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Rev Gastroenterol Mex ; 75(4): 380-8, 2010.
Artigo em Espanhol | MEDLINE | ID: mdl-21169104

RESUMO

BACKGROUND: Simulators have been used as a training method; they allow training, skill development, standardization of techniques and the performance of a greater number of risk-free procedures. Endoscopic submucosal dissection (ESD) is the standard treatment for early gastric cancer since it allows en bloc resection of larger lesions however requires longer procedure time and has more complications than endoscopic mucosal resection. OBJECTIVE: To evaluate the use of biological inanimate simulators in endoscopic training for the development of skills required for ESD. METHODS: Experimental design using a biological inanimate simulator to evaluate the development of endoscopic skills. Five trained endoscopists with knowledge of the ESD technique, but without previous experience were selected. Technical success, complication rate and procedure time were evaluated. Each participant performed a self-evaluation. RESULTS: 18 lesions of 10-20 mm in diameter were dissected, with a mean area of 2.64 ± 2 cm2 and a mean procedure time of 21.08 ± 14.01 minutes (5.48 - 48.61). Self-evaluation and instructor's evaluation showed a strong positive correlation. There was no correlation between lesion size and procedure time. There was one perforation (5.8%), which was successfully managed with one endoclip. Complications such as bleeding could not be assed. CONCLUSIONS: The use of inanimate biological simulators allows training in complex endoscopic procedures such as ESD with a wide safety margin. Lesion size did not correlate with procedure time. It is necessary to increase the number of procedures to improve the learning curve. This simulator does not allow evaluation of complications other than perforations.


Assuntos
Mucosa Gástrica/cirurgia , Gastroscopia/educação , Animais , Dissecação , Modelos Animais , Suínos
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