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Turkish Journal of Medical Sciences

Radioisotopic Evaluation of the Effect of Short Term Perindopril Therapy on Left Ventricular Function in Patients with Congestive Heart Failure

DOI

-

Abstract

The aim of this study was to investigate the short term effect of perindopril which is an angiotensin-converting enzyme inhibitor on left ventricular function in patients with congestive heart failure (CHF). A total of 15 patients with CHF (New York Heart Association class 2-3) (range: 36-68 yrs; mean age: 52.3±4.2 yrs) were examined using radionuclide ventriculography (RNV) and echocardiography (EC). After a baseline RNV and EC were performed, the patients were treated with 6 mg (3x2 mg) perindopril orally per day. EC and RNV were repeated eight to twelve weeks after the onset of the therapy. The calculated mean left ventricular diastolic and systolic function values on RNV before and after treatment were: Ejection fraction (%) 35.14 ± 1.54 to 36.5 ± 1.86, Peak filling rate (EDV/sec) 1.44 ± 0.16 to 1.84 ± 0.18, Time to peak filling (msec) 330 ± 7.1 to 280 ± 18, Peak emptying rate (ESV/sec) 1.707 ± 0.071 to 1.77 ± 0.13, Time to peak emptying (msec) 280 ± 7 to 260 ± 5. The ejection fraction values measured on EC were: 31.57 ± 2.21 : to 32.45 ± 2.64 %. There was not a significant difference between the pre-and post-treatment ejection fraction values with both methods (p>0.05). The peak filling and emptying parameters measured on RNV before and after treatment were also not significantly different (P>0.05). ln conclusion, both RNV and EC demonstrated that there was no improvement in left ventricular ejection fraction after a short term perindopril treatment. The systolic and diastolic parameters calculated by RNV confirmed the absence of left ventricular function improvement.

Keywords

Perindopril, congestive heart failure, radionuclide ventriculography.

First Page

135

Last Page

138

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