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Int J Cardiol. 2016 Feb 1;204:23-8. doi: 10.1016/j.ijcard.2015.11.131. Epub 2015 Nov 23.

Transapical off-pump mitral valve repair with Neochord implantation: Early clinical results.

Author information

1
Cardiac Surgery Unit, Department of Cardiac, Thoracic, and Vascular Sciences, University of Padua, Italy. Electronic address: colli.andrea.bcn@gmail.com.
2
Cardiac Surgery Unit, Department of Cardiac, Thoracic, and Vascular Sciences, University of Padua, Italy.
3
Institute of Anesthesia, Department of Medicine, University of Padua, Italy.

Abstract

BACKGROUND:

This prospective study aims to assess early clinical outcomes in patients undergoing Transapical Off-Pump Mitral Valve Intervention with Neochord Implantation (TOP-MINI).

METHODS AND RESULTS:

Forty-nine patients with severe symptomatic degenerative mitral regurgitation (MR) were treated. Median age was 72 years (IQR 58-78) and median Euroscore-I was 3.26% (IQR 0.88-8.15). Forty-four patients (89.8%) presented with posterior leaflet prolapse (LP), 4 (8.2%) with anterior LP and 1 (2%) with combined disease. Acute procedure success (defined as successful placement of at least 3 neochords with reduction of residual MR to less than 2+) was achieved in all patients. In-hospital mortality was 2%. At 30 days major adverse events included one AMI (2%) successfully treated percutaneously and one sepsis (2%), no stroke or bleeding events occurred. At 3 months overall survival was 98%. MR was absent in 16 patients (33.4%), was grade 1+ in 15 (31.2%), and was grade 2+ in 12 (25%). Five patients (10.4%) developed recurrent severe MR due to anterior native chordae rupture. Four of them were successfully re-operated. At 3 months follow-up freedom from reoperation was 91.7 ± 4%.

CONCLUSIONS:

Early results with Neochord procedure indicate that TOP-MINI is feasible and safe. Efficacy is maintained up to 3 months follow-up with significant clinical benefit for the patients.

KEYWORDS:

Mitral valve regurgitation; Mitral valve repair; Off-pump; Transapical

PMID:
26655529
DOI:
10.1016/j.ijcard.2015.11.131
[Indexed for MEDLINE]

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