to determine the magnitude of hematological abnormalities and their associated factors among MetS patients at the University of Gondar comprehensive specialized hospital, Northwest Ethiopia. METHOD A hospital-based cross-sectional study was conducted at the University of Gondar comprehensive specialized hospital from March to May 2022. A total of 384 MetS patients were selected using a systematic random sampling technique. Data were collected using pre-tested structured questionnaires and checklists. Anthropometric and blood pressure measurements were taken, and blood sample was collected for complete blood count determination. Stool and blood film examinations were performed to detect intestinal and malaria parasites, respectively. Data were entered into EpiData 3.1 and analyzed by Stata 14.0 software. Bivariate and multivariate logistic regression models were fitted to identify factors associated with hematological abnormalities. A p-value of < 0.05 was considered statistically significant. RESULTS The magnitude of anemia, leukopenia, leukocytosis, thrombocytopenia, and thrombocytosis was found to be 13.3%, 0.5%, 2.9%, 1.6%, and 2.3%, respectively. Being male (AOR = 2.65, 95% CI: 1.14, 6.20), rural residency (AOR = 5.79, 95% CI: 1.72, 19.51), taking antihypertensive medications (AOR = 3.85, 95% CI: 1.16, 12.78), having elevated triglyceride level (AOR = 2.21, 95% CI: 1.03, 4.75), and being overweight or obese (AOR = 0.32, 95% CI: 0.16, 0.64) were significantly associated with anemia. CONCLUSIONS Anemia was the most prevalent hematological abnormality identified in the present study, followed by leukocytosis and thrombocytosis. Anemia was a mild public health problem among MetS patients in the study area. Routine anemia screening for all MetS patients, especially for those with significant associated factors, may help in the early detection and effective management of anemia, which subsequently improves the patients' quality of life.
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Affiliation(s)
- Amanuel Kelem
- Department of Medical Laboratory Sciences, Asrat Woldeyes Health Science Campus, Debre Berhan University, Debre Berhan, Ethiopia
| | - Elias Shiferaw
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
| | - Tiruneh Adane
- Department of Hematology and Immunohematology, School of Biomedical and Laboratory Sciences, College of Medicine and Health Sciences, University of Gondar, Gondar, Ethiopia
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Hizomi Arani R, Fakhri F, Naeimi Tabiee M, Talebi F, Talebi Z, Rashidi N, Zahedi M. Prevalence of anemia and its associated factors among patients with type 2 diabetes mellitus in a referral diabetic clinic in the north of Iran. BMC Endocr Disord 2023; 23:58. [PMID: 36894956 PMCID: PMC9997001 DOI: 10.1186/s12902-023-01306-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 02/18/2023] [Indexed: 03/11/2023] Open
Abstract
BACKGROUND PURPOSE: This study intended to investigate the prevalence of anemia and its associated factors among patients with type 2 diabetes mellitus (T2DM) in Gorgan, Iran. METHODS This cross-sectional study was conducted on 415 (109 men) patients with T2DM referred to the referral diabetes clinic of Sayad Shirazi Hospital in Gorgan in 2021. Demographic information, anthropometric indices, past medical history, and some laboratory data on cell counts, serum blood glucose, HbA1c, creatinine, lipid/iron profiles, and urinary albumin were collected. The univariable and multivariable logistic regression analysis was applied to compute odds ratios (ORs) and 95% confidence intervals (CI) for potential associated factors, using SPSS version 21. The multivariable Model was adjusted for obesity, Hb A1c, T2DM duration, using glucose-lowering drugs (GLDs), chronic kidney disease (CKD), albuminuria, hypertriglyceridemia, and hypercholesterolemia. RESULTS: The prevalence of anemia was 21.5% [95%CI: 17.6-25.7] among our total participants. The corresponding values for men and women were 20.2 (13.1-29.0) and 21.9 (17.4-27.0), respectively.The adjusted model revealed that obesity (OR, 1.94 [95% CI, 1.17-3.23]), T2DM duration for more than five years (OR, 3.12 [1.78-5.47]), albuminuria (OR, 6.37 [3.13-10.91]), chronic kidney disease (OR, 4.30 [ 2.83-7.29]) and hypertriglyceridemia (OR, 1.72 [ 1.21-2.77]) were significantly associated with prevalent anemia among patients with T2DM. Moreover, using insulin separately or in combination with oral GLDs associated positively with the prevalence of anemia with ORs of 2.60 [1.42-6.42] and 1.87 [1.30-4.37] , respectively. CONCLUSION Anemia had a high prevalence among patients with T2DM in the north of Iran (about 22%), which is associated with obesity, hypertriglyceridemia, duration of T2DM, and diabetic kidney disease.
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Affiliation(s)
- Reyhane Hizomi Arani
- Prevention of Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farima Fakhri
- Metabolic Disorders Research Center, Research Institute for Endocrine Sciences, Kerman University of Medical Science, 7616913555, Kerman, Iran
| | - Mohammad Naeimi Tabiee
- Department of Internal Medicine, Hematology and Oncology disorders, Clinical Research Development Unit (CRDU), Sayad Shirazi Hospital, Golestan University of Medical Sciences, Gorgan, Iran
| | - Fatemeh Talebi
- Clinical Research Development Unit (CRDU), Sayad Shirazi Hospital, Golestan University of Medical Sciences, Gorgan, Iran
| | - Zahra Talebi
- Clinical Research Development Unit (CRDU), Sayad Shirazi Hospital, Golestan University of Medical Sciences, Gorgan, Iran
| | - Negin Rashidi
- Institute of Medical Science, University of Toronto, Toronto, CA, Canada
| | - Maryam Zahedi
- Department of Internal Medicine, Endocrinology and metabolic disorders, Clinical Research Development Unit (CRDU), Sayyad Shirazi Hospital, Golestan University of Medical Sciences, Gorgan, Iran.
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Heiran A, Azarchehry SP, Dehghankhalili S, Afarid M, Shaabani S, Mirahmadizadeh A. Prevalence of diabetic retinopathy in the Eastern Mediterranean Region: a systematic review and meta-analysis. J Int Med Res 2022; 50:3000605221117134. [PMID: 36314851 PMCID: PMC9629581 DOI: 10.1177/03000605221117134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Objectives Individual studies in the Eastern Mediterranean Region (EMR) have shown the high prevalence of diabetic retinopathy. We conducted a meta-analysis to yield an estimate of the prevalence of diabetic (type 1 and 2) retinopathy in the EMR. Additionally, we explored its potential modulators. Methods Two-step screening of relevant articles published from 1 January 2000 to 13 December 2019 was carried out. An estimation of summary proportions, subgroup analysis, meta-regression, and publication bias assessment were performed. Results One hundred nine articles were included in the meta-analysis, involving 280,566 patients. The prevalence of diabetic retinopathy was 31% (95% confidence interval [CI] = 28, 33). The highest and lowest diabetic retinopathy prevalence rates were observed in low human development index (HDI) countries (63.6; 95% CI = 52.4, 74.0) and very high HDI countries 22.6 (95% CI = 20.5, 24.7), respectively. Conclusions The prevalence of diabetic retinopathy is high in the EMR. Our results provide important information for diverse healthcare surveillance systems in the EMR to implement the modifiable risk factors, diabetes screening to decrease undiagnosed diabetes, early detection of retinopathy, and proper diabetes care to decrease untreated diabetes.
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Affiliation(s)
- Alireza Heiran
- Non-communicable Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran,Alireza Mirahmadizadeh, Non-communicable Diseases Research Center, Shiraz University of Medical Sciences, Zand Blvd, Shiraz, Iran. PO: 7193635899.
| | - Seyede Pegah Azarchehry
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | | | - Mehrdad Afarid
- Poostchi Ophthalmology Research Center, Department of Ophthalmology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sonia Shaabani
- Alzahra Cardiovascular Charitable Hospital, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Mirahmadizadeh
- Non-communicable Diseases Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Arabi A, Tadayoni R, Ahmadieh H, Shahraki T, Nikkhah H. Update on Management of Non-proliferative Diabetic Retinopathy without Diabetic Macular Edema; Is There a Paradigm Shift? J Ophthalmic Vis Res 2022; 17:108-117. [PMID: 35194501 PMCID: PMC8850856 DOI: 10.18502/jovr.v17i1.10175] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 11/11/2021] [Indexed: 12/23/2022] Open
Abstract
Diabetic retinopathy (DR) is the major cause of visual impairment and blindness in the working-age population. Conventional management for nonproliferative diabetic retinopathy (NPDR) without diabetic macular edema (DME) is derived from the findings of the Early Treatment Diabetic Retinopathy Study (ETDRS). Although the ETDRS protocol basically includes observation, selected cases of severe NPDR may undergo scatter laser photocoagulation. Post-hoc analysis of recent trials has shown that patients with NPDR receiving intravitreal anti-vascular endothelial growth factor (anti-VEGF) for DME would experience improvement in the DR severity scale (DRSS). In addition, recent randomized trials (PANORAMA and Protocol W) have revealed that early intervention with intravitreal aflibercept in eyes with moderately severe to severe NPDR is associated with significant improvement in DRSS and reduced vision-threatening complications of DR. Based on recent studies, it seems that the therapeutic approach to NPDR may undergo a substantial change and a paradigm shift toward considering early intervention with the administration of intravitreal anti-VEGF injections. However, the long-term results and the duration of adherence to anti-VEGF therapy for eyes with NPDR are not yet defined. It is also not apparent whether improvement in DRSS is a true disease modification. Studies showed that DRSS improvement is not associated with retinal reperfusion. In addition, DRCR.net Protocol W showed no visual acuity benefit with the early intravitreal aflibercept injection in moderate to severe NPDR as compared with performing observation plus intravitreal aflibercept applied only after progression to proliferative DR or vision-impairing DME. The cost-benefit ratio is also a challenge. Herein, we look at different aspects of early anti-VEGF application and discuss its pros and cons in the process of treating NPDR.
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Affiliation(s)
- Amir Arabi
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Ophthalmology, Torfeh Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ramin Tadayoni
- Université de Paris, Ophthalmology Department, AP-HP, Lariboisière, Saint Louis and Fondation Adolphe de Rothschild Hospitals, Paris, France
| | - Hamid Ahmadieh
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Ophthalmology, Labbafinejad Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Toktam Shahraki
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Ophthalmology, Imam Hossein Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Homayoun Nikkhah
- Ophthalmic Research Center, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Department of Ophthalmology, Torfeh Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Zeng F, Huang L, Zhang Y, Hong X, Weng S, Shen X, Zhao F, Yan S. Additive Effect of Sarcopenia and Anemia on the 10-Year Risk of Cardiovascular Disease in Patients with Type 2 Diabetes. J Diabetes Res 2022; 2022:2202511. [PMID: 35111851 PMCID: PMC8803444 DOI: 10.1155/2022/2202511] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE To investigate the association between sarcopenia and anemia and the 10-year cardiovascular disease risk in diabetic patients. METHODS A cross-sectional study was conducted involving 4673 hospitalized patients (2271 men and 2402 women) with type 2 diabetes mellitus, with an average age of 60.66 ± 11.93 years, of whom 542 were followed up for a median follow-up period of 24 months. All participants underwent body composition measurements, and they were grouped by sex and presence of sarcopenia using the Framingham risk model to assess their 10-year cardiovascular risk. According to the changes in the cardiovascular risk during follow-up, the patients were divided into four groups: low-low, low-high, high-low, and high-high. RESULTS The prevalence of anemia was higher in the sarcopenia group than in the nonsarcopenia group (11.5% vs. 24.1% for men, P < 0.001; 13.9% vs. 19.7% for women, P < 0.05), and the difference remained significant after adjusting for confounders. Patients with sarcopenia and without anemia had a 46.2% increased risk of high 10-year cardiovascular disease (CVD) (odds ratio (OR) = 1.462, 95% confidence interval (CI) 1.085-1.972, P = 0.013), and the risk was twofold higher in patients with sarcopenia and anemia than in those without (OR = 3.283, 95% CI 2.038-5.289, P < 0.001). In follow-up studies, sarcopenia was associated with an increased risk of CVD at 10 years, and a reduction in appendicular skeletal muscle mass index independently predicted the increased risk of CVD. CONCLUSION Sarcopenia is associated with an increased risk of anemia, and the presence of both has an additive effect on the 10-year CVD risk in patients with type 2 diabetes. Loss of muscle mass can independently predict an increased CVD risk in diabetic patients.
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Affiliation(s)
- Feihui Zeng
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
| | - Lingning Huang
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
| | - Yongze Zhang
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
| | - Xinyu Hong
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
| | - Suiyan Weng
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
| | - Ximei Shen
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
| | - Fengying Zhao
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
| | - Sunjie Yan
- Department of Endocrinology, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Clinical Research Center for Metabolic Diseases of Fujian Province, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Diabetes Research Institute of Fujian Province, The First Affiliated Hospital, Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
- Metabolic Diseases Research Institute, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong Road, Fuzhou, Fujian 350005, China
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Erez D, Shefler C, Roitman E, Levy S, Dovrish Z, Ellis M, Twito O. Anemia in Diabetes and Pre-Diabetes with Normal Kidney Function: Prevalence and Clinical Outcomes. Endocr Pract 2021; 28:129-134. [PMID: 34742906 DOI: 10.1016/j.eprac.2021.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/26/2021] [Accepted: 10/24/2021] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Anemia is a known complication of diabetes mellitus (DM); however, its prevalence and prognostic relevance in patients with DM and pre-DM with normal kidney function is not well-defined. This study assessed the prevalence of anemia in DM and pre-DM patients and evaluated its association with clinical outcomes during 4-years' follow-up. METHODS This retrospective analysis included patients with DM and pre-DM referred to the Meir Medical Center Endocrine Institute during 2015. Patients with estimated glomerular filtration rate (eGFR) <60 ml/min or other recognized cause of anemia were excluded. The risk of developing microvascular or macrovascular complications, or death during four years follow-up was determined. RESULTS A total of 622 patients (408 with DM and 214 with pre-DM) were included. Mean age was 64±10.6 years, and 70% were women. Baseline HbA1c was 7.1±1.7% and eGFR was 86.1±15.3 ml/min. At inclusion 77 (19%) patients with DM and 23 (11%) with pre-DM, had anemia (hemoglobin 11.9±0.8 and 11.8±0.8 g/dl, respectively) vs. normal hemoglobin levels of 13.8±0.9 and 13.7±0.9 g/dl, respectively in the others. Multivariable analysis demonstrated an inverse correlation between baseline hemoglobin (as a continuous variable) and mortality (P=0.035), microvascular complications (P=0.003) and eGFR decline (P<0.001), but not with macrovascular complications (P=0.567). CONCLUSION This study found a significant prevalence of anemia unrelated to renal failure, both in DM and pre-DM. Anemia in these patients is associated with development of microvascular complications, eGFR decline and mortality. These results underscore the need for intensive lifestyle and pharmacological interventions among these patients.
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Affiliation(s)
- Daniel Erez
- Department of Medicine D, Meir Medical Center, Kfar Saba, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Coral Shefler
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Department of Medicine A, Meir Medical Center, Kfar Saba, Israel
| | - Eytan Roitman
- Institute of Endocrinology, Diabetes and Metabolism, Meir Medical Center, Kfar Saba, Israel
| | - Sigal Levy
- School of Behavioral Sciences, The Academic College of Tel Aviv-Yaffo, Tel Aviv, Israel
| | - Zamir Dovrish
- Department of Medicine D, Meir Medical Center, Kfar Saba, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Martin Ellis
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Department of Hematology, Meir Medical Center, Kfar Saba, Israel
| | - Orit Twito
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Institute of Endocrinology, Diabetes and Metabolism, Meir Medical Center, Kfar Saba, Israel
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Atlaw D, Tariku Z. Magnitude and factors associated with anemia among diabetic patients in Ethiopia: A systematic review and meta-analysis. SAGE Open Med 2021; 9:20503121211031126. [PMID: 34290867 PMCID: PMC8274127 DOI: 10.1177/20503121211031126] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/21/2021] [Indexed: 12/16/2022] Open
Abstract
Background: In Ethiopia, diabetes is estimated to affect about half a million people. About 35% of individuals with diabetes are complicated by microvascular diseases like retinopathy, nephropathy, cardiovascular, and anemia. Even though there are some studies conducted on prevalence and associated factors of anemia in diabetic patients, their findings were variable. Therefore, this meta-analysis is aimed to determine the pooled prevalence and factors associated with anemia among diabetic patients. Methods: PubMed, CINAHL, POPLINE, ScienceDirect, African Journals Online, and Google Scholar were systematically searched to identify related studies. The heterogeneity of studies was assessed using Cochran’s Q test and I2 tests. A random-effects model was used to estimate the pooled prevalence of anemia among diabetic patients in Ethiopia. Publication bias was evaluated by employing Egger’s tests. Results: After reviewing 503 articles, 6 articles fulfilled inclusion criteria and remained for the final meta-analysis. The pooled prevalence of anemia among diabetic patients was 24.81% (95% confidence interval: 19.38–30.25). Age greater than 60 years old (pooled odds ratio, 95% confidence interval: 3.73 (2.23–6.77)), glomerular filtration rate less than 60 mL/min/1.73 m2 (pooled odds ratio, 95% confidence interval: 12.65 (8.71–18.37)), and being diabetic for more than 10 years (pooled odds ratio, 95% confidence interval: 10.21 (7.00–15.04)) were found to be determinants of anemia among diabetic patients in Ethiopia. Conclusion: Overall, one in four diabetic patients develops anemia in Ethiopia. Age, glomerular filtration rate, and duration of being diabetic are factors significantly associated with the occurrence of anemia in diabetic patients.
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Affiliation(s)
- Daniel Atlaw
- Department of Anatomy, School of Medicine, Madda Walabu University Goba Referral Hospital, Bale-Goba, Ethiopia
| | - Zerihun Tariku
- Department of Public Health, College of Medicine and Health Sciences, Dire Dawa University, Dire Dawa, Ethiopia
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13
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May C-peptide index be a new marker to predict proteinuria in anemic patients with type 2 diabetes mellitus? Endocr Regul 2021; 54:1-5. [PMID: 32597149 DOI: 10.2478/enr-2020-0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE C-peptide is a reliable marker of beta cell reserve and is associated with diabetic complications. Furthermore, HbA1c level is associated with micro- and macro-vascular complications in diabetic patients. HbA1c measurement of diabetic patients with anemia may be misleading because HbA1c is calculated in percent by taking reference to hemoglobin measurements. We hypothesized that there may be a relationship between C-peptide index (CPI) and proteinuria in anemic patients with type 2 diabetes mellitus (T2DM). Therefore, the aim of the present study was to investigate the association between C-peptide levels and CPI in anemic patients with T2DM and proteinuria. METHODS The patients over 18 years of age with T2DM whose C-peptide levels were analyzed in Endocrinology and Internal medicine clinics between 2014 and 2018 with normal kidney functions (GFR>60 ml/min) and who do not use any insulin secretagogue oral antidiabetic agent (i.e. sulfonylurea) were enrolled into the study. RESULTS Hemoglobin levels were present in 342 patients with T2DM. Among these 342 cases, 258 (75.4%) were non-anemic whereas 84 (24.6%) were anemic. The median DM duration of the anemic group was statistically significantly higher in T2DM (p=0.003). There was no statistically significant difference found in proteinuria prevalence between non-anemic and anemic patient groups (p=0.690 and p=0.748, respectively). Anemic T2DM cases were corrected according to the age, gender, and duration of DM. C-peptide and CPI levels were not statistically significant to predict proteinuria (p=0.449 and p=0.465, respectively). CONCLUSION The present study sheds light to the association between C-peptide, CPI, and anemic diabetic nephropathy in T2DM patients and indicates that further prospective studies are needed to clarify this issue.
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Prevalence of Anaemia and Its Associated Factors among Type 2 Diabetes Mellitus Patients in University of Gondar Comprehensive Specialized Hospital. Anemia 2021; 2021:6627979. [PMID: 33628496 PMCID: PMC7889375 DOI: 10.1155/2021/6627979] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 02/01/2021] [Accepted: 02/04/2021] [Indexed: 11/17/2022] Open
Abstract
Background Anaemia is one of the commonest blood disorders seen in patients with diabetes. In Ethiopia, chronic illnesses are tremendously raising with their complications. But very little research has been conducted, particularly on anaemia among diabetes mellitus (DM) patients. Therefore, this study aimed at assessing the prevalence of anaemia and associated factors among type 2 diabetes mellitus patients in Northwest Ethiopia. Methods A cross-sectional study design was employed at University of Gondar Comprehensive Specialized Hospital from March 1 to April 15, 2019, among 372 type 2 diabetes mellitus patients (T2DM). Multivariable logistic regression analysis was fitted, and the corresponding adjusted odds ratio (AOR) and 95% CI were used to identify factors associated with anaemia. Level of significance was declared at the p value less than 0.05. Results The study revealed 8.06% (95% CI: 5.68-11.31%) of the participants were anaemic. Being male (AOR = 2.74, CI: 1.02, 7.38), combined type of treatment (AOR = 8.38, CI: 1.66, 42.25), having diabetes-related microvascular complications (AOR = 3.24, CI: 1.14, 9.26), and hypertension (AOR = 0.01, CI: 0.002, 0.06) were the significant factors associated with anaemia. Conclusions The finding of the current study revealed low prevalence of anaemia among T2DM patients. Sex, type of treatment, diabetes-related microvascular complications, and hypertension were factors associated with anaemia. Assessment of haemoglobin levels among T2DM patients may help to prevent ensuing microvascular complications. Incorporate anaemia screening into the routine assessment of diabetic complication particularly for those who are hypertensive and took combined treatment to allow early appreciation and treatment of anaemia and later improve the overall care of patients with diabetes.
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Michalak SS, Wolny-Rokicka E, Nowakowska E, Michalak M, Gil L. Clinical Implications of the Coexistence of Anemia and Diabetes Mellitus in the Elderly Population. J Diabetes Res 2021; 2021:8745968. [PMID: 34708130 PMCID: PMC8545586 DOI: 10.1155/2021/8745968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 08/23/2021] [Accepted: 09/30/2021] [Indexed: 11/18/2022] Open
Abstract
Diabetes mellitus (DM) and also anemia are common in the elderly and have a negative impact on the clinical outcomes of patients. The coexistence of anemia and DM seems to be insufficiently recognized; therefore, the aim of our study is to analyze the incidence and clinical consequences of this coexistence, including mortality, in the population of people aged ≥60. A retrospective study was conducted on 981 primary care clinic patients aged ≥60 during 2013-2014. The prevalence of coexistence of DM and anemia (defined in accordance with WHO) and data on the incidence of comorbidities, hospitalization, medical procedures, and all-cause mortality were analyzed. In the study population, 25% had DM, while 5.4% had both DM and anemia. Peripheral artery disease (PAD) was found in 48 patients (4.89%) of the entire study population, more often in men (p < 0.001). Diabetic patients with anemia compared to nonanemic diabetics had more comorbidities (median 4 (4, 5) vs. 3 (2-4); p < 0.001)-PAD more often (p = 0.004), more hospitalization (median 2 (0-11) vs. 0 (0-11); p < 0.001), and more frequent medical procedures (e.g., percutaneous coronary intervention (p < 0.001), coronary artery bypass surgery (p = 0.027), arteriography (p < 0.001), and bypass surgery or endovascular treatments of lower limb ischemia (p < 0.001)). The cumulative survival of patients with both DM and anemia vs. nonanemic diabetics at 36 months was 86.4% vs. 99.3% (p < 0.001). A multivariate logistic regression model showed anemia to be a significant risk factor for death in diabetic patients (p = 0.013). Patients with both DM and anemia have more comorbidities than nonanemic diabetic patients; they are more often hospitalized, require medical procedures more frequently, and are at a higher risk of death. Effective treatment of anemia in patients with DM is advisable and may well improve the prognosis of patients.
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Affiliation(s)
- S. S. Michalak
- Department of Pharmacology and Toxicology, Collegium Medicum, University of Zielona Gora, Zielona Gora, Poland
| | - E. Wolny-Rokicka
- Department of Radiotherapy, Multidisciplinary Hospital, Gorzow Wielkopolski, Poland
| | - E. Nowakowska
- Department of Pharmacology and Toxicology, Collegium Medicum, University of Zielona Gora, Zielona Gora, Poland
| | - M. Michalak
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, Poznan, Poland
| | - L. Gil
- Department of Hematology and Bone Marrow Transplantation, Poznan University of Medical Sciences, Poznan, Poland
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The Impact of CKD Anaemia on Patients: Incidence, Risk Factors, and Clinical Outcomes-A Systematic Literature Review. Int J Nephrol 2020; 2020:7692376. [PMID: 32665863 PMCID: PMC7349626 DOI: 10.1155/2020/7692376] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 04/25/2020] [Indexed: 12/15/2022] Open
Abstract
Anaemia is a common consequence of chronic kidney disease (CKD); however, the risk factors for its development and its impact on outcomes have not been well synthesised. Therefore, we undertook a systematic review to fully characterise the risk factors associated with the presence of anaemia in patients with CKD and a contemporary synthesis of the risks of adverse outcomes in patients with CKD and anaemia. We searched MEDLINE, EMBASE, and the Cochrane Library from 2002 until 2018 for studies reporting the incidence or prevalence of anaemia and associated risk factors and/or associations between haemoglobin (Hb) or anaemia and mortality, major adverse cardiac events (MACE), hospitalisation, or CKD progression in adult patients with CKD. Extracted data were summarised as risk factors related to the incidence or prevalence of anaemia or the risk (hazard ratio (HR)) of outcome by Hb level (<10, 10-12, >12 g/dL) in patients not on dialysis and in those receiving dialysis. 191 studies met the predefined inclusion criteria. The risk factor most associated with the prevalence of anaemia was CKD stage, followed by age and sex. Mean HRs (95% CI) for all-cause mortality in patients with CKD on dialysis with Hb <10, 10-12, and >12 g/dL were 1.56 (1.43-1.71), 1.17 (1.09-1.26), and 0.91 (0.87-0.96), respectively. Similar patterns were observed for nondialysis patients and for the risks of hospitalisation, MACE, and CKD progression. This is the first known systematic review to quantify the risk of adverse clinical outcomes based on Hb level in patients with CKD. Anaemia was consistently associated with greater mortality, hospitalisation, MACE, and CKD progression in patients with CKD, and risk increased with anaemia severity. Effective treatments that not only treat the anaemia but also reduce the risk of adverse clinical outcomes are essential to help reduce the burden of anaemia and its management in CKD.
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Red Blood Cells Aggregation in the Patients with Type 2 Diabetes and T2D Associated Anemia, a Case Control Study in Bangladesh. ROMANIAN JOURNAL OF DIABETES NUTRITION AND METABOLIC DISEASES 2020. [DOI: 10.2478/rjdnmd-2019-0044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Background and Aims: Type 2 Diabetes (T2D) is a chronic metabolic disorder. Nowadays the number of people with diabetes mellitus is quadrupling in the world as well as in Bangladesh. It is related to different types of disease morbidity and sociodemographic parameters. The present study aimed to investigate the association of RBC aggregation (measured by ESR level) with T2D and T2D associated anemia.
Material and method: A total of 234 subjects were included in the study. Sociodemographic and anthropometric information about study subjects were collected using a standard questionnaire. Blood samples were tested for random blood glucose levels, Hb percentage, and ESR. Association of these data with metabolic disorders was analyzed by statistical analysis software, SPSS.
Results:
This study provides a piece of evidence that anemia is highly prevalent in T2D patients than the healthy control subjects in Bangladesh (59.1% vs 22.5%; P value <0.001). The ESR values were significantly elevated in T2D patients as well as anemic and aged subjects (P value <0.001).
Conclusion:
The study thus suggests that anemia was prevalent in T2D patients in Bangladesh. The RBC aggregation was significantly elevated in patients with T2D as well as anemia, indicating increased inflammatory response in these diseases.
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Taderegew MM, Gebremariam T, Tareke AA, Woldeamanuel GG. Anemia and Its Associated Factors Among Type 2 Diabetes Mellitus Patients Attending Debre Berhan Referral Hospital, North-East Ethiopia: A Cross-Sectional Study. J Blood Med 2020; 11:47-58. [PMID: 32104127 PMCID: PMC7023873 DOI: 10.2147/jbm.s243234] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Accepted: 02/04/2020] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Anemia is one of the common complications of diabetes mellitus (DM), which has an adverse effect on the progression and development of other diabetes-related complications. In spite of this, relatively little information is available on the prevalence of anemia and associated factors among type 2 diabetes mellitus (T2DM) patients in Ethiopia, particularly in the study area. Thus, this study assessed the prevalence of anemia and associated factors among T2DM patients at Debre Berhan Referral Hospital (DBRH), North-East, Ethiopia. PATIENTS AND METHODS A hospital-based cross-sectional study was conducted from April 1 to May 30, 2019, among 249 T2DM patients with follow up at DBRH, selected using a systematic random sampling technique. Data were collected by face-to-face interviews, anthropometric measurements, and laboratory tests; such as hemoglobin measurements, red blood indices, and serum creatinine analysis. The data were coded and entered into Epi-data manager version 4.4.1.0, and analysis by using SPSS version 22 was carried out. To identify the determinant factors of anemia, bivariate and multivariate logistic regression analyses were performed. P-value <0.05 was considered as statistically significant. RESULTS The study showed 20.1% of the participants were anemic. Being age >60 years (AOR=3.06, 95% CI: 1.32-7.11), poor glycemic control (AOR=2.95, 95% CI: 1.22-7.15), eGFR 60-89.9 mL/min/1.73m2 (AOR=2.91, 95% CI: 1.15-7.37), eGFR <60 mL/min/1.73m2 (AOR=6.58, 95% CI: 2.42-17.93), DM duration >10 years (AOR= AOR=2.75, 95% CI: 1.17-6.48), and having diabetic complications (AOR=3.81, 95% CI: 1.65-8.81) were significantly associated with anemia. CONCLUSION One out of five T2DM patients had anemia. Poor glycemic control, decreased eGFR, presence of DM complications, duration of DM >10 years, and age >60 years were significantly associated with the occurrence of anemia among T2DM. Regular screening for anemia in all T2DM patients may help in the early detection and management of anemia.
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Affiliation(s)
- Mitku Mammo Taderegew
- Department of Biomedical Sciences, College of Medicine and Health Sciences, Wolkite University, Wolkite, Ethiopia
| | - Tewodros Gebremariam
- Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Amare Abera Tareke
- Department of Biomedical Sciences, Institute of Health, Jimma University, Jimma, Ethiopia
| | - Gashaw Garedew Woldeamanuel
- Department of Biomedical Sciences, College of Medicine and Health Sciences, Wolkite University, Wolkite, Ethiopia
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Kazeminia M, Salari N, Mohammadi M. Prevalence of Cardiovascular Disease in Patients with Type 2 Diabetes Mellitus in Iran: A Systematic Review and Meta-Analysis. J Diabetes Res 2020; 2020:3069867. [PMID: 33062709 PMCID: PMC7533794 DOI: 10.1155/2020/3069867] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 07/31/2020] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Type 2 diabetes mellitus (DM) is the most common type of DM and accounts for 90% of the cases. One of the most important complications of type 2 DM is cardiovascular complications, which are the most common cause of mortality in patients with DM. Various studies have reported different incidence rates of cardiovascular disease in patients with type 2 DM. However, no comprehensive review of previous studies has been done. This study is aimed at determining the prevalence of cardiovascular disease in patients with type 2 diabetes mellitus in Iran with a systematic review and meta-analysis. METHODS In this review, studies were first extracted searching domestic and international databases including SID, MagIran, IranMedex, IranDoc, Cochrane, Embase, ScienceDirect, Scopus, PubMed, and Web of Science (ISI), published between 2001 and September 2019. The random effects model was adopted for the analysis, and heterogeneity of the extracted studies was investigated with the I 2 index. The data collected from the extracted studies were analyzed using a comprehensive meta-analysis (Version 2) software. RESULTS The prevalence of cardiovascular disease in patients with type 2 DM in Iran in 17 studies with a sample size of 9656 was 37.4% (95% CI: 31.4-43.8). Based on meta-regression, there was a significant difference on the effect of year of conducting the study and sample size with the prevalence of cardiovascular disease in patients with type 2 DM in Iran (p ≤ 0.001). CONCLUSION The results of this study indicated that there was a high prevalence rate of cardiovascular disease in patients with type 2 DM in Iran. Therefore, appropriate strategies should be taken to improve this situation and trace and supervise it at all levels, providing feedback to hospitals.
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Affiliation(s)
- Mohsen Kazeminia
- Department of Nursing, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nader Salari
- Department of Biostatistics, School of Health, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Masoud Mohammadi
- Department of Nursing, School of Nursing and Midwifery, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Bekele A, Teji Roba K, Egata G, Gebremichael B. Anemia and associated factors among type-2 diabetes mellitus patients attending public hospitals in Harari Region, Eastern Ethiopia. PLoS One 2019; 14:e0225725. [PMID: 31805098 PMCID: PMC6894806 DOI: 10.1371/journal.pone.0225725] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 11/11/2019] [Indexed: 01/20/2023] Open
Abstract
Background Anemia is a common complication of diabetes mellitus, therefore having a major impact on the overall health and survival of diabetic patients. However, there is a paucity of evidence of anemia among diabetic patients in Ethiopia, particularly in Harari Region. Therefore, this study aimed to assess the magnitude of anemia and associated factors among Type 2 Diabetes Mellitus (T2DM) patients attending public hospitals in Harari Region, Eastern Ethiopia. Methods A hospital based cross-sectional study was conducted from February 25 to March 30, 2019. Probability proportion to size sampling, followed by simple random sampling, was utilized to select 374 T2DM patients. To collect the data, mixed methods were applied using questionnaires and checklist. Participants were tested for anemia based on World Health Organization (WHO) criteria. Data was double entered to EpiData version 3.1 and exported into Stata version 14.0 for statistical analysis. Bivariate and multivariate logistic regression models were fitted; Crude Odds Ratio (COR) and Adjusted Odds Ratio (AOR) with 95% Confidence Interval (CI) were computed. Level of significance was declared at p-value less than 0.05. Results The study revealed 34.8% of the participants were anemic (CI: 28.7, 40.9). Being male (AOR = 2.92, CI: 1.65, 5.17), physical inactivity (AOR = 2.58, CI: 1.50, 4.44), having nephropathy (AOR = 2.43, CI: 1.41, 4.21), poor glycemic control (AOR = 1.98, CI: 1.17, 3.34), recent history of blood loss (AOR = 4.41, CI: 1.26, 15.44) and duration of diabetes for five years and greater(AOR = 1.72, CI: 1.01, 2.96)were all significantly associated with anemia. Conclusions Anemia was a major health problem among T2DM patients in the study area. Therefore, routine screening of anemia for all T2DM patients aiding in early identification and improved management of diabetes will lead to improved quality of life in this patient population.
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Affiliation(s)
| | - Kedir Teji Roba
- School of Nursing and Midwifery, Haramaya University, Harar, Ethiopia
| | - Gudina Egata
- School of Public Health, Haramaya University, Harar, Ethiopia
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Fiseha T, Adamu A, Tesfaye M, Gebreweld A. Prevalence of anemia in diabetic adult outpatients in Northeast Ethiopia. PLoS One 2019; 14:e0222111. [PMID: 31498832 PMCID: PMC6733511 DOI: 10.1371/journal.pone.0222111] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 08/21/2019] [Indexed: 02/07/2023] Open
Abstract
Background Anemia is a common finding in patients with diabetes, even in the absence of kidney disease and is a risk factor for adverse outcomes, including all-cause and cardiovascular mortality. Despite this, relatively little is known about the burden of anemia among adults with diabetes in sub-Saharan Africa. The aim of this study was to determine the prevalence of anemia and its association with renal disease among diabetic adult outpatients attending a hospital in Northeast Ethiopia. Methods A cross-sectional study was conducted among 412 diabetic adults at the diabetes clinic of Dessie Referral hospital in Northeast Ethiopia, from January to April 2018. Each patient provided a blood sample for hemoglobin and serum creatinine levels and urine for albuminuria. Anemia was defined by World Health Organization criteria (<13 g/dl for men and <12 g/dl for women). Glomerular filtration rate (GFR) was estimated using the 4-variable Modification of Diet in Renal Disease (MDRD) equation. Chronic kidney disease (CKD) was classified into 5 stages based on the eGFR and albuminuria. Results Anemia was present in 26.7% of the participants, and CKD in 43.0%. Anemia was more prevalent in patients with CKD (39.5%) than those without CKD (17.0%; P < 0.001). The prevalence of anemia increased with stage of CKD, from 22.6% at stage 1 to 100% at stage 4. Fifteen percent of the patients had anemia below the treatment threshold of 11 g ⁄dl. In multivariate analysis, older age (AOR = 2.41, 95% CI 1.11–5.21); type 2 diabetes (AOR = 2.40, 95% CI 1.14–5.08); presence of hypertension (AOR = 3.78, 95% CI 1.35–10.57); high systolic BP (AOR = 1.05, 95% CI 1.02–1.08); serum creatinine (AOR = 12.80, 95% CI 3.90–87.98) and low GFR (AOR = 9.50, 95% CI 4.05–22.28) were independently associated with greater odds for the presence of anemia Conclusions Anemia is commonly present among diabetic adults attending our diabetes outpatient clinic in Northeast Ethiopia, including those without kidney disease. Our findings highlight the need for incorporating anemia screening into routine diabetes care to enable early detection and treatment of anemia and hence improve the overall care of patients with diabetes.
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Affiliation(s)
- Temesgen Fiseha
- Department of Clinical Laboratory Science, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
- * E-mail:
| | - Aderaw Adamu
- Department of Clinical Laboratory Science, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
| | - Melkam Tesfaye
- Department of Clinical Laboratory Science, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
| | - Angesom Gebreweld
- Department of Clinical Laboratory Science, College of Medicine and Health Sciences, Wollo University, Dessie, Ethiopia
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22
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Sadat Mahmoudi Nezhad G, Razeghinejad R, Janghorbani M, Mohamadian A, Hassan Jalalpour M, Bazdar S, Salehi A, Molavi Vardanjani H. Prevalence, Incidence and Ecological Determinants of Diabetic Retinopathy in Iran: Systematic Review and Meta-analysis. J Ophthalmic Vis Res 2019; 14:321-335. [PMID: 31660112 PMCID: PMC6815336 DOI: 10.18502/jovr.v14i3.4790] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Accepted: 04/06/2019] [Indexed: 12/18/2022] Open
Abstract
Purpose
To estimate the pooled prevalence and incidence of diabetic retinopathy (DR) in Iran and to investigate their correlations with the Human Development Index (HDI), healthcare access (i.e., density of specialists and sub-specialists), and methodological issues. Methods
Electronic databases such as PubMed, Embase, Scopus, Web of Science, Google Scholar, and local databases were searched for cohort and cross-sectional studies published prior to January 2018. Prevalence and incidence rates of DR were extracted from January 2000 to December 2017 and random effects models were used to estimate pooled effect sizes. The Joanna Briggs Institute critical appraisal tool was applied for quality assessment of eligible studies. Results A total of 55,445 participants across 33 studies were included. The pooled prevalence (95% CI) of DR in diabetic clinics (22 studies), eye clinics (4 studies), and general population (7 studies) was 31.8% (24.5 to 39.2), 57.8% (50.2 to 65.3), and 29.6% (22.6 to 36.5), respectively. It was 7.4% (3.9 to 10.8) for proliferative DR and 7.1% (4.9 to 9.4) for clinically significant macular edema. The heterogeneity of individual estimates of prevalence was highly significant. HDI (P < 0.001), density of specialists (P = 0.004), subspecialists (P < 0.001), and sampling site (P = 0.041) were associated with heterogeneity after the adjustment for type of DR, duration of diabetes, study year, and proportion of diabetics with controlled HbA1C. Conclusion Human development and healthcare access were correlated with the prevalence of DR. Data were scarce on the prevalence of DR in less developed provinces. Participant recruitment in eye clinics might overestimate the prevalence of DR.
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Affiliation(s)
- Golnoush Sadat Mahmoudi Nezhad
- MPH Department, Shiraz University of Medical Sciences, Shiraz, Iran.,Poostchi Ophthalmology Research Center, Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran.,Glaucoma Division, Stein Eye Institute, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA
| | | | - Mohsen Janghorbani
- Department of Epidemiology and Biostatistics, School of Public Health, Isfahan University of Medical Sciences, Isfahan, Iran.,Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Mohamadian
- Poostchi Ophthalmology Research Center, Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran.,Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hassan Jalalpour
- Poostchi Ophthalmology Research Center, Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Somaye Bazdar
- MPH Department, Shiraz University of Medical Sciences, Shiraz, Iran.,Poostchi Ophthalmology Research Center, Department of Ophthalmology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Alireza Salehi
- MPH Department, Shiraz University of Medical Sciences, Shiraz, Iran
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23
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Bui HDT, Jing X, Lu R, Chen J, Ngo V, Cui Z, Liu Y, Li C, Ma J. Prevalence of and factors related to microvascular complications in patients with type 2 diabetes mellitus in Tianjin, China: a cross-sectional study. ANNALS OF TRANSLATIONAL MEDICINE 2019; 7:325. [PMID: 31475195 DOI: 10.21037/atm.2019.06.08] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Background Since chronic hyperglycemia-related damage to small blood vessels results in complications, patients with longer durations of type 2 diabetes mellitus (T2DM) are more likely to develop microvascular complications, such as retinopathy, neuropathy and nephropathy, which are very harmful to the health of humans. Therefore, this study aimed to assess the prevalence of diabetes-related microvascular complications and to explore their risk factors in patients with T2DM in Tianjin, China. Methods This observational, cross-sectional study was conducted at 8 hospitals in urban and suburban regions of Tianjin, China. The information collected from the subjects mainly included demographic characteristics, anthropometric measurements and clinical information. Univariate and multivariate logistic regression was used to identify the possible risk factors for microvascular complications (retinopathy, neuropathy and nephropathy). Results A total of 4,490 patients with T2DM from 8 hospitals in Tianjin, China were selected from November 2015 to January 2016. Of the study subjects, 2,270 (50.6%) were males. The median age was 64.0±13.0 years. The percentage of patients with T2DM who had at least one microvascular complication was 34.5%. The prevalence rates of neuropathy, retinopathy, and nephropathy were 23.5%, 17.4%, and 10.8%, respectively. The results of the multivariate logistic regression showed that the duration of diabetes, insulin use, and the presence of hypertension and dyslipidemia were the main risk factors for developing microvascular complications of T2DM. Conclusions The incidence of diabetes complications in Tianjin is high. Increasing the control of risk factors can reduce the occurrence of complications to reduce the disease burden and improve the quality of life of patients.
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Affiliation(s)
- Huyen Dieu Thi Bui
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China.,Department of Health Sociology, Faculty of Public Health, Thai Binh University of Medicine and Pharmacy, Thai Binh, Viet Nam
| | - Xiyue Jing
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Rui Lu
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Jiageng Chen
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - VanManh Ngo
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China.,Department of Postgraduate Training Management, Thai Binh University of Medicine and Pharmacy, Thai Binh, Viet Nam
| | - Zhuang Cui
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Yuanyuan Liu
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Changping Li
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
| | - Jun Ma
- Department of Health Statistics, College of Public Health, Tianjin Medical University, Tianjin 300070, China
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24
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Abdel-Moneim A, Abdel-Reheim ES, Semmler M, Addaleel W. The Impact of Glycemic Status and Metformin Administration on Red Blood Cell Indices and Oxidative Stress in Type 2 Diabetic Patients. Malays J Med Sci 2019; 26:47-60. [PMID: 31496893 PMCID: PMC6719883 DOI: 10.21315/mjms2019.26.4.6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 05/03/2019] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Most guidelines all over the world recommended metformin as the first-line treatment for in type 2 diabetic patients. Therefore, the present study was suggested to assess the outcome of metformin administration and glycemic status on alterations in red blood cell (RBCs) indices as well as the oxidative stress in type 2 diabetic patients. METHODS Between December 2016 and October of 2017, a total of 158 eligible individuals were classified as 50 healthy subjects and 108 diabetic patients who were subdivided into six groups according to the type of anti-diabetic treatments. RESULTS Overall, the results elucidated that hemoglobin concentration was markedly diminished, while red cell distribution width (RDW) value was significantly (P < 0.001) elevated in all diabetic groups as compared to control. Moreover, in all diabetic groups, malondialdehyde (MDA) concentration was elevated noticeably (P < 0.001), while reduced glutathione (GSH) revealed a lower concentration (P < 0.001) than that of control. CONCLUSION The present study exhibited the amelioration effect of metformin administration on oxidative stress and glycemic status which reflected on some RBCs indices. However, hemoglobin concentration showed a noticeable diminution in all metformin-treated groups in spite of the improvement in glycemic and oxidative stress status which indicated that the metformin-induced anemia is independently from diabetic complications.
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Affiliation(s)
- Adel Abdel-Moneim
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Egypt
| | | | - Margit Semmler
- Diabetes Research Institute, Düsseldorf University, Düsseldorf, Germany
| | - Wessam Addaleel
- Physiology Division, Zoology Department, Faculty of Science, Beni-Suef University, Egypt
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25
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Wee YH, Anpalahan M. The Role of Older Age in Normocytic Anaemia in Type 2 Diabetes Mellitus. Curr Aging Sci 2019; 12:76-83. [PMID: 31244445 DOI: 10.2174/1874609812666190627154316] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 06/05/2019] [Accepted: 06/11/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Older age has a significant association with anaemia. However, this has not been adequately investigated in the context of specific comorbidities such as Type 2 Diabetes Mellitus (T2DM). OBJECTIVES To investigate the role of age in Normocytic Anaemia (NCA) and the adverse outcomes of NCA in T2DM. METHODS Patients with NCA, either unexplained or related to Chronic Kidney Disease (CKD), were recruited from a diabetic clinic over six months. Anaemia was defined as a haemoglobin(Hb) < 130g/l for men and <120g/l for women. The relevant data were obtained by interviewing patients and review of medical records. Patients were followed for 12 months for pre-defined adverse outcomes. RESULTS Of the 354 patients assessed, 203 were included (mean age 63.12 ± 13.62 years, males 49.8%). The prevalence of NCA was 24% (49). Older age had a significant univariate association with NCA (p < 0.001) and this remained significant (adjusted Odds Ratio (OR) 1.24, 95% CI 1.16- 5.29) after adjusting for estimated Glomerular Filtration Rate (eGFR) < 60ml/min/1.73m2, albuminuria and other potential confounders. Adjusting for eGFR as a continuous variable also confirmed this significant association (OR1.15, 95% CI 1.10-7.01). In the subgroup of patients aged ≥ 75 years, only older age was significantly associated with NCA. The incidence of all-cause mortality and composite cardiovascular/cerebrovascular events was similar in the anaemic and nonanaemic groups. CONCLUSION NCA is common in T2DM and has a significant association with older age independent of CKD. The anaemia is mild in most patients and appears to have a benign course.
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Affiliation(s)
- Yen H Wee
- Department of Aged Care and Rehabilitation, General Medicine, Alfred Health, Melbourne, Australia.,Department of General Medicine, Eastern Health, Melbourne, Australia
| | - Mahesan Anpalahan
- Department of General Medicine, Eastern Health, Melbourne, Australia.,Department of Medicine, Monash University, Melbourne, Australia.,Department of Medicine, The University of Melbourne, Melbourne, Australia
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26
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Moradi Y, Baradaran HR, Djalalinia S, Chinekesh A, Khamseh ME, Dastoorpoor M, Sioofy-Khojine AB, Saed L, Qorbani M. Complications of type 2 diabetes in Iranian population: An updated systematic review and meta-analysis. Diabetes Metab Syndr 2019; 13:2300-2312. [PMID: 31235172 DOI: 10.1016/j.dsx.2019.05.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 05/22/2019] [Indexed: 01/17/2023]
Abstract
Complications among patients with type 2 diabetes mellitus (T2DM) have increased dramatically through two past decades. Thus, the aim of this updated systematic review and meta-analysis was to estimate the pooled prevalence of T2DM complications in Iranian patients. Using Medical Subject Headings terms, Emtree, and related equal Persian key words, international databases including PubMed, ISI/WOS, Scopus, Iran Medex, SID, Magiran, Irandoc, Medlib, domestic databases were searched from January 1990 till January 2018 reporting prevalence of any complications of type 2 diabetes in Iran. All the keywords were searched electronically by two Boolean operators through the explained search strategy, separately. Relevant additional articles were identified from the lists of the retrieved articles. Random and fixed effect meta-analysis was used to estimate the pooled prevalence of complications in Iranian patients with T2DM. Through searching steps, among 1238 publications retrieved from literature search, finally 45 studies met the inclusion criteria for meta-analysis, with number of 30679 participants. According to random effect, the estimated pooled prevalence of diabetic foot ulcer, cardiovascular disease, retinopathy, neuropathy and nephropathy in Iranian patients with T2DM were 3%(95% CI: 1-5%), 33%(95% CI: 16-49%), 36%(95% CI: 27-45%), 38% (95% CI: 14-63%), and 43% (95% CI: 27-60%), respectively. This updated meta-analysis shows that prevalence of major microvascular complications of T2DM in Iran is high. Our findings provide practical evidence for better planning and clinical decision making.
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Affiliation(s)
- Yousef Moradi
- Department of Epidemiology, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Baradaran
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Iran.
| | - Shirin Djalalinia
- Deputy of Research and Technology, Ministry of Health and Medical Education, Tehran, Iran; Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahdieh Chinekesh
- Deputy of Research and Technology, Ministry of Health and Medical Education, Tehran, Iran
| | - Mohamad Ebrahim Khamseh
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Dastoorpoor
- Air Pollution and Respiratory Diseases Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Amir-Babak Sioofy-Khojine
- Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, FI-33520, Tampere, Finland
| | - Lotfolah Saed
- Department of Endocrinology, Faculty of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Mostafa Qorbani
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran; Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.
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27
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Lee MK, Han KD, Lee JH, Sohn SY, Jeong JS, Kim MK, Baek KH, Song KH, Kwon HS. High hemoglobin levels are associated with decreased risk of diabetic retinopathy in Korean type 2 diabetes. Sci Rep 2018; 8:5538. [PMID: 29615813 PMCID: PMC5882879 DOI: 10.1038/s41598-018-23905-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 03/02/2018] [Indexed: 02/07/2023] Open
Abstract
Anemia is an independent risk factor for the development of diabetic retinopathy (DR) in patients with type 2 diabetes mellitus (DM). Hemoglobin levels may also be associated with DR. We investigated the association between hemoglobin levels and DR risk. This cross-sectional, population-based study utilized data from 2,123 type 2 DM patients aged ≥30 years who participated in the Korea National Health and Nutrition Examination Survey from 2008 to 2012. Participants underwent an ophthalmic examination, including fundus photographs. A multiple logistic regression analysis was performed to evaluate the relationship between hemoglobin levels and DR risk. The mean hemoglobin levels in patients with and without DR were 13.76 ± 0.12 and 14.33 ± 0.05 g/dL, respectively, with anemia observed in 16.2 (2.4)% and 7.8 (0.8)%, respectively. A 19% decrease in DR risk was found with a 1.0-g/dL increase in hemoglobin level. DR risk exhibited a decreasing trend with increasing hemoglobin levels (P for trend <0.0001). The adjusted odds ratio of DR was significantly lower in the highest hemoglobin quartile. Our findings indicate that high hemoglobin levels are significantly related to a decreased DR risk in Korean type 2 diabetes.
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Affiliation(s)
- Min-Kyung Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Myongji hospital, Gyeonggi-do, Republic of Korea
| | - Kyung-Do Han
- Department of Medical Statistics, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jae-Hyuk Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Myongji hospital, Gyeonggi-do, Republic of Korea
| | - Seo-Young Sohn
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Myongji hospital, Gyeonggi-do, Republic of Korea
| | - Jee-Sun Jeong
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Mee-Kyoung Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ki-Hyun Baek
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Ki-Ho Song
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hyuk-Sang Kwon
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yeouido St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
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28
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Chen P, Pan C. Diabetes classification model based on boosting algorithms. BMC Bioinformatics 2018; 19:109. [PMID: 29587624 PMCID: PMC5872396 DOI: 10.1186/s12859-018-2090-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 02/28/2018] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Diabetes mellitus is a common and complicated chronic lifelong disease. Hence, it is of high clinical significance to find the most relevant clinical indexes and to perform efficient computer-aided pre-diagnoses and diagnoses. RESULTS Non-parametric statistical testing is performed on hundreds of medical measurement index results between diabetic and non-diabetic populations. Two common boosting algorithms, Adaboost.M1 and LogitBoost, are selected to establish a machine model for diabetes diagnosis based on these clinical test data, involving a total of 35,669 individuals. The machine classification models built by these two algorithms have very good classification ability. Here, the LogitBoost classification model is slightly better than the Adaboost.M1 classification model. The overall accuracy of the LogitBoost classification model reached 95.30% when using 10-fold cross validation. The true positive, true negative, false positive, and false negative rates of the binary classification model were 0.921, 0.969, 0.031, and 0.079, respectively, and the area under the receiver operating characteristic curve reached 0.99. CONCLUSIONS The boosting algorithms show excellent performance for the diabetes classification models based on clinical medical data. The coefficient matrix of the original data is a sparse matrix, because some of the test results were missing, including some that were directly related to disease diagnosis. Therefore, the model is robust and has a degree of pre-diagnosis function. In the process of selecting the preferred test items, the most statistically significant discriminating factors between the diabetic and general populations were obtained and can be used as reference risk factors for diabetes mellitus.
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Affiliation(s)
- Peihua Chen
- Institute of Biopharmaceutical Informatics and Technologies, Wenzhou Medical University, Wenzhou, China
| | - Chuandi Pan
- Department of Computer Technology and Information Management, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou City, China
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29
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Broide E, Reifen R, Matalon S, Berkovich Z, Shirin H. Expression of Duodenal Iron Transporter Proteins in Diabetic Patients with and without Iron Deficiency Anemia. J Diabetes Res 2018; 2018:7494821. [PMID: 29693022 PMCID: PMC5859831 DOI: 10.1155/2018/7494821] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 12/14/2017] [Accepted: 01/04/2018] [Indexed: 01/25/2023] Open
Abstract
The role of iron transport proteins in the pathogenesis of anemia in patients with diabetes mellitus (T2DM) is still unclear. We investigated the expression of duodenal transporter proteins in diabetic patients with and without iron deficiency anemia (IDA). Methods. Overall, 39 patients were included: 16 with T2DM and IDA (group A), 11 with T2DM without IDA (group B), and 12 controls (group C). Duodenal mucosal expression of divalent metal transporter 1 (DMT1), ferroportin 1 (FPN), hephaestin (HEPH), and transferrin receptor 1 (TfR) was evaluated by Western blotting. Chronic disease activity markers were measured as well. Results. FPN expression was increased in group A compared to group B and controls: 1.17 (0.72-1.46), 0.76 (0.53-1.04), and 0.71 (0.64-0.86), respectively (p = 0.011). TfR levels were over expressed in groups A and B compared to controls: 0.39 (0.26-0.61), 0.36 (0.24-0.43), and 0.18 (0.16-0.24), respectively, (p = 0.004). The three groups did not differ significantly with regard to cellular HEPH and DMT1 expression. The normal CRP and serum ferritin levels, accompanied with normal FPN among diabetic patients without IDA, do not support the association of IDA with chronic inflammatory state. Conclusion. In patients with T2DM and IDA, duodenal iron transport protein expression might be dependent on body iron stores rather than by chronic inflammation or diabetes per se.
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Affiliation(s)
- Efrat Broide
- The Kamila Gonczarowski Institute of Gastroenterology, Assaf Harofeh Medical Center and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ram Reifen
- School of Nutritional Sciences, Faculty of Agriculture, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Shay Matalon
- The Kamila Gonczarowski Institute of Gastroenterology, Assaf Harofeh Medical Center and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Zipi Berkovich
- School of Nutritional Sciences, Faculty of Agriculture, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Haim Shirin
- The Kamila Gonczarowski Institute of Gastroenterology, Assaf Harofeh Medical Center and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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30
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Gauci R, Hunter M, Bruce DG, Davis WA, Davis TME. Anemia complicating type 2 diabetes: Prevalence, risk factors and prognosis. J Diabetes Complications 2017; 31:1169-1174. [PMID: 28433448 DOI: 10.1016/j.jdiacomp.2017.04.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 03/15/2017] [Accepted: 04/03/2017] [Indexed: 12/19/2022]
Abstract
AIMS To determine the prevalence, risk factors and prognosis of anemia in representative community-based patients with type 2 diabetes. METHODS Data from the Fremantle Diabetes Study Phase II (FDS2; n=1551, mean age 65.7years, 51.9% males) and Busselton Diabetes Study (BDS; n=186, mean age 70.2years, 50.0% males) cohorts, and from 186 matched BDS participants without diabetes, were analyzed. The prevalence of anemia (hemoglobin ≤130g/L males, ≤120g/L females) was determined in each sample. In FDS2, associates of anemia were assessed using multiple logistic regression and Cox proportional hazards modeling identified predictors of death during 4.3±1.2years post-recruitment. RESULTS The prevalence of anemia at baseline was 11.5% in FDS2 participants, 17.8% in BDS type 2 patients and 5.4% in BDS participants without diabetes. In FDS2, 163 of 178 patients with anemia (91.6%) had at least one other risk factor (serum vitamin B12<140pmol/L, serum ferritin <30μg/L and/or transferrin saturation<20%, serum testosterone <10nmol/L (males), glitazone therapy, estimated glomerular filtration rate (eGFR) <60mL/min 1.73m2, malignancy, hemoglobinopathy). More anemic than non-anemic FDS2 patients died (28.7% versus 8.0%; P<0.001). After adjustment for other independent predictors (age as time-scale, male sex, Aboriginality, marital status, smoking, eGFR), anemia was associated with a 57% increase in mortality (P=0.015). CONCLUSIONS Type 2 diabetes at least doubles the risk of anemia but other mostly modifiable risk factors are usually present. Anemia is associated with an increased risk of death after adjustment for other predictors.
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Affiliation(s)
- Richard Gauci
- Department of Endocrinology and Diabetes, Fiona Stanley and Fremantle Hospitals, Murdoch and Fremantle, Western Australia, Australia
| | - Michael Hunter
- Busselton Population Medical Research Institute, Busselton, Western Australia, Australia; School of Population Health, University of Western Australia, Nedlands, Australia
| | - David G Bruce
- School of Medicine and Pharmacology, University of Western Australia, Fremantle Hospital, Fremantle, Western Australia, Australia
| | - Wendy A Davis
- School of Medicine and Pharmacology, University of Western Australia, Fremantle Hospital, Fremantle, Western Australia, Australia
| | - Timothy M E Davis
- School of Medicine and Pharmacology, University of Western Australia, Fremantle Hospital, Fremantle, Western Australia, Australia.
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Jun JH, Yoo JE, Lee JA, Kim YS, Sunwoo S, Kim BS, Yook JH. Anemia after gastrectomy in long-term survivors of gastric cancer: A retrospective cohort study. Int J Surg 2016; 28:162-8. [DOI: 10.1016/j.ijsu.2016.02.084] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 02/16/2016] [Accepted: 02/20/2016] [Indexed: 01/01/2023]
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Shittu STT, Oyeyemi WA, Lasisi TJ, Shittu SAS, Lawal TT, Olujobi ST. Aqueous leaf extract of Ocimum gratissimum improves hematological parameters in alloxan-induced diabetic rats via its antioxidant properties. Int J Appl Basic Med Res 2016; 6:96-100. [PMID: 27127737 PMCID: PMC4830163 DOI: 10.4103/2229-516x.179016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Accepted: 01/18/2016] [Indexed: 11/25/2022] Open
Abstract
OBJECTIVE This study was designed to investigate the effects of Ocimum gratissimum (OG) on hematological parameters and oxidative stress in diabetic rats. MATERIALS AND METHODS Twenty-five male rats (150-200 g) were randomly grouped into five as control, normal + OG, diabetic untreated, diabetic + OG, and diabetic + glibenclamide groups. Diabetes was induced by 100 mg/kg of alloxan monohydrate in the diabetic untreated and diabetic + OG groups followed by treatment with distilled water and 400 mg/kg OG, respectively, whereas control, normal + OG, and diabetic + glibenclamide groups were treated with distilled water, 400 mg/kg OG, and 5 mg/kg glibenclamide, respectively. Body weight and fasting blood glucose level were monitored weekly. After 28 days of treatments, under anesthesia induced by 50 mg/kg sodium thiopental i.p., blood samples were obtained for hematological analysis, malondialdehyde (MDA) level determination, and superoxide dismutase (SOD) activity. Data were compared using analysis of variance and Student's t-test. RESULTS There was a significant decrease in the fasting blood glucose of the diabetic + OG animals compared to the diabetic untreated and the initial reduction in weight observed in this group was reversed at the end of the experiments. Packed cell volume, red blood cell count, and hemoglobin concentration were significantly increased (P < 0.05) in the diabetic + OG when compared with the untreated group. The MDA concentration was significantly lowered (P < 0.01) in the diabetic + OG group when compared with diabetic untreated while SOD activity was significantly reduced in the diabetic untreated group. CONCLUSION It was concluded that OG reverses anemia secondary to alloxan-induced diabetes mellitus in rats probably via its antioxidant activity.
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Affiliation(s)
| | - Wahab A Oyeyemi
- Department of Physiology, Igbinedion University, Okada, Edo State, Nigeria
| | - Taye J Lasisi
- Department of Physiology, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | | | - Temitope T Lawal
- Department of Animal Science, University of Ibadan, Ibadan, Nigeria
| | - Samuel T Olujobi
- Department of Physiology, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Bajaj S, Makkar BM, Abichandani VK, Talwalkar PG, Saboo B, Srikanta SS, Das A, Chandrasekaran S, Krishnan PV, Shah A, Abraham G, Tikku P, Kumar S. Management of anemia in patients with diabetic kidney disease: A consensus statement. Indian J Endocrinol Metab 2016; 20:268-81. [PMID: 27042425 PMCID: PMC4792030 DOI: 10.4103/2230-8210.176348] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
This consensus statement focuses on the window of opportunity, which exists while treating patients with diabetic kidney disease and anemia.
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Affiliation(s)
- Sarita Bajaj
- Director-Professor and Head, Department of Medicine, MLN Medical College, Allahabad, India
| | - Brij Mohan Makkar
- Sr. Consultant Physician and Diabetologist, Diabetes and Obesity Centre, Paschim Vihar, New Delhi, India
| | | | | | - Banshi Saboo
- Consultant Diabetologist, Dia Care - Diabetes Care and Hormone Clinic, Ambawadi, Ahmedabad, India
| | - S. S. Srikanta
- Medical Director and Senior Consultant Endocrinology Diabetes, Samatvam Endocrinology Diabetes Center, Samatvam: Science and Research for Human Welfare Trust, Jnana Sanjeevini Diabetes Hospital and Medical Center, Bengaluru, India
| | - Ashok Das
- Professor of Medicine and Head of Endocrinology, Pondicherry Institute of Medical Sciences, Puducherry, India
| | - Sruti Chandrasekaran
- Consultant Endocrinology, Diabetology and Metabolism, Global Hospitals, Adyar Cancer Institute, Vikas Center for Hormones and Mental Health, Chennai, India
| | - P. Venkata Krishnan
- Consultant, Division of Internal Medicine, Medanta - The Medicity Hospital, Gurgaon, Haryana, India
| | - Arun Shah
- Consultant Nephrologist, Lilavati Hospital and Bharatiya Arogyanidhi Hospital, Mumbai, India
| | - Georgi Abraham
- Professor of Medicine, Pondicherry Institute of Medical Sciences, Puducherry and Consultant – Nephrologist, Madras Medical Mission, Chennai, India
| | - Pankaj Tikku
- Executive Chief Editor and Editorial Head, Passi HealthCom Pvt. Ltd., Delhi, India
| | - Sushil Kumar
- Sr. Executive Editor, Passi HealthCom Pvt. Ltd, Delhi, India
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Hong JW, Ku CR, Noh JH, Ko KS, Rhee BD, Kim DJ. Association between the presence of iron deficiency anemia and hemoglobin A1c in Korean adults: the 2011-2012 Korea National Health and Nutrition Examination Survey. Medicine (Baltimore) 2015; 94:e825. [PMID: 25997055 PMCID: PMC4602861 DOI: 10.1097/md.0000000000000825] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Few studies have investigated the clinical effect of iron deficiency anemia (IDA) on the use of the Hemoglobin A1c (HbA1c) as a screening parameter for diabetes or prediabetes. We investigated the association between IDA and HbA1c levels in Korean adults.Among the 11,472 adults (≥19 years of age) who participated in the 2011-2012 Korea National Health and Nutrition Examination Survey (a cross-sectional and nationally representative survey conducted by the Korean Center for Disease Control for Health Statistics), 807 patients with diabetes currently taking anti-diabetes medications were excluded from this study. We compared the weighted HbA1c levels and weighted proportion (%) of HbA1c levels of ≥5.7%, ≥6.1%, and ≥6.5% according to the range of fasting plasma glucose (FPG) levels and the presence of IDA.Among 10,665 participants (weighted n = 35,229,108), the prevalence of anemia and IDA was 7.3% and 4.3%, respectively. The HbA1c levels were higher in participants with IDA (5.70% ± 0.02%) than in normal participants (5.59% ± 0.01%; P < 0.001), whereas there was no significant difference in FPG levels. In participants with an FPG level of <100 mg/dL and 100 to 125 mg/dL, the weighted HbA1c level was higher in those with IDA (5.59% ± 0.02% and 6.00% ± 0.05%) than in normal participants (5.44% ± 0.01% and 5.82% ± 0.01%) after adjusting for confounders such as age, sex, FPG level, heavy alcohol drinking, waist circumference, and smoking status as well as after exclusion of an estimated glomerular filtration rate of <60 mL/min/1.73 m (P < 0.001, <0.01). The weighted proportions (%) of an HbA1c level of ≥5.7% and ≥6.1% were also higher in participants with IDA than in normal participants (P < 0.001, <0.05). However, the weighted HbA1c levels in individuals with an FPG level ≥126 mg/dL and a weighted proportion (%) of an HbA1c level of ≥6.5% showed no significant differences according to the presence of IDA.In conclusion, the presence of IDA shifted the HbA1c level upward only in the normoglycemic and prediabetic ranges, not in the diabetic range. Therefore, IDA should be considered before using HbA1c as a screening test for prediabetes.
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Affiliation(s)
- Jae W Hong
- From the Department of Internal Medicine, Ilsan-Paik Hospital, College of Medicine, Inje University, Koyang, Gyeonggi-do, Republic of Korea; (JWH, JHN, D-JK); Endocrinology, Yonsei University College of Medicine, Seoul, South Korea (CRK) and Department of Internal Medicine, Sanggye Paik Hospital, Cardiovascular and Metabolic Disease Center, College of Medicine, Inje University, Seoul, Republic of Korea (KSK, BDR)
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