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A Journal on Heart and Vascular Diseases

Official Journal of the Italian Society of Angiology and Vascular Pathology
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,752

Frequency: Bi-Monthly

ISSN 0026-4725

Online ISSN 1827-1618


Minerva Cardioangiologica 2014 June;62(3):243-9


Improvement in aortic valve area using a new “hour glass” shaped valvuloplasty balloon compared with standard cylindrical balloons in severe aortic stenosis patients

Pedersen W. R. 1, Mooney M. R. 1, Ungs D. 1, Pedersen C. 2, Sorajja P. 1, Poulose A. K. 1, Stark R. P. 3, Murad B. 4, Garberich R. F. 1, Goldenberg E. 5, Schwartz R. S. 1

1 Minneapolis Heart Institute Foundation at Abbott Northwestern Hospital, Minneapolis, MN, USA;
2 Creighton University School of Medicine, Omaha, NE, USA;
3 Metropolitan Heart and Vascular Institute, Coon Rapids, MN, USA;
4 United Heart and Vascular Clinic, St. Paul, MN, USA;
5 Twin Cities Heart Foundation, Minneapolis, MN, USA

AIM: Balloon aortic valvuloplasty (BAV) has reemerged with transcatheter valve therapy. Cylindrical balloons have been the device of choice despite limitations. An hour glass shaped balloon may permit enhanced fixation and broader leaflet opening without annular compromise.
METHODS: We report our initial BAV experience using the V8 balloon (InterValve Inc.) in 20 consecutive patients compared to 20 patients from a 403-patient BAV database using cylindrical balloons. Patients were propensity matched on a 1:1 basis by age, gender, left ventricular ejection fraction (LVEF), baseline aortic valve area (AVA) and Society of Thoracic Surgery (STS) mortality risk score. End points included change in AVA and aortic insufficiency (AI) by echocardiography. New atrioventricular conduction defects (AVCD), need for post procedure pacemaker were documented. Major adverse events (MAE) included procedure related death, emergency surgery or stroke.
RESULTS: V8 and cylindrical balloon groups were similar across age, gender, LVEF, AVA and STS score. The change in AVA from baseline to post-procedure strongly trended towards being larger in the V8 group than cylindrical balloon group (mean [SD]; 0.30±0.23 cm2 vs. 0.17±0.21 cm2; P=0.063). There were no differences in outcomes for degree of AI, AVCD, need for pacemaker or MAE.
CONCLUSION: Preliminary findings in this small experience suggest an advantage for enhancing AVA when using the V8 compared with cylindrical balloons. Additionally, there was no evidence of increased AI, AVCD or MAE.

language: English


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