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Jalal R, Ozel K, Atilgan A, Yildiz A. UV photodetectors based on W-doped ZnO thin films. Nanotechnology 2024; 35:265705. [PMID: 38592733 DOI: 10.1088/1361-6528/ad373b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 03/24/2024] [Indexed: 04/10/2024]
Abstract
W-doped ZnO thin films deposited on Si substrates with (100) orientation by sol-gel spin coating method at temperature 500 °C. W/Zn atomic ratio varies from 0% to 4%. Then, the UV detection performance analysis ofp-nheterojunction UV photodetectors based on W-doped ZnO/Si is analyzed. The current-voltage curves of W-doped ZnO/Si are investigated in dark and exhibit diode-like rectifying behavior. Among doped ZnO/Si, sample with atomic ratio of W/Zn = 2% is the best candidate to study photodetector characteristics in UV range. The resulting device exhibits a rectification ratioRRof 5587 at ±5 V, a higher responsivity of 3.84 A W-1and a photosensitivity value of 34 at 365 nm under 0.5 mW cm-2. The experimental findings reveal that the UV detection performance of the heterojunction-based photodetectors strongly dependent on the properties of metal oxide layer. The main goal of this work is to investigate the effect of W doping on the performance of ZnO/Si based photodetectors. Based on our results, it is observed that 2 at% of W dopant is the optimum amount of doping for high performance photodetector of ZnO:W/Si heterojunction thanks to the suppressed recombination ratio and enhanced carrier separation properties in the depletion zone.
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Affiliation(s)
- R Jalal
- Department of Energy Systems Engineering, Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazıt University, Ankara, 06010, Turkey
| | - K Ozel
- Department of Electrical and Energy, GAMA Vocational School, Ankara University, Ankara, 06120, Turkey
| | - A Atilgan
- Department of Energy Systems Engineering, Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazıt University, Ankara, 06010, Turkey
| | - A Yildiz
- Department of Energy Systems Engineering, Faculty of Engineering and Natural Sciences, Ankara Yıldırım Beyazıt University, Ankara, 06010, Turkey
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Mustafaoglu R, Demir R, Aslan GK, Sinan UY, Zeren M, Yildiz A, Kucukoglu MS. Translation, cross-cultural adaptation, reliability, and validity of the Turkish version of the Duke Activity Status Index in patients with pulmonary hypertension. Pulmonology 2023; 29 Suppl 4:S18-S24. [PMID: 34281801 DOI: 10.1016/j.pulmoe.2021.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 06/15/2021] [Accepted: 06/15/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND AND OBJECTIVES In patients with pulmonary hypertension (PH), shortness of breath, fatigue, chest pain, and syncope limit exercise capacity. Exercise tests are often time-consuming, expensive, and some patients may not be able to perform such procedures and they are also difficult to apply in the studies including large samples. The aim of this study was to translate and culturally adapt the DASI into Turkish and to investigate its reliability and validity in patients with PH. METHODS The final Turkish version of the DASI questionnaire was applied to 109 clinically stable patients with a diagnosis of PH. Exercise capacity of the patients was determined by maximal VO 2 achieved in the 6-minute walk test (6MWT) and quality of life by the EmPHasis-10 questionnaire. Cronbach alpha (internal consistency) was used to assess the questionnaire's reliability. The validity assessment was performed by using Spearman correlation. RESULTS Internal consistency of the DASI was high (Cronbach's alpha = 0.99) and the test-retest reliability was excellent (ICC = 0.98). Validity was supported by significant correlations of DASI-VO 2 scores with estimated VO 2 (6MWT) scores (r = 0.58, p < 0.0001) and EmPHasis-10 (= -0.62, p < 0.0001). No floor or ceiling effect was present for the questionnaire. CONCLUSIONS The Turkish version of the culturally adapted DASI questionnaire was found to be a valid and reliable assessment tool. It is a rapidly administered, simple-toscore questionnaire for assessing the functional ability of individuals with PH. The use of the DASI to assess exercise capacity in patients with PH may assist researchers and clinicians detecting functional impairment in these patients.
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Affiliation(s)
- R Mustafaoglu
- Istanbul University-Cerrahpasa, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Istanbul, Turkey
| | - R Demir
- Istanbul University-Cerrahpasa, Institute of Cardiology, Department of Cardiology, Istanbul, Turkey
| | - G K Aslan
- Istanbul University-Cerrahpasa, Faculty of Health Sciences, Department of Physiotherapy and Rehabilitation, Istanbul, Turkey
| | - U Y Sinan
- Istanbul University-Cerrahpasa, Institute of Cardiology, Department of Cardiology, Istanbul, Turkey
| | - M Zeren
- Izmir Bakircay University, Faculty of Health Sciences, Division of Physiotherapy and Rehabilitation, Izmir, Turkey
| | - A Yildiz
- Istanbul University-Cerrahpasa, Institute of Graduate Studies, Department of Physiotherapy and Rehabilitation, Istanbul, Turkey
| | - M S Kucukoglu
- Istanbul University-Cerrahpasa, Institute of Cardiology, Department of Cardiology, Istanbul, Turkey.
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Dogan O, Bulat Z, Yildiz A, Abaci O, Barman HA, Kılıçarslan O, Yumuk MT, Mirzayev K, Kocas C. Comparison of clopidogrel vs. ticagrelor medication adherence in patients with acute coronary syndrome. Eur Rev Med Pharmacol Sci 2023; 27:7309-7315. [PMID: 37606139 DOI: 10.26355/eurrev_202308_33302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 08/23/2023]
Abstract
OBJECTIVE Medication nonadherence to dual antiplatelet therapy increases major cardiovascular events. In this study, we investigated patients' post-acute coronary syndrome (ACS) medication adherence to clopidogrel and ticagrelor over a 12-month period. Furthermore, we also examined the factors that may affect medication adherence in this patient population. PATIENTS AND METHODS This study included 509 patients who were scheduled for dual antiplatelet therapy for one year following ACS (October 2018-December 2019). A proportion of days covered (PDC) method, based on a pharmacy database system, was used to determine their medication adherence. Medication adherence was defined as > 80% PDC. RESULTS No difference was found between clopidogrel and ticagrelor in terms of medication adherence (68.3% vs. 64.6%, p = 0.39). Moreover, higher education levels (B = 3.24, CI: 1.17-8.9, p = 0.023) and percutaneous coronary intervention (PCI) as a revascularization option (B = 0.35, CI: 0.17-0.71, p = 0.004) predicted medication adherence independently. CONCLUSIONS In this research, medication adherence was found to be similar between the clopidogrel and ticagrelor groups. It was also predicted by higher education levels and revascularization with PCI.
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Affiliation(s)
- O Dogan
- Department of Cardiology, Istinye State Hospital, Ministry of Health, Istanbul, Turkey.
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Yildiz A, Yildiz A, Tarcan O, Acun G, Yazi M. P181 Lymphedema after axillary dissection: Is there a room for calcium dobesilate in treatment? Breast 2023. [DOI: 10.1016/s0960-9776(23)00299-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
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Kose A, Ozhan O, Parlakpinar H, Vardi N, Yildiz A, Turkoz Y, Erdemli Z, Bilgic Y, Sarihan ME. Effects of agomelatine on rat liver regeneration following partial hepatectomy. Biotech Histochem 2023; 98:157-165. [PMID: 36373333 DOI: 10.1080/10520295.2022.2139862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Primary or metastatic hepatic malignancies are common. Partial hepatectomy (PH) is the primary treatment for both benign and malignant hepatic neoplasms; it also is used for living donor liver transplantation. The regenerative potential of the liver after PH is 70-80% in humans. We investigated the protective and therapeutic effects of agomelatine (AGM) on rat liver regeneration following PH. We used 32 rats distributed equally into four groups: group 1, sham control; group 2, PH group; group 3, administered 20 mg/kg AGM orally once/day for 7 days following PH; group 4, administered 20 mg/kg AGM orally once/day 3 days before and 7 days following PH for 10 days. Liver samples were analyzed for antioxidants and free radicals. Tissue samples were processed and stained with hematoxylin and eosin to assess histopathological status and stained immunohistochemically for Ki-67. We found that PH reduced antioxidant enzymes and increased tissue reactive oxygen species, whereas AGM treatment had the opposite effect on these parameters. Our biochemical and histopathological findings were consistent. PH caused sinusoid congestion and dilation. Intensity of Ki-67 immunostaining of hepatocytes was increased in group 2, whereas these were reduced in group 4. Intensity of Ki-67 immunostaining of hepatocytes was increased in group 2, whereas it was reduced in the group 4 compared to group 1. We found that AGM was hepatoprotective following PH due to its antioxidant and free radical scavenger properties.
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Affiliation(s)
- A Kose
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - O Ozhan
- Department of Medical Pharmacology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - H Parlakpinar
- Department of Medical Pharmacology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - N Vardi
- Department of Histology and Embryology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - A Yildiz
- Department of Histology and Embryology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - Y Turkoz
- Department of Medical Biochemistry, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - Z Erdemli
- Department of Medical Biochemistry, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - Y Bilgic
- Department of Gastroenterology, Faculty of Medicine, Inonu University, Malatya, Turkey
| | - M E Sarihan
- Department of Emergency Medicine, Faculty of Medicine, Inonu University, Malatya, Turkey
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Caliskan Y, Safak S, Oto OA, Velioglu A, Yelken B, Mirioglu S, Dirim AB, Yildiz A, Guller N, Yazici H, Ersoy A, Turkmen A, Lentine KL. Propensity score-matched analysis of long-term outcomes for living kidney donation in alternative complement pathway diseases: a pilot study. J Nephrol 2023; 36:979-986. [PMID: 36808609 DOI: 10.1007/s40620-023-01588-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 01/15/2023] [Indexed: 02/23/2023]
Abstract
BACKGROUND Atypical hemolytic syndrome (aHUS) and C3 glomerulopathy (C3G) are complement-mediated rare diseases with excessive activation of the alternative pathway. Data to guide the evaluation of living-donor candidates for aHUS and C3G are very limited. The outcomes of living donors to recipients with aHUS and C3G (Complement disease-living donor group) were compared with a control group to improve our understanding of the clinical course and outcomes of living donation in this context. METHODS Complement disease-living donor group [n = 28; aHUS(53.6%), C3G(46.4%)] and propensity score-matched control-living donor group (n = 28) were retrospectively identified from 4 centers (2003-2021) and followed for major cardiac events (MACE), de novo hypertension, thrombotic microangiopathy (TMA), cancer, death, estimated glomerular filtration rate (eGFR) and proteinuria after donation. RESULTS None of the donors for recipients with complement-related kidney diseases experienced MACE or TMA whereas two donors in the control group developed MACE (7.1%) after 8 (IQR, 2.6-12.8) years (p = 0.15). New-onset hypertension was similar between complement disease and control donor groups (21.4% vs 25%, respectively, p = 0.75). There were no differences between study groups regarding last eGFR and proteinuria levels (p = 0.11 and p = 0.70, respectively). One related donor for a recipient with complement-related kidney disease developed gastric cancer and another related donor developed a brain tumor and died in the 4th year after donation (2, 7.1% vs none, p = 0.15). No recipient had donor-specific human leukocyte antigen antibodies at the time of transplantation. Median follow-up period of transplant recipients was 5 years (IQR, 3-7). Eleven (39.3%) recipients [aHUS (n = 3) and C3G (n = 8)] lost their allografts during the follow-up period. Causes of allograft loss were chronic antibody-mediated rejection in 6 recipients and recurrence of C3G in 5. Last serum creatinine and last eGFR of the remaining patients on follow up were 1.03 ± 038 mg/dL and 73.2 ± 19.9 m/min/1.73 m2 for aHUS patients and 1.30 ± 0.23 mg/dL and 56.4 ± 5.5 m/min/1.73 m2 for C3G patients. CONCLUSION The present study highlights the importance and complexity of living related-donor kidney transplant for patients with complement-related kidney disorders and motivates the need for further research to determine the optimal risk-assessment for living donor candidates to recipients with aHUS and C3G.
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Affiliation(s)
- Yasar Caliskan
- Saint Louis University Transplant Center, SSM-Saint Louis University Hospital, 1201 S. Grand Blvd., St. Louis, MO, 63104, USA. .,Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey.
| | - Seda Safak
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Ozgur Akin Oto
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Arzu Velioglu
- Division of Nephrology, Marmara University School of Medicine, Istanbul, Turkey
| | - Berna Yelken
- Organ Transplantation Center, Koc University Hospital, Istanbul, Turkey
| | - Safak Mirioglu
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey.,Division of Nephrology, Bezmialem Vakif University School of Medicine, Istanbul, Turkey
| | - Ahmet Burak Dirim
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Abdulmecit Yildiz
- Division of Nephrology, Bursa Uludag University School of Medicine, Bursa, Turkey
| | - Nurana Guller
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Halil Yazici
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Alparslan Ersoy
- Division of Nephrology, Bursa Uludag University School of Medicine, Bursa, Turkey
| | - Aydin Turkmen
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Krista L Lentine
- Saint Louis University Transplant Center, SSM-Saint Louis University Hospital, 1201 S. Grand Blvd., St. Louis, MO, 63104, USA
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Yildiz A, Ulu S, Oruc A, Ucar AR, Ozturk S, Alagoz S, Eren N, Kocyigit I, Koksal Cevher S, Haras AB, Sumnu A, Arinsoy T, Sahin G, Suleymanlar G, Cavdar C, Kumru Sahin G, Kurultak I, Unsal A, Sahin G, Kazan S, Tatar E, Dıkec M, Dursun B, Sayarlioglu H, Turkmen K, Artan AS, Aktas N, Yilmaz Z, Behlul A, Dheir H, Kutlay S, Seyahi N. Clinical and pathologic features of primary membranous nephropathy in Turkey: a multicenter study by the Turkish Society of Nephrology Glomerular Diseases Working Group. Ren Fail 2022; 44:1048-1059. [PMID: 35786180 PMCID: PMC9258435 DOI: 10.1080/0886022x.2022.2079526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Background We aimed to evaluate the features of primary membranous nephropathy (MNP) in Turkish people. Methods This is a retrospective analysis of patients with biopsy-proven primary MNP. We obtained the data collected between 2009 and 2019 in the primary glomerulonephritis registry of the Turkish Society of Nephrology Glomerular Diseases Study Group (TSN-GOLD). Patients with a secondary cause for MNP were excluded. Clinical, demographic, laboratory, and histopathological findings were analyzed. Results A total of 995 patients with primary MNP were included in the analyses. Males constituted the majority (58.8%). The mean age was 48.4 ± 13.9 years. The most common presentation was the presence of nephrotic syndrome (81.7%) and sub nephrotic proteinuria (10.3%). Microscopic hematuria was detected in one-third of patients. The median estimated glomerular filtration rate (eGFR) was 100.6 mL/min/1.73 m2 (IQR, 75.4–116.3), and median proteinuria was 6000 mg/d (IQR, 3656–9457). Serum C3 and C4 complement levels were decreased in 3.7 and 1.7% of patients, respectively. Twenty-four (2.4%) patients had glomerular crescents in their kidney biopsy samples. Basal membrane thickening was detected in 93.8% of cases under light microscopy. Mesangial proliferation and interstitial inflammation were evident in 32.8 and 55.9% of the patients, respectively. The most commonly detected depositions were IgG (93%), C3 complement (68.8%), and kappa and lambda immunoglobulin light chains (70%). Although renal functions were normal at presentation, vascular, interstitial, and glomerular findings were more prominent on biopsy in hypertensive patients. No significant effect of BMI on biopsy findings was observed. Conclusions Despite some atypical findings, the main features of primary MNP in Turkey were similar to the published literature. This is the largest MNP study to date conducted in Turkish people.
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Affiliation(s)
| | - Sena Ulu
- Department of Nephrology, Med Fac, Afyon Kocatepe Univ, Afyon, Turkey
| | - Aysegul Oruc
- Department of Nephrology, Med Fac, Uludag Univ, Bursa, Turkey
| | - Ali Riza Ucar
- Department of Nephrology, Istanbul Fac Med, Istanbul Univ, Istanbul, Turkey
| | - Savas Ozturk
- Department of Nephrology, Haseki Training and Res Hosp, Istanbul, Turkey
| | - Selma Alagoz
- Department of Nephrology, Cerrahpasa Med Fac, Istanbul Univ, Istanbul, Turkey
| | - Necmi Eren
- Department of Nephrology, Med Fac, Kocaeli Univ, Kocaeli, Turkey
| | - Ismail Kocyigit
- Department of Nephrology, Med Fac, Erciyes Univ, Kayseri, Turkey
| | - Simal Koksal Cevher
- Department of Nephrology, Ankara Numune Training and Res Hosp, Ankara, Turkey
| | - Ali Burak Haras
- Department of Nephrology, Dr Lutfi Kirdar Kartal Training and Res Hosp, Istanbul, Turkey
| | - Abdullah Sumnu
- Department of Nephrology, Med Fac, Medipol Univ, Istanbul, Turkey
| | - Turgay Arinsoy
- Department of Nephrology, Med Fac, Gazi Univ, Ankara, Turkey
| | - Garip Sahin
- Department of Nephrology, Med Fac, Eskisehir Osmangazi Univ, Eskisehir, Turkey
| | | | - Caner Cavdar
- Department of Nephrology, Med Fac, Dokuz Eylul Univ, Izmir, Turkey
| | | | - Ilhan Kurultak
- Department of Nephrology, Med Fac, Trakya Univ, Edirne, Turkey
| | - Abdulkadir Unsal
- Department of Nephrology, Hamidiye Sisli Etfal Training and Res Hosp, Istanbul, Turkey
| | - Gulizar Sahin
- Department of Nephrology, Sultan Abdulhamit Han Res and Training Hosp, Istanbul, Turkey
| | - Sinan Kazan
- Department of Nephrology, Med Fac, Afyon Kocatepe Univ, Afyon, Turkey
| | - Erhan Tatar
- Department of Nephrology, Bozyaka Training & Res Hosp, Izmir, Turkey
| | - Mehmet Dıkec
- Department of Nephrology, Bakirkoy Sadi Konuk Training and Res Hosp, Istanbul, Turkey
| | - Belda Dursun
- Department of Nephrology, Med Fac, Pamukkale Univ, Denizli, Turkey
| | | | - Kultigin Turkmen
- Department of Nephrology, Meram Med Fac, Necmettin Erbakan Univ, Konya, Turkey
| | - Ayse Serra Artan
- Department of Nephrology, Med Fac, Bezmialem Vakif Univ, Istanbul, Turkey
| | - Nimet Aktas
- Department of Nephrology, Med Fac, Bezmialem Vakif Univ, Istanbul, Turkey
| | - Zulfikar Yilmaz
- Department of Nephrology, Med Fac, Dicle Univ, Diyarbakir, Turkey
| | - Ahmet Behlul
- Department of Nephrology, Burhan Nalbantoglu State Hosp, Nicosia, Cyprus
| | - Hamad Dheir
- Department of Nephrology, Med Fac, Sakarya Univ, Sakarya, Turkey
| | - Sim Kutlay
- Med Fac, Ibni Sina Hosp, Ankara Univ, Ankara, Turkey
| | - Nurhan Seyahi
- Department of Nephrology, Cerrahpasa Med Fac, Istanbul Univ, Istanbul, Turkey
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Oto OA, Safak S, Mirioglu S, Yelken B, Velioglu A, Dirim AB, Guller N, Yildiz A, Ersoy A, Turkmen A, Yazici H, Lentine KL, Caliskan Y. Long-Term Outcomes of Living-Related Kidney Donation for Alport Syndrome Spectrum: A Propensity Score-Matched Analysis. Am J Nephrol 2022; 53:628-635. [PMID: 36349757 DOI: 10.1159/000527180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 09/13/2022] [Indexed: 11/11/2022]
Abstract
INTRODUCTION Data to guide the evaluation of living-related donor candidates for kidney transplant recipients with Alport syndrome (AS) spectrum are limited. We aimed to examine a cohort of living-related donors to recipients with AS and compare their outcomes with a control group to improve understanding of the clinical course and outcomes of living donation in this context. METHODS Living donors (LDs) of AS recipients and propensity score-matched control LDs without any family history of AS (control group) were followed for major cardiac events, death, post-donation estimated glomerular filtration rate (eGFR), and proteinuria. RESULTS There were 31 LDs (48.4% male), in whom relationship to AS recipient included mother (45.2%), father (32.3%), sibling (16.1%), grandparent (3.2%), and uncle (3.2%). Long-term outcomes over 10.0 (IQR, 3.0-15.0) years were evaluated in 25 and 25 LDs from study and control groups, respectively. During follow-up, 5 LDs (20.0%) in study group developed major cardiac event (acute coronary ischemia [n = 4] and severe congestive heart failure [n = 1]) after 5.5 (IQR, 4.5-10.3) years, whereas only 2 (8.0%) LDs in control group developed major cardiac events (p = 0.221). New-onset hypertension was higher in study group (56.0%) compared to the control group (16.0%) (p = 0.003). Three donors in study and 2 donors in control group who developed new-onset hypertension died during follow-up (p = 0.297). Major cardiac event rate was significantly higher in donors who developed hypertension after donation (0 vs. 28.0%, p < 0.001). There were no differences between study groups regarding last eGFR and proteinuria levels (p = 0.558 and p = 0.120, respectively). DISCUSSION/CONCLUSION Although the risk of kidney disease can be minimized by careful donor evaluation, our findings suggest that hypertension risk after the donation is higher than expected in related donors of recipients with AS.
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Affiliation(s)
- Ozgur Akin Oto
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey,
| | - Seda Safak
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Safak Mirioglu
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey.,Division of Nephrology, Bezmialem Vakif University School of Medicine, Istanbul, Turkey
| | - Berna Yelken
- Organ Transplantation Center, Koc University Hospital, Istanbul, Turkey
| | - Arzu Velioglu
- Division of Nephrology, Marmara University School of Medicine, Istanbul, Turkey
| | - Ahmet Burak Dirim
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Nurana Guller
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Abdulmecit Yildiz
- Division of Nephrology, Bursa Uludag University School of Medicine, Bursa, Turkey
| | - Alparslan Ersoy
- Division of Nephrology, Bursa Uludag University School of Medicine, Bursa, Turkey
| | - Aydin Turkmen
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Halil Yazici
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey
| | - Krista L Lentine
- Center for Abdominal Transplantation, Saint Louis University, St. Louis, Missouri, USA
| | - Yasar Caliskan
- Division of Nephrology, Istanbul University Istanbul School of Medicine, Istanbul, Turkey.,Center for Abdominal Transplantation, Saint Louis University, St. Louis, Missouri, USA
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Durak MA, Ozhan O, Yildiz A, Durhan M, Vardi N, Cigremis Y, Parlakpinar H. Protective effect of short-term thymoquinone administration on the central nervous system in cisplatin-induced neurotoxicity. Eur Rev Med Pharmacol Sci 2022; 26:6935-6943. [PMID: 36263573 DOI: 10.26355/eurrev_202210_29874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
OBJECTIVE This study was performed to investigate the potential beneficial effects of thymoquinone (TQ) on brain tissue based on biochemical and histopathological analyses in cisplatin (CIS) treated rats with central nervous system (CNS) neurotoxicity. MATERIALS AND METHODS The rats were randomly divided into 4 groups with 8 rats in each group (n:8). Group 1: (Control), saline was administered for 3 days at a volume of 0.5 ml per day intraperitoneal (i.p.). Group 2: (CIS Group), one dose of CIS was administered (7 mg/kg i.p.). Group 3: (TQ Group), TQ was given at a dose of 5 mg/kg per day for 3 days (i.p.). Group 4: (CIS+TQ Group), one dose of 7 mg/kg was initiated half an hour before administration of CIS and one dose of 5 mg/kg per day was administered TQ i.p. for 3 days. RESULTS Malondialdehyde levels were found to be statistically significantly higher in the CIS group compared to the control group. Degenerative changes observed in the CIS+TQ group were found to be milder than in the CIS group. In the CIS+TQ group, a statistically significant decrease in the severity of caspase-3 immunoreactivity was found when compared to the CIS group. It was found that the severity of neurofilament immunoreactivity monitored in neuronal extensions was similar in all groups. In the CIS+TQ group, the severity of tau protein's immunoreactivity was similar to that of the CIS-group. CONCLUSIONS According to the results obtained in our study, beneficial effects were obtained in reducing neurotoxicity with short-term TQ application in rats treated with CIS treatment.
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Affiliation(s)
- M A Durak
- Department of Neurosurgery, Department of Pharmacology, Department of Histology and Embryology, Department of Medical Biology and Genetic, Medical School, Inonu University, Malatya, Turkey.
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Yildiz A, Ikizler TA. The Frailty of Advanced Kidney Disease: The Role of Mitochondria. Turk J Nephrol 2022. [DOI: 10.5152/turkjnephrol.2022.22317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ayar Y, Ersoy A, Isiktas Sayilar E, Ocakoglu G, Yildiz A, Oruc A, Cetinkaya Demir B. Pregnancy and Kidney Transplantation: A Single-Center Experience. Turk J Nephrol 2022. [DOI: 10.5152/turkjnephrol.2022.21119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ozturk S, Turgutalp K, Arici M, Gorgulu N, Zeki Tonbul H, Eren N, Gencer V, Ayli D, Pembegul I, Esra Dolarslan M, Ural Z, Colak H, Elif Ozler T, Can O, Emin Demir M, Altunoren O, Huddam B, Onec K, Demirelli B, Aydin Z, Altun E, Alagoz S, Ayar Y, Ebru Eser Z, Berktaş B, Yilmaz Z, Uslu Ates E, Yuksel E, Kumru Sahin G, Aktar M, Cebeci E, Dursun B, Yucel Kocak S, Yildiz A, Kazan S, Gok M, Erkan S, Tugcu M, Ozturk R, Kahvecioglu S, Kara E, Kaya B, Sahin G, Sakaci T, Sipahi S, Kurultak I, Algül Durak B, Riza Altiparmak M, Alisir Ecder S, Karadag S, Tamer Dincer M, Ozer H, Bek S, Ulu S, Gungor O, Ari Bakir E, Riza Odabas A, Seyahi N, Yildiz A, Ateş K. MO166: The Longitudinal Evolution of Covid-19 Outcomes Among Hemodialysis Patients: A Nationwide Multicentre Controlled Study. Nephrol Dial Transplant 2022. [DOI: 10.1093/ndt/gfac066.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
BACKGROUND AND AIMS
Haemodialysis (HD) patients are at increased risk for adverse short-term consequences of COVID-19. In this study, we investigated the characteristics of chronic HD patients in the post-COVID-19 period and compared them with the control group.
METHOD
We conducted a national multicentre observational study involving adult chronic HD patients recovering from COVID-19. The control HD group was selected from patients with similar characteristics who did not have COVID-19 in the same center. SARS-CoV-2 RT-PCR negative patients and patients in the active period of COVID-19 were not included.
RESULTS
A total of 1223 patients (635 COVID-19 groups, 588 control groups) were included in the study from the data collected from 47 centres between 21 April 2021 and 11 June 2021. The patients' baseline demographics, comorbidities, medications, HD characteristics and basic laboratory tests were quite similar between the groups (Table 1). 28th-day mortality and between 28th day and 90th day mortality were higher in the COVID-19 group than in the control group [19 (3.0%) patients and 0 (0%) patients; 15 (2.4%) patients and 4 (0.7%) patients, respectively]. Presence of respiratory symptoms, rehospitalization, need for home oxygen therapy, lower respiratory tract infection and A-V fistula thrombosis were significantly higher in the COVID-19 group in the first 28 days of illness and between 28 and 90 days.
Mortality was significantly associated with preexisting COVID-19, age, current smoking, use of tunneled HD catheter, persistence of respiratory symptoms, rehospitalization, need for home oxygen support, presence of lower respiratory tract infection within 28 days and persistence of respiratory symptoms.
CONCLUSION
In the post-COVID-19 period, mortality, rehospitalization, respiratory problems and vascular access problems are higher in maintenance HD patients who have had COVID-19 compared to control HD patients.
Table 2. Comparative presentation of patients data on the 28th day and between 28 and 90 day COVID-19 groupN = 635 Control groupN = 588 28th-day results, n(%) Death* 19(3.0) 0(0) Any respiratory symptoms* 152(23.9) 11(1.9) Rehospitalization for any reason* 52(8.2) 24(4.1) Need for home oxygen support * 26(4.1) 2(0.3) Lower respiratory tract infection* 65(10.2) 8(1.4) AV fistula thrombosis* 13(2.0) 2(0.3) Other thromboembolic events * 15(2.4) 4(0.7) Need for HD catheter placement* 21(3.3) 9(1.5) 28th day-90. day resultsa n(%) N:616 N:588 Death* 15(2.4) 4(0.7) Any respiratory symptoms* 45(7.3) 10(1.7) Rehospitalization for any reason* 44(7.1) 18(3.1) Need for home oxygen support* 12(1.9) 2(0.3) AV fistula thrombosis* 9(1.5) 1(0.2) Other thromboembolic events* 9(1.5) 2(0.3) Need for HD catheter placement 13(2.1) 10(1.7) HD: haemodialysis, AV: arteriovenous. *P < .05. a Patients who died before 28 days were not included.
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Affiliation(s)
- Savas Ozturk
- Division of Nephrology, Department of Internal Medicine, Istanbul University Istanbul Faculty of Medicine, Istanbul, Turkey
| | - Kenan Turgutalp
- Division of Nephrology, Department of Internal Medicine, Mersin University, Medical Faculty Hospital, Mersin, Turkey
| | - Mustafa Arici
- Department of Nephrology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Numan Gorgulu
- Division of Nephrology, Department of Internal Medicine, University of Health Sciences, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Halil Zeki Tonbul
- Division of Nephrology, Department of Internal Medicine, Necmettin Erbakan University, Konya, Turkey
| | - Necmi Eren
- Department of Nephrology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
| | - Vedat Gencer
- Division of Nephrology, Department of Internal Medicine,Yozgat Bozok University, Faculty of Medicine, Yozgat, Turkey
| | - Deniz Ayli
- Department of Nephrology, University of Health Sciences, Diskapi Yildirim Beyazit Education and Research Hospital, Ankara, Turkey
| | - Irem Pembegul
- Nephrology Department, Malatya Turgut Özal University, Malatya, Turkey
| | - Murside Esra Dolarslan
- Department of Nephrology, University of Health Sciences, Trabzon Kanuni Education and Research Hospital, Trabzon, Turkey
| | - Zeynep Ural
- Division of Nephrology, Department of Internal Medicine, Gazi University, Ankara Faculty of Medicine, Ankara, Turkey
| | - Hulya Colak
- Division of Nephrology, Department of Internal Medicine, Health Sciences University Faculty of Medicine, Education and Research Hospital, İzmir, Turkey
| | - Tuba Elif Ozler
- Division of Nephrology, Department of Internal Medicine, Kanuni Sultan Süleyman Research and Training Hospital, Istanbul, Turkey
| | - Ozgur Can
- Department of Nephrology, Bitlis State Hospital, Bitlis, Turkey
| | - Mehmet Emin Demir
- Division of Nephrology, Department of Internal Medicine, Yeni Yuzyil University Faculty of Medicine, Istanbul, Turkey
| | - Orcun Altunoren
- Department of Internal Medicine, Department of Nephrology, Kahramanmaras Sutcu Imam University Faculty of Medicine, Education and Research Hospital, Kahramanmaraş, Turkey
| | - Bulent Huddam
- Division of Nephrology, Departmant of Internal Medicine,, Mugla Sitki Kocman University Faculty of Medicine, Education and Research Hospital, Muğla, Turkey
| | - Kursad Onec
- Division of Nephrology, Department of Internal Medicine, Duzce University, Duzce Faculty of Medicine, Düzce, Turkey
| | - Bülent Demirelli
- Department of Nephrology, University of Health Sciences, Haydarpasa Numune Education and Research Hospital, Istanbul, Turkey
| | - Zeki Aydin
- Department of Nephrology, Darica Farabi Training and Research Hospital, Kocaeli, Turkey
| | - Eda Altun
- Department of Nephrology, Golcuk Necati Celik Statement Hospital, Kocaeli, Turkey
| | - Selma Alagoz
- Department of Internal Medicine, Department of Nephrology, University of Health Sciences, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Yavuz Ayar
- Division of Nephrology, Bursa City Hospital, Bursa, Turkey
| | - Zeynep Ebru Eser
- Division of Nephrology, Department of Internal Medicine, Mersin University, Medical Faculty Hospital, Mersin, Turkey
| | - Bayram Berktaş
- Division of Nephrology, Department of Internal Medicine, Inonu University, Turgut Ozal Medical Center, Malatya, Turkey
| | - Zulfukar Yilmaz
- Division of Nephrology, Department of Internal Medicine, Dicle University, Faculty of Medicine, Diyarbakır, Turkey
| | - Eser Uslu Ates
- Department of Nephrology, Antalya Atatürk State HospitalAntalya, Turkey
| | - Enver Yuksel
- Department of Nephrology, Diyarbakır Gazi Yaşargil Training and Research Hospital Nephrology/Dialysis Department, Diyarbakır, Turkey
| | - Gizem Kumru Sahin
- Department of Nephrology, University of Health Sciences, Van Training and Research Hospital, Van, Turkey
| | - Merve Aktar
- Division of Nephrology, Department of Internal Medicine, Ankara University Faculty of Medicine, Ankara, Turkey
| | - Egemen Cebeci
- Division of Nephrology, Haseki Training and Research Hospital, Istanbul, Turkey
| | - Belda Dursun
- Division of Nephrology, Department of Internal Medicine, Pamukkale University, Faculty of Medicine, Denizli, Turkey
| | - Sibel Yucel Kocak
- Department of Nephrology, University of Health Sciences, Bakirkoy DrSadi Konuk Training and Research Hospital, Istanbul, Turkey
| | - Abdulmecit Yildiz
- Division of Nephrology, Department of Internal Medicine, School of Medicine, Bursa Uludag University, Bursa, Turkey
| | - Sinan Kazan
- Department of Nephrology, Afyonkarahisar State Hospital, Afyonkarahisar, Turkey
| | - Mahmut Gok
- Department of Nephrology, University of Health Sciences, Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey
| | - Sengul Erkan
- Department of Nephrology, Health Science University, Kocaeli Derince Education and Research Hospital, Kocaeli, Turkey
| | - Murat Tugcu
- Division of Nephrology, Department of Internal Medicine, Marmara University, Pendik Training and Research Hospital, Istanbul, Turkey
| | - Ramazan Ozturk
- Department of Nephrology, University of Health Sciences Ankara Training and Research Hospital, Ankara, Turkey
| | - Serdar Kahvecioglu
- Department of Nephrology, University of Health Sciences, Bursa Yuksek Ihtisas Training and Research Hospital, Bursa, Turkey
| | - Ekrem Kara
- Division of Nephrology, Department of Internal Medicine, Recep Tayyip Erdogan University, Faculty of Medicine, Rize, Turkey
| | - Bulent Kaya
- Division of Nephrology, Department of Internal Medicine, Cukurova University, Faculty of Medicine, Adana, Turkey
| | - Garip Sahin
- Division of Nephrology, Department of Internal Medicine, Eskisehir Osmangazi University Faculty of Medicine, Eskisehir, Turkey
| | - Tamer Sakaci
- Department of Nephrology, Sciences University, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey
| | - Savas Sipahi
- Division of Nephrology, Department of Internal Medicine, Sakarya University Faculty of Medicine, Education and Research Hospital, Sakarya, Turkey
| | - Ilhan Kurultak
- Division of Nephrology, Department of Internal Medicine, Trakya University, Faculty of Medicine, Edirne, Turkey
| | - Beyza Algül Durak
- Department of Nephrology, Ankara Bilkent City Hospital, Ankara, Turkey
| | - Mehmet Riza Altiparmak
- Division of Nephrology, Department of Internal Medicine, Istanbul University- Cerrahpasa Cerrahpasa Faculty of Medicine, Istanbul, Turkey
| | - Sabahat Alisir Ecder
- Division of Nephrology, Department of Internal Medicine, Istanbul Medeniyet University Faculty of Medicine, Istanbul, Turkey
| | - Serhat Karadag
- Department of Nephrology, Haseki Training and Research Hospital, Istanbul, Turkey
| | - Mevlut Tamer Dincer
- Department of Nephrology, University of Health Sciences, Bagcilar Training and Research Hospital, Istanbul, Turkey
| | - Hakan Ozer
- Division of Nephrology, Department of Internal Medicine, Konya Necmettin Erbakan University, Meram Faculty of Medicine, Konya, Turkey
| | - Sibel Bek
- Division of Nephrology, Department of Internal Medicine, Kocaeli University Hospital, Kocaeli, Turkey
| | - Sena Ulu
- Division of Nephrology, Department of Internal Medicine, Bahcesehir University, Faculty of Medicine, Istanbul, Turkey
| | - Ozkan Gungor
- Department of Nephrology, Kahramanmaras Sutcu Imam University Faculty of Medicine, Education and Research Hospital, Kahramanmaraş, Turkey
| | - Elif Ari Bakir
- Department of Nephrology, University of Health Sciences, Kartal Training Hospital, Istanbul, Turkey
| | - Ali Riza Odabas
- Department of Nephrology, University of Health Sciences, Sultan Abdulhamid Han Training and Research Hospital, Istanbul, Turkey
| | - Nurhan Seyahi
- Division of Nephrology, Department of Internal Medicine, Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Istanbul, Turkey
| | - Alaattin Yildiz
- Division of Nephrology, Department of Internal Medicine, Istanbul University, İstanbul School of Medicine, Istanbul, Turkey
| | - Kenan Ateş
- Department of Nephrology, Ankara University Faculty of Medicine, Ankara, Turkey
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Yildiz A, Keskin S, Arslan M. Retroperitoneal laparoscopic partial nephrectomy: A comparison of posterior and anterior renal masses. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)00124-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Guzel A, Anıl H, Yildiz A, Arslan M. Comparison of functional outcomes of On-clamp versus Off-clamp method in retroperitoneal laparoscopic partial nephrectomy. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)00121-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Ozturk S, Turgutalp K, Arici M, Gorgulu N, Tonbul HZ, Eren N, Gencer V, Ayli MD, Pembegul İ, Dolarslan ME, Ural Z, Colak H, Ozler TE, Can O, Demir ME, Altunoren O, Huddam B, Onec K, Demirelli B, Aydin Z, Altun E, Alagoz S, Ayar Y, Eser ZE, Berktas B, Yilmaz Z, Ates EU, Yuksel E, Sahin GK, Aktar M, Cebeci E, Dursun B, Kocak SY, Yildiz A, Kazan S, Gok M, Sengul E, Tugcu M, Ozturk R, Kahvecioglu S, Kara E, Kaya B, Sahin G, Sakaci T, Sipahi S, Kurultak İ, Durak BA, Altiparmak MR, Ecder SA, Karadag S, Dincer MT, Ozer H, Bek SG, Ulu MS, Gungor O, Bakir EA, Odabas AR, Seyahi N, Yildiz A, Ates K. The Longitudinal Evolution of Post-COVID-19 Outcomes Among Hemodialysis Patients in Turkey. Kidney Int Rep 2022; 7:1393-1405. [PMID: 35350104 PMCID: PMC8949692 DOI: 10.1016/j.ekir.2022.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 02/27/2022] [Accepted: 03/14/2022] [Indexed: 10/25/2022] Open
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Isiktas Sayilar E, Ersoy A, Ayar Y, Aydin MF, Sahin AB, Coskun B, Kaygisiz O, Yildiz A, Kordan Y, Vuruskan H. Factors Influencing Lymphocele Development After Kidney Transplant: Single Center Experience. EXP CLIN TRANSPLANT 2022; 21:116-122. [PMID: 31250740 DOI: 10.6002/ect.2018.0293] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES Lymphocele is a well-known postoperative surgical complication after kidney transplant. In this study, our aim was to analyze incidence, risk factors, and outcomes of posttransplant lymphocele in a large cohort. MATERIALS AND METHODS This observational study included 395 consecutive patients (219 males and 176 females) who underwent kidney transplant procedures from 183 living and 212 deceased donors in our center between January 2007 and 2014. A lymphocele was diagnosed with ultrasonography. RESULTS The incidence of lymphoceles in our cohort was 31.9% (n = 126). There were no significant dif-ferences with regard to body mass indexes, age of donors, deceased donor ratios, acute rejection episodes, and history of abdominal surgery between those with and without lymphoceles. The pre-transplant serum albumin levels (3.29 ± 0.67 vs 3.48 ± 0.69 g/dL; P = .009) in the lymphocele group and diabetes mellitus ratios (15.9% vs 4.5%; P < .001) in the nonlymphocele group were lower than levels shown in the other group. The lymphocele ratio in patients who received cyclosporine was higher than that shown in patients who did not received it (37.5% vs. 27.4%; P = .032). There was no difference in lymphocele incidence between patients who were taking and those who were not taking mammalian target of rapamycin inhibitors, mycophenolate mofetil, or mycophenolate sodium. In regression analysis, presence of diabetes mellitus, transplant from deceased donors, older age of donors, and lower albumin levels were independent risk factors for posttransplant lymphocele occurrence. CONCLUSIONS Posttransplant lymphocele was a relatively common surgical complication in our cohort. We concluded that diabetes mellitus, use of kidneys from deceased donors, older donor age, and hypoalbuminemia were independent risk factors for lymphocele development.
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Affiliation(s)
- Emel Isiktas Sayilar
- From the Department of Nephrology, Uludag University Faculty of Medicine, Bursa, Turkey
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Ertuglu L, Yildiz A, Gamboa J, Ikizler TA. Skeletal muscle energetics in patients with moderate to advanced kidney disease. Kidney Res Clin Pract 2022; 41:14-21. [PMID: 35108768 PMCID: PMC8816417 DOI: 10.23876/j.krcp.21.175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 10/05/2021] [Indexed: 11/04/2022] Open
Abstract
Sarcopenia, defined as decrease in muscle function and mass, is common in patients with moderate to advanced chronic kidney disease (CKD) and is associated with poor clinical outcomes. Muscle mitochondrial dysfunction is proposed as one of the mechanisms underlying sarcopenia. Patients with moderate to advanced CKD have decreased muscle mitochondrial content and oxidative capacity along with suppressed activity of various mitochondrial enzymes such as mitochondrial electron transport chain complexes and pyruvate dehydrogenase, leading to impaired energy production. Other mitochondrial abnormalities found in this population include defective beta-oxidation of fatty acids and mitochondrial DNA mutations. These changes are noticeable from the early stages of CKD and correlate with severity of the disease. Damage induced by uremic toxins, oxidative stress, and systemic inflammation has been implicated in the development of mitochondrial dysfunction in CKD patients. Given that mitochondrial function is an important determinant of physical activity and performance, its modulation is a potential therapeutic target for sarcopenia in patients with kidney disease. Coenzyme Q, nicotinamide, and cardiolipin-targeted peptides have been tested as therapeutic interventions in early studies. Aerobic exercise, a well-established strategy to improve muscle function and mass in healthy adults, is not as effective in patients with advanced kidney disease. This might be due to reduced expression or impaired activation of peroxisome proliferator-activated receptor-gamma coactivator 1α, the master regulator of mitochondrial biogenesis. Further studies are needed to broaden our understanding of the pathogenesis of mitochondrial dysfunction and to develop mitochondrial-targeted therapies for prevention and treatment of sarcopenia in patients with CKD.
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Affiliation(s)
- Lale Ertuglu
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Abdulmecit Yildiz
- Division of Nephrology, Department of Medicine, Uludag University, Bursa, Turkey
| | - Jorge Gamboa
- Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - T. Alp Ikizler
- Division of Nephrology and Hypertension, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
- Vanderbilt Center for Kidney Disease, Vanderbilt University Medical Center, Nashville, TN, USA
- Veterans Health Affairs, Tennessee Valley Healthcare System, Nashville, TN, USA
- Correspondence: T. Alp Ikizler Division of Nephrology, Vanderbilt University Medical Center, 1161 21st Avenue South, S-3223 Medical Center North, Nashville 37232, TN, USA. E-mail:
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Aras MR, Albayrak M, Yildiz A, Maral S, A Ozturk HB, Tiglioglu P, Tiglioglu M, Saglam B, Yilmaz F. The prognostıc significance of blood counts in patients with hodgkin lymphoma. Niger J Clin Pract 2022; 25:1332-1337. [DOI: 10.4103/njcp.njcp_175_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
Autosomal dominant polycystic kidney disease (ADPKD) is the most prevalent hereditary kidney disease. Recent evidence suggests that the pathogenesis of ADPKD is a complex web of abnormal cellular processes including altered cell signaling, disordered cell metabolism, impaired autophagy, increased apoptosis, mitochondrial dysfunction and chronic inflammation. Sodium–glucose cotransporter (SGLT) inhibitors (SGLTi) reduce body weight, blood pressure and blood glucose levels, have kidney and cardiovascular protective activity, and have been reported to decrease inflammation, increase autophagy and improve mitochondrial dysfunction. We now review results from preclinical studies on SGLTi for ADPKD identified through a systematic search of the MEDLINE, Cochrane Library, Embase and PubMed databases. Potential underlying mechanisms for the conflicting results reported as well as implications for clinical translation are discussed, as ADPKD patients were excluded from clinical trials exploring kidney protection by SGLT2 inhibitors (SGLT2i). However, they were not excluded from cardiovascular safety trials or trials for cardiovascular conditions. A post-hoc analysis of the kidney function trajectories and safety of SGLT2i in ADPKD patients enrolled in such trials may provide additional information. In conclusion, SGLT2i are cardio- and nephroprotective in diverse clinical situations. Currently, it is unclear whether ADPKD patients may benefit from SGLT2i in terms of kidney function preservation, and their safety in this population remains unexplored. We propose a roadmap to address this unmet clinical need.
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Affiliation(s)
- Baris Afsar
- Department of Medicine, Division of Nephrology, Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Rengin Elsurer Afsar
- Department of Medicine, Division of Nephrology, Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Atalay Demiray
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Sevval Altay
- Department of Medicine, Koc University School of Medicine, Istanbul, Turkey
| | - Hakan Korkmaz
- Department of Medicine, Division of Endocrinology, Suleyman Demirel University School of Medicine, Isparta, Turkey
| | - Abdulmecit Yildiz
- Department of Medicine, Division of Nephrology, Uludag University School of Medicine, Bursa, Turkey
| | - Adrian Covic
- Nephrology Clinic, Dialysis and Renal Transplant Center, ‘C.I. PARHON’ University Hospital, and ‘Grigore T. Popa’ University of Medicine, Iasi, Romania
| | - Alberto Ortiz
- Department of Medicine, Universidad Autonoma de Madrid and IIS-Fundacion Jimenez Diaz, Madrid, Spain
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Dheir H, Güngör Ö, Ulu MS, Gök Oğuz E, Eren N, Altunören O, Tatar E, Atilgan KG, Karaköse S, Güney I, Eroğlu E, Mutluay R, Bozaci I, Alp A, Akdam H, Seziş Demirci M, Soypaçaci Z, Akarsu Ö, Paydaş S, Ercan Z, Kara E, Topal C, Yavaş HH, Tekkarişmaz N, Turgutalp K, Hüzmeli C, Inci A, Karaveli Gürsoy G, Güneş Keskin AJ, Huddam B, Hür E, Yildiz A, Bekfilavioğlu G, Şahutoğlu T, Tuncay M, Bardak S, Bakirdöğen S, Yilmaz Z, Günay E, Tunca O, Kazan S, Pembegül Yiğit I, Saritaş H, Sevinç C, Kaptanoğullari H, Gökçay Bek S, Kurultak I, Değirmenci A, Şakaci M, Kiliç I, Aydin Z, Çolak H, Dervişoğlu E, Şahin G, Ayli MD, Sipahi S, Derici Ü. Pregnancy and its outcomes in hemodialysis patients in Turkey. Turk J Med Sci 2021; 52. [PMID: 34844294 PMCID: PMC10381206 DOI: 10.3906/sag-2106-120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 04/14/2022] [Accepted: 11/27/2021] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND/AIM This study aimed to investigate pregnancy frequency and evaluate the factors affecting live births in hemodialysis (HD) patients. MATERIALS AND METHODS Female HD patients whose pregnancy was retrospectively reported between January 1, 2014, and December 31, 2019. The duration of HD, primary disease, whether the pregnancy resulted in abortion, stillbirth, or live birth, whether the HD duration was prolonged after diagnosing the pregnancy and whether it accompanied preeclampsia were recorded. RESULTS In this study, we reached 9038 HD female patients? data in the study. A total of 235 pregnancies were detected in 145 patients. The mean age was 35.42 (35 ± 7.4) years. The mean age at first gestation was 30.8 ± 6.5 years. The average birth week was 32 (28 - 36) weeks. 53.8% (no = 78) of the patients had live birth, 51.7% (no = 70) had at least one abortion in the first 20 weeks, and 13.1% (no = 19) had at least one stillbirth after 20 weeks. The rate of patients' increased numbers of dialysis sessions during pregnancy was 71.7%. The abortion rate was 22.4% in those with increased HD sessions, whereas 79.3% in those not increased HD sessions (p < 0.001). Live birth frequency was 67.2% in the increased HD sessions group and 3.4% in those who did not differ in HD sessions (p < 0.001). CONCLUSION For the first time, we reported pregnancy outcomes in HD female patients, covering all regions of Turkey. It has been observed that; increasing the number of HD sessions in dialysis patients will decrease fetal and maternal complications and increase live birth rates.
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21
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Gul CB, Yildiz A, Sag S, Oruc A, Ersoy A, Gullulu S. The Effect of Smoking on Endothelial Dysfunction in Autosomal Dominant Polycystic Kidney Disease Patients with Preserved Renal Function. Ren Fail 2021; 43:1124-1129. [PMID: 34256663 PMCID: PMC8279153 DOI: 10.1080/0886022x.2021.1949348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Background In autosomal dominant polycystic kidney disease (ADPKD), endothelial dysfunction (ED) is common and occurs much earlier than kidney function impairment. The impact of smoking on ED in ADPKD patients has not been previously studied. The aim of this study was to investigate the potential contribution of smoking habits to ED and subclinical atherosclerosis in these patients. Methods This case-control study included 54 ADPKD patients with preserved renal function and 45 healthy control subjects. ED was assessed using ischemia-induced forearm flow-mediated dilatation (FMD). Carotid intima-media thickness (CIMT) was measured from 10 mm proximal to the right common carotid artery. Clinical demographic characteristics and laboratory data were recorded for the patients and control group. Regression analysis was used to determine independent associations of ED and CIMT. Results FMD was significantly lower in the ADPKD patients (19.5 ± 5.63 vs. 16.56 ± 6.41, p = .018). Compared with nonsmoker ADPKD patients, smoker patients had significantly lower FMD values (18.19 ± 6.52 vs. 13.79 ± 5.27, p = .013). In multiple regression analysis, age (β = –0.294, 95% CI: −0.392: −1.96, p = .001) for FMD and smoking (β = 1.328, 95% CI: 0.251, 2.404, p = .017) for CIMT were independent predictors. Conclusions Patients with ADPKD had more impaired endothelial function and subclinical atherosclerosis compared with control subjects. Smoking may increase the risk of subclinical atherosclerosis in ADPKD patients.
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Affiliation(s)
- Cuma Bulent Gul
- Department of Nephrology, Bursa Yuksek Ihtisas Training and Research Hospital, Bursa, Turkey
| | - Abdulmecit Yildiz
- Department of Nephrology, Uludag University Faculty of Medicine, Bursa, Turkey
| | - Saim Sag
- Department of Cardiology, Acibadem University Faculty of Medicine, Istanbul, Turkey
| | - Aysegul Oruc
- Department of Nephrology, Uludag University Faculty of Medicine, Bursa, Turkey
| | - Alparslan Ersoy
- Department of Nephrology, Uludag University Faculty of Medicine, Bursa, Turkey
| | - Sumeyye Gullulu
- Department of Cardiology, Uludag University Faculty of Medicine, Bursa, Turkey
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Oruc A, Yildiz A, Akgur S, Aydin MF, Ersoy A, Yavuz M, Dilek K, Gullulu M. Screening for Fabry Disease in Patients Who Underwent Renal Biopsy and Identification of a Novel Mutation. Turk J Nephrol 2021. [DOI: 10.5152/turkjnephrol.2021.4709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Cicek MC, Gunseren KO, Aydin YM, Yildiz A, Elgin E, Ersoy A. Monocyte-to-High-Density Lipoprotein Cholesterol Ratio Is Independently Associated With All-Cause Mortality in Deceased Donor Kidney Transplant Recipients. EXP CLIN TRANSPLANT 2021; 19:1041-1047. [PMID: 33877042 DOI: 10.6002/ect.2021.0024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES The primary objective of this study was to evaluate the impact of monocyte-to-high-density lipoprotein cholesterol ratio on all-cause mortality in deceased donor kidney transplant recipients. MATERIALS AND METHODS This was a retrospective observational study in which all deceased donor kidney transplant recipients were included. Relevant data for analyses included clinical and demographic features, laboratory values, number of HLA matches, occurrence of delayed graft function, cold ischemia time, and survival status. Kaplan-Meier survival analysis and Cox proportional hazards analysis were performed to determine the effects of monocyte-to-high-density lipoprotein cholesterol ratio on all-cause mortality. RESULTS Our study included 325 deceased donor kidney transplant recipients (43.1% females, mean age of 44.5 ± 11.2 years). Median value of monocyte-to-high-density lipoprotein cholesterol ratio was 14.0 (interquartile range, 9.94-21.03). The total median observation time was 227 weeks (range, 115-345 weeks). Twenty deaths (12.3%) occurred during the follow-up period in recipients with monocyte-to-highdensity lipoprotein cholesterol ratio below median value, whereas 47 deaths (29%) occurred in recipients with ratio above the median (P < .001). Log-rank test showed significantly higher mortality in the group with monocyte-to high density lipoprotein cholesterol ratio higher than median (P = .001). In the multivariate Cox model, delayed graft function, duration of dialysis, cold ischemia time, and monocyte-to-high-density lipoprotein cholesterol ratio group appeared as independent predictors of all-cause mortality. CONCLUSIONS Monocyte-to-high-density lipoprotein cholesterol ratio before kidney transplant seems to affect survival independently in deceased donor kidney transplant recipients.
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Affiliation(s)
- Mehmet Cagatay Cicek
- From the Department of Urology, Faculty of Medicine, Uludag University, Bursa, Turkey
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Yilmaz F, Albayrak M, Tiglioglu M, Aras M, Maral S, Yildiz A, Malkan U. Alk (−) anaplastic large cell lymphoma diagnosed by tongue root biopsy: case report. Hematol Transfus Cell Ther 2020. [DOI: 10.1016/j.htct.2020.09.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Tanriverdi O, Arziman S, Kucukvardar S, Yildiz A. 22P Salicylidene Acylhydrazides attenuate SH-SY5Y neuroblastoma cell survival through mitotic regulator Speedy/RINGO and ERK/ MAPK - PI3K/ AKT pathways. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Sarihan I, Caliskan Y, Mirioglu S, Ozluk Y, Senates B, Seyahi N, Basturk T, Yildiz A, Kilicaslan I, Sever MS. Amyloid A Amyloidosis After Renal Transplantation: An Important Cause of Mortality. Transplantation 2020; 104:1703-1711. [PMID: 32732850 DOI: 10.1097/tp.0000000000003043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND There are limited data on the outcome of transplant recipients with familial Mediterranean fever (FMF)-associated AA amyloidosis. The aim of the present study is to evaluate demographic, clinical, laboratory, and prognostic characteristics and outcome measures of these patients. METHODS Eighty-one renal transplant recipients with FMF-associated AA amyloidosis (group 1) and propensity score-matched transplant recipients (group 2, n = 81) with nonamyloidosis etiologies were evaluated in this retrospective, multicenter study. Recurrence of AA amyloidosis was diagnosed in 21 patients (group 1a), and their features were compared with 21 propensity score-matched recipients with FMF amyloidosis with no laboratory signs of recurrence (group 1b). RESULTS The risk of overall allograft loss was higher in group 1 compared with group 2 (25 [30.9%] versus 12 [14.8%]; P = 0.015 [hazard ratio, 2.083; 95% confidence interval, 1.126-3.856]). Patients in group 1 were characterized by an increased risk of mortality compared with group 2 (11 [13.6%] versus 0%; P = 0.001 [hazard ratio, 1.136; 95% confidence interval, 1.058-1.207]). Kaplan-Meier analysis revealed that 5- and 10-year patient survival rates in group 1 (92.5% and 70.4%) were significantly lower than in group 2 (100% and 100%; P = 0.026 and P = 0.023, respectively). Although not reaching significance, overall, 5- and 10-year graft survival rates (57.1%, 94.7%, and 53.8%, respectively) in group 1a were worse than in group 1b (76.2%, 95%, and 77.8%, respectively; P = 0.19, P = 0.95, and P = 0.27, respectively). CONCLUSIONS AA amyloidosis is associated with higher risk of mortality after kidney transplantation. Inflammatory indicators should be monitored closely, and persistent high levels of acute-phase reactants should raise concerns about amyloid recurrence in allograft.
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Affiliation(s)
- Irem Sarihan
- Division of Nephrology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Yasar Caliskan
- Division of Nephrology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
- Division of Nephrology and Hypertension, Saint Louis University School of Medicine, Saint Louis, MO
| | - Safak Mirioglu
- Division of Nephrology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Yasemin Ozluk
- Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Banu Senates
- Division of Nephrology, Department of Internal Medicine, Cerrahpasa Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Nurhan Seyahi
- Division of Nephrology, Department of Internal Medicine, Cerrahpasa Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Taner Basturk
- Division of Nephrology, Sisli Hamidiye Etfal Training and Education Hospital, Istanbul, Turkey
| | - Abdulmecit Yildiz
- Division of Nephrology, Department of Internal Medicine, Uludag University Faculty of Medicine, Bursa, Turkey
| | - Isin Kilicaslan
- Department of Pathology, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Mehmet Sukru Sever
- Division of Nephrology, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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Yildiz A, Ulu MS, Oruc A, Ucar AR, Ozturk S, Alagoz S, Eren N, Kocyigit I, Koksal Cevher S, Haras AB, Sumnu A, Arinsoy T, SAHIN G, Suleymanlar G, Cavdar C, Kumru Şahin G, Kurultak I, Unsal A, Manga Sahin G, Kazan S, Vatansever B, Dikec M, Dursun B, Sayarlioglu H, Turkmen K, Artan AS, Aktas N, Yilmaz Z, Behlül A, Dheir H, Kutlay S, Seyahi N. P0425MEMBRANOUS NEPHROPATHY IN TURKEY: TURKISH SOCIETY OF NEPHROLOGY GLOMERULER DISEASES (TSN-GOLD) DATABASE RESULTS. Nephrol Dial Transplant 2020. [DOI: 10.1093/ndt/gfaa142.p0425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background and Aims
Membranous nephropathy (MN) is the most common cause of nephrotic syndrome in the adult population. The aim of our study is to determine the demographic and clinical characteristics and biopsy findings of the patients diagnosed with MN in our country.
Method
The study included 991 patients with renal biopsy who were followed in 47 nephrology clinics and enrolled in the database of Turkish Nephrology Primary Glomerular Diseases (TSN-GOLD) Working Group between May 1, 2009, and June 1, 2019. The demographic and clinical characteristics and biopsy findings of all patients included in the study were analyzed.
Results
The mean age of patients included in our study was 46±14.8 years and the gender distribution was (M / F, 582/409). 80.3% (n = 796) of the patients had nephrotic proteinuria at the time of diagnosis. Before the biopsy, the PLAR2 antibody was examined in 137 patients and positive in 71.5% (n = 98) patients. Hypertension was present in 34.6% (n = 343) of the patients. Mean estimated glomerular filtration rate was 93.9±32.8 ml/min/1.73 m2, albumin level was 2.7 ± 0.2 mg/dL, proteinuria level in urine was 7,1±6,4 gr/day and total cholesterol level was 295±3.7 mg/dL. On light microscopy, baseline membrane thickening was found in 92% (n=907) and interstitial inflammation in 53% (n=524) specimens. In immunofluorescence staining, 3 (+) IgG accumulation was highest in 578 (58.3%) of the specimen.
Conclusion
This multicentre study is the largest study to analyze clinical, laboratory, and biopsy specimens of MN patients at the time of biopsy in our country. The findings are consistent with the literature. Prospective follow-up results of these patients will help us to understand the renal prognosis and treatment response better.
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Affiliation(s)
| | | | - Aysegul Oruc
- Uludag University, Medical Faculty, Nephrology, Bursa, Turkey
| | - Ali Riza Ucar
- Istanbul University, Istanbul Medical Faculty, Nephrology, Istanbul, Turkey
| | - Savas Ozturk
- Haseki Training and Research Hospital, Nephrology, Istanbul, Turkey
| | - Selma Alagoz
- Istanbul University, Cerrahpasa Medical Faculty, Nephrology, Istanbul, Turkey
| | - Necmi Eren
- Kocaeli University, Medical Faculty, Nephrology, Kocaeli, Turkey
| | - Ismail Kocyigit
- Erciyes University, Medical Faculty, Nephrology, Kayseri, Turkey
| | | | - Ali Burak Haras
- Dr. Lutfi Kirdar Kartal Training and Research Hospital, Nephrology, Istanbul, Turkey
| | - Abdullah Sumnu
- Medipol University, Medical Faculty, Nephrology, Istanbul, Turkey
| | - Turgay Arinsoy
- Gazi University, Medical Faculty, Nephrology, Ankara, Turkey
| | - Garip SAHIN
- Eskisehir Osmangazi University, Medical Faculty, Nephrology, Eskisehir, Turkey
| | | | - Caner Cavdar
- Dokuz Eylul University, Medical Faculty, Nephrology, Izmir, Turkey
| | - Gizem Kumru Şahin
- Ankara University, Medical Faculty, İbni Sina Hospital, Nephrology, Ankara, Turkey
| | - Ilhan Kurultak
- Trakya University, Medical Faculty, Nephrology, Edirne, Turkey
| | - Abdulkadir Unsal
- Hamidiye Sisli Etfal Training and Research Hospital, Nephrology, Istanbul, Turkey
| | - Gulizar Manga Sahin
- Sultan Abdulhamit Han Research and Training Hospital, Nephrology, Istanbul, Turkey
| | - Sinan Kazan
- Afyon University, Medical Faculty, Nephrology, Afyon, Turkey
| | - Bulent Vatansever
- Bozyaka Training and Research Hospital, Internal Medicine, Izmir, Turkey
| | - Mehmet Dikec
- Bakirkoy Sadi Konuk Training and Research Hospital, Nephrology, Istanbul, Turkey
| | - Belda Dursun
- Pamukkale University, Medical Faculty, Nephrology, Denizli, Turkey
| | | | - Kultigin Turkmen
- Necmettin Erbakan University, Meram Medical Faculty, Nephrology, Konya, Turkey
| | - Ayse Serra Artan
- Bezmialem Vakif University, Medical Faculty, Nephrology, Istanbul, Turkey
| | - Nimet Aktas
- Bursa Yuksek Ihtisas Training and Research Hospital, Nephrology, Bursa, Turkey
| | - Zulfikar Yilmaz
- Dicle University, Medical Faculty, Nephrology, Diyarbakir, Turkey
| | - Ahmet Behlül
- Burhan Nalbantoglu State Hospital, Nephrology, Lefkosa, Cyprus
| | - Hamad Dheir
- Sakarya University, Medical Faculty, Nephrology, Sakarya, Turkey
| | - Sim Kutlay
- Ankara University, Medical Faculty, İbni Sina Hospital, Nephrology, Ankara, Turkey
| | - Nurhan Seyahi
- Istanbul University, Cerrahpasa Medical Faculty, Nephrology, Istanbul, Turkey
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Ahmadian R, Ercan I, Sigirli D, Yildiz A. Combining binary and continuous biomarkers by maximizing the area under the receiver operating characteristic curve. COMMUN STAT-SIMUL C 2020. [DOI: 10.1080/03610918.2020.1742354] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Robab Ahmadian
- Department of Biostatistics, Uludag University, Bursa, Turkey
| | - Ilker Ercan
- Department of Biostatistics, Uludag University, Bursa, Turkey
| | - Deniz Sigirli
- Department of Biostatistics, Uludag University, Bursa, Turkey
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Oruc A, Ersoy A, Kocaeli AA, Yildiz A, Gul OO, Ertürk E, Ersoy C. Association Between Resistance to Cinacalcet and Parathyroid Gland Hyperplasia in Kidney Transplant Recipients with Persistent Hypercalcemia. Int J Organ Transplant Med 2020; 11:107-114. [PMID: 32913586 PMCID: PMC7471614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Persistent hypercalcemia and hyperparathyroidism after successful kidney transplantation can be detrimental in some recipients and should be ameliorated. OBJECTIVE To point out the concerns regarding resistance to cinacalcet in kidney transplant recipients with persistent hypercalcemia. METHODS 14 renal transplant recipients who received cinacalcet treatment because of persistent hypercalcemia were included in the study. Serum creatinine, estimated glomerular filtration rate (eGFR), calcium, phosphorus, and intact parathyroid hormone (PTH) levels at the baseline and throughout the treatment, and ultrasonography and parathyroid scintigraphy findings were recorded. RESULTS Cinacalcet treatment was initiated after a mean±SD of 20.7±19.7 months of transplantation and maintained for 16.9±7.9 months. Serum calcium levels were significantly decreased with the cinacalcet treatment. There were no significant changes in serum creatinine, eGFR, phosphorus, and PTH levels. In all participants, serum calcium levels were increased from 9.8±0.6 to 11.1±0.6 mg/dL (p<0.001) within 1 month of cessation of cinacalcet. 7 recipients with adenoma-like hyperplastic glands underwent parathyroidectomy (PTx) due to failure with cinacalcet. CONCLUSION Cinacalcet may be an appropriate treatment for a group of recipients with hypercalcemia without adenoma-like hyperplastic glands or who had a contraindication for surgery. Recipients with enlarged parathyroid gland may resist to cinacalcet-induced decrease in serum PTH, although the concomitant hypercalcemia may be corrected.
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Affiliation(s)
- A. Oruc
- Uludag University Faculty of Medicine, Department of Nephrology, Bursa, Turkey,Correspondence: Aysegul Oruc, MD, Uludag University School of Medicine, Department of Nephrology, 16059, Bursa, Turkey. ORCID: 0000-0002-0342-9692, Tel: +90-506-204-9350, E-mail:
| | - A. Ersoy
- Uludag University Faculty of Medicine, Department of Nephrology, Bursa, Turkey
| | - A. A. Kocaeli
- Uludag University Faculty of Medicine, Department of Endocrinology, Bursa, Turkey
| | - A. Yildiz
- Uludag University Faculty of Medicine, Department of Nephrology, Bursa, Turkey
| | - O. O. Gul
- Uludag University Faculty of Medicine, Department of Endocrinology, Bursa, Turkey
| | - E. Ertürk
- Uludag University Faculty of Medicine, Department of Endocrinology, Bursa, Turkey
| | - C. Ersoy
- Uludag University Faculty of Medicine, Department of Endocrinology, Bursa, Turkey
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Slimani Y, Almessiere MA, Korkmaz AD, Guner S, Güngüneş H, Sertkol M, Manikandan A, Yildiz A, Akhtar S, Shirsath SE, Baykal A. Ni 0.4Cu 0.2Zn 0.4Tb xFe 2-xO 4 nanospinel ferrites: Ultrasonic synthesis and physical properties. Ultrason Sonochem 2019; 59:104757. [PMID: 31479888 DOI: 10.1016/j.ultsonch.2019.104757] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/26/2019] [Accepted: 08/27/2019] [Indexed: 05/27/2023]
Abstract
The Fe3+ ions were replace with Tb3+ ions as highly paramagnetic rare earth element within the structure of Ni0.4Cu0.2Zn0.4Fe2O4 nano-spinel ferrites (NSFs). The structural, magnetic, spectroscopic and optic properties have been studied in details. All products have been synthesized via ultrasonic approach via Qsonica ultrasonic homogenizer, frequency: 20 kHz and power: 70 W for 60 min. No annealing or calcination process was applied for any product. The microstructural analysis of products has been done via X-ray powder diffractometry (XRD) which presented the cubic spinel structure with nanosized distribution of all. The cubic morphology of all products were confirmed by both HR-TEM and FE-SEM. Optical band gap (Eg) values were assessed by applying %DR (percent diffuse reflectance) analysis and Kubelka-Munk theory. The Tauc schemes showed that Eg values are in a narrow range (1.87-1.98 eV). The quadrupole splitting, line width, hyperfine magnetic field, isomer shift values and cation distribution have been determined from 57Fe Mossbauer analysis. The magnetic properties of various nanoparticles have been obtained from VSM (vibration sample magnetometer) measurements at 10 and 300 K (RT). The magnetic results revealed superparamagnetic and soft ferromagnetic traits at 10 and 300 K, respectively. Ms (saturation magnetization) and Mr (remanence) initially increase with increasing Tb3+ substituting level up to x = 0.06 then diminish for further x values. Hc (coercivity) shows an opposite variation tendency of Ms and Mr. The observed magnetic traits are deeply discussed in relation with the structure, morphology, magnetic moments and cation distributions.
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Affiliation(s)
- Y Slimani
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 Dammam, Saudi Arabia.
| | - M A Almessiere
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 Dammam, Saudi Arabia; Department of Physics, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 Dammam, Saudi Arabia
| | - A Demir Korkmaz
- Department of Chemistry, Istanbul Medeniyet University, 34700 Istanbul, Uskudar, Turkey
| | - S Guner
- Institute of Inorganic Chemistry, RWTH Aachen University, D-52074 Aachen, Germany
| | - H Güngüneş
- Department of Physics, Hitit University, 19030 Çevre Yolu Bulvarı-Çorum, Turkey
| | - M Sertkol
- Deanship of Preparatory Year Building 450, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 Dammam, Saudi Arabia
| | - A Manikandan
- Department of Chemistry, Bharath Institute of Higher Education and Research (BIHER), Bharath University, Chennai 600073, Tamil Nadu, India
| | - A Yildiz
- Department of Textile Engineering, Namık Kemal University, 59860 Corlu-Tekirdag, Turkey
| | - S Akhtar
- Department of Biophysics, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 Dammam, Saudi Arabia
| | - Sagar E Shirsath
- School of Materials Science and Engineering, University of New South Wales, Kensington, Sydney, NSW 2052, Australia
| | - A Baykal
- Department of Nanomedicine Research, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, 31441 Dammam, Saudi Arabia
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Yildiz A, Yigit A, Benli AR. The prognostic role of platelet to lymphocyte ratio and mean platelet volume in critically ill patients. Eur Rev Med Pharmacol Sci 2019; 22:2246-2252. [PMID: 29762825 DOI: 10.26355/eurrev_201804_14811] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE The aim of this study was to identify the relationship between complete blood count parameters, mean platelet volume (MPV), and platelet to lymphocyte ratio (PLR) with mortality and hospitalization duration in critically ill patients. PATIENTS AND METHODS A retrospective analysis was made of patients admitted to our tertiary adult i̇ntensive Care Unit (ICU) between January 2015 and January 2016. Hemoglobin (Hb), white blood cell (WBC), lymphocyte and platelet counts were obtained from the complete blood count performed at the time of admission. MPV and PLR levels were calculated from these data. Other data were retrieved from the patient follow-up records. RESULTS The investigation included a total of 306 patients. The total mortality rate was 40.2%. The initial median PLR level was 206.7 (8.1-1675.0) for non-survivor patients and 194.5 (12.8-1236.6) for survivor patients. The PLR level was higher in the non-survivor group, but there was no statistically significant difference between the groups (p>0.05). The median MPV level was 7.66 (5.17-15.25) for the survivors and 8.09 (4.36-16.19) for the non-survivors, and there was no statistically significant difference between the groups (p=0.237). The median length of stay (LOS) of all patients was 7 (2-61) days. Only the Acute Physiology and Chronic Health Evaluation (APACHE) II score was found to have a positive correlation with LOS (p<0.05). CONCLUSIONS PLR has no effect on mortality rates regardless of whether the patient has thrombocytopenia or not at the time of admission. MPV levels have no significant relationship with mortality. Neither MPV nor PLR have an effect on LOS. The use of these as a prognostic factor for mortality in critically ill patients is still unclear.
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Affiliation(s)
- A Yildiz
- Department of Hematology, Diskapi Training and Research Hospital, Ankara, Turkey, KBU Karabuk Research and Educational Hospital, Department of Internal Medicine, Karabuk, Turkey.
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Demirel C, Korkmaz H, Gurgul S, Yildiz A, Akarsu E, Erdal N. THE EFFECT OF GLUCOVANCE THERAPY ON BIOMECHANICAL DETERIORATION OF BONE IN STREPTOZOTOCIN-INDUCED DIABETIC RATS. Acta Endocrinol (Buchar) 2019; 15:301-304. [PMID: 32010347 PMCID: PMC6992399 DOI: 10.4183/aeb.2019.301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
AIM Is to evaluate the influence of glucovance therapy on biomechanical properties of bone in streptozotocin - induced diabetes mellitus (DM) in rats. MATERIALS AND METHODS A total of 28 male Wistar-Albino rats (12-week-old; 210-300 g) were divided into 4 groups including control (C; no treatment; n=7), sham [Sh; distilled water (gavage, for 8 weeks); n=7], diabetes [DM; streptozotocin (45 mg/kg, single i.p injection); n=7] and diabetes+ Glucovance treatment [DM+G; streptozotocin (45 mg/kg, single i.p injection) + Glucovance (Glucovance, 500/5 mg/kg/day/rat, gavage, for 8 weeks); n=7] groups. Body weight, blood glucose levels (BGLs), bone mineral density (BMD) and geometric/mechanical properties of bone tissue were evaluated. BGLs in diabetic rats were significantly increased compared to non-diabetic rats, while the body weights were decreased (p<0.05). RESULTS A significant difference was not detected between groups with regard to cross-sectional area of diaphyseal femur (p>0.05). Maximum load, energy absorption capacity, ultimate stress, ultimate strain, toughness and displacement were shown to decrease and stiffness was shown to increase in DM rats (p<0.05). Ultimate stress and maximum load were significantly increased in DM+G groups compared to DM groups (p<0.05). CONCLUSION Glucovance treatment seems to be effective in restoration of biomechanical deterioration of bone specific to STZ-induced DM.
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Affiliation(s)
- C. Demirel
- Gaziantep University, Faculty of Medicine, Dept. of Biophysics, Gaziantep, Turkey
| | - H. Korkmaz
- Suleyman Demirel University, Faculty of Medicine, Dept. of Endocrinology and Metabolic Disease, Isparta, Mersin University, Faculty of Medicine, Mersin, Turkey
| | - S. Gurgul
- Gaziantep University, Faculty of Medicine, Dept. of Biophysics, Gaziantep, Turkey
| | | | - E. Akarsu
- Gaziantep University, Faculty of Medicine, Dept. of Endocrinology and Metabolic Disease, Gaziantep, Turkey
| | - N. Erdal
- Dept. of Biophysics, Mersin, Turkey
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Yildiz Z, Atilgan A, Atli A, Özel K, Altinkaya C, Yildiz A. Enhancement of efficiency of natural and organic dye sensitized solar cells using thin film TiO2 photoanodes fabricated by spin-coating. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2018.09.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Oruc A, Ersoy A, Yildiz A, Oz Gul O, Ersoy C. Effect of Parathyroidectomy Timing in Kidney Transplant Recipients on Graft Function. EXP CLIN TRANSPLANT 2018; 19:316-323. [PMID: 30346261 DOI: 10.6002/ect.2018.0221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES Persistent hyperparathyroidism can have a deleterious effect on graft function in kidney transplant recipients, although serum calcium, phosphorus, and parathyroid hormone levels tend to normalize after successful transplant. Parathyroidectomy can result in sustained amelioration of persistent hyperparathyroidism despite graft failure risk and unfavorable graft outcomes. Data on this issue are limited and conflicting. Here, we evaluated the effects of parathyroidectomy on graft function in kidney transplant recipients. MATERIALS AND METHODS This retrospective study included 249 adult kidney transplant recipients (121 deceased-donor/128 living-donor; 142 males/107 females; mean age of 39.3 ± 11.6 y; mean follow-up of 46.5 ± 23.5 mo). Participants were grouped as those without (n = 222), those with pretransplant (n = 12), and those with posttransplant (n = 15) parathyroidectomy. Graft outcomes and serum calcium, phosphorus, and parathyroid hormone levels were studied. RESULTS Serum calcium levels at baseline and at 1, 3, 6, and 12 months and parathyroid hormone levels at baseline and at 6 and 12 months were higher and serum phosphorus levels at 3, 6, and 12 months were lower in the posttransplant parathyroidectomy group versus the other groups (P < .001). We observed no significant differences between groups regarding serum calcium, phosphorus, and parathyroid hormone levels at last visit. Estimated glomerular filtration rates at 3, 6, and 12 months and at last visit in the pretransplant parathyroidectomy group were higher than in those without parathyroidectomy (P < .05) and higher at 6 and 12 months than in the posttransplant parathyroidectomy group (P < .05). No significant differences regarding graft loss and patient mortality were observed among the 3 groups (P > .05). CONCLUSIONS Parathyroidectomy resulted in sustained decreased levels of serum calcium and parathyroid hormone. We observed no graft failure risk associated with parathyroidectomy in our study. Parathyroidectomy before transplant is advantageous with better graft function.
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Affiliation(s)
- Aysegul Oruc
- From the Department of Department of Nephrology, Uludag University Medical School, Bursa, Turkey
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Eren N, Gungor O, Kocyigit I, Guzel FB, Erken E, Altunoren O, Tatar E, Eroglu E, Senel E, Kaya B, Paydaş S, Onan B, Sahin S, Yilmaz M, Ulu S, Gursu M, Ozkok A, Yildiz A, Kurultak I, Ucar AR, Tanrisev M, Turgutalp K, Turan MN, Huzmeli C, Soypacaci Z, Akdam H, Huddam B, Adibelli Z, Kara E, Inci A, Turkmen E, Tekce H, Dogukan A, Turkmen A. Acute renal infarction in Turkey: a review of 121 cases. Int Urol Nephrol 2018; 50:2067-2072. [PMID: 30251011 DOI: 10.1007/s11255-018-1979-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 09/05/2018] [Indexed: 12/15/2022]
Abstract
PURPOSE Renal infarction is a clinical condition which is caused by renal artery occlusion and leads to permanent renal parenchymal damage. In the literature, there are generally case reports on this subject, and few studies that include a large group of patients. Therefore, we aimed to present the data of a large group of patients who were diagnosed with acute renal infarction in our country in this retrospective study. METHODS The data of patients who were diagnosed with acute renal infarction according to clinical and radiological findings in Turkey in the last 3 years were examined. For this purpose, we contacted with more than 40 centers in 7 regions and obtained support from clinically responsible persons. Demographic data of patients, laboratory data at the time of diagnosis, tests performed for etiologic evaluation, given medications, and patients' clinical status during follow-up were obtained from databases and statistical analysis was performed. RESULTS One-hundred and twenty-one patients were included in the study. The mean age was 53 ± 1.4 (19-91) years. Seventy-one (58.7%) patients were male, 18 (14.9%) had diabetes, 53 (43.8%) had hypertension, 36 (30%) had atrial fibrillation (AF), and 6 had a history of lupus + antiphospholipid syndrome (APS). Forty-five patients had right renal infarction, 50 patients had left renal infarction, and 26 (21.5%) patients had bilateral renal infarction. The examinations for the ethiologies revealed that, 36 patients had thromboemboli due to atrial fibrillation, 10 patients had genetic anomalies leading to thrombosis, 9 patients had trauma, 6 patients had lupus + APS, 2 patients had hematologic diseases, and 1 patient had a substance abuse problem. Fifty-seven (57%) patients had unknown. The mean follow-up period was 14 ± 2 months. The mean creatinine and glomerular filtration rate (GFR) values at 3 months were found to be 1.65 ± 0.16 mg/dl and 62 ± 3 ml/min, respectively. The final mean creatinine and GFR values were found to be 1.69 ± 0.16 mg/dl and 62 ± 3 ml/min, respectively. CONCLUSIONS Our study is the second largest series published on renal infarction in the literature. More detailed studies are needed to determine the etiological causes of acute renal infarction occurring in patients.
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Affiliation(s)
- Necmi Eren
- Nephrology Department, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey.
| | - Ozkan Gungor
- Department of Nephrology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Ismail Kocyigit
- Department of Nephrology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Fatma Betul Guzel
- Department of Nephrology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Ertugrul Erken
- Department of Nephrology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Orcun Altunoren
- Department of Nephrology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Erhan Tatar
- Department of Nephrology, Bozyaka Training and Research Hospital, Izmir, Turkey
| | - Eray Eroglu
- Department of Nephrology, Faculty of Medicine, Erciyes University, Kayseri, Turkey
| | - Egemen Senel
- Department of Nephrology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Bulent Kaya
- Department of Nephrology, Faculty of Medicine, Cukurova University, Adana, Turkey
| | - Saime Paydaş
- Department of Nephrology, Faculty of Medicine, Cukurova University, Adana, Turkey
| | - Bilen Onan
- Department of Nephrology, Faculty of Medicine, Cukurova University, Adana, Turkey
| | - Safak Sahin
- Department of Internal Medicine, Gaziosmanpasa University Faculty of Medicine, Tokat, Turkey
| | - Mumtaz Yilmaz
- Department of Nephrology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Sena Ulu
- Department of Nephrology, Faculty of Medicine, Kocatepe University, Afyonkarahisar, Turkey
| | - Meltem Gursu
- Department of Nephrology, Faculty of Medicine, Bezmi Alem University, Istanbul, Turkey
| | - Abdullah Ozkok
- Department of Nephrology, Medeniyet University Training and Research Hospital, Istanbul, Turkey
| | - Abdulmecit Yildiz
- Department of Nephrology, Faculty of Medicine, Uludag University, Bursa, Turkey
| | - Ilhan Kurultak
- Department of Nephrology, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Ali Rıza Ucar
- Department of Nephrology, Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Mehmet Tanrisev
- Department of Nephrology, Tepecik Training and Research Hospital, Izmir, Turkey
| | - Kenan Turgutalp
- Department of Nephrology, Faculty of Medicine, Mersin University, Mersin, Turkey
| | - Mehmet Nuri Turan
- Department of Nephrology, Faculty of Medicine, Harran University, Sanliurfa, Turkey
| | - Can Huzmeli
- Department of Nephrology, Necip Fazıl City Hospital, Kahramanmaras, Turkey
| | - Zeki Soypacaci
- Department of Nephrology, Atatürk Training and Research Hospital, Izmir, Turkey
| | - Hakan Akdam
- Department of Nephrology, Faculty of Medicine, Adnan Menderes University, Aydın, Turkey
| | - Bulent Huddam
- Department of Nephrology, Faculty of Medicine, Mugla University, Mugla, Turkey
| | - Zelal Adibelli
- Department of Nephrology, Faculty of Medicine, Usak University, Usak, Turkey
| | - Ekrem Kara
- Department of Nephrology, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey
| | - Ayca Inci
- Department of Nephrology, Antalya Training and Research Hospital, Antalya, Turkey
| | - Ercan Turkmen
- Department of Internal Medicine, Ordu State Hospital, Ordu, Turkey
| | - Hikmet Tekce
- Department of Nephrology, Faculty of Medicine, Abant Izzet Baysal University, Bolu, Turkey
| | - Ayhan Dogukan
- Department of Nephrology, Faculty of Medicine, Fırat University, Elazig, Turkey
| | - Aydin Turkmen
- Department of Nephrology, Faculty of Medicine, Istanbul University, Istanbul, Turkey
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Yildiz A, Vardi N, Karaaslan MG, Ates B, Taslidere E, Esrefoglu M. The protective effect of melatonin in lungs of newborn rats exposed to maternal nicotine. Biotech Histochem 2018; 93:442-452. [PMID: 29701082 DOI: 10.1080/10520295.2018.1453548] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
We investigated possible healing effects of melatonin (MEL) on biochemical and histological changes in the lungs of rat offspring caused by exposure to nicotine (NT) in utero. Pregnant rats were divided randomly into five groups. The SP group was treated with physiological saline. The EA group was treated with ethyl alcohol. The MEL group was treated with MEL. The NT group was treated with NT. The NT + MEL group was treated with NT and MEL. At the end of the study, the biochemistry and histopathology of lung tissue of the offspring were examined. Reduced alveolar development and increased numbers of alveolar macrophages and mast cells were observed in the NT group compared to the SP, EA and MEL groups. We also found increased malondialdehyde (MDA) levels and decreased total glutathione (GSH) levels in the NT group. Application of MEL ameliorated the histological and biochemical damage caused by NT. The number of alveoli was greater in the NT + MEL group than in the NT group. Also, the increased numbers of alveolar macrophages and mast cells resulting from exposure to NT were decreased following MEL treatment. We found that MEL caused a significant decrease in the level of MDA. Maternal exposure to NT caused significant structural and biochemical changes in the lungs of the offspring and administration of MEL ameliorated the changes.
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Affiliation(s)
- A Yildiz
- a Department of Histology and Embryology, Faculty of Medicine , Inonu University , Malatya
| | - N Vardi
- a Department of Histology and Embryology, Faculty of Medicine , Inonu University , Malatya
| | - M G Karaaslan
- b Department of Chemistry, Faculty of Science and Art , Inonu University , Malatya
| | - B Ates
- b Department of Chemistry, Faculty of Science and Art , Inonu University , Malatya
| | - E Taslidere
- c Department of Histology and Embryology, Faculty of Medicine , Bezmialem University , İstanbul , Turkey
| | - M Esrefoglu
- c Department of Histology and Embryology, Faculty of Medicine , Bezmialem University , İstanbul , Turkey
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Kazancioğlu R, Korular D, Sever M, Türkmen A, Aysuna N, Kayacan S, Tahin S, Yildiz A, Bozfakioğlu S, Ark E. The Outcome of Patients Presenting with Crush Syndrome after the Marmara Earthquake. Int J Artif Organs 2018. [DOI: 10.1177/039139880102400104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In this study, we evaluated the clinical and laboratory data of the patients presenting after the Marmara earthquake. Crush syndrome was diagnosed in 60 patients (30 M, 30 F, mean age: 31.3±13.8 years). They were buried under the rubble for a mean period of 12.3±15.1 hours. On admission, 27 patients were oligoanuric and the mean serum creatinine, creatinine phosphokinase and potassium levels were 4.4±3.2 mg/dl, 18453.1±24527.2 IU/L, and 4.9±1.7 mEq/L, respectively. The most frequent site of trauma was the lower extremity. Dialysis treatment was initiated in 40 patients (19 M, 21 F, mean age: 32.7±13.0 years). Mean number of hemodialysis sessions/patient was 8.9±6.8. Nine (23%) patients among the dialyzed and 4 (20%) among the non-dialyzed died leading to an overall mortality of 21.6%. This low mortality rate suggests that the death rate from acute renal failure due to crush syndrome could be decreased by extensive follow-up.
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Affiliation(s)
- R. Kazancioğlu
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - D. Korular
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - M.Ş. Sever
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - A. Türkmen
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - N. Aysuna
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - S.M. Kayacan
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - S. Tahin
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - A. Yildiz
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - S. Bozfakioğlu
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
| | - E. Ark
- Division of Nephrology, Department of Internal Medicine, Istanbul School of Medicine, Istanbul - Turkey
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Polat N, Ozer MA, Parlakpinar H, Vardi N, Aksungur Z, Ozhan O, Yildiz A, Turkoz Y. Effects of molsidomine on retinal ischemia/reperfusion injury in rabbits. Biotech Histochem 2018; 93:188-197. [PMID: 29323543 DOI: 10.1080/10520295.2017.1406616] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
We investigated the effect of molsidomine (MOL) on ischemia/reperfusion (I/R) injury. Rabbits were assigned to four groups: group 1, sham; group 2, I/R; group 3, MOL treatment for 4 days after I/R; group 4, MOL treatment for 1 day before I/R and 3 days after I/R. Retinal I/R was produced by elevating the intraocular pressure to 150 mm Hg for 60 min. Seven days after I/R, the eyes were enucleated. Retinal changes were examined using histochemistry. The levels of malondialdehyde (MDA), glutathione (GSH), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and catalase (CAT) also were measured. We found a significant increase in the thickness of the outer nuclear layer of group 3 compared to the other groups. In groups 3 and 4, caspase-3 stained cells in the ganglion cell layer were decreased compared to group 2. We found a significant increase in caspase-3 stained cells in the inner nuclear layer (INL) of group 2 compared to the other groups. We found a significant increase in caspase-3 stained cells in group 3 compared to group 4 in the INL. The MDA level in group 2 was significantly higher than group 1 and MOL significantly decreased MDA levels in groups 3 and 4. We found that MOL protected the retina from I/R injury by enhancing antioxidative effects and inhibiting apoptosis of retinal cells.
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Affiliation(s)
- N Polat
- a Department of Ophthalmology , Inonu University School of Medicine , Malatya
| | - M A Ozer
- b Department of Ophthalmology , Giresun University School of Medicine , Giresun
| | | | | | - Z Aksungur
- e Biochemistry , Inonu University School of Medicine , Malatya , Turkey
| | - O Ozhan
- c Departments of Pharmacology
| | | | - Y Turkoz
- e Biochemistry , Inonu University School of Medicine , Malatya , Turkey
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Oruc A, Ayar Y, Vuruskan BA, Yildiz A, Aktas N, Yavuz M, Gullulu M, Dilek K, Ersoy A. Hepatotoxicity associated with eculizumab in a patient with atypical hemolytic uremic syndrome. Nefrologia 2017; 38:448-450. [PMID: 29221881 DOI: 10.1016/j.nefro.2017.10.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 10/02/2017] [Accepted: 10/24/2017] [Indexed: 10/18/2022] Open
Affiliation(s)
- Aysegul Oruc
- Department of Internal Medicine, Division of Nephrology, Uludağ University Medical School, Bursa, Turkey.
| | - Yavuz Ayar
- Department of Internal Medicine, Division of Nephrology, Uludağ University Medical School, Bursa, Turkey
| | | | - Abdulmecit Yildiz
- Department of Internal Medicine, Division of Nephrology, Uludağ University Medical School, Bursa, Turkey
| | - Nimet Aktas
- Cekirge State Hospital, Department of Nephrology, Bursa, Turkey
| | - Mahmut Yavuz
- Department of Internal Medicine, Division of Nephrology, Uludağ University Medical School, Bursa, Turkey
| | - Mustafa Gullulu
- Department of Internal Medicine, Division of Nephrology, Uludağ University Medical School, Bursa, Turkey
| | - Kamil Dilek
- Department of Internal Medicine, Division of Nephrology, Uludağ University Medical School, Bursa, Turkey
| | - Alparslan Ersoy
- Department of Internal Medicine, Division of Nephrology, Uludağ University Medical School, Bursa, Turkey
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Asiri S, Güner S, Demir A, Yildiz A, Manikandan A, Baykal A. Synthesis and Magnetic Characterization of Cu Substituted Barium Hexaferrites. J Inorg Organomet Polym Mater 2017. [DOI: 10.1007/s10904-017-0735-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Cetinkal G, Kocas C, Balaban Kocas B, Arslan S, Abaci O, Dalgic Y, Selim Ser O, Batit S, Yildiz A, Mesut Dogan S. P5560Predictive value of the SYNTAX score II for in-hospital and long-term mortality in patients with ST elevation myocardial infarction who have undergone primary percutaneous coronary intervention. Eur Heart J 2017. [DOI: 10.1093/eurheartj/ehx493.p5560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Kanat FM, Kordan Y, Kaygisiz O, Coskun B, Vuruskan H, Oruc A, Yildiz A, Ayar Y, Ersoy A. SP760THE EFFECT OF RENAL ARTERIAL ANASTOMOSIS TECHNIQUES ON THE DEVELOPMENT OF COMPLICATIONS AND GRAFT DYSFUNCTION IN RECIPIENTS AFTER KIDNEY TRANSPLANTATION. Nephrol Dial Transplant 2017. [DOI: 10.1093/ndt/gfx157.sp760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Ersoy A, Yildiz A, Oruc A, Ayar Y, Ersoy C. MP821THE EFFECT OF CARDIOVASCULAR AND CEREBROVASCULAR COMORBIDITIES ON THE OUTCOMES OF AFTER KIDNEY TRANSPLANTATION. Nephrol Dial Transplant 2017. [DOI: 10.1093/ndt/gfx182.mp821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Oruc A, Yildiz A, Vuruskan B, Berdeli A, Yavuz M, Dilek K, Gullulu M, Ersoy A. MP182CLINICAL SIGNIFICANCE OF GENETIC VARIANTS IN PATIENTS WITH C3 GLOMERULOPATHIES. Nephrol Dial Transplant 2017. [DOI: 10.1093/ndt/gfx165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Oruc A, Ayar Y, Aktas N, Yildiz A, Yavuz M, Ersoy A, Dilek K, Gullulu M. SP102HEPATOTOXICITY ASSOCIATED WITH ECULIZUMAB TREATMENT. Nephrol Dial Transplant 2017. [DOI: 10.1093/ndt/gfx140.sp102] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Oruc A, Yildiz A, Goral S, Gullulu M, Dilek K, Ersoy A. MP782CHRONIC HCV INFECTION PROLONGS WAITING DURATION OF CADAVERIC KIDNEY DONOR CANDIDATES ON WAITING LIST. Nephrol Dial Transplant 2017. [DOI: 10.1093/ndt/gfx182.mp782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ucar A, Yegit O, Cebeci E, Yildiz A, Mirioglu S, Demir E, Ozturk S, Turkmen A, Caliskan Y. SP131PREDICTORS OF RENAL SURVIVAL IN PATIENTS WITH IDIOPATHIC MEMBRANOUS NEPHROPATHY. Nephrol Dial Transplant 2017. [DOI: 10.1093/ndt/gfx141.sp131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Ayar Y, Ersoy A, Ocakoglu G, Yildiz A, Oruc A, Soyak H, Calapkulu M, Sahin A, Topal NB, Okeer E, Coskun B, Kaygisiz O, Kordan Y, Vuruskan H. Risk Factors Affecting Graft and Patient Survivals After Transplantation From Deceased Donors in a Developing Country: A Single-Center Experience. Transplant Proc 2017; 49:270-277. [DOI: 10.1016/j.transproceed.2016.12.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 11/18/2016] [Accepted: 12/13/2016] [Indexed: 12/27/2022]
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Durak MA, Parlakpinar H, Polat A, Vardi N, Ekici K, Ucar M, Ozhan O, Yildiz A, Pasahan R. Protective and therapeutic effects of molsidomine on radiation induced neural injury in rats. Biotech Histochem 2017; 92:68-77. [DOI: 10.1080/10520295.2016.1271454] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Affiliation(s)
| | | | | | | | | | - M Ucar
- Anesthesiology, Medical School, Inonu University, Malatya, Turkey
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