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Left ventricular wall mechanics in hypertension - an echocardiographic study

Authors:A . Christy
Int J Biol Med Res. 2012; 3(1): 1267-1272  |  PDF File

Abstract

The present study defines relationship between the extent of left ventricular hypertrophy and left ventricular systolic performance in hypertensive patients. Fractional fibre shortening was used as determinant of systolic performance in left ventricular hyertrophy. End systolic wall stress, obtained using the systolic cuff blood pressure combined with M-mode study as an index of left ventricular hypertrophy. The study was conducted on 66 subjects of both sexes, age group ranging from 40 to 60 years in hypertensive patients at Kilpauk Medical College. The standard t-test was used for comparative analysis. Ejection fraction (EF%) is normal and even above the control group, but end systolic stress is significantly higher in hypertensive group. Fractional Fiber shortening (FFS%) in group with hypertension was significantly less than the control group. M-mode echocardiography remains relatively inexpensive diagnostic tool in assessing the myocardial performance in hypertensive patients for prevention of onset of target organ damage.