Yazar "Kayrak, Mehmet" seçeneğine göre listele
Listeleniyor 1 - 4 / 4
Sayfa Başına Sonuç
Sıralama seçenekleri
Öğe Association between A/C1166 gene polymorphism of the angiotensin II type 1 receptor and biventricular functions in patients with acute myocardial infarction(Japanese Circulation Society, 2006) Ulgen, Mehmet S.; Ozturk, Onder; Yazici, Mehmet; Kayrak, Mehmet; Alan, Sait; Koc, Fatih; Tekes, SelahattinBackground Although there have been several association studies of angiotensin II type 1 receptor (AT1R, A/C1166) gene polymorphism in clinical endpoints such as myocardial infarction (MI), hypertension, aortic stiffness, and left ventricular mass, the relationship between AT1R polymorphism and biventricular function in acute anterior MI has not been studied before. Methods and Results The study group comprised 132 consecutive patients who were admitted to the coronary care unit with their first acute anterior MI. Systolic and diastolic diameters, volumes, inflow properties, ejection fraction and myocardial performance index of both ventricles were measured. AT1R polymorphism was determined using polymerase chain reaction amplification. Based on A/C1166 polymorphism of ATIR, the patients were classified into 3 groups: group 1, A/A (n=91) genotype, group 2 A/C (n=28), and group 3 C/C (n=13) genotype. When the left ventricular and right ventricular echocardiographic functions were compared, all parameters of the 3 groups were found to be similar. No difference was detected in either the genotype distribution or allele frequencies between the patients and the controls for AT1R. Conclusions The results suggest that A/C1166 polymorphism of AT1R did not influence the risk of either acute MI or biventricular function after anterior MI.Öğe A comparison of the effects of aggressive dose and conventional dose atorvastatin applications on IL-6 and NO levels in patients with acute myocardial infarction(Academic Journals, 2011) Basarali, Mustafa Kemal; Buyukbas, Sadik; Yazar, Hayrullah; Kiyici, Aysel; Kayrak, Mehmet; Ulgen, SiddikHigh dose statin medication in acute coronary syndrome cases is a therapy which lowers mortality and morbidity rates. Interleukin-6 (IL-6) is produced in higher amounts in acute myocardial infarction (MI) and facilitates myocardial damage. However, secretion of nitric oxide (NO) is depleted. We aimed to compare the effects of conventional dose (10-40 mg/day) and aggressive dose (80 mg/day) atorvastatin medications on IL-6 and NO levels in patients with primary percutaneous transluminal coronary angioplasty (PTCA) intervention after acute MI. 50 patients (8 females, 42 males) with the diagnosis of acute MI with ST segment elevation enrolled to the study. Primary PTCA intervention was performed on these patients and consequently either conventional dose (10 to 40 mg/day) or aggressive dose (80 mg/day) atorvastatin medications were given to the patients. Three months later, plasma IL-6 and NO levels were determined and alterations in the groups were evaluated. IL-6 levels decreased from 24.34 +/- 12.04 to 11.40 +/- 5.79 pg/ml and from 29.62 +/- 17.38 to 12.51 +/- 8.95 pg/ml in conventional dose and aggressive dose regimens respectively (p<0.001). However, NO concentrations increased from 22.90 +/- 8.24 to 31.70 +/- 7.56 mu M in conventional dose and from 19.37 +/- 5.60 mu M to 34.15 +/- 9.60 mu M in aggressive dose groups (p < 0.001). The effects of aggressive dose atorvastatin medication on IL-6 and NO levels were similar to conventional dose application in cases with ST segment elevation acute MI.Öğe A lethal but treatable complication: Free wall rupture after acute myocardial infarction(TIP ARASTIRMALARI DERNEGI, 2006) Ülgen, Mehmet Sıddık; Öztürk, Önder; Kayrak, Mehmet; Soylu, Ahmet; Düzenli, Mehmet Akif; Koç, FatihA 43-year-old male patient was admitted to coronary intensive care unit with the diagnosis of acute inferolateral myocardial infarction and with a picture of cardiogenic shock. In physical examination, systolic blood pressure was 50 mmHg and diastolic blood pressure could not be taken. The patient was diagnosed with cardiogenic shock and was started on saline, dopamine and dobutamine infusion. His blood pressure did not increase although the dosage of positive inotropic agents was increased. A cardiac tamponade revealed with urgent echocardiographic evaluation and pericardiocentesis was carried out. Blood pressure returned to normal range within hours after pericardiosentesis. Echocardiographic examination performed on the second day of AMI on the asymptomatic patient revealed thrombosed myocardial rupture. The patient was referred to emergency surgery with the diagnosis of three-vessel disease and myocardial rupture according to urgent angiography. In the operation, the ruptured region in the ventricle free wall was primarily repaired. By-pass surgery was performed with saphenous vein graft to the LAD and CV-OM1 coronary arteries.Öğe The relationship between angiotensin-converting enzyme (insertion/deletion) gene polymorphism and left ventricular remodeling in acute myocardial infarction(Lippincott Williams & Wilkins, 2007) Ulgen, Mehmet S.; Ozturk, Onder; Alan, Salt; Kayrak, Mehmet; Turan, Yasar; Tekes, Selehattin; Toprak, NizamettinBackground The development of left ventricular remodeling after acute myocardial infarction is a predictor of heart failure and mortality. The genetic influence on cardiac remodeling in the early period after acute myocardial infarction, is however, unclear. The aim of this study was to investigate the relationship between angiotensin-converting enzyme (ACE) gene polymorphism and left ventricular remodeling in the early period in patients with anterior myocardial infarction. Method The study population consisted of 142 patients with their first attack of acute anterior myocardial infarction. Echocardiographic examinations were performed within 24 h of the first attack (first evaluation) and on the fifth day of acute myocardial infarction (second evaluation). Left ventricular end systolic and diastolic diameters, left ventricular end systolic and diastolic volumes, ejection fraction, mitral flow velocities (E, A, E/A), deceleration time, isovolumic relaxation time and myocardial performance index were calculated. ACE I/D polymorphism was determined using polymerase chain reaction amplification. Results On the basis of polymorphism of the ACE gene, the patients were classified into the three groups: group 1, deletion/deletion (n=59) genotype, group 2 insertion/ deletion (n=69), and group 3 insertion/insertion (n = 14) genotype. When the first and second sets of echocardiographic results of the groups were compared, all parameters were not different among three groups. In group analysis, Left ventricular systolic diameters, left ventricular diastolic diameters, left ventricular end diastolic diameters, left ventricular ejection fraction and myocardial performance index between first and second echocardiographic results were significantly different in deletion/deletion group and only myocardial performance index and left ventricular ejection fraction in insertion/ deletion group (P < 0.05). Conclusions ACE gene polymorphism may influence early cardiac remodeling after acute myocardial infarction. Patients with the deletion/deletion-insertion/deletion genotype may be particularly more sensitive to ACE-1 treatment possibly owing to the more prominent role of the renin-angiotensin system. Coron Artery Dis 18:153-157 (C) 2007 Lippincott Williams & Wilkins.
