Publications by authors named "Yucel Cengiz"

Background: Laparoscopic cholecystectomy with ultrasonic dissection presents a compelling alternative to conventional electrocautery. The evidence for elective cholecystectomy supports the adoption of ultrasonic dissection, citing advantages such as reduced operating time, diminished bleeding, shorter hospital stays and decreased postoperative pain and nausea. However, the efficacy of this procedure in emergency surgery and patients diagnosed with acute cholecystitis remains uncertain.

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Background: Incisional hernia (IH) is common and recurrence rates remain high. Although the goal of treatment should be to improve quality of life, studies addressing this aspect are notably absent. We aimed to evaluate the long-term recurrence rate of open mesh repair of IH, investigate the burden of persisting discomfort, explore patient satisfaction, and identify risk factors for negative outcomes.

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Background: An alternative method to standard laparoscopic cholecystectomy (SLC) is the "fundus first" method (FFLC). Concerns have been raised that FFLC can lead to misinterpretation of important anatomical structures, thus causing complications of a more serious kind than SLC. Comparisons between the methods are complicated by the fact that FFLC is often used as a rescue procedure in complicated cases.

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Background: Surgical safety and patient-related outcomes are important considerations when introducing new surgical techniques. Studies about the learning curves for different surgical procedures are sparse. The aim of this observational study was to evaluate the learning curve for ultrasonic fundus-first (FF) dissection in elective laparoscopic cholecystectomy (LC).

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Background: Laparoscopy is common in abdominal surgery. Trocar site hernia (TSH) is a most likely underestimated complication. Among risk factors, obesity, the use of larger trocars and the umbilical trocar site has been described.

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In previous studies the fundus first technique (FF) has been a cost-effective way to simplify the laparoscopic cholecystectomy (LC) and facilitate patient rehabilitation. The feasibility and safety profile when introducing FF as the standard technique were aimed in this study. Between 2004-2014, 29 surgeons performed 1425 LC with FF and 320 with a conventional technique.

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Laparoscopic cholecystectomy (LC) is a commonly performed surgical procedure with a low complication rate. It is performed either as an acute or as an elective procedure. Most elective LCs are performed on nonlethal diseases and this is why good quality is important.

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Background: The 5.2% rate of trocar site incisional hernia (TSIH) reported appears low in view of the proportion of TSIH repairs being performed. Detecting TSIH by clinical examination may be difficult in the obese.

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Purpose: In clinical studies, incisional hernia is usually diagnosed by clinical examination. No other modality has been proven an aid in the diagnosis. The aim was to investigate the correlation between findings at clinical examination and at computed tomography when detecting incisional hernia after midline incisions.

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Polycystic ovary syndrome (PCOS) is associated with abnormal eating habits. We examined whether surgical treatment affected allopregnanolone levels and eating behaviour in nine women with PCOS who qualified for Rou-en-Y gastric bypass surgery. Blood samples were obtained to measure sex-hormone-binding globulin, total testosterone, progesterone, and allopregnanolone, and eating behaviour was evaluated using the Three-Factor Eating Questionnaire before surgery and at 6 and 12 months after surgery.

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Background: Costs associated with laparoscopic fundus-first cholecystectomy using ultrasonic dissection versus a conventional laparoscopic cholecystectomy has not been compared.

Methods: Adult patients subjected to elective laparoscopic cholecystectomy between June 2002 and March 2004 were randomized to either an ultrasonic fundus-first dissection or dissection from the triangle of Calot with electrocautery. Differences in direct and indirect costs related to either technique were studied.

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Background: Parastomal hernia may be present in half of patients after one year. A prophylactic low-weight prosthetic mesh in a sublay position at the index operation reduces the risk of parastomal hernia, without increasing the rate of complications.

Material: Between April 2003 and November 2006 all patients with an ostomy created at an open laparotomy were followed for at least one year.

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Hypothesis: In midline incisions closed with a single-layer running suture, the rate of wound complications is lower when a suture length to wound length ratio of at least 4 is accomplished with a short stitch length rather than with a long one.

Design: Prospective randomized controlled trial.

Setting: Surgical department.

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Background: In conventional laparoscopic cholecystectomy, dissection with electrocautery starts at the triangle of Calot. In a randomized single-center trial, the fundus-first method (dome down) using ultrasonic dissection was faster, involved less pain or nausea, and had a shorter postoperative sick leave. This may relate to the fundus-first method or to the ultrasonic dissection.

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Background: Parastomal hernia is a major clinical problem. In a randomized, clinical trial, a prosthetic mesh in a sublay position at the index operation reduced the rate of parastomal hernia at 12-month follow-up, without any increase in the rate of complications. This study was designed to evaluate the rate of complications after 5 years.

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Hypothesis: Parastomal hernia is a common complication following colostomy. The lowest recurrence rate has been produced when repair is with a prosthetic mesh. This study evaluated the effect on stoma complications of using a mesh during the primary operation.

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The most important risk factor for the development of wound dehiscence and incisional hernia is the suture technique that is totally in the hands of the surgeon. A continuous suture line in one layer with a monofilament material should close midline incisions. Self-locking knots should be used for the anchor knots.

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