A Novel Task Trainer for Penile Corpus Cavernosa Aspiration

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Abstract

Introduction

Priapism is a rare yet time sensitive emergency with potentially significant morbidity. A novel task trainer was developed for corpus cavernosa aspiration and phenylephrine injection. The primary aim of this study was to assess model realism and usefulness for emergency medicine resident procedural education. Secondarily, an assessment of comfort level with the procedure before and after intervention was performed.

Methods

A priapism model containing corpus cavernosa and spongiosum analogs was constructed. The models and evaluation forms were pilot tested by faculty and then tested for realism and usefulness in a sample of 49 residents after a brief training session. Secondary end points included resident comfort with cavernosa aspiration before and after the session of the model on a visual analog scale.

Results

Eight faculty pilot tested the procedure model and evaluated it based on a 5-point scale. They unanimously felt that the model was realistic [mean = 4.4, 95% confidence interval (CI) = 3.85.0] and useful for resident education (mean = 4.8, 95% CI = 4.45.0). The model was then evaluated for realism and usefulness in 49 residents. The model was felt to be realistic (mean = 4.3, 95% CI = 4.04.5) and useful for resident education (mean = 4.6, 95% CI = 4.44.8). Residents also noted an improvement in comfort performing the procedure before and after simulation session with the mean visual analog scale rating increasing from 34.3 to 83.8 (P < 0.001).

Conclusions

An easily constructed priapism task trainer was felt to be realistic and useful for resident education. Secondarily, use of the model in a simulation session can improve resident comfort in an important and infrequent procedure.

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