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Updated: Apr 14, 2026

A Model of Free Tissue Transfer: The Rat Epigastric Free Flap
Published on: January 15, 2017
Accidental dropping or misplacement of free flaps
Mark K Wax1, Neal D Futran2, Eben L Rosenthal3
1Department Otolaryngology-Head and Neck Surgery, Oregon Health and Sciences University, Portland, Oregon.
Misplacement of free tissue transfer flaps occurs rarely, with most flaps successfully retrieved and implanted without altered patient outcomes. Process improvements in handling and communication were implemented to prevent future incidents.
Area of Science:
- Surgical techniques
- Patient safety
- Quality improvement in healthcare
Background:
- Standard operating procedures are crucial for quality care in surgical practices, especially for specimens removed from the body.
- Free tissue transfer involves harvesting, temporary ex-corporeal storage, and reimplantation of tissue, presenting opportunities for procedural errors.
- Accidental misplacement of surgical specimens can compromise patient care and outcomes.
Purpose of the Study:
- To examine the incidence and causes of free tissue misplacement in multi-institutional surgical practices.
- To identify opportunities for process improvement in handling free tissue transfers.
- To evaluate the impact of misplacement events on patient outcomes.
Main Methods:
- A retrospective review of free tissue transfer cases was conducted across five institutions.
- The study analyzed 8,382 free flaps to identify instances of misplacement.
- Data collected included the type of flap, circumstances of misplacement, and patient outcomes.
Main Results:
- Thirteen free flaps (0.15%) were inadvertently misplaced from the sterile field.
- Common causes included miscommunication among staff and accidental dropping of the flap.
- All misplaced flaps were retrieved, treated, and successfully implanted without any adverse patient outcomes.
Conclusions:
- Inadvertent misplacement of free tissue flaps is a rare but possible event in surgical settings.
- Implementing standardized labeling and communication strategies can improve prevention.
- Despite misplacement, prompt retrieval and appropriate management ensure no long-term negative effects on patient outcomes.
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