Zekeriya Küçükdurmaz1, Hekim Karapınar1, Mehmet Burhan Oflaz2, İbrahim Gül1, Gülay Aydın1, Hakan Güneş1, Ahmet Yılmaz11Department of Cardiology, Cumhuriyet University Faculty of Medicine, Istanbul, Turkey 2Department of Pediatric Cardiology, Cumhuriyet University Faculty of Medicine, Istanbul, Turkey