Muhammed Kaya

Endoscopic Activity Prediction in Ulcerative Colitis Using Hemogram-Derived Inflammatory Indices: Impact of Azathioprine Use on Diagnostic Performance

Muhammed Kaya, Gökhan Evren, İbrahim Durak, Tolga Düzenli et autres

Objective: In ulcerative colitis (UC), endoscopic assessment remains central to disease monitoring, but repeated colonoscopy is invasive and resource-intensive. This study evaluated the association and discriminatory performance of the systemic immune–inflammation index (SII; platelet × neutrophil/lymphocyte) and the hemoglobin–albumin–lymphocyte–platelet (HALP; hemoglobin × …

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Increased Risk of Hepatitis B Virus Reactivation in Patients with Resolved Hepatitis B Virus Infection Receiving Combination Immunosuppressive Therapy: The Role of Anti-HBs Status

Mustafa Sadeçolak, Tolga Düzenli, İbrahim Durak, Halik Yıldız et autres

Background/Aims: Patients with prior exposure to hepatitis B virus (HBV) (HBsAg [Hepatitis B surface antigen]-negative/anti-HBc [Hepatitis B core] immunoglobulin G (IgG)-positive) who receive immunosuppressive therapy (IST) remain susceptible to HBV reactivation (HBVr). Current clinical guidelines generally estimate HBVr risk according to the …

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Relación entre el perfil lipídico y las enzimas hepáticas en casos de colelitiasis, colesterolosis y pólipos de colesterol

Havva H. Keser-Óahin, Mustafa Óahin, Orhan Aslan, İsmail Sezikli et autres

Objective: The aim of this study is to investigate the relationship between liver enzymes and lipid profiles in cholecystectomy cases with cholecystitis, cholesterolosis, and cholesterol polyps. Methods: The cholecystectomy cases were divided into 3 groups according to their pathological diagnosis; cholesterolosis and …

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Nocturnal Melatonin Deficiency in Colorectal Cancer: Independent Predictive Value Beyond Sleep Quality

İbrahim Durak, Büşra Durak, Tolga Düzenli, Meryem Yilmaz et autres

Background/Aim: Melatonin is a cytoprotective hormone with antioxidant activity and also mediates regulatory effects that inhibit tumor proliferation and angiogenesis. This study aimed to evaluate serum melatonin levels and sleep quality in patients with newly diagnosed colorectal cancer (CRC) compared with controls …

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Çölyak Hastalığı

HÜSEYİN KÖSEOĞLU, Muhammed Kaya

Çölyak hastalığı (Gluten Enteropatisi), genetik olarak yatkın bireylerde gluten tüketiminin tetiklediği kronik, immün aracılı bir durumdur. Genel popülasyonun yaklaşık %1'i bu hastalıktan etkilenmektedir. Hastalığın ortaya çıkış mekanizmaları heterojendir (genetik faktörler, çevresel faktörler, glutene maruziyet vs.) ve hekimler ile halk arasında farkındalığın artmasına …

Gastroenteroloji Textbook - Cilt (1-2)

Alper Macif, Ahmed Ramiz Baykan, Gökhan Çoban, Berk Baş et autres

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Lemmel Syndrome as an Unusual Cause of Cholangitis

Tolga Düzenli, İbrahim Durak, Muhammed Kaya, Hüseyin Köseoğlu

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Bibliometric analysis of scientific outputs on psychobiotics: Strengthening the food and mood connection

Muhammed Kaya, Ayşe Erdoğan Kaya, Fatih Eskin

The role of human microbiota in mental health and the underlying mechanisms of psychobiotics, which can modulate mood and behavior through the microbiota-gut-brain axis, has been a focus of scientific scrutiny. This work presents a bibliometric analysis to uncover research trends and …

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Bibliometric Evaluation of the Turkish Journal of Gastroenterology: A Comprehensive Analysis of Quantitative Publication Dynamics

Muhammed Kaya, İbrahim Durak, Hüseyin Köseoğlu, Tolga Düzenli et autres

Background and Aims: Turkish Journal of Gastroenterology is recognized as a prestigious international journal and stands as one of the leading publications in the field of gastroenterology, where researchers closely follow current articles. This research aims to provide a comprehensive perspective on …

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An analysis of YouTube content about psychobiotics: Is the food and mood bond getting stronger?

Muhammed Kaya, Ayşe Erdoğan Kaya, Beyza Erdoğan Aktürk

Aim: Psychobiotics have become a popular topic in recent years both on social media and in academia. The effects of individuals' diets and the probiotic supplements they use on their mental state have made psychobiotics a subject of curiosity. Our aim in …

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Post Endoscopic Retrograde Cholangiopancreatography Pancreatitis Risk Factors: Is Postsphincterotomy Bleeding Another Risk Factor?

Tolga Düzenli, İbrahim Durak, Muhammed Kaya, Hüseyin Köseoğlu

Düzenli, Tolga MD; Durak, İbrahim MD; Kaya, Muhammed MD; Köseoğlu, Hüseyin MD Author Information

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Global Publication Trends and Research Hotspots of The Gastric Neuroendocrine Neoplasms: A Bibliometric Analysis of The Current Situation

Hüseyin Köseoğlu, Muhammed Kaya, İbrahim Durak, Tolga Düzenli et autres

Objective: Gastric neuroendocrine neoplasms (gNENs) are uncommon tumors, with growing understandings about the disease. Bibliometric analyzes have the advantage of visually depicting the dynamic evaluation of scientific knowledge of a specific topic. The aim of this study was to perform and report …

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