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Validación de un modelo de riesgo de evisceración
Authors:Carlos Javier Gómez Díaz  Pere Rebasa CladeraSalvador Navarro Soto  José Manuel Hidalgo RosasAlexis Luna Aufroy  Sandra Montmany VioqueConstanza Corredera Cantarín
Institution:Servicio de Cirugía General y del Aparato Digestivo, Corporación Sanitaria y Universitaria Parc Taulí , Sabadell, Barcelona, España
Abstract:

Introduction

The aim of this study is to determine the usefulness of the risk model developed by van Ramshorst et al., and a modification of the same, to predict the abdominal wound dehiscence's risk in patients who underwent midline laparotomy incisions.

Materials and methods

Observational longitudinal retrospective study. Sample: Patients who underwent midline laparotomy incisions in the General and Digestive Surgery Department of the Sabadell's Hospital–Parc Taulí’s Health and University Corporation–Barcelona, between January 1, 2010 and June 30, 2010. Dependent variable: Abdominal wound dehiscence. Independent variables: Global risk score, preoperative risk score (postoperative variables were excluded), global and preoperative probabilities of developing abdominal wound dehiscence.

Results

Sample: 176 patients. Patients with abdominal wound dehiscence: 15 (8.5%). The global risk score of abdominal wound dehiscence group (mean: 4.97; IC 95%: 4.15-5.79) was better than the global risk score of No abdominal wound dehiscence group (mean: 3.41; IC 95%: 3.20-3.62). This difference is statistically significant (P<.001). The preoperative risk score of abdominal wound dehiscence group (mean: 3.27; IC 95%: 2.69-3.84) was better than the preoperative risk score of No abdominal wound dehiscence group (mean: 2.77; IC 95%: 2.64-2.89), also a statistically significant difference (P<.05). The global risk score (area under the ROC curve: 0.79) has better accuracy than the preoperative risk score (area under the ROC curve: 0.64).

Conclusion

The risk model developed by van Ramshorst et al. to predict the abdominal wound dehiscence's risk in the preoperative phase has a limited usefulness. Additional refinements in the preoperative risk score are needed to improve its accuracy.
Keywords:Evisceració  n  Factores de riesgo  Modelo de riesgo  Complicació  n quirú  rgica
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