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February 14, 1972

Abdominal Tamponade

JAMA. 1972;219(7):911. doi:10.1001/jama.1972.03190330069027

To the Editor.—  Baker states: If pneumoperitoneum was created more than 24 hours prior to induction of anesthesia, it is unlikely that any air remained in the peritoneal cavity.Her justification for this statement is that Adriani1 states that "nitrogen is resorbed from a closed lung lobule in 16 hours." However, Adriani is quoting the fine experimental work by Coryllos.2 Coryllos's original paper does indeed show that within 16 hours all the nitrogen is resorbed in a segment of normal lung that had an occluded bronchus; however in abnormal lung the rate of resorption was much slower. In the same paper, Corryllos showed that it took six days for air or nitrogen to be resorbed from the pleural cavity.Further details about the case report as requested by Baker are that 2,000 cc of air was introduced on Oct 9, 14, 20 and 27, 1971. Surgery was performed