Int J Med Robot - Novel low-cost prostate resection trainer-description and preliminary evaluation.

Tópicos

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Resumo

CKGROUND: Transurethral resection of the prostate (TURP) is a challenging operation for residents with limited endoscopic experience. A number of virtual TURP simulators have been validated in the past. This study is the first description and preliminary evaluation of a non-virtual, low-cost TURP trainer as a teaching tool for residents in urology.METHODS: Dr K. Forke's prostatic resection trainer (PRT; LS 10-2/S, Samed GmbH, Dresden, Germany) was tested during the surgical training of a resident. Under the supervision of an experienced senior surgeon, three aspects were examined: the resection trainer's approximation to reality, the ease of instruction, and the potential capability to improve surgeons' psychomotor abilities with regard to the three-dimensional (3D) guidance of the instrument. The improvement in resection speed (RS) of residents with no PRT training (control group) was also compared to the results of the PRT-trained resident.RESULTS: During the PRT training, the resident displayed clear improvement in resection quality (RQ) and a 27% increase in RS (p = 0.03). In the post-training stage, the PRT-trained resident showed a more constant progress rate, to a maximum RS of 0.37 g/min (35% increase; p = 0.01), whereas the control group displayed varied RS learning curves. Composed of a synthetic material, which can be resected by standard instruments, the trainer offers a haptical experience that is particularly realistic and may provide an increased learning rate.CONCLUSION: From the findings, we conclude that this novel PRT is suitable for daily use and offers an effective and more affordable alternative to virtual simulators. Further validation studies will follow and new fields of application will be tested.

Resumo Limpo

ckground transurethr resect prostat turp challeng oper resid limit endoscop experi number virtual turp simul valid past studi first descript preliminari evalu nonvirtu lowcost turp trainer teach tool resid urologymethod dr k fork prostat resect trainer prt ls s same gmbh dresden germani test surgic train resid supervis experienc senior surgeon three aspect examin resect trainer approxim realiti eas instruct potenti capabl improv surgeon psychomotor abil regard threedimension d guidanc instrument improv resect speed rs resid prt train control group also compar result prttrain residentresult prt train resid display clear improv resect qualiti rq increas rs p posttrain stage prttrain resid show constant progress rate maximum rs gmin increas p wherea control group display vari rs learn curv compos synthet materi can resect standard instrument trainer offer haptic experi particular realist may provid increas learn rateconclus find conclud novel prt suitabl daili use offer effect afford altern virtual simul valid studi will follow new field applic will test

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