Halil Kisacik

Yüksek İhtisas Hastanesi, Ankara, Engüri, Ankara, Turkey

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Publications (56)147.01 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: Recent studies have suggested ABO blood type locus as an inherited predictor of thrombosis, cardiovascular risk factors, myocardial infarction. However, data is scarce about the impact of non-O blood groups on prognosis in patients with ST-elevation myocardial infarction (STEMI). Therefore, we aimed to evaluate the prognostic importance of non-O blood groups in patients with STEMI undergoing primary percutaneous coronary intervention (pPCI) METHODS: 1835 consecutive patients who were admitted with acute STEMI between 2010 and 2015 were included and followed-up for a median of 35.6months. The prevalence of hyperlipidemia, total cholesterol, LDL, peak CKMB and no-reflow as well as hospitalization duration were higher in patients with non-O blood groups. Gensini score did not differ between groups. During the in-hospital and long-term follow-up period, MACE, the prevalence of stent thrombosis, non-fatal MI, and mortality were higher in non-O blood groups. In multivariate logistic regression analysis, non-0 blood groups were demonstrated to be independent predictors of in-hospital (OR:2.085 %CI: 1.328-3.274 p=0.001) and long term MACE (OR:2.257 %CI: 1.325-3.759 p<0.001). Kaplan-Meier analysis according to the long-term MACE free survival revealed a higher occurrence of MACE in non-O blood group compared with O blood group (p<0.001, Chi-square: 22.810). Non-O blood groups were determined to be significant prognostic indicators of short- and long-term cardiovascular adverse events and mortality in patients with STEMI undergoing pPCI. In conjunction with other prognostic factors, evaluation of this parameter may improve the risk categorization and tailoring the individual therapy and follow-up in STEMI patient population. Copyright © 2015 Elsevier Ltd. All rights reserved.
    Thrombosis Research 07/2015; 136(3). DOI:10.1016/j.thromres.2015.07.031 · 2.45 Impact Factor
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    ABSTRACT: We assessed the prognostic value of the platelet to lymphocyte ratio (PLR) on in-hospital and long-term major adverse cardiovascular events (MACEs) in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (pPCI) in a large prospective study. Patients (n = 1938) admitted with acute STEMI within 12 hours of symptom onset and who underwent pPCI between January 2010 and January 2015 were followed up for 31.6 ± 16.2 months. During the in-hospital and long-term follow-up period, MACE, the prevalence of stent thrombosis, nonfatal myocardial infarction, and mortality were higher in the third PLR tertile group. A PLR in the third tertile had 2.4-fold increased risk of in-hospital MACE and 2.8-fold risk of long-term MACE. The PLR was significantly and positively correlated with peak creatine kinase MB (CK-MB) levels (r = 0.562, P < .001) and Gensini score (r = 0.408, P < .001). Kaplan-Meier analysis of long-term MACE-free survival revealed a higher occurrence of MACE in the third PLR tertile group compared to the other tertiles. In conclusion, the PLR may be a marker of inflammatory and prothrombotic status and predicted in-hospital and long-term MACE in a population with STEMI. © The Author(s) 2015.
    Angiology 06/2015; DOI:10.1177/0003319715591751 · 2.97 Impact Factor
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    Fatih Ucar · Ozcan Ozeke · Ilker Duman · Ugur Canpolat · Halil Kisacik
    International Journal of Angiology 01/2015; DOI:10.1055/s-0034-1396930
  • International Journal of Cardiology 12/2014; 182C:235-236. DOI:10.1016/j.ijcard.2014.12.125 · 4.04 Impact Factor
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    ABSTRACT: Objectives: This study aims to evaluate left and right ventricular functions at rest by pulsed-wave Doppler and tissue Doppler echocardiography methods in patients with Behçet’s disease (BD) without overt cardiovascular disease, and compare with age and sex matched subjects. Patients and methods: Fifty-four patients with BD (12 males, 42 females; mean age 35±8 years; range 18 to 51 years) without cardiovascular symptoms, and 36 age-matched controls (12 males, 24 females; mean age 33±5 years; range 18 to 47 years) were included. Cardiac functions were evaluated by conventional and tissue Doppler echocardiography. Results: Although conventional indices of left ventricular systolic function were similar in both groups, mitral annular systolic velocity was lower (p<0.001) and myocardial performance index was higher (p<0.001) in patients with BD compared to the controls. As an early diagnostic marker of contractile dysfunction, intra- and interventricular dyssynchrony were more common in patients with BD. In addition, mitral E/A ratio of <1 was more common (p<0.001), isovolumic relaxation time (p=0.032) and mitral deceleration time (p=0.037) were longer in patients with BD compared to the control group. All Doppler parameters of right ventricular function were impaired in patients with BD. Atrial septal aneurysm was more frequent in patients with BD than controls (p=0.007). Conclusion: Right ventricular and left ventricular function is impaired in patients with BD. Clinically silent cardiovascular involvement can be detected early by tissue Doppler echocardiography even in asymptomatic patients with BD.
    Turkish journal of rheumatology 12/2014; 30(2). DOI:10.5606/ArchRheumatol.2015.5019 · 0.23 Impact Factor
  • ESC Congress 2014, Barcelona, Spain, 30 Aug 2014-03 Sep 2014.; 08/2014
  • O Ozeke · E Celik · E Grbovic · A Colak · P Dogan · O Tufekcioglu · Z Golbasi · H L Kisacik
    Herz 10/2013; 40(1). DOI:10.1007/s00059-013-3971-3 · 0.69 Impact Factor
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    ABSTRACT: A significant number of patients may not benefit from conventional techniques of myocardial revascularization due to diffuse coronary artery disease (CAD) or small coronary arterial sizes because of smaller arteries causing anastomotic technical difficulties and poor run-off. Diabetic patients have a more severe and diffuse coronary atherosclerosis with smaller coronary arteries limiting the possibility to perform a successful and complete revascularization, but this has not been examined in prediabetics. To evaluate whether there is an association between prediabetes and the coronary arterial size. We prospectively studied 168 consecutive patients with CAD and 172 patients with normal coronary artery anatomy (NCA). Patients were divided into three groups according to hemoglobin (Hb) A1c levels as "normal," "prediabetic," and "diabetic" groups, and the coronary artery sizes and Gensini scores were analyzed. There were 78 female patients and 90 male patients in the CAD group, and 87 female patients and 85 male patients in the NCA group. There was a statistically significant difference in distal and proximal total coronary arterial size among the CAD and NCA groups for both genders. There was a positive correlation between the HbA1c subgroups and Gensini score (Spearman's ρ: 0.489, p<0.001 in female group; Spearman's ρ: 0.252 p=0.016 in male group). We found that prediabetic patients have a smaller coronary size and diffuse coronary narrowing for both genders, particularly in distal coronary arterial tree of left anterior descending coronary artery. The early detection of prediabetes in daily cardiology practice may provide more appropriate coronary lesion for percutaneous or surgical revascularization.
    Journal of Cardiology 09/2013; 63(1). DOI:10.1016/j.jjcc.2013.06.015 · 2.78 Impact Factor
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    ABSTRACT: Background: In this study, a novel echocardiographic parameter in the evaluation of the presence of coronary artery disease (CAD) and aortic stiffness, aortic propagation velocity, was measured and compared with other conventional aortic stiffness parameters such as aortic strain and aortic distensibility. Also, the relation between aortic propagation velocity and carotid intima media thickness was evaluated. Method and results: A total of 51 patients with CAD and 42 patients with normal coronary arteries as a non-CAD group were included in the study. Aortic propagation velocity was significantly lower in the CAD group (p<0.001). A statistically significant relation was detected between aortic propagation velocity and the maximum, mean, and overall carotid intima media thickness values for right and left carotid arteries (p<0.001). There was a statistically significant relation between aortic propagation velocity, aortic strain, and aortic distensibility (r=0.556, p<0.001 and r=0.483, p<0.001 respectively). Conclusion: Aortic propagation velocity is a novel and simple echocardiographic parameter of aortic stiffness which is feasible for non invasive cardiovascular risk stratification and selection of high risk individuals for CAD.
    Journal of Cardiology 06/2013; 62(3-4). DOI:10.1016/j.jjcc.2013.04.006 · 2.78 Impact Factor
  • Esra Gucuk Ipek · Umit Guray · Yesim Guray · Halil Kisacik
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    ABSTRACT: Adiponectin, an adipose tissue derived cytokine, is known to have antiatherogenic and anti-inflammatory effects on endothelial cells and macrophages. Calcific aortic valve disease has a similar physiopathology to atherosclerosis. To investigate the relationship between adiponectin and calcific aortic valve disease. The study group consisted of 58 patients with calcific aortic stenosis and 24 healthy controls. Aortic stenosis patients were divided into three groups according to their valvular areas: mild (n = 11), moderate (n = 25), and severe (n = 22). Serum adiponectin levels and other biochemical parameters were measured. The aortic stenosis and control group were similar in terms of age, gender and cardiovascular risk factors. Adiponectin median values did not differ significantly between two groups (2.19 μg/mL [1.43-3.18], 1.79 μg/mL [1.34-3.42] aortic stenosis and control group, respectively; p = 0.7). Aortic stenosis patients were divided into three groups according to their valvular area as mild, moderate and severe. There were no differences when we compared adiponectin levels among those groups (mild: 2.10 μg/mL [1.47-3.31], moderate: 2.13 μg/mL [1.44-2.91], severe: 2.65 μg/mL [1.28-3.43]; p = 0.67). Age (r = 0.26, p = 0.045) and aspartate aminotransferase (r = 0.28, p = 0.04) had positive correlations with adiponectin; while white blood cell count (r = -0.32, p = 0.015), fasting blood glucose (r = -0.29, p = 0.03), haemoglobin (r = -0.27, p = 0.04) and triglyceride levels (r = -0.41, p = 0.002) had negative correlations. In our study, we did not find a relationship between adiponectin levels and calcific aortic valve disease.
    Kardiologia polska 04/2013; 71(3):241-6. DOI:10.5603/KP.2013.0035 · 0.54 Impact Factor
  • B Demirkan · Y Guray · U Guray · M.R. Ege · H.L. Kisacik · H Sasmaz · S Korkmaz
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    ABSTRACT: Background and aim of the study: The predisposition to atrial fibrillation (AF) in mitral stenosis (MS) has been demonstrated with several electrocardiographic (increased P-wave dispersion) and echocardiographic parameters (atrial electromechanical delay). Despite the improvement in P-wave dispersion after percutaneous mitral balloon valvuloplasty (PMBV), the changes in echocardiographic parameters related to AF risk are unknown. In this study we aimed to investigate the acute effect of PMBV on atrial electromechanical delay (EMD) assessed by tissue Doppler echocardiography in addition to electrocardiographic parameters. Materials and methods: This single-center study consisted of 30 patients with moderate or severe MS (23 females and seven males, aged 36.5 ± 8.5 years, with a mean MVA of 1.1 ± 0.2 cm) who underwent successful PMBV without complication at our clinic and 20 healthy volunteers from hospital staff as a control group (16 females and four males, aged 35.4 ± 6 years). We compared the two groups in regard to clinical, electrocardiographic and echocardiographic features. The patients with MS were also evaluated after PMBV within 72 h of the procedure. The P-wave dispersion was calculated from12-lead ECG. Interatrial and intra-atrial EMDs were measured by tissue Doppler echocardiography. These ECG and echocardiographic parameters after PMBV were compared with previous values. Results: The maximum P-wave duration (138 ± 15 vs. 101 ± 6 ms, p < 0.01), PWD (58 ± 18 vs 23 ± 4, p < 0.01), the interatrial (55 ± 16 vs 36 ± 11 ms, p < 0.01) and left-sided intra-atrial EMD (40 ± 11 vs 24 ± 12 ms, p < 0.01) were higher in patients with MS than in healthy subjects. The left atrial (LA) diameter, LA volume and LA volume index had positive association with the interatrial (r = 0.5, p < 0.01; r = 0.5, p < 0.01 and r = 0.5, p < 0.01, respectively) and left-sided intra-atrial EMD (r = 0.5, p < 0.01; r = 0.4, p < 0.01; r = 0.4, p < 0.01 respectively). After PMBV, the interatrial (55 ± 16 vs. 40 ± 11 ms, p < 0.01) and left-sided intra-atrial EMD (40 ± 11 vs 31 ± 10, p < 0.01) showed significant improvement compared to previous values. There was also a statistically significant difference in maximum P-wave duration and PWD between pre-and post-PMBV (138 ± 15 vs 130 ± 14, p < 0.01, and 58 ± 18 vs 49 ± 16, p < 0.01, respectively). Conclusions: Our study shows that PMBV has a favorable effect on the electrocardiographic and echocardiographic parameters related with AF risk in patients with MS.
    Herz 09/2012; 38(2). DOI:10.1007/s00059-012-3672-3 · 0.69 Impact Factor
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    ABSTRACT: Collaterals, which develop in response to ischemic stimuli derived from coronary artery disease (CAD), contribute to reduction of infarct size, left ventricular dysfunction, and mortality. However, there is considerable variation among patients with coronary heart disease regarding the extent of coronary collateral development (CCD). In this study, we aimed to investigate the association of the degree of platelet activation via mean platelet volume (MPV) with coronary collateral circulation. Therefore, 210 patients who underwent coronary angiography and had coronary stenosis ≥50 % in at least one coronary artery were included in the study. Clinical information and analyses of blood samples were obtained from a review of the patients' chart. Blood samples for MPV were analyzed by K3 EDTA and collateral vessels were graded according to the Rentrop classification. In the study group, 150 of the 210 patients were found to have inadequate CCD. Although there was no difference between the two groups with regard to platelet count, MPV levels were significantly higher in the patients who had inadequate CCD (11.3 ± 1.0 fl vs. 9.5 ± 1.5 fl, p < 0.001). Furthermore, the Gensini score was significantly lower in patients who had inadequate CCD (45 ± 46 vs. 91 ± 35, p < 0.001). MPV, Gensini score, age, female gender, total cholesterol, red cell distribution width, triglyceride, and fasting glucose levels were found to have univariate association with poor CCD. In multivariate logistic regression model, MPV (OR = 2.45, p < 0.001) and Gensini score (OR = 0.98, p < 0.001) were found to be the independent predictors of impaired CCD. In receiver operator characteristic curve analysis, optimal cut-off value of MPV to predict inadequate CCD was found as >9.6 fl, with 96% sensitivity and 84.7% positive predictive value. In conclusion, we can say that MPV is an important, simple, effortless, and cost effective tool and can be useful in predicting the CCD in patients with significant CAD.
    Platelets 05/2012; 24(3). DOI:10.3109/09537104.2012.675107 · 2.98 Impact Factor
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    ABSTRACT: Due to an increasing number of cardiac device implantations, the number of leads that need to be extracted because of infection or lead failure is consistently rising. We present our experience in percutaneous lead removal in a single tertiary center. From December 2009 to August 2010, 12 patients underwent percutaneous lead extraction procedure by the Evolution™ mechanical dilator sheath (Cook Medical Inc., Bloomington, IN, USA) system after failure of manual traction and a locking stylet. Ages of the patients ranged between 7 and 86 years (mean age was 58 ± 12 years). Mean implantation time was 73 months (range between 12 and 244 months). Ten patients had one lead; only two patients had two leads. Indications for lead removal were: lead endocarditis in five patients, local (pocket) infection in four patients, and lead failure in three patients. All leads were successfully removed by using the device, except one lead which was one of the two leads in a patient with dual chamber pacemaker implanted 10 years ago. In three patients, same venous accesses (sheath of extraction system) were used to implant a new lead after removal of damaged leads without a new venous puncture. In only one patient, significant hematoma was found after the intervention and treated conservatively. No other significant complications were encountered in any patients. Damaged or infected leads can safely and relatively easily be extracted by using this new percutaneous extraction technique.
    Pacing and Clinical Electrophysiology 02/2012; 35(5):514-8. DOI:10.1111/j.1540-8159.2012.03329.x · 1.13 Impact Factor
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    ABSTRACT: Epicardial adipose tissue (EAT) is related to the presence of coronary artery disease (CAD). Increased γ-glutamyltransferase (GGT) activity is associated with atherosclerosis. We assessed the relationship between EAT and serum GGT activity in addition to cardiovascular risk factors in patients with stable anginal symptoms. Consecutive patients (n = 120) who underwent coronary angiography were included. Epicardial adipose tissue thickness was measured by echocardiography. Serum GGT activity was measured by enzymatic colorimetric assay. Epicardial adipose tissue thickness and serum GGT activity were higher in patients with CAD (n = 83). Patients with metabolic syndrome (n = 83) were found to have higher EAT thickness. Serum GGT activity was independently associated with EAT values. In conclusion, echocardiographic EAT was significantly higher in patients with CAD and serum GGT activity correlated with EAT thickness.
    Angiology 01/2012; 64(1). DOI:10.1177/0003319711433197 · 2.97 Impact Factor
  • K. Baser · F. Ozcan · S. Topaloglu · D. Aras · H. Kisacik
    International Journal of Cardiology 03/2011; 147:S173. DOI:10.1016/S0167-5273(11)70476-4 · 4.04 Impact Factor
  • T. Aksu · B. Uygur · N. Arat · H. Kisacik
    Atherosclerosis Supplements 06/2010; 11(2):201-201. DOI:10.1016/S1567-5688(10)70955-7 · 2.29 Impact Factor
  • International Journal of Cardiology 04/2010; 140. DOI:10.1016/S0167-5273(10)70022-X · 4.04 Impact Factor
  • International Journal of Cardiology 04/2010; 140. DOI:10.1016/S0167-5273(10)70051-6 · 4.04 Impact Factor
  • International Journal of Cardiology 04/2010; 140. DOI:10.1016/S0167-5273(10)70111-X · 4.04 Impact Factor
  • International Journal of Cardiology 04/2010; 140. DOI:10.1016/S0167-5273(10)70260-6 · 4.04 Impact Factor

Publication Stats

467 Citations
147.01 Total Impact Points


  • 1997–2010
    • Yüksek İhtisas Hastanesi, Ankara
      • Department of Cardiovascular Surgery
      Engüri, Ankara, Turkey
  • 2007
    • Cumhuriyet University
      • Department of Cardiology
      Megalopolis, Sivas, Turkey
  • 1996
    • Ankara University
      • Department of Nuclear Medicine
      Engüri, Ankara, Turkey