Related Experiment Video
Updated: Mar 14, 2026
Postoperative Ileus Murine Model
Published on: July 12, 2024
Postoperative ileus: Pathophysiology, incidence, and prevention
A Venara1, M Neunlist2, K Slim3
1L'UNAM, université d'Angers, 49933 Angers cedex, France; Inserm U913, université de Nantes, neuropathies du système nerveux entérique et maladies digestives, 1, rue Gaston-Veil, 44035 Nantes, France; Service de chirurgie digestive et endocrinienne, CHU d'Angers, 4, rue Larrey, 49933 Angers cedex 9, France.
Insights
Postoperative ileus (POI) impacts patient recovery and healthcare costs. Enhanced recovery programs and specific interventions like limited fasting and laparoscopy significantly improve outcomes and reduce hospitalization duration.
Area of Science:
- Gastroenterology
- Surgical Outcomes
- Clinical Management
Background:
- Postoperative ileus (POI) is a common complication following abdominal surgery, increasing hospital stays and costs.
- Existing definitions for POI resolution vary, hindering study reproducibility and interpretation.
- Despite advances, 10-30% of patients develop POI, with limited pharmacological prevention options in some regions.
Purpose of the Study:
- To review current understanding and management strategies for postoperative ileus.
- To highlight the impact of perioperative care on POI incidence and resolution.
- To emphasize the benefits of enhanced recovery programs in mitigating POI.
Main Methods:
- Literature review of risk factors, pathophysiology, and preventive/therapeutic strategies for POI.
- Analysis of the role of perioperative nutrition, fasting protocols, and specific agents (coffee, gum).
- Evaluation of the impact of surgical techniques like laparoscopy and multimodal enhanced recovery programs.
Main Results:
- Identified risk factors include male gender, advanced age, and major blood loss.
- Perioperative nutrition, limited fasting (6h solid, 2h liquid), coffee, and chewing gum show preventive potential.
- Laparoscopy and enhanced recovery programs significantly reduce hospitalization, morbidity, and transit time.
Conclusions:
- Multimodal approaches, including optimized nutrition, limited fasting, and minimally invasive surgery, are crucial for POI prevention.
- Enhanced recovery programs effectively reduce POI complications, hospital stay, and costs.
- Further research into pharmacological interventions may be beneficial where available.
Abstract:
Postoperative ileus (POI) is a major focus of concern for surgeons because it increases duration of hospitalization, cost of care, and postoperative morbidity. The definition of POI is relatively consensual albeit with a variable definition of interval to resolution ranging from 2 to 7 days for different authors. This variation, however, leads to non-reproducibility of studies and difficulties in interpreting the results. Certain risk factors for POI, such as male gender, advanced age and major blood loss, have been repeatedly described in the literature. Understanding of the pathophysiology of POI has helped combat and prevent its occurrence. But despite preventive and therapeutic efforts arising from such knowledge, 10 to 30% of patients still develop POI after abdominal surgery. In France, pharmacological prevention is limited by the unavailability of effective drugs. Perioperative nutrition is very important, as well as limitation of preoperative fasting to 6 hours for solid food and 2 hours for liquids, and virtually no fasting in the postoperative period. Coffee and chewing gum also play a preventive role for POI. The advent of laparoscopy has led to a significant improvement in the recovery of gastrointestinal function. Enhanced recovery programs, grouping together all measures for prevention or cure of POI by addressing the mechanisms of POI, has reduced the duration of hospitalization, morbidity and interval to resumption of transit.
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