TO EVALUATE RIGHT VENTRICULAR FUNCTION ON CARDIAC DOPPLER ECHOCARDIOGRAPHY IN PATIENTS WITH CHRONIC MITRAL REGURGITATION BEFORE AND AFTER VALVE REPLACEMENT OR MITRAL VALVE REPAIR

Nguyễn Đoàn Trung1,, Nguyễn Thị Thu Hoài1, Nguyễn Thị Bạch Yến1
1 Vietnam National Heart Institute, Bach Mai Hospital

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Abstract

Objective: To evaluate right ventricular function on cardiac Doppler echocardiography in patients with chronic mitral regurgitation before and after valve replacement or mitral valve repair at the Vietnam Heart Institute. Methods: Our study was carried out on 38 patients with true mitral regurgitation with indications for surgery according to the recommendations for management of mitral regurgitation (according to AHA/ACC 2017 or the Vietnam Heart Association if required). yes), the patients were operated on at the Cardiology Institute surgical unit. All patients were collected data on clinical characteristics, subclinical and coronary intervention results, echocardiographic results to evaluate research parameters. Results: Preoperative right ventricular atrophy index (0.42 ± 0.05) and preoperative right ventricular atrophy index (0.52 ± 0.04) showed a significant difference compared with the postoperative index (0.36 ± 0.02 and 0.44 ± 0.04). About right ventricular systolic function: Tricuspid annulus velocity before and after surgery was statistically significant (17.45 ± 0.98 and 20.38 ± 3.48). The S' wave velocity on the tissue Doppler of the study subjects had an increased mean value after surgery compared to before surgery (8.86 ± 0.55 and 11.4 ± 3.14). Right ventricular area index (FAC) of the study subjects increased after surgery (35.45 ± 1.48 and 39.86 ± 5.02). Conclusion: In patients with chronic mitral regurgitation, the right ventricular function after surgery has improved compared to before surgery.

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References

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