Abstract
Objective To investigate the effects of lumbar plexus-sciatic nerve block combined with general anesthesia on postoperative outcome in elderly patients after total hip arthroplasty. Methods Seventy elderly patients who were scheduled for total hip arthroplasty were randomly divided into two groups: group LPSN (n=35) and group GA (n=35), lumbar plexus-sciatic nerve block combined with general anesthesia were performed in patients of group LPSN, patients in group GA were performed with general anesthesia. saturation of pulse oximetry (SpO2), Visual analogue scale (VAS) before anesthesia (T0), at 3 h (T1), 24 h (T2), 48 h (T3) after anesthesia, operation time, the remifentanil consumption, time to remove the tracheal tube, the incidence of respiratory events and the length of stay were recorded. Results As compared with group GA, the VAS of group LPSN was reduced at T1, T2[(2.5±1.4) vs. (3.2±1.4), (1.9±1.2) vs. (2.7±1.2), P 0.05]. Conclusion lumbar plexus-sciatic nerve block combined with general anesthesia could decrease the use of remifentanil in elderly patients after total hip arthroplasty, have a fewer incidence of respiratory events, and it is beneficial to the early postoperative rehabilitation. Key words: Nerve block; Elderly patient; Arthroplasty; Postoperative outcome
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