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Featured researches published by Bingür Sönmez.


Asian Cardiovascular and Thoracic Annals | 2000

Acute Gastrointestinal Complications after Open Heart Surgery

Belhhan Akpinar; Ertan Săgbaş; Mustafa Guden; Kubilay Kemertaş; Bingür Sönmez; Osman Bayindir; Cem'i Demiroğlu

Retrospective analysis revealed that 24 of 4401 adult patients (0.5%) developed severe gastrointestinal complications after open heart surgery during a 3-year period from January 1995. There were 4 women (17%) and 20 men (83%). Mean age was 61.7 ± 2.02 years. Gastrointestinal bleeding (33.3%), mesenteric ischemia (20.8%), pancreatitis (20.8%), hepatic dysfunction (16.7%), and cholecystitis (16.7%) were the most common complications. Mortality was 41.7% (10 patients). During the same period, mortality in the patients who did not develop gastrointestinal complications was 1.89% (p < 0.0001). Emergency basis, reoperation, combined operations, peripheral vascular disease, diabetes mellitus, chronic lung disease, and impaired left ventricle function were found to be risk factors for the development of postoperative gastrointestinal complications.


Surgery Today | 2003

Influence of Cardiovascular Risk Factors on the Outcome of Coronary Artery Bypass Surgery

Yahya Ünlü; Bingür Sönmez

AbstractPurpose. To assess the impact of gender, age, and other cardiovascular risk factors on the outcomes of patients undergoing coronary artery bypass grafting (CABG). Methods. A total of 5 067 consecutive patients undergoing isolated CABG between 1995 and 2000 were divided into the age groups: 25–49 years, 50–59 years, 60–69 years, and 70–84 years. Data on patient age, gender, smoking, serum cholesterol, blood pressure, body mass index, diabetes, family history, morbid obesity, and renal failure were retrospectively analyzed. Results. The percentage of women aged >60 years undergoing CABG was higher than the percentage of men aged >60 years (45.6% vs 36.6%). Most of the cardiovascular risk factors, except for smoking, were favorable in women (P < 0.001). The in-hospital mortality was 2.0% in women and 1.7% in men (P = 0.409). CABG was performed on significantly more men than women, accounting for 80.7% and 19.3% of the 5 067 patients, respectively (P < 0.001). However, the incidence increased remarkably in women aged >60 years. Conclusions. The risks of CABG may vary to some degree in accordance with the major cardiovascular risk factors. The risk of operative mortality was independent of gender in this study.


Perfusion | 2000

The hazardous effects of alveolar hypocapnia on lung mechanics during weaning from cardiopulmonary bypass

Osman Bayindir; Belhhan Akpinar; Ugur Ozbek; Emine Cakali; Ülkü Pekcan; Füsun S. Bulutcu; Bingür Sönmez

The bronchoconstrictive effects of alveolar hypocapnia during weaning from cardiopulmonary bypass (CPB) were investigated in patients undergoing elective coronary artery revascularization. Thirty patients were randomly assigned into two equal groups. In both groups, mechanical ventilation was initiated for 3 min prior to weaning from CPB with the venous pressure low. This kept the pulmonary vascular bed empty, resulting in alveolar hypocapnia (ETCO2 < 2 kPa). Peak airway pressure (P peak) and plateau pressures (P plateau) were recorded. In group 1, 5% CO2 was added to the inspiratory gas mixture and the ETCO2 allowed to rise (ETCO2 > 3.3 kPa). The ventilation pressure measurements were recorded again after 3 min stabilization. In group 2, the venous pressure was increased to allow the pulmonary venous bed to fill and the ventilation pressures recorded after a 3 min period of stabilization. In group 1, the ventilatory pressures dropped significantly (p < 0.001) when the alveolar hypocapnia was reversed with added CO2 (P peak 19.71 ± 5.7 to 12.31 ± 2.8 cmH2O and P plateau 13.15 ± 3.28 to 9.15 ± 2.23 cmH2O). In group 2, a similar effect was achieved by allowing filling of the pulmonary vascular bed (P peak 17.46 ± 4.72 to 11.92 ± 3.03 cmH2O and P plateau 13.93 ± 4.10 to 9.37 ± 3.00 cmH2O). These results suggest that filling the pulmonary vascular bed prior to initiating ventilation, when weaning from CPB, prevents the otherwise deleterious effects of alveolar hypocapnia, resulting in raised bronchomotor tonus and raised airway pressures.


Türk Kardiyoloji Derneği arşivi : Türk Kardiyoloji Derneğinin yayın organıdır | 2012

Retroperitoneal hematoma due to an arteriovenous malformation originating from the femoral artery.

Hasan Ardal; Oguz Yilmaz; Harun Arbatli; Bingür Sönmez

A 56-year-old female patient with ARDS (Acute Respiratory Distress Syndrome) was followed in the ICU (Intensive Care Unit). On the 10th day, she experienced an acute decrease in hemoglobin. Computerized tomography (CT) of the abdomen revealed a retroperitoneal hematoma (Fig. A). The hemorrhage was controlled after medical therapy at first, but two days later, another decrease in blood count and an increase in the size of the hematoma occurred. CT angiography demonstrated an arteriovenous malformation between the right femoral artery and the inferior epigastric vein (Fig. B). The patient was decided to undergo surgery. The hematoma was evacuated, the abnormal vessel originating from the femoral artery was ligated, and the probable bleeding sites from the dilated veins in the retroperitoneal area were controlled. Retroperitoneal hematoma due to an arteriovenous malformation originating from the femoral artery Femoral arterden kaynaklanan bir arteriyovenöz malformasyon nedeniyle gelişen retroperitoneal hematom


Journal of Cardiothoracic and Vascular Anesthesia | 2000

The use of the 5-HT3-receptor antagonist ondansetron for the treatment of postcardiotomy delirium.

Osman Bayndr; Belhhan Akpnar; Erol Can; Mustafa Guden; Bingür Sönmez; Cem'i Demiroğlu


Texas Heart Institute Journal | 2001

Acute Aortic Valve Regurgitation Secondary to Blunt Chest Trauma

Mehmet Unal; Ergun Demirsoy; Abdullah Gogus; Harun Arbatli; Azmi Hamzaoglu; Bingür Sönmez


Turkish journal of trauma & emergency surgery | 2010

Travmatik torasik aort anevrizmalarında endovasküler tedavi: Beş olgunun sunumu ve literatürün gözden geçirilmesi

Oguz Yilmaz; Harun Arbatli; Sirin G; Murat Arpaz; Naci Yağan; Furuzan Numan; Bingür Sönmez


Texas Heart Institute Journal | 2006

Grafting the Restenosed Coronary Artery after Removal of Multiple Failed Stents by Endarterectomy

Ergun Demirsoy; Altay Tandogan; Oguz Yilmaz; Faruk Tükenmez; Suavi Tufekcioglu; Bingür Sönmez


Texas Heart Institute Journal | 2006

Nitric oxide, endothelin-1, and superoxide production in arterial bypass grafts.

Fehime Benli Aksungar; Hadi Moini; Mehmet Unal; Oguz Yilmaz; Bingür Sönmez; Serpil Bilsel


Texas Heart Institute Journal | 1998

A no-touch technique for calcified ascending aorta during coronary artery surgery.

Belhhan Akpinar; Mustafa Guden; Sanisoğlu I; Konuralp C; Yilmaz O; Bingür Sönmez

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Oguz Yilmaz

Memorial Hospital of South Bend

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Harun Arbatli

Memorial Hospital of South Bend

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Mehmet Unal

Memorial Hospital of South Bend

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Naci Yağan

Memorial Hospital of South Bend

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Azmi Hamzaoglu

Istanbul Bilim University

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