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Postoperative pneumoperitoneum on computed tomography: is the operation to blame?
Gregory S Peirce1, Jonathan P Swisher1, Josiah D Freemyer1
1Department of General Surgery, William Beaumont Army Medical Center, 7429 Letterman Court, El Paso, TX 79930, USA.
American Journal of Surgery
|October 14, 2014
Summary
Postoperative pneumoperitoneum resolved faster after laparoscopic surgery (1.79 days) compared to open surgery (4.73 days) in pigs. This finding aids in interpreting postoperative CT scans for surgeons.
Area of Science:
- Surgical innovation
- Abdominal surgery
- Medical imaging
Background:
- Postoperative pneumoperitoneum on radiographs presents a diagnostic challenge for surgeons.
- Uncertainty exists regarding the resolution time of surgically introduced gas.
- Quantifying pneumoperitoneum duration after open and laparoscopic surgery is crucial.
Purpose of the Study:
- To determine the resolution time of pneumoperitoneum after laparoscopic versus open abdominal surgery.
- To provide data for interpreting postoperative imaging findings.
Main Methods:
- A prospective study involving 20 pigs (Sus scrofa), divided into two groups.
- One group underwent exploratory laparoscopy, the other open abdominal exploration.
- Sequential computed tomography (CT) scans were used to monitor pneumoperitoneum post-surgery.
Main Results:
- Pneumoperitoneum resolved significantly faster in the laparoscopic group (1.79 days) compared to the open group (4.73 days).
- The difference in resolution time was statistically significant (P = .02).
Conclusions:
- Postoperative pneumoperitoneum resolves more rapidly following laparoscopic procedures than open surgery in a porcine model.
- Findings assist surgeons in evaluating postoperative CT scans that show pneumoperitoneum.
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