Full Text Journal Articles by
Author Okan Yildiz

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Late Arterial Switch Surgery Under ECMO Support in a Patient with Transposition of the Great Arteries with Intact Ventricular Septum: a Case Report.

Sertac Haydin, Erkut Ozturk, Okan Yildiz, Behzat Tuzun, Alper Guzeltas,

A 30-month-old male patient with transposition of the great arteries with intact ventricular septum (TGA/IVS) is presented. Arterial switch operation (ASO) was performed in the light of echocardiographic and angiographic findings. The patient remained under extracorporeal membrane oxygenation support for seven days postoperatively, and his cardiac functions returned to normal ... Read more >>

Braz J Cardiovasc Surg (Brazilian journal of cardiovascular surgery)
[2020, 35(1):113-116]

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Adiponectin levels decrease independently of body mass index and diabetes type after the normalization of hyperglycemia

Nalan Metin Aksu, Duygu Yazgan Aksoy, Meltem Akkaş, Neşe Çinar, Fatma Uçar, Okan Bülent Yildiz, Aydan Usman,

Background/aim:Acute hyperglycemia is generally a frequently encountered condition in the emergency department (ED), because it is seen as a complication of diabetes mellitus (DM). In this study, we aimed to detect the change in adiponectin levels during acute hyperglycemic states and after normalization of blood glucose with insulin treatment. Materials ... Read more >>

Turk J Med Sci (Turkish journal of medical sciences)
[2020, 50(2):312-315]

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Ultrasonographic postoperative evaluation of diaphragm function of patients with congenital heart defects.

Erkut Öztürk, İbrahim Cansaran Tanıdır, Okan Yıldız, Bekir Yükçü, Servet Ergün, Sertaç Haydın, Alper Güzeltaş,

Background:This study aims to investigate the role of ultrasonography in the postoperative evaluation of diaphragm function in patients with congenital heart defect. Methods:This prospective study included a total of 360 patients (176 males, 184 females; mean age 2 years; range, 1 month to 8 years) who underwent congenital heart surgery ... Read more >>

Turk Gogus Kalp Damar Cerrahisi Derg (Turk gogus kalp damar cerrahisi dergisi)
[2020, 28(1):70-75]

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Use of extracorporeal membrane oxygenation in postcardiotomy pediatric patients: parameters affecting survival.

Servet Ergün, Okan Yildiz, Mustafa Güneş, Halil Sencer Akdeniz, Erkut Öztürk, İsmihan Selen Onan, Alper Güzeltaş, Sertaç Haydin,

AIM:We aimed to investigate the risk factors affecting survival after extracorporeal membrane oxygenation use in pediatric postcardiotomy patients. METHODS:One hundred thirty-three consecutive patients who underwent surgery for congenital heart disease who needed extracorporeal membrane oxygenation support were retrospectively analyzed. RESULTS:In all, 3,082 patients were operated, of which 140 patients (4.54% ... Read more >>

Perfusion (Perfusion)
[2020, :267659119897746]

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A Cross-Sectional Study of Overtreatment and Deintensification of Antidiabetic and Antihypertensive Medications in Diabetes Mellitus: The TEMD Overtreatment Study.

Alper Sonmez, Ilker Tasci, Ibrahim Demirci, Cem Haymana, Cem Barcin, Hasan Aydin, Sevki Cetinkalp, Feyza Yener Ozturk, Kamile Gul, Tevfik Sabuncu, Ilhan Satman, Fahri Bayram, ,

INTRODUCTION:Targeting better glycated hemoglobin (HbA1c) and blood pressure (BP) goals may endanger older adults with type 2 diabetes mellitus (T2DM). Overtreatment of T2DM and hypertension is a trending issue, although undertreatment is still common. We investigated the rates and predictors of overtreatment and undertreatment of glycemia and BP in older ... Read more >>

Diabetes Ther (Diabetes therapy : research, treatment and education of diabetes and related disorders)
[2020, 11(5):1045-1059]

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Epicardial Pacemaker in Neonates and Infants: Is There a Relationship Between Patient Size, Device Size, and Wound Complicatıon?

Servet Ergün, Hasan Candaş Kafalı, Serhat Bahadır Genç, Okan Yildiz, Mustafa Güneş, İsmihan Selen Onan, Yakup Ergül, Alper Güzeltaş, Sertaç Haydin,

We aimed to investigate the complications after epicardial pacemaker (PM) implantation in neonates and infants and their relationship with factors such as device size and patient size. Between May 2010 and July 2018, 55 patients under 1 year of age who underwent epicardial PM placement were retrospectively evaluated. PM-related complications requiring ... Read more >>

Pediatr Cardiol (Pediatric cardiology)
[2020, 41(4):755-763]

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Outcomes of the 10th Istanbul Symposium on pediatric extracorporeal life support systems and cardiopulmonary perfusion.

İsmihan Selen Onan, Barış Timur, Okan Yıldız, Erkut Öztürk, Sertaç Haydin,

Artif Organs (Artificial organs)
[2020, 44(2):187-190]

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Incidence and treatment of pulmonary vein stenosis after repair of total anomalous pulmonary venous connection.

Ersin Erek, Dilek Suzan, Selim Aydın, Ramal Hesenov, Bahar Temur, Barış Kırat, Okan Yıldız, İbrahim Halil Demir, Ender Ödemiş,

Background:In this study, we aimed to investigate the incidence and treatment of pulmonary vein stenosis after repair of total anomalous pulmonary venous connection. Methods:Between December 2010 and December 2016, a total of 40 patients (25 males, 15 females; mean age 45±41 days; range, 2 days to 6 months) who underwent ... Read more >>

Turk Gogus Kalp Damar Cerrahisi Derg (Turk gogus kalp damar cerrahisi dergisi)
[2019, 27(4):471-477]

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Outcomes of arterial switch operation for Taussig-Bing anomaly versus transposition of great arteries and ventricular septal defect.

Ersin Erek, Dilek Suzan, Selim Aydın, Okan Yıldız, Barış Kırat, I Halil Demir, Ender Ödemiş,

Background:This study aims to present the outcomes of arterial switch operation for Taussig-Bing anomaly versus transposition of the great arteries and ventricular septal defect. Methods:Between November 2010 and December 2016, a total of 100 consecutive arterial switch operations in 42 pediatric patients (25 males, 17 females; median age 17 days; ... Read more >>

Turk Gogus Kalp Damar Cerrahisi Derg (Turk gogus kalp damar cerrahisi dergisi)
[2019, 27(3):266-273]

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Risk Factors for Major Adverse Events after Surgical Closure of Ventricular Septal Defect in Patients Less than 1 Year of Age: A Single-Center Retrospective.

Servet Ergün, Serhat Bahadır Genç, Okan Yildiz, Erkut Öztürk, Hasan Candaş Kafalı, Pelin Ayyıldız, Sertaç Haydin,

OBJECTIVE:To reveal the risk factors that can lead to a complicated course and an increased morbidity in patients < 1 year old after surgical ventricular septal defect (VSD) closure. METHODS:We reviewed a consecutive series of patients who were admitted to our institution for surgical VSD closure who were under one ... Read more >>

Braz J Cardiovasc Surg (Brazilian journal of cardiovascular surgery)
[2019, 34(3):335-343]

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Cardiac Catheterization in the Early Post-Operative Period after Congenital Heart Surgery.

Taner Kasar, Ibrahim Cansaran Tanidir, Erkut Ozturk, Candas Kafali, Murat Sahin, Okan Yildiz, Sertac Haydin, Alper Guzeltas,

Background:The number of diagnostic and interventional cardiac catheterization procedures are increasing in the post-operative period of congenital heart diseases (CHD). The aim of this study was to evaluate data of patients who underwent cardiac catheterization in the early post-operative period after congenital heart surgery (CHS). Methods:We retrospectively evaluated the data ... Read more >>

Acta Cardiol Sin (Acta Cardiologica Sinica)
[2018, 34(6):481-487]

Cited: 1 time

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Vacuum-Assisted Closure for Mediastinitis in Pediatric Cardiac Surgery: A Single-Center Experience.

Ismihan Selen Onan, Okan Yildiz, Behzat Tüzün, Barış Timur, Sertaç Haydin,

Vacuum-assisted closure (VAC) has been widely used to treat mediastinitis after congenital cardiac surgery, which is associated with a high risk of morbidity and mortality. The aim in this study is to review our 14 cases of mediastinitis treated with VAC therapy after congenital cardiac surgery. We retrospectively reviewed the ... Read more >>

Artif Organs (Artificial organs)
[2019, 43(2):119-124]

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Outcomes of truncus arteriosus repair with bovine jugular vein conduit.

Ersin Erek, Bahar Temur, Dilek Suzan, Selim Aydın, Okan Yıldız, Barış Kırat, İbrahim Halil Demir, Ender Ödemiş,

Background:In this study, we aimed to evaluate the outcomes of truncus arteriosus repair in patients undergoing Rastelli type truncus arteriosus. Methods:A total of 13 patients (7 males, 6 females; median age 37 days; range, 16 to 60 days) underwent repair of truncus arteriosus using Contegra conduits between January 2011 and ... Read more >>

Turk Gogus Kalp Damar Cerrahisi Derg (Turk gogus kalp damar cerrahisi dergisi)
[2018, 26(3):365-369]

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Analysis of congenital heart surgery results: A comparison of four risk scoring systems.

Okan Yıldız, Taner Kasar, Erkut Öztürk, Behzat Tüzün, Hüsnü Fırat Altın, İsmihan Selen Onan, Alper Güzeltaş, Sertaç Haydin,

Background:This study aims to evaluate the surgical results of our clinic according to presumption systems of Risk Adjustment in Congenital Heart Surgery, Aristotle Basic Complexity score, Aristotle Comprehensive Complexity score, and Society of Thoracic Surgeons and European Association for Cardiothoracic Surgery mortality categories and to compare the efficiency of these ... Read more >>

Turk Gogus Kalp Damar Cerrahisi Derg (Turk gogus kalp damar cerrahisi dergisi)
[2018, 26(2):200-206]

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Comparison of trace element levels after cardiopulmonary bypass between cyanotic and acyanotic patients.

Firat H Altin, Bahar Ozturk Kurt, Ibrahim C Tanidir, Mehmet Kaya, Okan Yildiz, Meliha Z Kahraman, Sinem B Celebi, Erkut Ozturk, Semra Ozdemir,

Trace elements are essential micronutrients for the human body. In this study, we evaluated the alterations in copper, chromium, manganese, selenium, magnesium, zinc, iron, arsenic, boron, and silicon levels in children with cyanotic and acyanotic CHD who underwent cardiac surgery with cardiopulmonary bypass. Participants were divided into the following three ... Read more >>

Cardiol Young (Cardiology in the young)
[2018, 28(5):632-638]

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The Evaluation of Nosocomial Infections in Pediatric Patients with Extracorporeal Membrane Oxygenation Support.

Pelin Ayyıldız, Taner Kasar, Erkut Ozturk, Okan Yildiz, Serpil Ozturk, Yakup Ergul, Sertac Haydin, Alper Guzeltas,

INTRODUCTION:Extracorporeal membrane oxygenation (ECMO) has become a standard technique over the past few decades in intensive care unit (ICU). OBJECTIVE:A review of pediatric patients who received ECMO support in the pediatric cardiac ICU was conducted to determine the incidence, risk factors and causal organisms related to acquired infections and assess ... Read more >>

Braz J Cardiovasc Surg (Brazilian journal of cardiovascular surgery)
[2017, 32(6):468-474]

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Cardiac catheterization procedures in pediatric patients undergoing extracorporeal membrane oxygenation cardiac catheterization, ECMO.

Alper Güzeltaş, Taner Kasar, İbrahim Cansaran Tanıdır, Erkut Öztürk, Okan Yıldız, Sertaç Haydin,

OBJECTIVE:Extracorporeal membrane oxygenation (ECMO) is a lifesaving intervention for pediatric patients with respiratory and/or cardiovascular failure. In this study, we evaluated the cardiac catheterization results of pediatric patients on ECMO support. METHODS:Between January 2012 and October 2016, 98 patients (5.2% of all surgery patients) needed ECMO support during perioperative cardiac ... Read more >>

Anatol J Cardiol (Anatolian journal of cardiology)
[2017, 18(6):425-430]

Cited: 2 times

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Initial Clinical Experiences With Novel Diagonal ECLS System in Pediatric Cardiac Patients.

Yildiz Okan, Haydin Sertac, Ozturk Erkut, Kasar Taner, Onan I Selen, Altin H Firat, Cine Nihat, Ayyildiz Pelin, Erkan Halime, Guzeltas Alper,

Extracorporeal life support (ECLS) provides mechanical support following cardiac surgery when respiratory or cardiac failure occurs. The aim of this study was to analyze the safety and feasibility of the Medos Deltastream diagonal pump (DP3) ECLS system in pediatric cardiac patients. We described the technical considerations and risk factors related ... Read more >>

Artif Organs (Artificial organs)
[2017, 41(8):717-726]

Cited: 5 times

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The Efficacy of Thoracic Ultrasonography in Postoperative Newborn Patients after Cardiac Surgery.

Erkut Ozturk, Ibrahim Cansaran Tanidir, Okan Yildiz, Yakup Ergul, Alper Guzeltas,

In this study, the efficacy of thoracic ultrasonography during echocardiography was evaluated in newborns.Sixty newborns who had undergone pediatric cardiac surgery were successively evaluated between March 1, 2015, and September 1, 2015. Patients were evaluated for effusion, pulmonary atelectasis, and pneumothorax by ultrasonography, and results were compared with X-ray findings.Sixty ... Read more >>

Braz J Cardiovasc Surg (Brazilian journal of cardiovascular surgery)
[2017, 32(4):283-287]

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Hemodynamics of patient-specific aorta-pulmonary shunt configurations.

Senol Piskin, H Firat Altin, Okan Yildiz, Ihsan Bakir, Kerem Pekkan,

Optimal hemodynamics in aorta-pulmonary shunt reconstruction is essential for improved post-operative recovery of the newborn congenital heart disease patient. However, prior to in vivo execution, the prediction of post-operative hemodynamics is extremely challenging due to the interplay of multiple confounding physiological factors. It is hypothesized that the post-operative performance of ... Read more >>

J Biomech (Journal of biomechanics)
[2017, 50:166-171]

Cited: 6 times

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Assessment of children with vascular ring.

Hasan Tola, Erkut Ozturk, Okan Yildiz, Ersin Erek, Sertac Haydin, Aysel Turkvatan, Yakup Ergul, Alper Guzeltas, Ihsan Bakir,

Vascular rings may cause pressure on the trachea and/or esophagus of varying degree, resulting in symptoms. This study assessed the presentation symptoms, diagnostic methods and treatment results after surgery in children with vascular ring.Symptomatic vascular ring patients undergoing surgery between January 2010 and August 2014 at Mehmet Akif Ersoy Cardiovascular ... Read more >>

Pediatr Int (Pediatrics international : official journal of the Japan Pediatric Society)
[2017, 59(2):134-140]

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The use of neonatal extracorporeal life support in pediatric cardiac intensive care unit.

Erkut Öztürk, Okan Yıldız, Nihat Çine, Behzat Tüzün, Selen Onan, Yakup Ergül, Alper Güzeltaş, Sertaç Haydin, Mehmet Yeniterzi, İhsan Bakır,

The aim of the study is to evaluate extracorporeal life support system (ECLS) employed in neonates in pediatric cardiac intensive care unit.Twenty-five neonates that required ECLS in between November 2010 and November 2015 were evaluated.The median age was 12 days (range 3-28 days) and the median body weight was 3 kg ... Read more >>

J. Matern. Fetal. Neonatal. Med. (The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians)
[2017, 30(12):1397-1401]

Cited: 2 times

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Early Degeneration of Extracellular Matrix Used for Aortic Reconstruction During the Norwood Operation.

Ersin Erek, Selim Aydin, Dilek Suzan, Okan Yildiz, Ibrahim Halil Demir, Ender Odemis,

The use of prosthetic patch material is often required during the surgical reconstruction of complex congenital cardiac malformations. Decellularized porcine small intestinal submucosa, a type of extracellular matrix, was recently introduced as a patch for cardiac and vascular tissue repair. Extracellular matrix was used for aortic reconstruction during the Norwood ... Read more >>

Ann. Thorac. Surg. (The Annals of thoracic surgery)
[2016, 101(2):758-760]

Cited: 3 times

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Alterations in antioxidant and oxidant status of children after on-pump surgery for cyanotic and acyanotic congenital heart diseases.

Firat H Altin, Hayriye A Yildirim, Ibrahim C Tanidir, Okan Yildiz, Meliha Z Kahraman, Erkut Ozturk, Sinem B Celebi, Mugisha Kyaruzi, İhsan Bakir,

Oxidative stress refers to an imbalance between reactive oxidative species and antioxidants. In this case-controlled, prospective, observational study, we investigated the total oxidant status, total antioxidant status, oxidative stress index, and albumin and C-reactive protein levels of children with cyanotic and acyanotic congenital heart diseases who had undergone on-pump cardiac ... Read more >>

Cardiol Young (Cardiology in the young)
[2017, 27(2):325-332]

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Fondaparinux Treatment in a Neonate with Heparin Induced Thrombocytopenia during Extracorporeal Life Support.

Erkut Ozturk, Pelin Ayyildiz, Okan Yildiz, Ibrahim Cansaran Tanidirb, Selen Onan, Alper Gulzeltas, Setac Haydin, Mehmet Yeniterzi,

The utilization of mechanical life support due to respiratory insufficiency and serious cardiac pathologies have been increasing. Anticoagulation to prevent clot formation is mandatory and unfractioned heparin is the standard therapy in use. But rarely heparin induced thrombocytopenia (HIT) might develop as an immunologic side effect of heparin. Development of ... Read more >>

Maedica (Buchar) (Maedica)
[2016, 11(1):68-71]

Cited: 1 time

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