Curva de aprendizado de anastomose arteriovenosa com uso de simulador de baixo custo
Arteriovenous anastomosis learning curve using low cost simulator
Jéssika da Silva Antas; Ana Karolina Gama de Holanda; Achilles de Sousa Andrade; Alinne Mirlania Sabino de Araujo; Isabella Guilherme de Carvalho Costa; Luciano Ribeiro Dantas; Silvane Katerine Medeiros de Lima; Priscilla Lopes da Fonseca Abrantes Sarmento
Resumo
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Abstract
Background: In order to reduce difficulties with learning surgical techniques, supplementary tools for training were developed. This paper describes the learning curve followed by student volunteer research subjects who used an alternative model for practicing vascular anastomosis. Objectives: To evaluate the vascular anastomosis technique learning curve and development of manual skills using a low-cost experimental model. Methods: Experimental and prospective study using end-to-side vascular anastomosis in latex balloons over five successive phases, initiated after theoretical and practical guidance given by experienced vascular surgeon. The study subjects were six undergraduate medical students from Universidade Federal da Paraíba (UFPB), João Pessoa, PB, Brazil, in their third to fifth years of the course. Cluster analysis was used to interpret the data collected on the quality of anastomoses and the time taken. Results: The time taken to perform anastomosis reduced for all students, with statistical differences from phase 1 compared to phases 4 and 5. There was also a trend to increasing scores on the quality index as the phases progressed. However, no statistical differences were detected using the Friedman test, which is appropriate for data measured with ordinal levels (quality was assessed on a scale of 1 to 5). Conclusions: It was found that the training model used was effective for increasing learning of this technique. It is believed that future studies with larger samples or a higher number of phases could demonstrate both reduced time and improved quality of the anastomoses performed with statistical significance
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Referências
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Submetido em:
04/12/2019
Aceito em:
01/06/2020