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Updated: Jul 25, 2026

Pseudofracture: An Acute Peripheral Tissue Trauma Model
Published on: April 18, 2011
Traumatic papillary muscle rupture
T A Simmers1, H W Meijburg, A B de la Rivière
1Department of Cardiology, University Medical Center, Utrecht, The Netherlands. h.l.i.lon@hli.azu.nl
Blunt chest trauma can rarely cause papillary muscle rupture, leading to mitral incompetence. This study reviews surgically corrected cases of posttraumatic mitral regurgitation, focusing on anterolateral papillary muscle rupture.
Area of Science:
- Cardiology
- Trauma Surgery
Background:
- Papillary muscle rupture is a rare complication of blunt chest trauma.
- Mitral incompetence can result from this rupture, impacting cardiac function.
Observation:
- This report details surgically corrected cases of posttraumatic mitral regurgitation.
- Only 25 such cases have been documented globally.
Findings:
- Eight of the reported cases specifically involved rupture of the anterolateral papillary muscle.
- This highlights a specific, less common, yet significant injury pattern.
Implications:
- Understanding these rare injuries is crucial for accurate diagnosis and surgical planning.
- Further research may elucidate optimal management strategies for traumatic mitral regurgitation.
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