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Rev. chil. cir ; 66(5): 429-436, set. 2014. ilus, tab
Article in Spanish | LILACS | ID: lil-724795

ABSTRACT

Background: Ventral hernias are defects of the anterior abdominal wall, the laparoscopic repair has shown some advantages compared to open repair. Aim: To evaluate perioperative outcomes of the laparoscopic ventral hernia repair and to describe risk factors associated to recurrence. Methods: Non-concurrent prospective cohort study, clinical data of all patients who underwent laparoscopic ventral hernia repair between June 2006 and May 2013 were reviewed. Univariate analyses were performed using chi-square for categorical variables and U Mann-Whitney test for continuous variables. Multivariate analysis was performed using a logistic regression model. Results: 127 patients underwent laparoscopic ventral hernia, 52 percent female, age of 58.1 +/- 1.2 years old. Mean Body Mass Index (BMI) was 31 +/- 0.5 kg/m² and 67.7 percent were incisional hernias. Median operative time was 80 minutes (ranging from 30-350) and the median defect size was 6 cm (ranging from 2-20). Conversion to open surgery was necessary in 4 cases (3.9 percent). Median of hospital stay was 2 days (ranging from 1-15). Recurrence rate was 14.2 percent and the median to recurrence was 9 months. Recurrence rate was associated positively to defect size > 10 cm (p = 0.002), previous recurrence (p = 0.029) and operative time > 90 minutes (p = 0.017) in the univariate analyses. However, it was only associated to the first two in the multivariate analysis (OR 3.906; IC 1.734-13.058 y OR 5.93; IC 1.546-22.976, respectively). Conclusions: Laparoscopic repair of ventral hernia is a safe procedure with acceptable perioperative complication rates. Defect size and previous recurrence are associated to a higher recurrence rate.


Introducción: Las hernias ventrales son defectos de la pared abdominal, su reparación laparoscópica ha demostrado ventajas frente a la cirugía abierta. Objetivo: Mostrar nuestra experiencia en reparación laparoscópica de hernias ventrales y describir factores asociados a recidiva. Material y Método: Estudio prospectivo de cohorte no concurrente, revisión de registros clínicos de pacientes sometidos a hernioplastía ventral laparoscópica entre junio de 2006 y mayo de 2013. Registro de variables demográficas, perioperatorias y recidiva. Búsqueda de asociaciones entre variables y recidiva mediante análisis univariado, las que se ajustan usando un modelo de regresión logística. Resultados: Se analizan 127 pacientes, 52 por ciento mujeres, promedio de edad de 58,1 +/- 1,2 años e índice de masa corporal (IMC) de 31 +/- 0,5 kg/m². 67,7 por ciento fueron hernias incisionales, con una mediana de diámetro del defecto reparado de 6 cm (rango 2-20) y de tiempo operatorio de 80 min (rango 30-350). 4 casos (3,9 por ciento) fueron convertidos a cirugía abierta. La mediana de tiempo de hospitalización fue 2 días (rango 1-15). 14,2 por ciento de los casos presentaron recidiva. En el análisis univariado, el diámetro de defecto mayor a 10 cm (p = 0,002), antecedentes de recidiva herniaria (p = 0,029) y un tiempo quirúrgico mayor a 90 min (p = 0,017) se asociaron a recidiva. Posterior al análisis multivariado sólo los dos primeros mantuvieron su asociación (p = 0,01 y p = 0,03 respectivamente). Conclusión: La hernioplastía ventral laparoscópica es una técnica segura, con baja morbilidad. En esta serie inicial, el antecedente de recidiva y defectos mayores a 10 cm se asocian a mayor recidiva herniaria.


Subject(s)
Humans , Male , Female , Middle Aged , Hernia, Ventral/surgery , Laparoscopy/methods , Analysis of Variance , Follow-Up Studies , Intraoperative Complications , Operative Time , Postoperative Complications , Prospective Studies , Recurrence , Survival Analysis , Treatment Outcome
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