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    Perception and Attitude of Turkish Gastroenterologists Toward Obesity: A Nationwide Survey Conducted by the Obesity Study Group of the Turkish Gastroenterology Association
    (Aves, 2024) Tahtaci, Mustafa; Yildirim, Emre; Ucbilek, Enver; Sen, Ilker; Bilican, Gulden; Zahide, Simsek; Gumus, Suheyla Ayca
    Background/Aims: Gastroenterologists have an important role in the treatment and management of comorbidities related to obesity. Assessment of gastroenterologists' perception and attitude toward obesity was aimed in this study. Materials and Methods: Survey questions were determined for the study. An online questionnaire was prepared afterward. Participants were invited via e-mail by providing them with information about the study. It was ensured that those who accepted the study could access the questionnaire form with the relevant link. Participants who answered all questions were included in the study. Results: Totally 117 gastroenterologists were included in the study. The proportion of gastroenterologists who thought that obesity complicates the management of gastroenterological diseases and those who thought obesity as a factor that negatively affects the prognosis of gastroenterological diseases was determined as 88.9% and 95.7%, respectively. Among the obese patients, the proportion of those who applied diet therapy, exercise, pharmacotherapy, and endoscopic methods was 94%, 91.5%, 35%, and 37.6%, respectively. The rates of intragastric balloon therapy and intragastric botulinum toxin A injection were 30% and 21.4%, respectively. The proportion of those who agreed that obese patients lost a significant amount of weight with the treatment methods applied was 47.2%. The proportion of participants who agreed that long-term maintenance of weight loss was impossible for most obese patients was 59.8%. Conclusion: To our knowledge, this is the first study that evaluates the perception and attitude of gastroenterologists toward obesity. Our study results show that gastroenterologists think that obesity is a chronic disease and that gastroenterologists should be involved in management of obesity.
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    Usefulness of mean platelet volume as a biomarker for diagnosing arterivenosus fistulas thrombosis in routine hemodialysis patients
    (2020) Bilican, Gulden; Gok Oguz, Ebru; Ergin, Mustafa; Yayar, Ozlem; Kivrakoglu, Fatih; Oztekin, Sanem; Ayli, Mehmet Deniz; Sahin, Hatice
    Aim: Hemodialysis patients should have an access to a vessel. Thrombosis is responsible for 80-85% of fistula losses. Mean Platelet Volume (MPV) is routinely measured in complete blood count and shows the average volume of circulating platelets. In our study, we aimed to investigate whether MPV values may be used as a cheap and noninvasive marker in the early diagnosis and intervention of arteriovenous fistula (AVF) thrombosis.Material and Methods: This retrospective study included 48 patients having one or more episodes of late fistula thrombosis at the hemodialysis unit and 47 patients without history of AVF thrombosis.Results: Demographic and laboratory characteristics were used to compare between groups and no significant difference was found (p> 0.05). On the other hand, significant difference was reported (p=0.001) by the comparison of two groups. Logistic regression analysis, revealed that MPV was an independent risk predictor for the development of AVF thrombosis (p 0.05).Conclusion: AVF dysfunction leads to a significant cost and frequent hospitalization of the patient. Previously, MPV was stated to be a risk factor for arterial and venous thrombosis. This study showed that MPV values may be used in hemodialysis patients as a predictor of thrombosis. Further prospective and retrospective studies should be conducted in order to verify the finding of this study.