Transfer of Learning from Practicing Microvascular Anastomosis on Silastic Tubes to Rat's Abdominal Aorta.

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Transfer of Learning from Practicing Microvascular Anastomosis on Silastic Tubes to Rat's Abdominal Aorta.

World Neurosurg. 2017 Aug 31;:

Authors: Mokhtari P, Meybodi AT, Lawton MT, Payman A, Benet A

Abstract
OBJECT: Learning to perform microvascular anastomosis is difficult. Laboratory practice models using artificial vessels are frequently used for this purpose. However, the efficacy of such practice models has not been objectively assessed on the performance of microvascular anastomosis during live surgical settings. This study was carried out to assess the transfer of learning from practicing microvascular anastomosis on tubes to anastomosing rat's abdominal aorta.
METHODS: Ten surgeons without any experience in microvascular anastomosis were randomly assigned to an experimental or a control group. Both groups received didactic and visual training on end-to-end microvascular anastomosis. The experimental group received 24 sessions of hands-on training on microanastomosis using silastic tubes. Next, both groups underwent recall tests on weeks 1, 2, and 8 post-training. The recall test consisted of completing an end-to-end anastomosis on the rat's abdominal aorta. Anastomosis score, the time to complete the anastomosis, and the average time to place 1 stitch on the vessel perimeter were compared between the two groups.
RESULTS: Compared to the control group, the experimental group did significantly better in terms of anastomosis score, total time, and per-stitch time. The measured variables showed stability and did not change significantly between the 3 recall tests.
CONCLUSION: The skill of microvascular anastomosis is transferred from practicing on silastic tubes to rat's abdominal aorta. Considering the relative advantages of silastic tubes to live rodent surgeries, such as lower cost and absence of ethical issues, our results support the widespread use of silastic tubes in training programs for microvascular anastomosis.

PMID: 28867319 [PubMed - as supplied by publisher]

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