pneumoperitoneum insufflation
Pronunciation: new-mo-pair-ih-toh-NEE-um in-SUF-lay-shun
The introduction of carbon dioxide gas into the peritoneal cavity to create working space for laparoscopic surgery.
Full Definition
Pneumoperitoneum insufflation is the controlled introduction of carbon dioxide gas into the peritoneal cavity during laparoscopic procedures to create a working space between organs and the abdominal wall. CO2 is preferred because it is rapidly absorbed and less dangerous if gas embolism occurs. Proper insufflation technique requires monitoring of intra-abdominal pressure, typically maintained at 12-15 mmHg, to optimize visualization while minimizing physiologic effects including decreased venous return and respiratory compromise.
Usage
Usage note: Distinguish from natural pneumoperitoneum which indicates bowel perforation.
In Context
- "Pneumoperitoneum insufflation was achieved safely with CO2 at 12 mmHg pressure." — Laparoscopic operative report
- "Careful monitoring during pneumoperitoneum insufflation prevented hemodynamic compromise." — Anesthesia record