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Updated: Aug 12, 2026

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Published on: October 16, 2021
Mitral Annuloplasty Sizing: Engineering Design Basis for a Scientific Clinical Approach
1Division of Cardiac Surgery, Department of Surgery, NorthShore University Hospital System, Chicago, IL, USA. ndobrilovic@northshore.org.
A new paired-ring sizing technique offers objective measurements for mitral valve repair, improving upon traditional estimation methods. This innovation aims to provide precise coaptation length control for annuloplasty procedures.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Surgical Devices
Background:
- Annuloplasty ring sizing for mitral valve repair has relied on subjective estimations for over 50 years.
- Current commercial sizers lack objective measurement capabilities, leading to potential inaccuracies in surgical outcomes.
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