Related Experiment Video
Updated: Aug 3, 2026

07:22
Creation of Colonic Anastomosis in Mice
Published on: January 17, 2019
Intra-operative air testing: an audit on rectal anastomosis
A H Davies1, D C Bartolo, A E Richards
1Department of Surgery, Bristol Royal Infirmary.
Annals of the Royal College of Surgeons of England
|November 1, 1988
Summary
Intra-operative air testing for rectal anastomosis is a simple, safe, and effective method. This technique likely reduces the incidence of colorectal anastomosis leaks, improving patient outcomes.
Area of Science:
- Colorectal Surgery
- Surgical Innovation
- Patient Safety
Background:
- Anastomotic leaks are a significant complication following colorectal surgery.
- Accurate intra-operative detection of leaks is crucial for preventing morbidity.
Purpose of the Study:
- To prospectively evaluate the utility of intra-operative air testing in detecting leaks at the rectal anastomosis.
- To assess the impact of this technique on the rate of clinical and radiological leaks.
Main Methods:
- Prospective study of 33 patients undergoing rectal anastomosis.
- Intra-operative air testing involving saline distension and air insufflation of the anastomosis.
- Postoperative Gastrografin enema on the eighth day to detect radiological leaks.
Main Results:
- Overall, 4 (12%) clinical leaks and 10 (30%) radiological leaks were observed.
- In six patients with intra-operative air leaks, two had subsequent radiological leaks (one clinical).
- In four patients with identified air leaks, no postoperative leaks were detected, suggesting successful intervention.
Conclusions:
- Intra-operative air testing is a simple, safe, and effective method for detecting rectal anastomosis leaks.
- The technique appears to help reduce the incidence of postoperative leaks after colorectal anastomosis.
- Early identification and repair of leaks during surgery can potentially prevent clinical and radiological complications.

