Abstract
Objective: To evaluate the safety, short- and mid-term outcomes of percutaneous balloon mitral valvuloplasty (PBMV) guided by the ultrasound. Methods: In this retrospective study, medical data of 15 patients [9 males and 6 females, with an age of (53±13) years] with PBMV under the guidance of ultrasound in Heart Center of Henan Provincial People's Hospital between December 2016 and January 2019 were collected and reviewed. The short-and mid-term outcomes were analyzed. Results: PBMV was successfully performed in all the patients. One patient underwent surgical valve replacement due to severe mitral regurgitation, and the other 14 patients were all followed up successfully. The average follow-up time was (13.8±4.6) months. Comparisons of preoperative and postoperative data showed significant differences in valve area [(1.84±0.43) cm2 vs (0.89±0.24) cm2], left atrial pressure [(11.9±4.5) mmHg (1 mmHg=0.133 kPa) vs (21.9±6.0) mmHg] and mean mitral valve pressure gradient [(10.9±3.2) mmHg vs (20.1±3.6) mmHg](all P<0.01), with no significant differences in mitral regurgitation area (P=0.67). Postoperative follow-up showed that there were no significant differences in mitral valve area, regurgitation area and N-terminal pro-B-type natriuretic peptide (NT-proBNP) between short-and mid-term postoperatively (all P>0.05). There was no secondary operation due to mitral stenosis in 14 patients, and 3 patients with moderate or severe tricuspid regurgitation showed significant improvement, with gradually recovered cardiac function, and there were no deaths in these patients. Conclusion: PBMV guided by the ultrasound is feasible and effective, and exhibits favorable short-and mid-term outcomes.
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