Abdülkadir Ünsal

ORCID: 0000-0003-4074-1084
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About
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Research Areas
  • Dialysis and Renal Disease Management
  • Parathyroid Disorders and Treatments
  • Amyloidosis: Diagnosis, Treatment, Outcomes
  • Central Venous Catheters and Hemodialysis
  • Chronic Kidney Disease and Diabetes
  • Blood Pressure and Hypertension Studies
  • Renal Diseases and Glomerulopathies
  • Pancreatitis Pathology and Treatment
  • Iron Metabolism and Disorders
  • Renal and Vascular Pathologies
  • Neurological and metabolic disorders
  • Complement system in diseases
  • Hemodynamic Monitoring and Therapy
  • Liver Disease Diagnosis and Treatment
  • Muscle and Compartmental Disorders
  • Gout, Hyperuricemia, Uric Acid
  • Forensic Toxicology and Drug Analysis
  • Renal Transplantation Outcomes and Treatments
  • Autoimmune and Inflammatory Disorders Research
  • Poisoning and overdose treatments
  • Immune Cell Function and Interaction
  • Hepatitis C virus research
  • Organ Transplantation Techniques and Outcomes
  • Inflammasome and immune disorders
  • Health Systems, Economic Evaluations, Quality of Life

Sağlık Bilimleri Üniversitesi
2019-2024

Şişli Etfal Eğitim ve Araştırma Hastanesi
2012-2021

Weatherford College
2021

Istanbul University
2009-2020

Vårdcentralen Teleborg
2020

Recep Tayyip Erdoğan University
2016

Bakırköy Dr.Sadi Konuk Eğitim ve Araştırma Hastanesi
2012

Diyarbakır Askeri Hastanesi
2012

Amerikan Hastanesi
2012

Ege Üniversitesi Tıp Fakültesi Hastanesi
1996

To evaluate the relationship between neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte (PLR), and inflammation in end-stage renal disease (ESRD) patients on maintenance hemodialysis (HD).100 ESRD HD (mean ± SD age: 52.3 1.7 years, 52% were males) included this cross-sectional study. Data patient demographics, dry weight, body mass index, duration of (months), etiology ESRD, delivered dose dialysis (spKt/V), complete blood count, biochemistry inflammatory markers including hs-CRP...

10.5414/cn108584 article EN Clinical Nephrology 2015-11-02

Abstract Background Disordered mineral metabolism is implicated in the pathogenesis of vascular calcification hemodialysis (HD) patients. Fibroblast growth factor 23 (FGF-23) main regulator phosphate metabolism. In this prospective study, we aimed to investigate association serum FGF-23 with progression coronary artery HD Methods Seventy-four patients (36 male/38 female, mean age: 52 ± 14 years) were included. Serum levels measured by ELISA. Coronary score (CACS) was twice one year interval....

10.1186/1471-2369-14-241 article EN cc-by BMC Nephrology 2013-11-01

Removal of uremic toxins is a main objective hemodialysis; however, whether high-flux and medium cut-off (MCO) membranes differ as regards removal middle large not clear.To compare dialyzers their intra- interdialysis effect on circulating levels serum albumin.Fifty-two patients were randomized to have hemodialysis with either 3 months dialyzer followed by MCO or vice versa. Blood samples taken before after dialysis at the first last sessions each for analyses including inflammatory...

10.1159/000508061 article EN Blood Purification 2020-01-01

To evaluate the relationship between FGF23 and changes in biochemical parameters, left ventricle mass index, coronary, aortic and, valve calcifications.Totally 185 patients with chronic renal disease were included this prospective, cross-sectional study. The stratified according to GFR levels (mL/min/1.73 m2) into 5 groups: ≥60, 45-59, 30-44, 15-29 <15 (group 1-5 respectively). Biochemical serum measured. Echocardiographic assessments Coronary artery calcification (CAC) multidetector...

10.1159/000339026 article EN Kidney & Blood Pressure Research 2012-01-01

Tubulointerstitial injury is both a key feature of diabetic nephropathy and an important predictor renal dysfunction. N-Acetyl B glucosaminidase (NAG) derived from proximal tubular cells widely used to evaluate function.The objective this study whether NAG can be as early marker by comparing the urinary levels between healthy controls patients determining changes in excretion after treatment with low-dose combination perindopril (2 mg)/ indapamide (0.625 mg)/o.d.A total 50 (29 female) type...

10.1080/08860220500530510 article EN Renal Failure 2006-01-01

Background. Decreased coronary flow reserve (CFR) is a marker of endothelial dysfunction, artery calcification and inflammation, well-known cardiovascular risk factors in haemodialysis (HD) patients. In this study, we aimed to investigate the correlation scores (CACS) with CFR HD Methods. Sixty-four end-stage renal failure patients were enrolled study (38 males, 26 females). Thirty-nine healthy subjects (22 17 females) included control group. Biochemical parameters acute-phase inflammation...

10.1093/ndt/gfq113 article EN Nephrology Dialysis Transplantation 2010-02-26

&lt;b&gt;&lt;i&gt;Background: &lt;/i&gt;&lt;/b&gt;The natural history of AA amyloidosis is typically progressive, leading to multiple organ failure and death. We analyzed the etiology as well clinical laboratory features patients with biopsy-proven evaluated ultimate outcome. &lt;b&gt;&lt;i&gt;Methods: &lt;/i&gt;&lt;/b&gt;Seventy-three (24 female; mean age 41.85±15.89 years) were retrospectively. Demographic, studied outcome was assessed. &lt;b&gt;&lt;i&gt;Results:...

10.1159/000343398 article EN cc-by-nc Kidney & Blood Pressure Research 2013-01-01

To evaluate the clinical outcomes and identify predictors of mortality in elderly patients undergoing peritoneal dialysis.We conducted a retrospective study including all incident dialysis cases ≥65 years age treated from 2001 to 2014. Demographic data on initiation events during period were collected. Infectious complications recorded. Overall technique survival rates analyzed.Fifty-eight who began considered for analysis, 50 these included final analysis. Peritoneal exchanges performed by...

10.6061/clinics/2015(05)10 article EN cc-by-nc Clinics 2015-05-01

Resistive index (RI) is an indirect measurement of blood flow resistance that can be used to evaluate vascular damage in ophthalmologic diseases. The purpose this study was the association between RI values orbital arteries by using color Doppler imaging (CDI) type II diabetes mellitus (DM) patients with microalbuminuria.We evaluated 91 DM microalbuminuria and 27 healthy subjects. were grouped into two: group 1 consisted retinopathy (n = 51) 2 without 40). Healthy subjects constituted 3 27)....

10.3109/0886022x.2012.672266 article EN Renal Failure 2012-04-02

Background . The aim of this study is to assess renal damage incidence in patients with solitary kidney and detect factors associated progression. Methods Medical records 75 were investigated retrospectively divided into two groups: unilateral nephrectomy (group 1) agenesis/dysplasia 2). According the presence damage, each group was subgroups: 1a/b 2a/b. Results Patients 1 older than those 2 (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"...

10.1155/2015/876907 article EN cc-by International Journal of Nephrology 2015-01-01

The aim of this study was to evaluate the predictive value malnutrition-inflammation score (MIS) on short-term mortality and identify best cut-off point in Turkish maintenance hemodialysis (MHD) population.A total 100 patients MHD were included prospective single-center study. Demographic, anthropometric, biochemical data obtained from all patients. population followed up as a 12-month cohort primary outcome.Median (IQR) age HD vintage (M/F: 52/48) 53 (39.5 - 67) years 53.5 (11 104.7)...

10.5414/cn108799 article EN Clinical Nephrology 2016-06-27

Hemodialysis patients have extremely increased cardiovascular mortality. Vascular calcification, inflammation, and low serum fetuin-A levels are implicated for In this study, relationship between coronary artery were investigated. Seventy-eight hemodialysis (38 male, 40 female, mean age: 52±14.5 years) included. All on dialysis more than 6 months. Coronary calcium scores (CACS) determined by electron-beam computed tomography. Serum CRP, IL-1β, IL-6, TNF-α, measured. Mean CACS value was...

10.4103/0971-4065.82128 article EN Indian Journal of Nephrology 2011-01-01

Diagnosis of tuberculosis (TB) among dialysis patients may be difficult because increased frequency extra-pulmonary presentations, atypical clinical manifestations, and non-specific symptoms. This study aimed to investigate the spectrum presentations outcome in during a nine-year period.A total 651 undergoing hemodialysis (HD) peritoneal (PD) for at least three months our unit between 2001 2010 were studied. Dialysis follow-up performed tertiary care center located eastern region Turkey. TB...

10.3855/jidc.2664 article EN cc-by The Journal of Infection in Developing Countries 2013-03-14

Attaining and maintaining optimal “dry weight” is one of the principal goals during maintenance hemodialysis (MHD). Recent studies have shown a close relationship between Na+ load serum vascular endothelial growth factor-C (VEGF-C) levels; thus, we aimed to investigate role VEGF-C as candidate biomarker hypervolemia. Physical examination, basic laboratory tests, N-terminal pro b-type natriuretic peptide (NT-ProBNP), echocardiography, bioimpedance spectroscopy data 3 groups study subjects...

10.1097/md.0000000000006543 article EN cc-by-nc Medicine 2017-05-01

Pneumonia of unknown cause was detected on 30 December 2019 in China. It categorized as an outbreak and named COVID-19 by the World Health Organization. The pandemic affects all people, but patient groups such hemodialysis (HD) patients have been particularly affected. We do not know if refugees suffered more during outbreak. In this study, we compared depressive symptom frequency between Syrian refugee HD Turkish ones.The study had a single-center, cross-sectional design. Demographic...

10.1371/journal.pone.0244347 article EN cc-by PLoS ONE 2021-01-04

To evaluate the clinical outcome, identify predictors of patient and technique survival in our peritoneal dialysis (PD) patients western region Turkey.We included all who initiated therapy between 2001 2010. Socio-demographic characteristics such as helped to administer PD well conditions under which was chosen by were investigated from patients' files. Hemodialysis (HD) history duration, additional systemic diseases, end-stage renal disease etiologies recorded. Clinical data blood pressure,...

10.5414/cn107711 article EN Clinical Nephrology 2013-07-02

Encapsulating peritoneal sclerosis (EPS) is a rare cause of intestinal obstruction which characterized by fibrotic encapsulation the bowel. Although its pathogenesis still not clear, many etiological factors have been stated.In this report, we present 26-year old woman with dialysis related EPS. Because unresolving obstructive symptoms, she underwent surgical intervention in thick dense whitish membranous sac was excised from surrounding intestine along adhesiolysis. She recovered...

10.1016/j.amsu.2015.03.006 article EN Annals of Medicine and Surgery 2015-04-09

Abstract Introduction: Air embolism (AE) is a rare, but serious complication that can occur in the practice of hemodialysis. In contrast to careful techniques and meticulous care during insertions manipulations central catheters, awareness risk AE following catheter removal less. We aimed analyze clinical characteristics all case reports with after summarize mechanisms, consequences, treatment prevention AE. Methods: addition our case, MEDLINE database was searched for removal, clinical,...

10.1111/hdi.12456 article EN Hemodialysis International 2016-07-25

The aim of this study was to evaluate serum uric acid levels, inflammatory markers [C-reactive protein (CRP), neutrophil-to-lymphocyte ratio (NLR), and platelet-to-lymphocyte (PLR)] mean platelet volume (MPV) among hypertensive patients with or without chronic kidney disease (CKD) respect dipping status.A total 432 (n = 340) 92) CKD who had ambulatory blood pressure monitoring recordings were included. Correlation levels (CRP, PLR, NLR) evaluated as the logistic regression analysis for...

10.3109/10641963.2016.1174251 article EN Clinical and Experimental Hypertension 2016-07-08

Amyloidosis results from extracellular deposition of a fibrillary protein in various organs, and renal biopsy is the best, but complicated tool for diagnosis. Therefore, alternative sites have been proposed with varying degrees sensitivity. We aimed to find most appropriate site patients chronic kidney disease (CKD) whom contraindicated or unavailable. 42 (29 male; mean age 46 ± 16 y) CKD amyloidosis was suspected as underlying etiology on clinical grounds, not available (Group I), 36 (25 40...

10.5414/cn107139 article EN Clinical Nephrology 2011-09-29
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