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Inicio Endocrinología y Nutrición Papel de la desnutrición en la síntesis de colágeno en anastomosis cólicas p...
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Vol. 53. Núm. 6.
Páginas 366-373 (junio 2006)
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Vol. 53. Núm. 6.
Páginas 366-373 (junio 2006)
Originales
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Papel de la desnutrición en la síntesis de colágeno en anastomosis cólicas primarias: análisis de procolágeno y telopéptido carboxiterminal mediante radioinmunoanálisis
Role of malnutrition in collagen synthesis in primary colonic anastomosis. Analysis of procollagen and carboxyterminal telopeptide through radioimmunoassay
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José María Álamoa,
Autor para correspondencia
jmalamom@terra.es

Correspondencia: Dr. J.M. Álamo Martínez. José Laguillo, 27, bloque 3, 7.° C. 41003 Sevilla. España.
, Antonio Galindoa, Salvador Moralesa, Felipe Garcíab, Gemma Dazac, Carmen Bernala, José María Sousaa, María Socasa, Juan Martín-Cartésa, Hisnard Cadeta, Manuel Bustosa
a Servicio de Cirugía General y del Aparato Digestivo. Hospitales Universitarios Virgen del Rocío. Sevilla. España
b Servicio de Medicina Nuclear. Hospitales Universitarios Virgen del Rocío. Sevilla. España
c Servicio de Neurofisiología Clínica. Hospitales Universitarios Virgen del Rocío. Sevilla. España
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Información del artículo
Introducción

Diversos factores clínicos, anatomopatológicos y técnicos influyen en la cicatrización correcta de las suturas intestinales tras la práctica de una resección intestinal. Uno de los factores más implicados es el estado nutricional del paciente.

Objetivos

Evaluar la influencia de la desnutrición inducida en la viabilidad de una anastomosis intestinal primaria mediante el análisis del procolágeno (PINP) y del telopétido carboxiterminal del colágeno I (ICTP) depositados en ella.

Material y método

Usamos 40 ratas Wistar y material de radioinmunoanálisis (kits comerciales de RIA ICTP-RIA® e Intact PINP®). Se formaron 2 grupos de ratas, 20 animales para cada grupo: grupo control (A) y grupo “desnutrición” (B). Se analizó PINP e ICTP mediante RIA sobre tejido colónico homogeneizado, preanastomótico y anastomótico.

Resultados

Hay menores valores de PINP en el colon de las ratas del grupo B que en el del grupo A (0,3620 y 0,4340μg/g, respectivamente) (p=0,032). Hay un mayor valor de ICTP analizado en el colon del grupo B (0,9545 en contraposición a 0,8460μg/g, en el grupo A) (p=0,875). En las anastomosis del grupo B hay menos síntesis de PINP que en el grupo A (0,376 y 0,468μg/g, respectivamente; p=0,002).

Conclusiones

La anastomosis colónica incrementa las concentraciones de PINP e ICTP en el tejido cicatrizal (p<0,001); la desnutrición reduce la colagenización de las anastomosis (p<0,001).

Palabras clave:
Anastomosis intestinal
Procolágeno
Telopéptido carboxiterminal
Albúmina
Introduction

Various clinical, pathological and technical factors influence the viability of intestinal suturing after intestinal resection. One of the most important factors is the patient's nutritional status.

Objectives

To evaluate the influence of induced nutrition on the viability of primary intestinal anastomosis by means of analysis of collagen I procollagen (PINP) and telopeptide (ICTP) deposited in the anastomosis.

Material and method

40 Wistar rats and material for the radioimmunoassay (ICTPRIA® and Intact PINP® commercial radioimmunoassay kits) were used. We used two groups of 20 rats each: control group (A) and a “malnourished” group (B). PINP and ICTP were analyzed through radioimmunoassay of homogenized, preanastomotic and anastomotic colonic tissue.

Results

PINP levels were lower in the colons of group B rats than in the control group (0.3620 and 0.4340μg/g respectively) (p=0.032). ICTP levels were higher in the colons of group B rats than in those of group A rats (0.9545 versus 0.8460μg/g respectively) (p=0.875). PINP synthesis was lower in the anastomoses of group B than in group A (0.376 and 0.468μg/g respectively; p=0.002).

Conclusions

Colonic anastomosis increases PINP and ICTP levels in scar tissue (p<0.001). Malnutrition reduces collagenization of colonic anastomoses (p<0.001)

Key words:
Intestinal anastomosis
Procollagen
Carboxyterminal telopeptide
Albumin
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