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Updated: Jun 20, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Left atrial thrombus formation immediately after mitral valve replacement: a case report
Devesh Dutta1, Himanshu Pratap, Priyanka Khurana
1Department of Anesthesia, G.B. Pant Hospital, New Delhi, India. drdeveshdutta@yahoo.co.uk
Prosthetic valve thrombosis typically occurs years after surgery. This study reports a rare case of acute valve dysfunction caused by a thrombus during the operation.
Area of Science:
- Cardiovascular Surgery
- Biomedical Engineering
- Pathology
Background:
- Prosthetic valve thrombosis (PVT) is a serious complication following valve replacement surgery.
- PVT usually manifests clinically months to years after implantation.
- Early diagnosis and management of PVT are crucial for patient outcomes.
Observation:
- This report details a unique case of mechanical dysfunction in a prosthetic valve.
- The dysfunction was attributed to an intraoperative obstruction caused by a thrombus.
- This presentation is highly unusual, occurring during the surgical procedure itself.
Findings:
- Acute mechanical failure of a prosthetic valve due to intraoperative thrombosis was observed.
- The thrombus directly obstructed valve function during the surgery.
- This contrasts with the typical delayed presentation of PVT.
Implications:
- This case highlights the possibility of immediate prosthetic valve dysfunction due to thrombosis.
- It underscores the need for vigilance for intraoperative complications during valve replacement.
- Further investigation into the mechanisms of acute intraoperative PVT may be warranted.
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