Abstract

Purpose: Echocardiography has become a useful method for assessing structural diseases of the heart. MAPSE and TDI S’ have also been shown to be reproducible assessments of longitudinal heart changes as LVEF is ineffective in cases of sub-optimal echocardiographic imagery caused by artefacts or air trapping.
 Methodology: One hundred patients referred for echocardiography at the cardiac laboratory of DELSUTH, Oghara, Nigeria was recruited for the study. All patients had trans-thoracic echocardiography done with M-Mode, 2D and Spectral Doppler and Tissue Doppler echocardiographic images acquired. Data obtained was analyzed using IBM-SPSS version 22. A p-value of ≤0.05 was considered significant for all comparisons.
 Findings: Hypertension was the commonest indication for an echocardiogram. The prevalence of abnormal left ventricular function was 13%, 24% and 28% as determined using LVEF, TDI S’ and MAPSE. MAPSE had a higher specificity than TDI S’ with statistically significant correlations found between TDI S’ (p<0.001); MAPSE (p=0.032) and LVEF. Multiple linear and binomial logistic regression analysis showed significant relationships (beta=0.423; p <0.001) and odd ratios [OR(CI) = 10.80(2.56- 49.07)] respectively between TDI S’ and LVEF.
 Unique Contribution to Theory, Policy and Practice: MAPSE’s specificity allows for diagnosis of longitudinal heart functional changes even in cases where the LVEF may be within normal limits. A combination of both MAPSE and TDI S’ offer a greater prognostic significance. The correlation between MAPSE and TDI S’ were good. Thus, MAPSE and TDI S’ can serve as surrogates for LVEF in assessing left ventricular systolic function and prognosticating cardiac disease

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