Feasibility and efficacy of percutaneous closure of paravalvuar leak in patients after heart valve replacement surgery using Amplatzer vascular plug â
2019
Objective
To investigate the feasibility and efficacy of percutaneous closure of paravalvuar leak (PVL) in patients after heart valve replacement surgery using Amplatzer vascular plug Ⅲ (AVP Ⅲ).
Methods
In this retrospective study, consecutive PVL patients after heart valve replacement surgery receiving percutaneous closure with AVP Ⅲ in Beijing Anzhen hospital between March 2017 and October 2018 (n=21) were enrolled.The preoperative and intraoperative data and short-and mid-term outcome results were analyzed.
Results
Theage of patients in this cohort was (54.9±11.7) years, and there were 12 (57.1%) male patients. There were 8 patients (38.1%) post mitral valve replacement, 4 patients (19.0%) post aortic valve replacement and 9 patients (42.9%) post double valves replacements.There were 14 cases (66.7%) of mitral valve PVL,6 cases (28.6%) of aortic valve PVL, and 1 case (4.8%) of double valves PVL.Successful device deployment was accomplished in 18 defects from 17 PVL patients. Technical successful rate of mitral valve PVL closure and aortic valve PVL closure was 12/15 and 6/7,respectively. One patient received surgical repair due to procedure-induced femoral pseudoaneurysm.There were 17 cases of severe PVL and 1 case of moderate PVL before procedure, and there were 2 cases of moderate PVL, 6 cases mild PVL, and PVL disappeared in 10 cases after procedure (P<0.01 vs. pre-procedure). The follow-up time was (8.3±4.7) months. There were 10 cases (58.8%) of New York Heart Association (NYHA) function grade Ⅲ and 7 cases (41.2%) of NYHA function grade Ⅳ before procedure, and there were 12 cases of NYHA function grade Ⅰ(70.6%) and 5 cases (29.4%) of NYHA function grade Ⅱ post procedure (P<0.01). Post procedure, there was no displacement of the occluder and heart valve movement was not affected,and there was no new hemolysis or hemolysis worsening.
Conclusion
Percutaneous closure of PVL in patients after heart valve replacement surgery with AVP Ⅲ is feasible, and associated with favorable short-and mid-term clinical outcomes.
Key words:
Heart valve diseases; Paravalvular leak; Vascular plug
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