Why the study?
Does extradural analgesia reduce blood loss in patients undergoing total hip replacement compared to phenoperidine analgesia?
Does extradural analgesia reduce blood loss in patients undergoing total hip replacement compared to phenoperidine analgesia?
Extradural analgesia significantly reduces intraoperative blood loss during total hip replacement compared to phenoperidine analgesia.
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Supports extradural analgesia to limit blood loss in total hip replacement; confirms causal benefit versus phenoperidine in this RCT.
Chin et al. (1982) studied this question.
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