Assoc. Prof. Dr. Çayan Akkoyun

Education and Specialization

1999–2005 Atatürk University Faculty of Medicine, medical education (faculty valedictorian)

2005–2010 Gaziantep University Faculty of Medicine, cardiology residency

2016 Associate professorship

2022–2024 Istanbul University, health management

Areas of Expertise

Coronary angiography

Heart failure

Peripheral vascular disease

Pacemaker, CRT and ICD applications

Renal denervation

Heart valve diseases

Echocardiography

Professional Experience

2012–2016 Namık Kemal University, assistant professor

2016–2017 Okan University, cardiology

2010–2012 — Çorlu State Hospital

2017–2018 — Private Atakent Hospital, Yalova

2018–2025 — Private Aktif Hospital, Yalova

2025 — Medical Park Gebze Hospital

Professional Memberships

Turkish Society of Cardiology

European Society of Cardiology

Turkish Medical Association

Courses and Certifications

Stem Cell Applications in Heart Failure — University of Health Sciences / Medipol University

Selected Publications

Akkoyun DÇ, Akyüz A, Alpsoy Ş, Gürel A, Güler N, Değirmenci H, Gürkan Ü. Plasma urotensin II and neurokinin B levels in acute myocardial infarction and stable coronary artery disease. Anatol J Cardiol. 2015;15(8):628–633. doi:10.5152/akd.2014.5596. PMID:25550175.

Akkoyun DÇ, Akyüz A, Kurt Ö, Bilir B, Alpsoy Ş, Güler N. Relationship between red cell distribution width and contrast-induced nephropathy in patients who underwent primary percutaneous coronary intervention. Turk Kardiyol Dern Ars. 2015;43(7):613–620. doi:10.5543/tkda.2015.37941. PMID:26536986.

Akyuz A, Alpsoy S, Akkoyun DC. Spontaneous coronary artery dissection and woven coronary artery: three cases and a review of the literature. 2013. doi:10.4070/kcj.2013.43.6.411. PMID:23882291.

Alpsoy S, Akyuz A, Akkoyun DC, Nalbantoglu B, Topcu B, Tulubas F, Demirkol M, Donma MM. Is Overweight a Risk of Early Atherosclerosis in Childhood? doi:10.1177/0003319713476134. PMID:23401628.

Akyüz A, Akkoyun DÇ, Değirmenci H, Alp R. Atrial Fibrillation Is Associated With Increased Mean Platelet Volume and Apnea Hypopnea Index in Patients With Obstructive Sleep Apnea. doi:10.1177/0003319714548567. PMID:25163774.

Akyüz A, Alpsoy S, Akkoyun DC, Değirmenci H, Güler N. Heart rate recovery may predict the presence of coronary artery disease. Anadolu Kardiyol Derg. 2014. doi:10.5152/akd.2014.4824. PMID:24818624.

Oz F, Gul S, Kaya MG, Yazici M, Bulut I, Elitok A, Ersin G, Abakay O, Akkoyun CD, Oncul A, Cetinkaya E, Gibson MC, Oflaz H. Does aspirin use prevent acute coronary syndrome in patients with pneumonia: multicenter prospective randomized trial. Coron Artery Dis. 2013;24(3):231–237. doi:10.1097/MCA.0b013e32835d7610. PMID:23283029.

Ozer O, Sari I, Davutoglu V, Yigiter R, Akkoyun C. Cryptogenic stroke in two cases with left atrial band: coincidence or cause? doi:10.1093/ejechocard/jen302. PMID:19008258.

Cetingok U Sr, Akkoyun C, Isik Z, Gungor O. Treatment With EkoSonic Endovascular System (EKOS) of Massive Pulmonary Thrombosis Following Recovery From COVID-19 Infection. PMID:36407161.