SONOGRAPHIC EVALUATION OF SEVERITY OF NATIVE MITRAL VALVULAR REGURGITATION AMONG HEART FAILURE PATIENTS
Nisreen Haj, Alsafi Balla, Mohamed Yousif, Babiker Awadalla and Ahmed Abukonna*
ABSTRACT
Mitral regurgitation (MR) may develop in patients with heart failure without organic mitral valve disease and contribute to worsening symptoms and survival. It has long been recognized as an important cause of morbidity and mortality. The objective of this study was to evaluate the anatomy of mitral valve and the blood flow in the mitral valve in patient with heart failure. 180 patients (26 female and 118 male) with heart failure sign were enrolled. Their ages ranged between (20 – 85) years. The study was conducted at Khartoum state in Echocardiography department of Omdurman military hospital and modern medical center in the period from November 2015 to September 2017. Two-dimensional and M-mode, echocardiograms were recorded using ultrasound machine HDI 4000 scanner (Philips Medical Systems) equipped with a commercially available 8-13 MHz linear transducer with color and power Doppler capability. The result of the study showed that MR was severe in 23 (12.8%), moderate in 29 (16.1%), mild in 69 (38.3%), trivial in 25 (13.9%), and absent in 28 (15.6%). The remaining was mitral stenosis. In addition, the severity of MR correlated with the severity of systolic dysfunction. Ejection fraction (EF) reduced with the severity of the MR. small color flow jets are seen in roughly 38% of study sample and therefore large color flow jets are seen in roughly 12.8% of study sample. The incidence of mild regurgitation tends to increase with age. Regurgitation may present a challenge for most diagnostic techniques because of the dynamic nature of lesion and its dependence on various hemodynamic and physiologic conditions. For all valvular regurgitation, an integrative approach of 2D and Doppler parameters is recommended to achieve an accurate evaluation of the severity of the lesion and its clinical significance.
Keywords: Echocardiography, MR, LVSD, EF.
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