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. 2020 Jun;25(2):206-213.
doi: 10.1142/S2424835520500241.

Maintaining Effective Microsurgery Training with Reduced Utilisation of Live Rats

Amitabha Lahiri  1 , Sandeep Sebastin Muttath  1 , Siti Khadijah Yusoff  1 , Alphonsus Ks Chong  1
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Maintaining Effective Microsurgery Training with Reduced Utilisation of Live Rats

Amitabha Lahiri et al. J Hand Surg Asian Pac Vol. 2020 Jun.

Abstract

Background: Microvascular surgery is now an integral part of many surgical disciplines, and the success of these procedures relies on the technical skills of the surgeon. Although numerous training models and simulations have been developed, the living rat model is favoured for its high fidelity to clinical microsurgery. However, there are serious ethical concerns over the use of live models for training. The aim of this study was to demonstrate if effective skill acquisition was possible with a reduction in the number of live rats. Methods: Two course structures were designed, that were implemented. Total training hours remained the same in both the courses, but the number of rats used was reduced from conventional five rats per participant to four in group A and to three in group B while increasing the training time spent on synthetic and ex-vivo models. We assessed the effectiveness of the courses by comparing the patency rates, the time taken per anastomosis and efficiency of the utilisation rate of rats. Results: There were 30 participants in Group A and 28 participants in group B. We observed that group B was able to perform anastomosis in a significantly shorter time and with patency rates similar to group A in spite of a lesser number of rats used in the training. Conclusions: we were able to conclusively demonstrate that it was possible to reduce live rat usage in microsurgical training without compromising on the quality of training.

Keywords: Anastomosis; Microsurgery training; Simulation model; Surgical curriculum; Surgical education; Surgical simulation.

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