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Correlation between bursting pressure and breaking strength in colonic anastomosis
Durães, Leonardo de Castro; Durães, Eliana Ferreira Ribeiro; Lobato, Luiz Felipe de Campos; Oliveira, Paulo Gonçalves de; Sousa, João Batista de.
  • Durães, Leonardo de Castro; UnB. School of Medicine. Postgraduate Program in Medical Sciences. Brasilia. BR
  • Durães, Eliana Ferreira Ribeiro; UnB. School of Medicine. Postgraduate Program in Medical Sciences. Brasilia. BR
  • Lobato, Luiz Felipe de Campos; UnB. School of Medicine. Postgraduate Program in Medical Sciences. Brasilia. BR
  • Oliveira, Paulo Gonçalves de; UnB. School of Medicine. Postgraduate Program in Medical Sciences. Brasilia. BR
  • Sousa, João Batista de; UnB. School of Medicine. Postgraduate Program in Medical Sciences. Brasilia. BR
Acta cir. bras ; 28(6): 447-452, June 2013. ilus, tab
Artículo en Inglés | LILACS | ID: lil-675580
ABSTRACT

PURPOSE:

To investigate the correlation between bursting pressure and breaking strength on the 7th postoperative day following left colonic anastomosis in rats.

METHODS:

Seventy rats were randomly divided into seven groups of ten animals each. All of the animals underwent segmental resection of the left colon and end-to-end anastomosis. The animals in groups I to VI underwent surgical laparoscopies with pneumoperitoneums using carbon dioxide or helium at pressures of 5, 12 or 20 mmHg. In Group VII, open laparotomy was performed. The animals were reoperated on postoperative day 7 to measure the bursting pressure and the breaking strength of the anastomosis.

RESULTS:

The anastomosis bursting pressure in 70 animals was 193.10±55.56 mmHg. There was no significant difference between the groups (p=0.786). The breaking strength of the anastomosis was 0.26±0.12 N. There was no significant difference between the groups (p=0.356). Pearson's correlation test showed a low correlation (r=0.231) lacking statistical significance (p=0.054).

CONCLUSION:

There was no correlation between the bursting pressure and breaking strength of left colonic anastomoses in rats on the 7th postoperative day.
Asunto(s)


Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Presión / Resistencia a la Tracción / Colon Límite: Animales Idioma: Inglés Revista: Acta cir. bras Asunto de la revista: Cirugía General / Procedimentos Cir£rgicos Operat¢rios Año: 2013 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: UnB/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Presión / Resistencia a la Tracción / Colon Límite: Animales Idioma: Inglés Revista: Acta cir. bras Asunto de la revista: Cirugía General / Procedimentos Cir£rgicos Operat¢rios Año: 2013 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: UnB/BR