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Inicio Cirugía Española Influencia de la octreótida en la anastomosis tras obstrucción cólica experim...
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Vol. 74. Issue 5.
Pages 277-282 (November 2003)
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Vol. 74. Issue 5.
Pages 277-282 (November 2003)
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Influencia de la octreótida en la anastomosis tras obstrucción cólica experimental
Influence of octreotide in anastomosis after experimental colonic obstruction
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Antonio Vázquez-Pradoa,1
Corresponding author
avprado23@ono.com

Correspondencia: Dr. A. Vázquez-Prado. Palleter 7-12. 46008. Valencia. España.
, Pedro Alejandro Blázquez-Márquezb, José Luis Gonzálvezc, Enrique Artigues-Sánchez de Rojasa, Francisco Villalba-Ferrerd, Ramón Trullenquea
a Departamento de Cirugía. Universidad de Valencia. Valencia. Servicio de Cirugía. Hospital General Universitario de Valencia. Valencia.
b Servicio de Urgencias. Hospital de la Ribera. Alzira. Valencia.
c Servicio de Medicina Interna. Hospital de la Ribera. Alzira. Valencia.
d Servicio de Cirugía. Hospital General Universitario de Valencia. Valencia. España.
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Resumen
Introducción

Se valora el efecto de la octreótida sobre la oclusión experimental del colon y posterior anastomosis.

Material y método

Se realiza una oclusión de colon en dos grupos de ratas Wistar, a uno de los cuales se le administra octreótida. A las 48 h se relaparotomizó a los animales, se valoraron el grado de oclusión y el contenido intestinal y se resecó un fragmento intestinal para estudio histológico, confeccionando una anastomosis término-terminal. A los 7 días se reintervino a los animales y se valoraron las complicaciones, determinando la presión de rotura de la anastomosis, la cantidad de colágeno que contiene y su histología.

Resultados

El grupo tratado con octreótida presentó un mayor radio intestinal y peso de las heces en el asa ocluida, así como de la presión de rotura y tensión parietal de rotura, con diferencias estadísticamente significativas. La presencia de dehiscencia, fuga y complicaciones fue similar en ambos grupos. El valor de hidroxiprolina fue mayor en el grupo tratado, sin valor estadísticamente significativo. La ausencia de isquemia en el asa ocluida fue mayor en el grupo tratado y este valor predice una mayor tensión parietal de rotura de la posterior cicatriz anastomótica.

Conclusiones

El tratamiento con octreótida de la oclusión cólica experimental mejora la pared intestinal que va a ser sometida a una anastomosis.

Palabras clave:
Oclusión intestinal
Octreótida
Anastomosis cólica
Presión de rotura
Tensión parietal de rotura
Hidroxiprolina
Colágeno
Cicatrización
Introduction

We evaluated the effect of octreotide on experimental colonic occlusion and subsequent anastomosis.

Methods

Colonic occlusion was induced in two groups of Wistar rats. One group was administered octreotide. At 48 hours, the animals underwent relaparotomy. The degree of occlusion and intestinal contents were evaluated and an intestinal fragment was resected for histological study. Termino-terminal anastomosis was performed. At 7 days, the animals again underwent surgery to evaluate complications and to determine the bursting strength of the anastomosis, collagen content, and histology.

Results

The octreotide-treated group presented greater intestinal radius and fecal load in the occluded loop, as well as greater bursting pressure and bursting wall tension and these differences were statistically significant. Dehiscence, leakage, and complications were similar in both groups. Hydroxyproline value was higher in the treated group but this difference was not statistically significant. The absence of ischemia in the occluded loop was greater in the treated group and this value predicts greater bursting wall tension of the subsequent anastomotic scar.

Conclusions

Octreotide treatment in experimental colonic occlusion improves the intestinal wall before anastomosis.

Key words:
Intestinal occlusion
Octreotide
Colonic anastomosis
Bursting pressure
Bursting wall tension
Hydroxyproline
Collagen
Healing
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