Publications by authors named "Seyrek N"

: Hemodialysis treatment for acute kidney injury associated with crush syndrome is very complex. In our study, we summarized the problems and complications experienced by our hemodialysis center after the Kahramanmaraş earthquake. : After the earthquake, our hospital treated 1396 victims.

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Article Synopsis
  • The study aimed to identify reliable predictors of mortality in end-stage renal disease patients undergoing hemodialysis, focusing on the relationship between aortic knob width and patient outcomes.
  • Deceased patients were found to have larger aortic knob widths, and those with widths greater than 37.98 mm were at higher risk of mortality, with varying survival rates over 1, 3, 5, 10, and 15 years depending on the width.
  • Key risk factors influencing aortic knob width included age, male gender, aortic calcification, and hypertension, suggesting that monitoring aortic knob width could be an effective, non-invasive way to predict mortality risk in this patient population.
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Background/aim: Data on the role of central sensitization in hemodialyzed patients are scarce. The aim was to identify the impact of central sensitization on quality of life and elucidate the risk factors for the development of central sensitization in patients receiving hemodialysis.

Methods: Central sensitization, quality of life, psychological well-being, and sleep were assessed by the Central Sensitization Inventory (CSI), abbreviated version of the World Health Organization Quality of Life Instrument (WHOQOL-BREF), Hospital Anxiety and Depression Scale (HADS), and Jenkins Sleep Evaluation Scale (JSS), respectively.

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Background And Aim: The surgical extraction of impacted wisdom teeth is a standard practice in dentistry. Unfortunately, inflammatory reactions such as discomfort, edema, and trismus frequently jeopardize patients' well-being after the extraction of third molars. Saline solutions at room temperature (25°C) are routinely used in impacted tooth extraction.

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Purpose: Cribriform pattern has recently been recognized as an important independent risk factor for prostate cancer (PCa) outcome. This study aimed to identify the association of quantifiable prostate magnetic resonance imaging (MRI) parameters with any and large cribriform pattern at radical prostatectomy (RP) specimens.

Methods: Preoperative prostate MRI's from 188 men undergoing RP between 2010 and 2018 were retrospectively acquired.

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Background: The mandibular bone is the largest and strongest bone in comparison to the other bones in the face skeleton. However, it is the most commonly fractured in facial injuries. The location of the fracture in mandible depends on various factors.

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Purpose: To identify parameters to predict upgrading in biopsy Grade Group (GG) 2 prostate cancer patients without cribriform and intraductal carcinoma (CR/IDC) on biopsy.

Methods: Preoperative biopsies from 657 men undergoing radical prostatectomy (RP) for prostate cancer were reviewed for GG, presence of CR/IDC, percentage Gleason pattern 4, and tumor length. In men with biopsy GG2 without CR/IDC (n = 196), clinicopathologic features were compared between those with GG1 or GG2 without CR/IDC on RP (GG ≤ 2-) and those with GG2 with CR/IDC or any GG > 2 (GG ≥ 2+).

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Percentage Gleason pattern 4, invasive cribriform and/or intraductal carcinoma (IC/IDC) and minor pattern 5 are recognized as independent parameters for prostate cancer outcome, but are not incorporated in current grade groups (GGs). Two proof-of-principle studies have proposed alternative grading schemes based on percentage Gleason pattern 4/5 (integrated quantitative Gleason score; IQ-Gleason) and IC/IDC presence (cribriform grade; cGrade). Our objective was to compare the performance of GG, IQ-Gleason and cGrade for predicting biochemical recurrence and metastasis after radical prostatectomy (RP).

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Aims: Gleason pattern 4 (GP4) percentage, invasive cribriform and/or intraductal carcinoma (IC/IDC) and the presence of tertiary Gleason pattern 5 (TP5) in radical prostatectomy (RP) specimens all aid in the risk stratification of Grade Group (GG) 2 prostate cancer patients. However, it is unclear to what extent these pathological features are mutually related and what are their individual values if they are investigated simultaneously. The aims of this study were: (i) to determine the mutual relationships of the GP4 percentage, IC/IDC and TP5 in GG2 RP specimens; and (ii) to assess their prognostic value for biochemical recurrence-free survival (BCRFS).

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Objective: We aimed to evaluate the patients diagnosed with papillary thyroid carcinoma (PTC) and papillary thyroid microcarcinoma (PTMC) in terms of clinical, ultrasonographical (US) and histopathological features and their relationships with tumor size.

Methods: We retrospectively evaluated 881 patients who underwent thyroid surgery in our clinic and diagnosed with PTC histopathologically were enrolled the study. Demographic characteristics, US findings and histopathological features were evaluated.

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Primary hyperparathyroidism (PHPT) is the most common cause of hypercalcemia in the clinical setting and affects 0.3% of the population. Parathyroidectomy is the only definitive cure.

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High levels of fibroblast growth factor 23 (FGF 23) are associated with mortality and cardiovascular events in patients with chronic kidney disease (CKD). Carotid intima-media thickness (CIMT) is a useful marker of subclinical atherosclerosis. This study aimed to investigate the relationship between serum FGF23 levels and CIMT of CKD patients.

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Objective: Cardiovascular complications due to atherosclerosis (AS) are the major cause of mortality in hemodialysis (HD) patients. Inflammation may play an important role in the development of AS. Several studies have demonstrated an association between AS and acute-phase proteins and cytokines in the general population and in HD patients.

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It is well known that rifampicin can cause nephrotoxicity. Rifampicin-related pancreatitis and hyperthyroidism are rarely reported in the same patient in the presence of tubulointerstitial nephritis. Reported herein is the medical management of a patient with hemolytic anemia, acute renal failure, pancreatitis, and hyperthyroidism during with rifampicin therapy.

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The purpose of this study was to evaluate the effects of CyA monitoring using C0 monitoring (fasting level after 12 h from last dose), and C2 monitoring (2 h after morning dose) on renal functions, lipid levels, CyA levels, and daily dosages of CyA in renal transplanted patients in the posttransplant period from the first month to the 36th month. In our center between 1992-2003, 37 of the 54 renal transplanted patients were treated with CyA, prednisolone, and mycophenolate mofetil or azathioprine. The mean age was 32.

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Introduction: Visual loss is a rare complication of tuberculosis; it can be related to anti-tuberculous drugs or to the infection itself. For the treatment of visual loss, differential diagnosis is important between infection and adverse effect of anti-tuberculous drugs.

Case: A 48-year-old male patient with a history of tuberculosis and visual loss during anti-tuberculous drug therapy was admitted to our hospital.

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Aim And Background: Hyphosphatemia can be seen in renal transplant recipients. Hyperparathyroidism, glucocorticoid treatment, renal denervation and impairment of renal tubular phosphate reabsorption are the most common causes of hyphosphatemia in these patients. It is well-known that dipyridamole enhances renal tubular phosphate reabsorption in some clinical conditions.

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Article Synopsis
  • The study investigates oxidative-antioxidative systems in peripartum women with acute renal failure and/or preeclampsia-eclampsia, aiming to assess their impact on morbidity and mortality rates.
  • It involved 60 women divided into four groups: those with acute renal failure postpartum, preeclamptic women, healthy pregnant women, and healthy non-pregnant women, measuring levels of superoxide dismutase (SOD), glutathione peroxidase (GSHPx), and malondialdehyde (MDA).
  • Results showed that MDA levels and antioxidant activities (SOD and GSHPx) were significantly higher in women experiencing acute renal failure compared to
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The immunosuppressive agents cyclosporine A and tacrolimus have demonstrated efficacy in preventing acute organ rejection after renal transplantation, but no comparative studies of these 2 agents have been published. This study compared the effects of tacrolimus and cyclosporine A on the renal function, blood pressure, and serum glucose and lipid levels of patients who underwent cyclosporine A therapy and C2 monitoring or tacrolimus therapy and standard monitoring during the first 24 months after transplantation. By the end of the follow-up period, no significant difference between either treatment group was noted in the measures of creatine clearance; BUN, glucose, uric acid, and lipid levels; or diastolic blood pressure (P>.

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Objective: To present a case with nephrotic syndrome due to minimal change disease and polycythemia.

Clinical Presentation And Intervention: A 20-year-old female was admitted to our clinic for edema and severe proteinuria present with minimal change disease since the age of 7 years. Polycythemia was found during the last activation of nephrotic syndrome.

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Diabetic nephropathy is the common cause of end stage renal disease in diabetes mellitus. But other glomerular pathologies have been also described in diabetic patients. We described 3 cases with diabetes mellitus and other glomerular diseases.

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Reactive oxygen species (ROS) have been postulated to play a major role in postischemic acute renal injury. Moreover, lipid peroxidation has been described as an important pathway of ROS-induced postischemic acute renal failure. To evaluate effects of selenium (Se) and trimetazidine (TMZ) on postischemic renal failure, renal tissue malondialdehyde (MDA) and superoxide dismutase (SOD) concentrations were measured in Wistar rats with ischemic renal failure.

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Arteriosclerosis is characterized by stiffening of arteries. The incremental elastic modulus (Einc) measurement is a good marker of arterial wall stiffness. Metabolic, inflammatory and hemodynamic alterations cause structural changes and vascular complications in end stage renal disease.

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