Publications by authors named "Arif Mansur Cosar"

Familial mediterranean fever (FMF) is a genetic autoinflammatory disease typically diagnosed in childhood. In this study, we aimed to investigate the demographic, clinical, and genetic characteristics of patients aged 18 years and older who were diagnosed with FMF. Patients diagnosed with FMF between 2014 and 2022 at Karadeniz Technical University Faculty of Medicine Hospital were included in the study.

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Nonalcoholic fatty liver disease (NAFLD) is a multisystem disease and is significantly associated with obesity, insulin resistance, type 2 diabetes mellitus, metabolic syndrome, and cardiovascular disease. NAFLD has become the most prevalent chronic liver disease in Western countries, and the proportion of NAFLD-related cirrhosis among patients on liver transplantation waiting lists has increased. In light of the accumulated data about NAFLD, and to provide a common approach with multi-disciplines dealing with the subject, it has become necessary to create new guidance for diagnosing and treating NAFLD.

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Background And Aim: The aims of the present study were to evaluate the real-life efficacy and tolerability of glecaprevir (GLE)/pibrentasvir (PIB) in the treatment of patients with chronic hepatitis C (CHC).

Materials And Methods: Between May 2019 and May 2022, 686 patients with CHC, treated with GLE/PIB combination from 21 participating centers in Turkiye, were enrolled in the study.

Results: All patients were Caucasian, and their median age was 56 years.

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Background: The purpose of this study was to evaluate the clinical, endoscopic, and radiological characteristics, complications, survival outcomes, and prognostic factors of patients with primary gastrointestinal lymphoma.

Methods: This study retrospectively analyzed the demographic, laboratory, endoscopic, and radiological characteristics and treatment outcomes of 43 patients with newly diagnosed primary gastrointestinal lymphoma.

Results: The median age was 62 years (range: 26-83).

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Background: The course of hepatitis C disease has changed with the use of direct-acting antiviral drugs in the treatment of the disease. The aim of this study was to evaluate the real-life efficacy and safety of the sofosbuvir/ledipasvir drug regimen in the treatment of patients with genotype 1b.

Methods: Treatment-naive or -experienced 49 genotypes 1b patients treated with sofosbuvir/ledipasvir participated in the study.

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Background/aims: This study aimed to evaluate the real-life efficacy and tolerability of direct-acting antiviral treatments for patients with chronic hepatitis C (CHC) with/without cirrhosis in the Turkish population.

Material And Methods: A total of 4,352 patients with CHC from 36 different institutions in Turkey were enrolled. They received ledipasvir (LDV) and sofosbuvir (SOF)±ribavirin (RBV) orombitasvir/paritaprevir/ritonavir±dasabuvir (PrOD)±RBV for 12 or 24 weeks.

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Background: Reactivation of the hepatitis B virus (HBV) either during or after chemotherapy may cause serious and sometimes fatal hepatitis. All patients undergoing chemotherapy should therefore be screened in terms of HBV before chemotherapy. The purpose of this research was to identify HBV screening rates in patients with solid cancer undergoing parenteral chemotherapy and to determine the outcomes of patients undergoing HBV screening.

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Background/aims: The aim of this study was to assess the clinical and sociodemographic risk factors of Helicobacter pylori infection and antibiotic resistance in the eastern Black Sea region of Turkey.

Materials And Methods: In total, 344 patients with dyspeptic symptoms who completed an extended questionnaire were enrolled in the study. Diagnosis of H.

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Background/aims: The aim of the present study was to evaluate the histopathological findings of cirrhosis together with clinical and laboratory parameters, and to investigate their relationship with esophageal varices that are portal hypertension findings.

Materials And Methods: A total of 67 (42 male and 25 female) patients who were diagnosed with cirrhosis were included in the study. The mean age of the patients was 51.

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Aim: Coagulation disorders may develop in association with severe acute pancreatitis (AP). Plasma thrombin-antithrombin III complex (TAT) levels are one of the principal markers of coagulation disorder. The purpose of this study was to evaluate TAT and other hemostatic parameters in patients with AP and to examine whether or not these parameters indicate the severity of AP.

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Thromboembolic complications are an important cause of morbidity and mortality in inflammatory bowel diseases (IBD). Thromboembolic events are observed more frequently during acute flare of the disease, especially patients received steroid therapy. Increase in awareness and especially anticoagulation prophylaxis in these patients are extremely important.

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Aim: Ulcerative colitis (UC) is one of the major forms of chronic relapsing inflammatory bowel diseases. The ability to identify type, severity and responsiveness to therapy of UC using laboratory parameters has long been the aim of clinical studies. The aim of this study was to assess the relation betweenplasma viscosity (PV) and disease activity and response to medical treatment in patients with UC.

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Background/aims: The aim of the present study was to investigate whether Helicobacter pylori causes or triggers recurrent aphthous stomatitis (RAS) through cytokine gene polymorphism and/or cobalamin deficiency.

Materials And Methods: Thirty-six patients with RAS and 130 patients without RAS were genotyped for IL-1β (-511C/T) and IL-6 (-174G/C) and evaluated for H. pylori infection and serum cobalamin level.

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Background/aims: Impaired gallbladder motility has been suggested as a contributor to increased incidence of gallstones in patients with liver cirrhosis. The purpose of this study was to determine gallbladder function and its relation with autonomic neuropathy in liver cirrhosis.

Materials And Methods: Gallbladder function was measured using ultrasonography in 48 patients with liver cirrhosis and in 31 controls.

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Aim: The eradication rate of Helicobacter pylori (H pylori) shows variation among countries and regimens of treatment. We aimed to study the eradication rates of different regimens in our region and some factors affecting the rate of eradication.

Methods: One hundred and sixty-four H pylori positive patients (68 males, 96 females; mean age: 48+/-12 years) with duodenal or gastric ulcer without a smoking history were included in the study.

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