Publications by authors named "Ozguer Aytac"

Systemic pseudohypoaldosteronism type 1 (PHA1) is characterized by excessive salt loss from the renal tubulus, colon, sweat and salivary glands. Here we present a case of systemic PHA1 whose genetic analysis revealed a homozygous splicing mutation in intron 4 of SCNN1A (c.684+2 T>A) and discuss with the patient's phenotype.

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Vestibular-evoked myogenic potentials (VEMP), short-latency electromyographic responses elicited by acoustic stimuli, evaluate the function of vestibulocollic reflex and may give information about brainstem function. The aim of the present study is to evaluate the potential contribution of VEMP to the diagnosis of multiple sclerosis (MS). Fifty patients with MS and 30 healthy control subjects were included in this study.

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Background: Robotic surgery is thought to be a solution to overcome the limitations of laparoscopy in sphincter-saving resections. In this study, we present our results on patients undergoing robotic and laparoscopic low anterior resection (LAR) consecutively for rectal adenocarcinoma.

Materials And Methods: Between February 2008 and June 2011, consecutive patients who underwent laparoscopic or robotic LAR by a single surgical team for rectal cancer were evaluated.

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Objective: Nasolacrimal duct obstruction is a relatively common problem among children. Although spontaneous resolution is possible and various conservative treatment options are available, dacryocystorhinostomy is recommended for persistent epiphora. The aim of this study was to report our experience of performing 83 procedures of pediatric endoscopic dacryocystorhinostomy.

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Background: Restorative proctocolectomy and IPAA in patients with familial adenomatous polyposis may leave residual anal transitional zone mucosa that is prone to neoplasia.

Objective: The aim of this study was to evaluate the long-term control of neoplasia at the IPAA, the functional outcomes, and the influence of anastomotic technique on these results.

Design: : This research is a retrospective cohort study from a prospective database.

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An esophageal stricture is one of the complications that may develop during cancer treatment in children. Although more commonly associated with radiotherapy, recurrent mucositis has also been implicated. Presented herein is a case of a patient with acute lymphoblastic leukemia who suffered recurrent attacks of severe mucositis.

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Rhizobium radiobacter is an uncommon opportunistic pathogen present in soil. It has been particularly associated with indwelling intravascular devices in immunocompromised patients. Reported herein is a case of R.

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Background: The impact of obesity per se on the surgical strategy, ie, sphincter sacrifice (abdominoperineal resection) vs sphincter-preserving resection, outcomes, and long-term maintenance of intestinal continuity has been poorly studied in patients with mid and low rectal cancer.

Objective: The aim of this study is to compare the outcomes and long-term maintenance of intestinal continuity for obese and nonobese patients treated surgically for mid and low rectal cancers.

Design: This is a retrospective cohort study from a prospectively collected database.

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Objective: To investigate if first trimester lipids, sonographic parameters and serum markers are related to small- and large-for-gestational age (SGA, LGA) infants.

Methods: This study was conducted at Baskent University Adana Research Center between December 2009 and July 2011 and enrolled 433 women. Blood samples were drawn to measure fasting blood glucose, serum triglycerides, cholesterol, very low-density lipoprotein, low-density lipoprotein, high-density lipoprotein, fβ-hCG and pregnancy associated protein-A (PAPP-A) at the first trimester.

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This paper deals with the efficiency of electrocoagulation (EC) for the abatement of COD and absorbance (i.e. color) from real textile wastewater using a packed bed electrochemical reactor in a unique design, not previously encountered in the literature for the treatment of textile wastewater by electrocoagulation.

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Central nervous system leukemia may present in different ways. However, intraparenchymal mass is extremely rare in childhood leukemia. Herein, we report a boy who presented with right hemiparesis and anisocoria 1 year after the cessation of the chemotherapy protocol for acute lymphoblastic leukemia.

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A standard hepaticojejunostomy technique might be difficult to perform, especially when the bile duct is small and located deep in the liver hilum. Herein we present a new procedure, the Hand-Fan technique, that was used to enhance the exposure and ease the performance of these challenging anastomoses. Thirty-one patients who had had hepaticojejunostomy with this technique for bile duct injury and other benign biliary pathologies from July 2004 to June 2011 were included into the study.

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Background And Aims: Total laparoscopic surgery is not a new concept, but it is not preferred generally for right colectomy. The aim of the study is to evaluate the outcomes, which are related with surgical technique after total laparoscopic right colectomy (TLRC) and laparoscopic-assisted right colectomy (LARC) for right colon cancer in 30 consecutive patients.

Materials And Methods: Thirty patients with right colon cancer, half of which were treated with TLRC and half of which were treated with LARC, were compared with regard to patient demographics, operative and postoperative data, histopathologic findings, follow-up data, and the complications related to the surgical technique.

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Background: Intraoperative colonoscopy is sometimes needed as an adjunct to colorectal surgery. When it is performed with laparoscopic surgery, there is the potential for prolonged bowel distension, obstructed surgical exposure, and increased morbidity. This study aimed to evaluate the overall safety and outcomes of laparoscopic colorectal procedures in which intraoperative colonoscopy was performed.

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Background And Objective: To report a single center's experience with laparoscopic excision of local recurrence of renal cell carcinoma.

Methods: Between January and August 2011, 5 patients who underwent laparoscopic excision of local recurrence were identified from the institutional laparoscopic surgery database.

Results: Four radical nephrectomies and 1 partial nephrectomy were performed for primary tumors.

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Background: Recurrent macrophage activation syndrome (MAS) is rarely reported.

Aim: To describe recurrent MAS in a 2.5-year-old girl with systemic juvenile idiopathic arthritis and heterozygous perforin mutation, which may have a role in the patient's first recurrence despite use of the HLH-2004 treatment protocol.

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Background: The aim of the present study was to document our recent experience in managing horseshoe fistula of cryptoglandular origin with a modification of the Hanley procedure using a hybrid elastic one-stage cutting seton.

Methods: Surgical outcomes of the modified Hanley procedure for horseshoe fistulae using a seton from 2004 through 2010 were analyzed. The seton fashioned from a surgical glove was tied around the sphincter under less tension than a traditional cutting seton, hence the definition of "hybrid seton".

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Background: Ventral hernia repair (VHR) with mesh performed concurrently with colorectal surgery is presumably associated with significant risks of infection and recurrence. The purpose of this study is to evaluate the outcomes of patients undergoing VHR with non-absorbable mesh (NAM) or biological mesh (BM) at the same time as open colorectal surgery.

Methods: A retrospective review of short- and long-term outcomes for 25 patients undergoing repair of VHR with NAM or BM at the same time as an open colorectal procedure from 1991 to 2007 was performed.

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Acute swelling of the parotid gland after general anesthesia (commonly known as anesthesia mumps or acute postoperative sialadenitis) is a rare but declared complication of anesthesia. The etiology is not clear, but some possible causes such as obstruction of glandular excretory ducts caused by patient position and increase in the viscosity of the saliva because of acute dehydratation and/or medications like atropin have been proposed. We report a swelling in the left preauricular and postauricular region extending to the angle of the mandibule in a 35-year-old patient after left lateral decubitus position for laparoscopic nephrectomy.

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Objectives: In this experimental study, we have evaluated in vivo and in vitro activities of taurolidine (TRD) against protoscolices of Echinococcus granulosus.

Background: Scolicidal agent application is mandatory for the interventional treatment of hydatid cysts. Serious adverse effects of current scolicidal agents forced the scientist to search for less toxic chemicals.

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Background: Cytology plays an important role in the preoperative assessment of many cancers. It is used as a first-line pathological investigation in both screening and diagnostic purposes.

Aims: To determine the diagnostic value and accuracy of touch imprint cytology (TIC) smear of prostate core needle biopsy (CNB) specimens in the diagnosis of prostate carcinoma.

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Background: The data on the perioperative risk of both thromboembolism and hemorrhage for patients receiving chronic oral anticoagulation who undergo colorectal surgery are sparse. In addition, it is uncertain whether the use of the laparoscopic instead of open technique entails additional risk for these patients. This study aimed to evaluate surgical outcomes, with a particular focus on perioperative thromboembolic and bleeding complications for patients receiving chronic oral anticoagulation therapy who undergo open or laparoscopic colorectal resection.

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Objective: Acute ethanol intoxication has been shown to cause oxidative damage in many organ systems including the brain. Erythropoietin has antioxidant effects and prevents neuronal damage in the animal model of ischemic brain injury. In this study, we aimed to investigate the effects of darbepoetin alpha, an analog of erythropoietin with a longer half-life and higher in vivo activity, on ethanol-induced acute brain injury.

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