Publications by authors named "Atila K"

Background: Rectal foreign bodies (RFBs) are one of the rare clinical presentations in colorectal surgical practice, with an increasing incidence over the recent years. Due to the lack of standardized treatment options, the management of RFBs can be chal-lenging. This study aimed to evaluate our diagnostic and therapeutic approach to RFBs and to suggest a management algorithm.

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Morgagni hernia is a rare congenital anomaly arising through the fusion defect between the septum transversum and sternum. Diagnosis is usually confusing as the presentation may be asymptomatic as well as with respiratory symptoms, abdominal and/or retrosternal pain, abdominal fullness or gastrointestinal obstruction. In this paper, we discussed the clinical presentation and management of this rare situation with five consecutive cases.

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Morbid obesity surgery has increased by 450 per cent in the past decade. Preferred surgical techniques have also changed, and since 2014, the most common surgical procedure worldwide has been laparoscopic sleeve gastrectomy (LSG). The most serious complication of this surgery is staple-line leaks, which leads to significant increases in cost and a considerable rate of mortality.

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Morgagni hernia is a rare congenital anomaly arising from the fusion defect between the septum transversum and sternum. The diagnosis is usually difficult since the presentation may be asymptomatic or with respiratory symptoms, abdominal and/or retrosternal pain, abdominal fullness, or gastrointestinal obstruction. In this report, we discuss the clinical presentation and management of this rare condition in five consecutive cases.

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Background. Laparoscopic sleeve gastrectomy (LSG) has become a popular operation during the recent years. This procedure requires resection of 80-90% of the stomach.

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Purpose: We aimed to evaluate the relationship between gastrectomy and the volume of liver segments II and III in patients with gastric cancer.

Methods: Computed tomography images of 54 patients who underwent curative gastrectomy for gastric adenocarcinoma were retrospectively evaluated by two blinded observers. Volumes of the total liver and segments II and III were measured.

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Background/aims: The association between systemic inflammatory response and tumor biology has been well documented over the last decade. The aim of this study is to investigate the prognostic role of neutrophilto- lymphocyte ratio (NLR) in gastrointestinal stromal tumors (GISTs).

Methodology: A prospectively recorded database of 67 patients who underwent surgical resection for GIST was reviewed.

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We performed this study to examine the prevalence of tumor deposits (TD) in gastric adenocarcinomas (GACa), and the relevance of their presence, size and type to clinical outcome. Ninety-six patients, histopathologically diagnosed as GACa following a total/subtotal gastrectomy were included, and clinicopathologic data were recorded. Due to the statistical analysis, the majority of TD(+) cases were of intestinal type and showed vascular invasion.

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Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. KIT gene mutations have great importance for GISTs. This study evaluated the relationship between KIT mutations and GIST clinicopathologic features to define region-specific and population-specific differences.

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Cytomegalovirus (CMV) infection is common in solid organ transplant recipients and accounts for the majority of graft compromise. Major risk factors include primary exposure to CMV infection at the time of transplantation and the use of antilymphocyte agents such as OKT3 (the monoclonal antibody muromonab-CD3) and antithymocyte globulin. It most often develops during the first 6 months after transplantation.

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Ingestion of foreign bodies can be a common problem, especially among children, alcoholics, and psychiatric and senile patients. Foreign bodies with smooth edges usually do not pose significant problems, but a sharp foreign object that is not retrieved immediately may penetrate the wall and cause complications. Ingested foreign bodies usually pass the intestinal tract uneventfully, and perforation occurs in less than 1%.

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In this retrospective study, 83 patients were accepted. Mammalian target of rapamycin (mTOR) group consisting of 37 patients were converted from calcineurin inhibitors (CNI), and the control group included 46 patients (initially CNI-receiving patients). As a control-match of each mTOR inhibitor patient, the succeeding patient with transplantation who continued CNI therapy was chosen.

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Background: Renal transplant recipients should be considered at high risk for development of Mycobacterium tuberculosis infection (tuberculosis, TB). TB is relatively more frequent among transplant recipients than general population, depending on its epidemicity in the geographic region. Clinical manifestations in this group of patients may be atypical and deserve aggressive investigations for diagnosis.

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The benign solitary cecal ulcer is a rare clinical entity that is not usually included in the differential diagnosis of the cecal diseases. The etiology is unknown, and there are no pathognomonic lesions or symptoms. Pre-operative and intra-operative diagnosis is difficult.

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Ingestion of foreign bodies can be a common problem especially among children, alcoholics, psychiatric patients, and senile patients, but ingestion of a metallic dinner fork is uncommon. Foreign bodies with smooth edges usually do not pose significant problems, but a sharp foreign object that is not retrieved at the earliest may penetrate the wall and cause complications. Ingested foreign bodies usually pass the intestinal tract without problems, and perforation occurs in less than 1%.

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Background: Although the negative effects of ischemia on anastomotic healing have been shown in many studies, there is no adequate information on the effects of reperfusion injury. Therefore, in this study, we investigated the effect of ischemia-reperfusion (IR) injury on intestinal anastomosis and the protective efficiency of carnitine in an experimental relatively short intestinal ischemia and long duration reperfusion model.

Methods: Animals were divided into three groups (n=14).

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Background: Subclinical hepatic dysfunction after laparoscopic cholecystectomy (LC) has been described in the literature. However, this alteration is not encountered in all patients. In order to address this situation, a prospective study was conducted to investigate the effect of abdominal perfusion pressure (APP) on liver function tests after LC performed under constant intra-abdominal pressure (IAP).

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Background And Aim: Mesh usage in repair of acutely incarcerated hernia is still a concern owing to infectious complications. The aim of this prospective clinical observational cohort study was to evaluate factors that increase the risk of bowel necrosis and to document the clinical outcome of the patients with acutely incarcerated groin hernias treated by non-absorbable mesh.

Materials And Methods: Ninety-five adult patients with acutely incarcerated groin hernias who underwent prosthetic herniorrhaphy from 1997 to 2005 were prospectively included.

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We aimed to evaluate the efficacy of treatment with partially hydrolyzed guar gum (PHGG) using a rat model of ileal pouch-anal anastomosis and pouchitis. In the J pouch groups, tissue myeloperoxidase activities were significantly higher than native myeloperoxidase activities (P = 0.020; P = 0.

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Unlabelled: Cytomegalovirus (CMV) disease is an important complication and an independent risk factor for acute rejection and recipient morbidity-mortality. The aim of this study was to review the results of CMV disease in renal transplant recipients.

Method: We have retrospectively analyzed CMV disease in 120 renal transplant recipients and recorded the demographic features, clinical manifestations, and immunosuppressive regimens.

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The aim of this study is to calculate the exposure of surgical staff during radioguided parathyroidectomy. Two parathyroidectomy operations on patients with parathyroid adenoma were selected. Fifty-centimeter spaced circles were drawn surrounding the operation bed on the floor of the operation room.

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Patients with systemic amyloidosis often have symptoms related to impared gastrointestinal motility due to delayed gastric emptying, which results from autonomic nerve or smooth muscle infiltration with amyloid. There is no current report about gastric delaying secondary to amyloidosis due to familial Mediterranean fever. In this report, we have described a renal transplant recipient with delayed gastric emptying secondary to amyloidosis due to familial Mediterranean fever, which improved with erithromycin treatment.

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Acute humoral rejection (AHR) is generally less responsive to conventional anti-rejection treatment with consequent allograft losses. Therapeutic options include antilymphocyte antibody (ATG), intravenous immunglobulin (IVIG), plasmapheresis, or immunoadsorption with protein A together with intensification of immunsuppression with a tacrolimus/mycophenolate mofetil combination. This report describes a transplant recipient who responded to rituximab therapy as treatment for steroid-, ATG-, IVIG-, and plasmapheresis-resistant AHR.

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The aim of this study was to compare the matrix metalloproteinase-1 (MMP-1) levels in gingival fibroblast cultures derived from two groups of renal transplant patients receiving cyclosporine (CsA) who exhibit gingival overgrowth and who have healthy periodontium. Gingival fibroblasts obtained from four patients with CsA-induced gingival overgrowth (CsA-GO) and four patients who receive CsA but have healthy periodontium were incubated with increasing concentrations of CsA and cultured for 72 hours. Expression levels of MMP-1 in all the groups were measured four times at 0, 24, 48, and 72 hours by the Rapid Collagenase Assay Kit.

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