• Fatih Altunkas, Fatih Koc, Koksal Ceyhan, Atac Celik, Hasan Kadi, Metin Karayakali, Kerem Ozbek, Turgay Burucu, Ahmet Ozturk, and Orhan Onalan.
• Department of Cardiology, Faculty of Medicine, Gaziosmanpasa University, Tokat, Turkey.
• Med Princ Pract. 2014 Jan 1; 23 (1): 34-9.

ObjectiveTo evaluate left and right ventricular functions using tissue Doppler echocardiography (TDE) and myocardial performance index (MPI) methods in patients with slow coronary flow (SCF) and to determine the relationship between these parameters and thrombolysis in myocardial infarction frame count in SCF patients.Subjects And MethodsThirty-five patients (20 males and 15 females) with SCF who underwent coronary angiography and 35 age- and sex-matched controls (14 males and 21 females) without SCF who underwent elective coronary angiography were enrolled in the study. Left ventricular (LV) and right ventricular (RV) functions were examined using conventional echocardiography and TDE.ResultsLV systolic myocardial velocity (Sm), early myocardial velocity (Em), late myocardial velocity (Am), and Em/Am ratio were similar in both the SCF and control groups; however, isovolumetric relaxation time (IRT) was higher in the SCF group compared to the control group (IRT: 99 ± 17 vs. 88 ± 20; p = 0.01). In patients with SCF, LV MPI was higher than in the control group, but this was not statistically significant (0.61 ± 0.11 vs. 0.56 ± 0.12; p = 0.07). The RV tricuspid annular velocities and MPI were similar in the SCF and control groups.ConclusionThis study showed that SCF affected LV functions echocardiographically and could cause partially reduced LV performance. In addition, SCF did not affect RV functions echocardiographically.© 2013 S. Karger AG, Basel.

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