CORRELATION OF KILLIP CLASS AND STROKE VOLUME IN ACUTE MYOCARDIAL INFARCTION

Srinivasan C R; Saravanababu S; Swaminathan N; Justin Paul G; Ravishankar G; Nandakumaran M; Gnanavelu G; Venkatesan S

Volume : VII, Issue : VII, July - 2018

CORRELATION OF KILLIP CLASS AND STROKE VOLUME IN ACUTE MYOCARDIAL INFARCTION

Srinivasan C R, Saravanababu S, Swaminathan N, Justin Paul G, Ravishankar G, Nandakumaran M, Gnanavelu G, Venkatesan S

Abstract :

Aim of the study: To correlate killip class with stroke volume byechocardiography in patients with acute myocardial infarction.Materials & Methods:50 consecutive patients were included in this study. The present study wasconducted on the newly diagnosed cases of acute myocardial infarction visiting emergency of cardiology department Madras medical college & Rajiv Gandhi govt general hospital Chennaiover a period of three months. Patients with prior history of acute myocardial infarction, valvular heart disease, cardiomyopathy, cardiac surgery, congenital heart disease, and patients with co–morbidities like renal failure, chronic liver disease, anemia, gastroenteritis, dehydration and chest diseases were not included in this study. Patients were classified as per killip�s classification and 2D echo was performed on patients within 24hours of admission. Findings of clinical examination (presenting killip class) were correlated with two–dimensional and Doppler echocardiographic findings & stroke volume is calculated.Results: Patients included in thisstudy were grouped into four Killip classes separately. In STElevation MI killip classes were found as: Class 1 (50%), Class II (24%), Class III (20%), and Class IV (6%). For all patients stroke volume was calculated by using LVOT diameter & LVOT VTI parameter. The calculated stroke volume (in ml) was directly correlated with killip class. Statistical analysis was done by using Pearson Chi–square test and the p value was found to be less than 0.05 which was statistically significant.Patients with higher the killip class was found to have lower the stroke volume. Conclusion: Echocardiographic left ventricular stroke volume obtained after an acute myocardial infarction is an affordable and readily available technique, which provides important prognostic information regarding patient�s clinical outcome along with prognosis. From our study, we conclude that Echocardiographic findings are correlated with Killip Class. Patients with higher Killip Class have lower stroke volume and increased complications.