Related Experiment Video
Updated: May 23, 2026

09:04
DNBS/TNBS Colitis Models: Providing Insights Into Inflammatory Bowel Disease and Effects of Dietary Fat
Published on: February 27, 2014
Intestinal healing in rats submitted to ethanol ingestion
Rodrigo Severo de Camargo Pereira1, Cláudia Nishida Hasimoto, Leonardo Pelafsky
1Division of Gastroenterology Surgery, Surgery and Orthopedics Department, Botucatu School of Medicine, UNESP, Brazil. rodrigomacarena@yahoo.com.br
Acta Cirurgica Brasileira
|March 31, 2012
Summary
Alcoholism impairs intestinal healing and increases postoperative complications in rats, leading to malnutrition and reduced wound strength. This study highlights the negative impact of alcohol on surgical recovery.
Area of Science:
- Gastroenterology
- Surgical Research
- Toxicology
Background:
- Alcoholism is a global health issue with significant systemic effects.
- Intestinal healing is crucial for recovery after abdominal surgery.
- The impact of chronic alcohol consumption on surgical outcomes requires further investigation.
Purpose of the Study:
- To investigate the effects of chronic alcoholism on intestinal healing in rats.
- To assess the incidence of postoperative complications in alcohol-exposed rats undergoing intestinal surgery.
- To evaluate the relationship between alcoholism, malnutrition, and surgical recovery.
Main Methods:
- 160 rats were divided into control (water) and treated (30% ethanol) groups for 180 days.
- Colotomy with anastomosis was performed, followed by subgroup analysis at 4, 7, 14, and 21 days post-operation.
- Parameters assessed included weight gain, breaking strength, hydroxyproline levels, complications, and histopathology.
Main Results:
- The alcohol-treated group exhibited significantly lower weight gain and reduced intestinal breaking strength compared to controls.
- While histopathology and hydroxyproline levels showed no significant differences, the treated group had more surgical site infections and fistulas.
- Mortality rates were higher in the alcohol-treated group, suggesting a detrimental effect on overall recovery.
Conclusions:
- Alcoholism induces a malnutrition state, evidenced by decreased weight gain.
- Impaired intestinal healing, indicated by reduced breaking strength, was observed in alcohol-exposed rats.
- Chronic alcohol consumption is associated with a higher incidence of postoperative complications and poorer surgical outcomes.

