Browsing by Author "Yilmaz, Ahmet"
Now showing items 1-20 of 42
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Abnormal Heart Rate Recovery in Stable Heart Failure Patients
Yilmaz, Ahmet; Erdem, Alim; Kucukdurmaz, Zekeriya; Karapinar, Hekim; Gul, Ibrahim; Sarikaya, Savas; Dizman, Rafet (WILEY, 2013)Background Heart rate decrease after exercise, that is associated with reactivation of parasympathetic system, is important, as it is also associated with mortality. Previous studies have shown that this is an independent ... -
Acute coronary syndrome: Short-term effects of early intravenous metoprolol on maximum P wave duration and P wave dispersion
Turgut, Okan; Yilmaz, M. Birhan; Yilmaz, Ahmet; Yalta, Kenan; Kendirliogiu, Omer; Tandogan, Izzet (HEALTH COMMUNICATIONS INC, 2007)In patients with acute coronary syndrome (ACS), the presence of atrial fibrillation (AF) results in worse inpatient outcomes than in those without AF Two electrocardiographic markers, maximum P wave duration (P-maximum) ... -
Acute Effects of Passive Smoking on Endothelial Function
Guel, Ibrahim; Karapinar, Hekim; Yarlioglues, Mikail; Ozdogru, Ibrahim; Kaya, Mehmet Gungor; Yilmaz, Ahmet; Turgut, Okan Onur; Tandogan, Izzet; Eryol, Namik Kemal (SAGE PUBLICATIONS INC, 2011)Impairment of endothelial functions has been shown to occur after acute and chronic exposure to passive smoking (PS), as assessed by flow-mediated dilatation (FMD) of the brachial artery. A total of 61 participants, 30 ... -
Asymptomatic total anomalous pulmonary venous connection with double drainage in a young adult: A case report
Yalta, Kenan; Turgut, Okan Onur; Yilmaz, Ahmet; Yilmaz, Mehmet Birhan; Manduz, Sinasi; Karadas, Filiz; Dogan, Kasim; Tandogan, Izzet (FORUM MULTIMEDIA PUBLISHING, LLC, 2007)Total anomalous pulmonary venous connection is an uncommon congenital anomaly in which all pulmonary venous return drains to the right atrium or one of its tributaries. Survival beyond infancy without surgical palliation ... -
Blood pressure response to exercise is exaggerated in normotensive diabetic patients
Karavelioglu, Yusuf; Karapinar, Hekim; Gul, Ibrahim; Kucukdurmaz, Zekeriya; Yilmaz, Ahmet; Akpek, Mahmut; Kaya, Mehmet Gungor (INFORMA HEALTHCARE, 2013)Introduction. The aim of this study was to investigate the blood pressure (BP) response to exercise in normotensive patients with type II diabetes mellitus (DM). Materials and methods. A cross-sectional study was carried ... -
Cardiac findings in children with Crimean-Congo hemorrhagic fever
Gul, Ibrahim; Kaya, Ali; Guven, Ahmet Sami; Karapinar, Hekim; Kucukdurmaz, Zekeriya; Yilmaz, Ahmet; Icagasioglu, Fusun Dilara; Tandogan, Izzet (INT SCIENTIFIC LITERATURE, INC, 2011)Background: Crimean-Congo hemorrhagic fever (CCHF) involves the multi-organ systems. The involvement of the heart in adult patients has been described previously. We investigated the electrocardiographic and echocardiographic ... -
Clinical importance of elevated CK-MB and troponin I levels in congestive heart failure
Yilmaz, Ahmet; Yalta, Kenan; Turgut, Okan Onur; Yilmaz, Mehmet Birhan; Ozyol, Ali; Kendirlioglu, Omer; Karadas, Filiz; Tandogan, Izzet (HEALTH COMMUNICATIONS INC, 2006)Myocyte necrosis has been considered to play a fundamental role in the pathophysiology of congestive heart failure (CHF), which has usually evolved as a consequence of depletion of compensatory mechanisms and contractile ... -
Closure of patent ductus arteriosus with oversized Amplatzer occluder in a patient with pulmonary hypertension
Karapinar, Hekim; Kucukdurmaz, Zekeriya; Oflaz, Mehmet Burhan; Gul, Ibrahim; Yilmaz, Ahmet (TERMEDIA PUBLISHING HOUSE LTD, 2013)Diagnosis of patent ductus arteriosus is rare in adulthood. Closure of ductus is difficult when diagnosed at an adult age due to the development of pulmonary hypertension and pulmonary arterial disease that generally occurs. ... -
Comparative effects of levosimendan and dobutamine on right ventricular function in patients with biventricular heart failure
Yilmaz, Mehmet Birhan; Yontar, Can; Erdem, Alim; Karadas, Filiz; Yalta, Kenan; Turgut, Okan Onur; Yilmaz, Ahmet; Tandogan, Izzet (SPRINGER, 2009)Severe heart failure represents a major source of morbidity and mortality. Poor right ventricular function is an independent prognostic marker for mortality in patients with chronic heart failure. In this study, levosimendan ... -
Comparison of myocardial performance index versus ratio of isovolumic contraction time/ejection time in left ventricular systolic dysfunction
Yilmaz, Ahmet; Yalta, Kenan; Turgut, Okan Onur; Yilmaz, Mehmet Birhan; Ozyol, Ali; Erdem, Alim; Tandogan, Izzet (SPRINGER, 2007)Myocardial performance index (MPI) has been regarded as an important parameter in the evaluation of ventricular systolic function in congestive heart failure. This study was designed to investigate the relationship between ... -
Coronary collateral circulation: Any effect on P-wave dispersion?
Aslan, Halil; Turgut, Okan; Yalta, Kenan; Yilmaz, Mehmet B.; Ozdemir, Ramazan; Ermis, Necip; Sezgin, Alpay T.; Yetkin, Ertan; Tandogan, Izzet; Yilmaz, Ahmet (SAGE PUBLICATIONS INC, 2008)Coronary collateral circulation determines the severity of ischemic myocardial damage. Increased P-wave dispersion is an independent predictor for atrial fibrillation. Consistent evidence is little about the relation between ... -
Dronedarone: A Promising Alternative for the Management of Atrial Fibrillation
Yalta, Kenan; Turgut, Okan Onur; Yilmaz, Mehmet Birhan; Yilmaz, Ahmet; Tandogan, Izzet (SPRINGER, 2009)Atrial fibrillation (AF) is the most frequently encountered chronic arrhythmia associated with significant morbidity. It is generally encountered in the elderly, and will presumably become more prevalent in the future due ... -
The effect of collateral circulation on left ventricular systolic function
Karadas, Filiz; Yalta, Kenan; Turgut, Okan Onur; Yilmaz, Mehmet Birhan; Yilmaz, Ahmet; Dogan, Kasim; Tandogan, Izzet (LIPPINCOTT WILLIAMS & WILKINS, 2007)Background Conflicting reports exist on the influence of coronary collateral circulation on preservation of left ventricular systolic function. The aim of this study was to assess the effect of coronary collateral circulation ... -
Evaluation of Atrial Electromechanical Coupling Times in Hemodialysis Patients
Karavelioglu, Yusuf; Karapinar, Hekim; Ozkurt, Sultan; Sarikaya, Savas; Kucukdurmaz, Zekeriya; Arisoy, Arif; Kurt, Recep; Yilmaz, Ahmet; Kaya, Mehmet G. (WILEY, 2014)BackgroundThere are no definite data about the atrial electromechanical coupling times (AEMCT) in patients with end stage renal failure (ESRF). The aim of this study was to investigate the AEMCT in ESRF patients without ... -
Evaluation of Endothelium Functions by Flow-mediated Dilatation in Pediatric Patients With Crimean-Congo Hemorrhagic Fever
Karapinar, Hekim; Kaya, Ali; Uysal, Elif Bilge; Kucukdurmaz, Zekeriya; Deveci, Koksal; Guven, Ahmet Sami; Sancakdar, Enver; Yilmaz, Ahmet (LIPPINCOTT WILLIAMS & WILKINS, 2015)Background: Crimean-Congo hemorrhagic fever (CCHF) is a systemic viral disease that also affects the endothelium. Thrombocytopenia and hemorrhage are seen in this disease. But, the cause of thrombocytopenia is not clear. ... -
Evaluation of left ventricular diastolic function in nonhypertensive nondiabetic hemodialysis patients
Karavelioglu, Yusuf; Ozkurt, Sultan; Karapinar, Hekim; Kucukdurmaz, Zekeriya; Arisoy, Arif; Kurt, Recep; Yilmaz, Ahmet; Yarlioglues, Mikail; Akpek, Mahmut; Kaya, Mehmet G. (LIPPINCOTT WILLIAMS & WILKINS, 2013)Aim Diastolic dysfunction (DD) is common in hemodialysis (HD) patients. Because diabetes mellitus (DM) and hypertension (HT) are also common in this patient group, the exact reason for DD in HD patients is not clear. The ... -
Evaluation of Myocardial Perfusion Imaging SPECT Parameters and Pharmacologic Stress Test with Adenosine Versus Coronary Angiography Findings: Are They Diagnostically Concordant?
Hasbek, Zekiye; Erturk, Seyit Ahmet; Cakmakcilar, Ali; Gul, Ibrahim; Yilmaz, Ahmet (GALENOS YAYINCILIK, 2019)Objectives: In this study our first aim was to evaluate the diagnostic concordance of myocardial perfusion scintigraphy (MPS) by pharmacological stress test with adenosine (APST) with coronary angiography (CAG). The secondary ... -
Evaluation of tumor markers CA-125 and CEA in acute myocardial infarction
Yalta, Kenan; Yilmaz, Ahmet; Turgut, Okan Onur; Erselcan, Taner; Yilmaz, Mehmet Birhan; Karadas, Filiz; Yontar, Can; Tandogan, Izzet (HEALTH COMMUNICATIONS INC, 2006)Serum carbohydrate antigen (CA-125) and carcinoembryonic antigen (CEA) have always been of clinical importance in the diagnosis and follow-up of various tumors. This study was devised to investigate the relationship between ... -
External iliac artery pseudo-stenosis associated with catheterization: report of two cases
Karapinar, Hekim; Gul, Ibrahim; Kucukdurmaz, Zekeriya; Gumrukcuoglu, Hasan Ali; Yilmaz, Ahmet (TERMEDIA PUBLISHING HOUSE LTD, 2012)In invasive cardiology practices, the most commonly used vascular access site is the femoral artery. Atherosclerotic stenoses on the femoral and iliac arteries create difficulties in these practices. Vasospasm rarely occurs ... -
gamma-Glutamyltransferase is a promising biomarker for cardiovascular risk
Turgut, Okan; Yilmaz, Ahmet; Yalta, Kenan; Karadas, Filiz; Yilmaz, M. Birlian (CHURCHILL LIVINGSTONE, 2006)Oxidative stress plays a crucial rote in a variety of clinical settings of atherogenesis, and mediates many pathways linked to atherosclerosis and inflammation. gamma-Glutamyttransferase (GGT), an enzyme responsible for ...