Kadir Topçu

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Systemic embolization is a potential complication in patients with thrombi situated in the left atrium and particularly, in the left atrial appendage (LAA). Reduced LAA contraction velocities, determined by the transesophageal echocardiography (TEE), are associated with increased risk of LAA spontaneous echocontrast and thrombus formation, and a history of(More)
Coronary artery perforation is a rare and dangerous complication of percutaneous coronary intervention. Its consequences may range from minimal dye staining of the pericardial cavity to haemodynamic collapse, and it requires urgent treatment. Nearly half of cases occur due to the use of stiff and hydrophilic guidewires. Perforations due to stent deployment(More)
OBJECTIVES The aim of this study was to compare the canal debridement capabilities of three single file systems, ProTaper, and K-files in oval-shaped canals. MATERIALS AND METHODS Seventy-five extracted human mandibular central incisors with oval-shaped root canals were selected. A radiopaque contrast medium (Metapex; Meta Biomed Co. Ltd.,(More)
OBJECTIVE The objective of this study was to evaluate the role of first contact emergency departments and ambulances on transport duration, pain-to-balloon time, door-to-balloon time and first contact-to-balloon time in acute myocardial infarction (AMI) patients. METHODS The study was a prospective and observational investigation. A total of 374 AMI(More)
Coronary artery perforation is a rare and dangerous complication of percutaneous coronary intervention. Its consequences may range from minimal dye staining of the pericardial cavity to haemodynamic collapse, and it requires urgent treatment. Nearly half of cases occur due to the use of stiff and hydrophilic guidewires. Perforations due to stent deployment(More)
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