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Step By Step: Microsurgical training method combining two nonliving animal models
Published on: May 9, 2015
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Supermicrovascular anastomosis training using chicken wings and colored water
A Kondo1, H Umezawa2, Y Fukunaga3
1Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Tokyo, Japan; Department of Plastic and Reconstructive Surgery, National Cancer Center Hospital East, Kashiwa, Japan.
Summary
This study introduces a cost-effective chicken wing model for training supermicrosurgery vascular anastomosis. The method significantly improved surgeon skills, reducing dissection and anastomosis times and leakage rates.
Area of Science:
- Microsurgery
- Surgical training
- Vascular anastomosis
Background:
- Supermicrosurgery requires specialized skills in vascular anastomosis.
- Current training methods can be expensive and time-consuming.
Purpose of the Study:
- To develop and evaluate a simple, rapid, and cost-effective training model for supermicrosurgical vascular anastomosis using chicken wings.
Main Methods:
- Dissection and end-to-end anastomosis of the avian ventral metacarpal artery (0.7-0.8 mm diameter) in 100 chicken wings.
- Colored water injection was used to assess suture sufficiency and leakage.
- Comparison of dissection and anastomosis times, and leakage rates between the first and last 20 wings, and analysis of cumulative practice time.
Main Results:
- Significant reductions in median dissection time (17:45 to 12:27 min) and anastomosis time (12:29 to 9:02 min) were observed.
- Leakage rates decreased from 70% to 15% in the last 20 wings compared to the first 20.
- A cumulative practice time of 10 hours 26 minutes correlated with a sharp decrease in individual anastomosis times and leakage rates (58.3% to 23.8%).
Conclusions:
- The chicken wing model effectively improves supermicrosurgical vascular anastomosis skills.
- This training method offers a practical and economical approach for surgeons to enhance their supermicrosurgical proficiency.
