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Published on: March 18, 2019
A New Surgical Repair Technique for Ischemic Total Papillary Muscle Rupture
Sung Kwang Lee1, Woon Heo1, Ho-Ki Min1
1Department of Thoracic and Cardiovascular Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea.
Abstract:
Papillary muscle (PM) rupture is an emergency surgical condition that may occur after acute myocardial infarction. In patients with compete rupture of the PM, mitral valve replacement is preferred or recommended generally because of unstable vital signs or technical difficulties with successful repair, as compared with patients with partial PM rupture. This case report describes the successful repair of a complete anterolateral PM rupture by using the single PM formation technique with subsequent ring annuloplasty.
Insights
Papillary muscle rupture after myocardial infarction is a surgical emergency. This report details a successful repair of complete anterolateral papillary muscle rupture using a novel single papillary muscle formation technique.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery
- Myocardial Infarction Complications
Background:
- Papillary muscle (PM) rupture is a critical complication following acute myocardial infarction.
- Complete PM rupture often necessitates mitral valve replacement due to hemodynamic instability or repair challenges.
- Partial PM rupture may allow for surgical repair, but complete rupture presents significant therapeutic hurdles.
Purpose of the Study:
- To describe a novel surgical technique for repairing a complete anterolateral papillary muscle rupture.
- To present a case demonstrating the efficacy of the single papillary muscle formation technique in managing this emergency condition.
Main Methods:
- The study reports on a case of complete anterolateral papillary muscle rupture.
- Surgical intervention involved a single papillary muscle formation technique.
- Ring annuloplasty was performed subsequent to the papillary muscle reconstruction.
Main Results:
- The described surgical technique resulted in the successful repair of a complete anterolateral papillary muscle rupture.
- The patient's condition was managed effectively, avoiding mitral valve replacement.
Conclusions:
- The single papillary muscle formation technique offers a viable alternative to mitral valve replacement for complete papillary muscle rupture.
- This innovative approach provides a potential solution for complex cardiac surgical emergencies following myocardial infarction.

