• C L Wu, R D Bronstein, J M Chen, D H Lee, and L M Rouse.
• Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins Hospital, Baltimore, Maryland, USA.
• Am J. Orthop. 2000 Dec 1;29(12):974-8.

AbstractAnterior cruciate ligament (ACL) procedures are associated with significant postoperative pain and have traditionally been done on a short-stay hospitalization basis because of concerns for adequate postoperative analgesia. A retrospective chart review was performed to determine postoperative intravenous patient-controlled analgesia (PCA) morphine requirements for 80 patients who had undergone arthroscopically assisted ACL reconstruction under general anesthesia by means of a patellar tendon autograft by 1 of 2 surgeons. The mean +/- SD PCA morphine used after surgery was 20.4+/-20.0 mg. There was a wide interpatient difference in postoperative opioid consumption: the amount of PCA morphine used ranged from 0 mg to 124 mg. A comparison between the surgeons revealed that 1 surgeon had significantly longer intraoperative surgical, tourniquet, and anesthesia times; however, there was no difference in the length of recovery room stay, amount of postoperative PCA morphine used, or time to hospital discharge. Predicting which patients may benefit from short-stay hospitalization after arthroscopic ACL reconstruction may be difficult because of considerable interpatient differences in postoperative analgesic requirements.

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