Key result
PCEA cuts analgesic consumption ~22% versus CEA with comparable pain relief after total knee arthroplasty.
Why the study?
The comparative efficacy, analgesic requirement, and side effects of patient-controlled epidural analgesia versus continuous epidural analgesia after total knee arthroplasty in elderly patients were unclear.
Does patient-controlled epidural analgesia reduce analgesic requirement or improve pain scores compared to continuous epidural analgesia in elderly patients undergoing total knee arthroplasty?
RCT (n=88)
Randomly allocated
No
Does patient-controlled epidural analgesia reduce analgesic requirement or improve pain scores compared to continuous epidural analgesia in elderly patients undergoing total knee arthroplasty?
In elderly patients undergoing total knee arthroplasty, patient-controlled epidural analgesia provides similar pain relief to continuous epidural analgesia but with significantly less analgesic consumption.
Answers are grounded in this paper and cite their sources.
Supports PCEA for equivalent analgesia with lower consumption in elderly TKA; extends RCT evidence favoring patient-controlled over continuous epidural regimens.
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Lee et al. (2006) conducted an RCT in Postoperative pain after total knee arthroplasty (n=88). Patient-Controlled Epidural Analgesia (PCEA) vs. Continuous Epidural Analgesia (CEA) (6.0 ml/h basal) was evaluated on Analgesic consumption (levobupivacaine in mg) at 48 hours (p=<0.05). Patient-controlled epidural analgesia provided comparable pain relief to continuous epidural analgesia but significantly reduced total analgesic consumption (P < 0.05) after total knee arthroplasty in elderly patients.
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