Publications by authors named "Mehmet Abdussamet Bozkurt"

Article Synopsis
  • This study compares two surgical methods, Hartmann's procedure (HP) and resection with primary anastomosis (RPA), for treating acute left-sided colonic emergencies among 1215 patients from 204 centers globally.
  • Results showed that while HP was the more common treatment (57.3%), RPA was favored for younger patients with fewer health issues and those needing surgery sooner.
  • The study concluded that although HP is still widely used, RPA might be the better option, emphasizing the importance of patient characteristics and surgeon experience in determining treatment choice.
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Background: Acute cholecystitis (AC) is one of the most common emergency diseases in surgical practice. Although the gold standard treatment is laparoscopic cholecystectomy, percutaneous cholecystostomy (PC) is performed in some patients due to age, comorbidity, and delays in admission. We aimed to investigate the effect of timing on the clinical process of patients undergoing PC.

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Background: Colorectal cancer remains a health problem despite advances in diagnostic and treatment methods. This study aimed to determine the impact of positive-to-total lymph node ratio on survival in colorectal cancer.

Methods: Patients with stage 3 colorectal cancer were included.

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Purpose: Although not as life-threatening as anastomotic leakage, anastomotic stricture reduces the quality of life. The risk factors for such an important life complication have not been revealed. This article examines the risk factors affecting anastomotic strictures due to colorectal cancers.

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Article Synopsis
  • The study investigated the impact of the COVID-19 pandemic on the management of patients with acute appendicitis, comparing practices before and during the pandemic.
  • It included a review of 8,972 patients from multiple centers to analyze differences in diagnosis, treatment approaches, and post-treatment outcomes between the pre-pandemic (Jan-Apr 2019) and pandemic (Jan-Apr 2020) periods.
  • Findings showed an increase in non-operative follow-up requests and higher rates of open surgery during the pandemic, but no direct correlation was found between pandemic restrictions and the severity of acute appendicitis cases.
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Background: Patients with obesity are at a high risk of severe disease and death from Coronavirus Disease 2019 (COVID-19). Vaccination offers a safe and effective means of reducing this risk. The rate of COVID-19 vaccine refusal in patients with obesity is unknown.

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<b>Aim:</b> Colorectal cancers are common cancers. Colonoscopy procedure, which is applied in the early diagnosis and treatment of this disease, has a very important role. In this study, we aimed to examine the effect of the COVİD-19 pandemic period on our colonoscopic procedures.

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Objective: To evaluate the anatomy of the extrahepatic bile duct and to reveal its importance in the formation of acute calculous cholecystitis (ACC).

Study Design: Case-control study.

Place And Duration Of Study: Department of General Surgery and Radiology, Kanuni Sultan Suleyman Training and Research Hospital of the University of Health Sciences, Turkey, between January 2016 and December 2021.

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Unlabelled: Background Refugees and asylum-seekers have lower levels of cancer awareness and this contributes to low rates of screening and more advanced cancers at diagnosis, compared to non-refugee populations, due largely to reduced access to medical information and care. The global Afghan refugee population is rapidly increasing with the ongoing Afghan political crisis. The present study investigates breast cancer (BC) awareness among Afghan refugee women.

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Purpose: The histopathological effects of the COVID-19 period on the upper gastrointestinal system are not clearly known. This study is the first in the literature to compare the results of upper endoscopic biopsy before and during the COVID- 19 period.

Methods: Data of 10510 patients who underwent upper endoscopy with a given biopsy sample during the procedure between March 2019 and March 2021 were retrospectively scanned.

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Aim: The aim of this study is to evaluate the factors that has an effect on Cecal Intubation time (CIT), and to define the relationship between quality of bowel preparation and body mass index (BMI).

Patients Methods: The Boston Bowel Preparation Scale (BBPS) was used for the evaluation of bowel cleansing. A total of 346 patients were included.

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Scientific research continues on new preventive and therapeutic strategies against severe acute respiratory syndrome Coronavirus-2 (SARS-CoV-2). So far, there is no proven curative treatment, and a valid alternative therapeutic approach needs to be developed. This study is designed to evaluate the effect of quercetin in COVID-19 treatment.

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Background: There are data on the safety of cancer surgery and the efficacy of preventive strategies on the prevention of postoperative symptomatic COVID-19 in these patients. But there is little such data for any elective surgery. The main objectives of this study were to examine the safety of bariatric surgery (BS) during the coronavirus disease 2019 (COVID-19) pandemic and to determine the efficacy of perioperative COVID-19 protective strategies on postoperative symptomatic COVID-19 rates.

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Objective: To determine the success rate of minimally invasive parathyroidectomies (MIPs) with preoperative scintigraphy and ultrasonography, and to assess whether these imaging modalities are sufficient.

Study Design:  Observational study.

Place And Duration Of Study:   Department of General Surgery, University of Health Sciences, Kanuni Sultan Süleyman Training and Research Hospital, Istanbul, Turkey between March 2017 and December 2019.

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Purpose: There is no clear consensus as to which topical hemostatic agent is best used during cytoreductive surgery combined with hyperthermic intraperitoneal chemotherapy. The aim of this study was to evaluate the effect of hyperthermic chemotherapy on the biomechanical properties of organic topical hemostatic agents and histologically fibrin formation rates.

Methods: Four topical hemostatic agents (Spongostan™, Surgicel, Fibrillar™, Arista) were evaluated.

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Introduction: Anastomotic leakage (AL) is one of the most disastrous complications after rectosigmoid cancer operations. The aim of this study is to investigate the effect of the insertion time of circular stapler anvil on assessing the blood supply of the proximal colon segment, and thus to evaluate the prevention of early anastomotic leaks.

Material Methods: A total of 57 patients were included in the study, 25 patients in group A and 32 patients in group B, respectively.

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Purpose: Colonoscopic detorsion (CD) is the first treatment option for uncomplicated sigmoid volvulus (SV). We aim to examine the factors affecting the failure of CD.

Methods: The files of patients, treated after diagnosis of SV between January 2015 and September 2020, were retrospectively reviewed.

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Background: Laparoscopic cholecystectomy (LC) is the accepted standard treatment for acute cholecystitis (AC) in patients eligible for surgery. Percutaneous cholecystostomy (PC) can provide a permanent treatment for high-risk patients for surgery or act as a bridge for later surgical treatment. This study is an evaluation of the use of PC during the current coronavirus 2019 (COVID-19) pandemic at a single hospital.

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Background: Over-the-scope clip (OTSC) devices are now widely used by endoscopists for gastrointestinal bleeding, perforation, or leakage. The present study aims to examine the therapeutic success rate of this technique.

Methods: This was a single-center, retrospective study.

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Introduction: Laparoscopic total extraperitoneal (TEP) inguinal hernia repair is a well-known approach to inguinal hernia repair. The present study aims to compare the advantages and disadvantages of the TEP technique under general anesthesia (GA) and epidural anesthesia (EA).

Materials And Methods: The patients were divided into 2 groups as those undergoing TEP under EA (Group 1) and those undergoing TEP under GA (Group 2).

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Purpose: Constipation is a common entity in society with various factors in the etiology. In this study, we evaluated the role of anal sphincter pressure of patients who refer to surgery clinic with complaint of constipation.

Methods: Sixty patients who refer to surgery clinic with complaint of constipation and were diagnosed with constipation due to Rome III criteria between July 2010 and September 2014.

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Introduction: Gastroesophageal reflux is a major problem after sleeve gastrectomy. There is still insufficient understanding of how it occurs and whether it is due to the sphincter length, relaxation, or pressure differences.

Aim: This study evaluates the effect on the lower esophageal sphincter of the laparoscopic sleeve gastrectomy (LSG) technique applied in surgery in cases of morbid obesity using ambulatory 24-h pH monitoring (APM) and esophageal manometry (EM).

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The optimal method for preventing abscesses in perforated appendicitis is unclear. We compared the efficacy of lavage versus aspiration for periappendicular collections/abscesses in perforated appendicitis. Our study included 286 patients.

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Non-traumatic rectum perforation is rarely seen if there is no underlying tumor formation. The perforations in the middle and lower parts of the rectum that are under the peritoneal reflex are asymptomatic unless there is intraabdominal infection or inflammation. In this study, we aim to present a patient who referred to the emergency surgery clinic with the small bowel prolapse from the anus.

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