Browsing by Author "Ünal, Orçun"
Now showing items 1-20 of 22
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Anxiety and health-related quality of life after cardiac surgery
Güzelhan, Yalçın; Uğurlucan, Murat; Öztaş, Didem Melis; Beyaz, Metin Onur; Ünal, Orçun; Bektaş, Nilüfer; Conkbayır, Cenk; Alpagut, Ufuk; Bozbuğa, Nilgün (Termedia Publishing House Ltd., 2020)Introduction: The aim of this study was to investigate the effect of elective cardiac surgery on health-related quality of life (HRQoL). Material and methods: One hundred and eight (35 women and 73 men, mean age 62.3 ±12.7 ... -
Application of hybrid extracorporeal membrane oxygenation for the treatment of subsequent shock following acute respiratory distress syndrome developing after firearm injury
Yıldız, Yahya; Öztaş, Didem Melis; Ulukan, Mustafa Özer; Erkanlı, Korhan; Ünal, Orçun; Uğurlucan, Murat; Türkoğlu, Halil (Hindawi, 2019)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 of novel and exceptional indications for ... -
Brief review of right aortic arch with aberrant left subclavian artery
Öztaş, Didem Melis; Umutlu, Muzaffer; Ertan, Melike; Beyaz, Metin Onur; Badem, Serdar; Erdinç, İbrahim; Ulukan, Mustafa Özer; Ünal, Orçun; Conkbayır, Cenk; Alpagut, Ufuk; Uğurlucan, Murat (Thieme Medical Publishers, Inc., 2019)Development anomalies of the aortic arch and its major branches are rare congenitalcardiovascular disorders. In this article, we present aberrant left subclavian arteryassociated with right aortic arch. -
Carotid artery plaque structure in the context of symptomatic/asymptomatic nature of carotid artery stenosis
Öztaş, Didem Melis; Tanören Bilen, Bukem; Türker Şener, Leyla; Beyaz, Metin Onur; Ulukan, Mustafa Özer; Ünal, Orçun; Ünlü, Mehmet Burçin; Reis, Paulo Eduardo Ocke; Uğurlucan, Murat (Czech Society of Cardiology and Czech Society for Cardiovascular Surgery, 2021)Objective: In this paper, we examined the relationship between atherosclerotic plaque characteristics and symptomatic carotid artery disease. Material and methods: Twenty-two patients who underwent carotid endarterectomy ... -
Comparison of the apoptotic effects of topically applied papaverine, diltiazem, and nitroprusside to internal thoracic artery
Ünal, Orçun; Ulukan, Mustafa Özer; Bakuy, Vedat; Kaytaz, Behiye; Artan, Sevilhan; Aral, Erinç; Öztaş, Didem Melis; Beyaz, Metin Onur; Uğurlucan, Murat; Sevin, Behçet (Sociedade Brasileira de Cirurgia Cardiovascular, 2020)Objective: To detect and to compare the apoptotic effects of intraoperatively topically applied diltiazem, papaverine, and nitroprusside.Methods: Internal thoracic artery segments of ten patients were obtained during ... -
Congenital cardiac interventions during the peak phase of COVID-19 pandemics in the country in a pandemics hospital in Istanbul
Uğurlucan, Murat; Yıldız, Yahya; Öztaş, Didem Melis; Çoban, Şenay; Beyaz, Metin Onur; Sarı, Gizem; Ulukan, Mustafa Özer; Karakaya, Atalay; Vatansever, Binay; Erkanlı, Korhan; Meriç, Mert; Ünal, Orçun; Demirkol, Demet; Yozgat, Yılmaz; Sarıtaş, Türkay; Erdem, Abdullah; Akdeniz, Celal; Türkoğlu, Halil (Cambridge University Press, 2020)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 of the pandemics in our ... -
The effect of renin-angiotensin blockers on COVID-19 related mortality: A tertiary center's experience
Oflar, Ersan; Koyuncu, Atilla; Alp, Murat Erdem; Kara Osmanoğlu, Hayat Kumbasar; Ünal, Orçun; Beyaz, Metin Onur; Öztaş, Didem Melis; Uğurlucan, Murat; Turhan Çağlar, Fatma Nihan (Czech Society of Cardiology & Czech Society Cardiovascular Surgery, 2022)Background: The first reports on coronaviruse disease 2019 (COVID-19) revealed an exaggerated mortality rate in hypertensive patients. In this regard, concerns about angiotensin-converting enzyme (ACE) inhibitors’ and ... -
The efficacy of percutaneous transluminal angioplasty on the limb salvage and recovery of symptoms in patients with buerger's disease with critical limb ischemia
Rodoplu, Orhan; Yıldız, Cenk Eray; Öztaş, Didem Melis; Conkbayır, Cenk; Ünal, Orçun; Ulukan, Mustafa Özer; Meriç, Mert; Uğurlucan, Murat; Kırbaş, Ahmet (HMP Communications, 2020)Introduction. Buerger's disease, or thromboangiitis obliterans, is associated with limb-threatening chronic arterial lesions. In this study, we sought to investigate the efficacy of the percutaneous transluminal angioplasty ... -
Efficacy of rotational atherectomy followed by drug-coated balloon angioplasty for the treatment of femoropopliteal lesions-comparison with sole drug-coated balloon revascularization: Two-year outcomes
Rodoplu, Orhan; Öztaş, Didem Melis; Meriç, Mert; Beyaz, Metin Onur; Ulukan, Mustafa Özer; Yıldız, Cenk Eray; Ünal, Orçun; Uğurlucan, Murat (Elsevier Inc., 2021)Background: We aimed to evaluate the results of the combined use of rotational atherectomy (RA) followed by drug-coated balloon (DCB) treatment against DCB angioplasty alone in patients who had significantly calcified and ... -
The efficacy of rotational pharmaco-mechanical thrombectomy in patients with acute iliofemoral deep vein thrombosis: Is the standard treatment of deep vein thrombosis changing?
Rodoplu, Orhan; Yıldız, Cenk Eray; Öztaş, Didem Melis; Beyaz, Metin Onur; Ulukan, Mustafa Özer; Ünal, Orçun; Conkbayır, Cenk; Uğurlucan, Murat (SAGE Publications Ltd, 2021)ObjectiveIn this study, we aimed to evaluate the efficiency of rotational thrombectomy device in pharmaco-mechanical thrombolysis for symptomatic acute ilio-femoral deep vein thrombosis.Materials and methodsBetween August ... -
Follow-up results of aortic arch cervical debranching performed with the help of a temporary crossover external carotid artery bypass for cerebral protection followed by endovascular thoracic aortic aneurysm repair
Öztaş, Didem Melis; Uğurlucan, Murat; Beyaz, Metin Onur; Ulukan, Mustafa Özer; Ünal, Orçun; Önal, Yılmaz; Umutlu, Muzaffer; Acunaş, Bülent; Alpagut, Ufuk (Oxford University Press, 2020)OBJECTIVES: Treating aortic arch aneurysms with conventional open surgical and endovascular stent graft procedures is challenging due to the complex anatomy of the arch and the arteries arising from it that nourish the ... -
Increased CRP/albumin ratio is associated with superficial venous reflux disease and varicose vein formation
Ünal, Orçun; Öztaş, Didem Melis; Beyaz, Metin Onur; Erdinç, İbrahim; Meriç, Mert; Ulukan, Mustafa Özer; Karakaya, Atalay; Turhan Çağlar, Fatma Nihan; Uğurlucan, Murat (Czech Society of Cardiology and Czech Society for Cardiovascular Surgery, 2021)Background: It has been recently postulated that inflammation may have an effect on varicose vein development and prognosis, besides increased venous pressure. CRP/albumin (CAR) is a novel inflammatory marker associated ... -
Is there any association between EBV infection and carotid artery stenosis?
Beyaz, Metin Onur; Agaçfidan, Ali; Önel, Mustafa; Öztaş, Didem Melis; Erdinç, İbrahim; Rodoplu, Orhan; Meriç, Mert; Ünal, Orçun; Conkbayır, Cenk; Uğurlucan, Murat (Czech Society of Cardiology Z.S, 2021)Objective: Atherosclerosis is the mainly etiologic factor of coronary artery disease, carotid artery disease and peripheral artery disease. In our study, we aimed to show the presence and effect of Epstein-Barr virus (EBV) ... -
Issues during coronary and visceral revascularization in patients with leriche syndrome and thoracoabdominal aneurysm
Öztaş, Didem Melis; Erdinç, İbrahim; Beyaz, Metin Onur; Önalan, Mehmet Akif; Badem, Serdar; Ulukan, Mustafa Özer; Ünal, Orçun; Conkbayır, Cenk; Uğurlucan, Murat (Wiley, 2021)We read with interest the case report of Kitamura et al.1in whichauthors presented consequent coronary revascularization and thor-acoabdominal replacement in a patient with coronary artery disease,thoracoabdominal aneurysm, ... -
Neutrophil to lymphocyte ratio and platelet to lymphocyte ratio are associated with cryptogenic stroke in patients with patent foramen ovale
Turhan Çağlar, Fatma Nihan; Alp, Murat Erdem; Karabulut, Nilay; Işıksaçan, Nilgün; Katkat, Fahrettin; Cebe, Hülya; Oflar, Ersan; Öztaş, Didem Melis; Rodoplu, Orhan; Ünal, Orçun; Conkbayır, Cenk; Aktürk, Faruk; Uğurlucan, Murat (Termedia Publishing House Ltd., 2020)Introduction: Although most ischaemic strokes are due to cardioembolism, about 25-40% of strokes are cryptogenic. Patent foramen ovale has been associated with cryptogenic stroke; however, the precise mechanism of this ... -
Off-pump ascending aorta or aortic arch to descending aorta bypass with a pericardial roll for the treatment of critically ill infants with interrupted aortic arch
Öztaş, Didem Melis; Meriç, Mert; Beyaz, Metin Onur; Çoban, Şenay; Sarı, Gizem; Yıldız, Yahya; Ulukan, Mustafa Özer; Ünal, Orçun; Rodoplu, Orhan; Sungur, Zerrin; Yozgat, Yılmaz; Sarıtaş, Türkay; Erdem, Abdullah; Uğurlucan, Murat; Tireli, Emin; Türkoğlu, Halil (Cambridge University Press, 2020)Aim: Standard surgical treatment of the interrupted aortic arch with the use of cardiopulmonary bypass is risky especially in critically ill babies. In this manuscript, we present the results of off-pump pericardial roll ... -
Preliminary results of a new illuminated radiofrequency ablation catheter for the treatment of great saphenous vein reflux disease
Beyaz, Metin Onur; Öztaş, Didem Melis; Ulukan, Mustafa Özer; Arslan, Hasan Murat; Ünal, Orçun; Uğurlucan, Murat (SAGE Publications Inc, 2022)Introduction: In the current study, we present single surgeon experience of a new radiofrequency ablation system, the catheter, and the device. Patients and Methods: The new system, which comprises a generator and an ... -
Preoperative arterial and venous cannulation in redo cardiac surgery: From the safety and cost-effectiveness points of view
Yıldız, Yahya; Ulukan, Mustafa Özer; Erkanlı, Korhan; Ünal, Orçun; Öztaş, Didem Melis; Beyaz, Metin Onur; Uğurlucan, Murat (Sociedade Brasileira de Cirurgia Cardiovascular, 2020)Objective: To investigate the safety and cost-effectiveness of preoperative cannulation and conventional approach techniques.Methods: Sixty-one patients who underwent redo open cardiac procedures between September 2015 and ... -
A rare and subtle etiology of chronic oropharyngeal pain: isolated Internal carotid artery kinking without stenosis
Öztaş, Didem Melis; Meriç, Mert; Başaran, Bora; Erdinç, İbrahim; Özgür, Eren; Umutlu, Muzaffer Reha; Ünal, Orçun; Beyaz, Metin Onur; Ulukan, Mustafa Özer; Sencer, Serra; Alpagut, Ufuk; Uǧurlucan, Murat (Elsevier, 2020)Carotid artery kinking is a frequent finding in duplex ultrasonography. However, isolated morphological changes without significant carotid stenosis are rarely symptomatic. Neck pain is a rare symptom in patients with ... -
A surgical technique for ascending aorta, aortic arch and descending aorta replacement without cross-clamp, circulatory arrest or hypothermia
Uğurlucan, Murat; Yıldız, Yahya; Ulukan, Mustafa Özer; Öztaş, Didem Melis; Beyaz, Metin Onur; Canata, Emin; Çoban, Şenay; Ünal, Orçun; Erkanlı, Korhan; Türkoǧlu, Halil (Cambridge University Press, 2020)Treatment of the aneurysms comprising the aortic arch is challenging. Surgical reconstruction usually requires aortic cross-clamping, cardiac arrest, and even deep hypothermia for a bloodless field. In this report, we ...
