What is the intraoperative peritoneal pressure of an adult during a laparoscopic procedure when using CO2?
a. 5 to 7 mm Hg
b. 7 to 10 mm Hg
c. 12 to 15 mm Hg
d. Greater than 18 mm Hg
ANS: C
The peritoneal cavity is insufflated with CO2 to an intraoperative pressure of 12 to 15 mm Hg to create the working space. Obese patients may need higher insufflation pressures to counteract the weight of the abdominal wall. The circulating nurse monitors this pressure during insufflation; it should not fall below 8 mm Hg. The intraperitoneal pressure should remain at 15 mm Hg for the average adult patient.
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