Related Experiment Video
Updated: May 22, 2026
08:18
Engineered Vascularized Muscle Flap
Published on: January 11, 2016
Delayed free flap salvage after venous thrombosis
Tommaso Agostini1, Davide Lazzeri, Vittorugo Agostini
1Department of Plastic and Reconstructive Surgery, University of Florence, Florence, Italy. tommasoagostini@ymail.com
The Journal of Craniofacial Surgery
|May 26, 2012
Summary
Successful free flap salvage is possible even after six hours using thrombolytic drugs. This challenges the understanding of flap failure mechanisms, suggesting salvage is achievable beyond the typical time frame.
Area of Science:
- Microsurgery
- Vascular Surgery
- Reconstructive Surgery
Background:
- Free flap failure rates range from 4-5%, with pedicle thrombosis being a significant contributor.
- Postoperative venous thrombosis is a common cause of flap failure, with salvage rates around 42%.
Observation:
- Venous engorgement and microvascular changes can lead to a rapid no-reflow phenomenon within 6 hours.
- This study reports successful free flap salvage using thrombolytic drugs in cases where failure occurred after the 6-hour window.
Findings:
- Free flap salvage after 6 hours is achievable with thrombolytic therapy.
- The established understanding of the time-sensitive nature of flap failure may be incomplete.
Implications:
- Thrombolytic therapy could be a viable option for salvaging free flaps beyond the traditionally accepted 6-hour limit.
- Further research is needed to fully elucidate the mechanisms underlying free flap failure and optimize salvage strategies.
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