Orçun Ünal

ORCID: 0000-0003-1859-8533
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About
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Research Areas
  • Venous Thromboembolism Diagnosis and Management
  • Peripheral Artery Disease Management
  • Diagnosis and Treatment of Venous Diseases
  • Congenital Heart Disease Studies
  • Cardiac and Coronary Surgery Techniques
  • Cerebrovascular and Carotid Artery Diseases
  • Central Venous Catheters and Hemodialysis
  • Aortic aneurysm repair treatments
  • Aortic Disease and Treatment Approaches
  • Intracranial Aneurysms: Treatment and Complications
  • Coronary Artery Anomalies
  • Cardiac, Anesthesia and Surgical Outcomes
  • Vascular Procedures and Complications
  • Tracheal and airway disorders
  • Cardiovascular Health and Disease Prevention
  • Cardiac Ischemia and Reperfusion
  • Dermatologic Treatments and Research
  • Atherosclerosis and Cardiovascular Diseases
  • Coronary Interventions and Diagnostics
  • Ear Surgery and Otitis Media
  • Heart Failure Treatment and Management
  • Cancer Diagnosis and Treatment
  • Viral-associated cancers and disorders
  • Head and Neck Cancer Studies
  • Acute Ischemic Stroke Management

Yedikule Teaching Hospital
2019-2023

İstanbul Kanuni Sultan Süleyman Eğitim ve Araştırma Hastanesi
2023

Sağlık Bilimleri Üniversitesi
2023

Bakırköy Dr.Sadi Konuk Eğitim ve Araştırma Hastanesi
2011-2022

Eskişehir Osmangazi University
2020

Society of Thoracic Surgeons
2014

Van Yüzüncü Yıl Üniversitesi
2014

Bakırköy Psychiatric Hospital
2012-2013

Okmeydanı Eğitim ve Araştırma Hastanesi
2009-2011

İstanbul Eğitim ve Araştırma Hastanesi
2011

Title: Long-term effect of empagliflozin and dapagliflozin in patients with heart failure undergoing coronary artery surgery/endovascular intervention: Is there a difference between these two SGLT2i on hospitalization, MACE, mortality? Objective: This study aims to compare the long-term effects Sodium-Glucose Co-Transporter 2 inhibitors (SGLT2i) major adverse cardiovascular events (MACE), mortality bypass graft surgery (CABG)/percutaneous intervention (PCI) dapagliflozin. Methods: 567...

10.1101/2025.02.25.25322846 preprint EN cc-by medRxiv (Cold Spring Harbor Laboratory) 2025-02-26

Background : Diabetes Mellitus (DM) is the most common endocrine disease worldwide. One of important chronic complications this development diabetic foot. The management foot wounds quite with respect to public health.Aims To determine effect Vacuum Assisted Closure (VAC) therapy on quality life in treatment ulcers and compare it standart wound care.Methods Between May 2007 December 2008, 67 consecutive patients were randomly assigned VAC (Group1, n: 30) or care (Group 2, 37). SF-36...

10.1080/00015458.2011.11680757 article EN Acta Chirurgica Belgica 2011-01-01

It is widely believed that venous ulcers result from insufficiency related to valve damages. To further investigate the pathogenesis of ulcers, we compared influence oxidative stress in valvular tissue on stasis ulcer formation patients with secondary superficial reflux disease.Thirty-nine consecutive who underwent saphenectomy were included study. Patients divided into 2 groups: healed (group 1, n = 15) and without 2, 24). All preoperatively evaluated duplex ultrasound scanning their blood...

10.1177/0003319709343177 article EN Angiology 2009-09-02

The aim of this study was to investigate the effect elective cardiac surgery on health-related quality life (HRQoL).One hundred and eight (35 women 73 men, mean age 62.3 ±12.7 years) patients undergoing open heart were enrolled in study. Physical mental domains measured using 36-item Medical Outcomes Short-Form Health Survey (SF-36) self-administered questionnaire, anxiety symptoms assessed Spielberger State-Trait Anxiety Inventory (STAI). At baseline 108 filled out SF-36 STAI, 102 at...

10.5114/amsad.2020.94376 article EN Archives of Medical Science - Atherosclerotic Diseases 2020-04-08

This study compares hearing results after stapedotomy by 0.6 mm and 0.8 teflon pistons. Retrospective analysis studied 100 patients randomly selected who underwent for otosclerosis with insertion of piston prosthesis prosthesis. Air‐conduction level in both groups were measured before the procedure gain air conduction between 2 at different frequencies compared statistically. The group had better that statistically significant more pronounced lower frequencies.

10.1067/mhn.2001.112431 article EN Otolaryngology 2001-03-01

10.1016/j.ijporl.2003.11.019 article EN International Journal of Pediatric Otorhinolaryngology 2004-01-15

Introduction: In the current study, we present single surgeon experience of a new radiofrequency ablation system, catheter, and device. Patients Methods: The which comprises generator an intervally illuminated was used for treatment 272 consecutive patients with chronic venous insufficiency great saphenous vein between November 2017 October 2018. Mean age 53.40 ± 11.91 years. diameter 8.51 2.45 mm. Bilateral reflux disease in 19% (51 cases) patients. At end procedure, closure confirmed...

10.1177/15533506211021806 article EN Surgical Innovation 2021-05-27

Evaluate the effects of iloprost administration in early period ischemic colitis and mechanism that how these develop.Thirty two Wistar albino female rats with an average weight 220g were divided into four groups eight rats. In group 1 given sacrificed after 24 hours 2 they without any iloprost. The 3 administrated 72 4 at 72th hour differences between as tissue damage, vascularization or apoptosis assessed statistically.Oxidative damage less pronounced was better developed 24th later...

10.1590/s0102-86502011000300011 article EN cc-by Acta Cirúrgica Brasileira 2011-04-29

Buerger's disease, or thromboangiitis obliterans, is associated with limb-threatening chronic arterial lesions. In this study, we sought to investigate the efficacy of percutaneous transluminal angioplasty method for treatment critical limb ischemia (CLI) in patients disease our modest cohort.

10.25270/jic/20.00058 article EN Deleted Journal 2020-06-01

In this study, we aimed to investigate whether vitiligo, an autoimmune disease, affects the ovarian reserves of women suffering from disease.This case-control study included 27 vitiligo patients and 44 healthy participants with regular menstrual cycles. The total number was 71. We conducted in a tertiary hospital between June 2022 November 2022. carried out after receiving Ethics Committee Approval same institute, numbered KAEK/2022.04.88. Before obtained informed consent all our study....

10.26355/eurrev_202305_32468 article EN PubMed 2023-05-01

Abstract Introduction: In this report, we aim to present our algorithm and results of patients with congenital cardiac disorders who underwent surgical or interventional procedures during the peak phase pandemics in country. Patients methods: The first COVID-19 case was diagnosed Turkey on 11 March, 2020, seemed end by April. All whom were referred, treated, previously operated but still at hospital country included into retrospective study. Patient’s diagnosis, interventions, adverse...

10.1017/s1047951120002000 article EN cc-by Cardiology in the Young 2020-06-24

The use of extracorporeal membrane oxygenation (ECMO) in acute respiratory distress syndrome (ARDS) and cardio-circulatory shock has been widely accepted. In recent years, a variety novel exceptional indications for ECMO have proposed; however, experience with the presence multiple penetrating injuries is limited. this report, we present successful application patient firearm injuries. Veno-venous was applied ARDS converted to venoarterial mode when developed septic cardiomyopathy. clinical...

10.1155/2019/3120912 article EN cc-by Case Reports in Medicine 2019-12-04

Abstract Treatment of the aneurysms comprising aortic arch is challenging. Surgical reconstruction usually requires cross-clamping, cardiac arrest, and even deep hypothermia for a bloodless field. In this report, we present our surgical technique providing normothermic ascending aorta, arch, proximal descending aorta replacement with selective cannulation perfusion whole body.

10.1017/s1047951119003159 article EN Cardiology in the Young 2020-01-01

Abstract Development anomalies of the aortic arch and its major branches are rare congenital cardiovascular disorders. In this article, we present aberrant left subclavian artery associated with right arch.

10.1055/s-0039-3401999 article EN cc-by Aorta 2019-12-01

Objective: Superficial venous insufficiency is a common problem associated with varicose veins which, if untreated, may progress to ulceration. Endovenous laser ablation (EVLA) new, minimally invasive method for management of superficial and veins. The aim this study was demonstrate the effectiveness 980 nm EVLA treatment symptomatic saphenous present its early outcomes.Methods: Thirty-eight great 5 small in 40 patients saphenofemoral reflux were treated diode endovenous equipment. diameter...

10.5334/jbr-btr.125 article EN Journal of the Belgian Society of Radiology 2014-11-01

Thoracal sympatectomy for hyperhidrosis and vasospastic vascular diseases is a rare method of surgical treatment. Three patients (1 male, 2 female; mean age 27.6; between 25 30) with palmar and/or axillary dorsal who underwent single port thoracoscopic were analysed age, sex, time operation room, intraoperative postoperative complications length hospital stay. Mean operating room was 70 min (between 30 120 min). stay 1 day. No noted. Single incision laparoscopic surgery safe treatment an...

10.1136/bcr.01.2012.5692 article EN BMJ Case Reports 2012-05-11

Background: Erythropoietin (Epo), a hormone produced by the kidney that promotes formation of red blood cells in bone marrow, is considered anti-inflammatory,anti-apoptotic, angiogenetic and sitoprotective.In this study, high dose erythropoietin examined on an animal model for ischemic colitis (IC) to detect its possible potential benefits.Methods: Thirty female Wistar albino rats weighing 250-300 g were randomized into three experimental groups as follows: Group 1, animals sham operated (n...

10.4172/2157-7099.1000108 article EN Journal of Cytology & Histology 2010-01-01

Introduction Heart-type fatty acid-binding protein (H-FABP) is a novel indicator of myocardial damage. The aim the study was to compare levels H-FABP in off-pump and on-pump coronary artery bypass grafting (CABG). Material methods Thirty non-randomised 30 patients who underwent CABG between January 2009 2010 were enrolled study. Patients divided into two equal size (n = 15) groups as group A (off-pump group) B (on-pump group). Three arterial blood samples obtained for after sternotomy...

10.5114/amsad.2019.85426 article EN Archives of Medical Science - Atherosclerotic Diseases 2019-05-28
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