Comparison of two different analgesic methods for postoperative analgesia in calcaneal fracture patients

Objective To compare the effect and safety of subgluteal approach continous sciatic nerve block and single injection gluteal approach sciatic nerve block combine with patient controlled intravenous analgesia( PCIA) for postoperative analgesia in calcaneal fracture patients. Methods Forty calcaneal fracture patients,18 ~ 65 years old,ASA I ~ II Class were randomly divided into two groups: 20 patients in continuous sciatic nerve block group( Group CSB) and 20 patients in single injection gluteal approach sciatic nerve block combine with patient controlled intravenous analgesia group( Group SSB). Patients in Group CSB were given subgluteal approach continuous sciatic nerve block by continuous nerve block equipment under the nerve stimulator guidance,and connect PCA pump to give 0. 2% ropivacaine via continuous nerve block catheter continuously for analgesia. Patients in Group SSB were given single gluteal approach sciatic nerve block under the nerve stimulator guidance,and connect PCA pump via venous after surgery for analgesia. The movement / rest VAS scores and Ramsay scores at 2、8、24、48 hours after surgery,the dose of other analgesia drugs after surgery,the satisfaction of patients and surgeons,and side effect were coupared were couparod. Results The movement and rest VSA scores in Group CSB was lower than Group SSB at 24 and 48 hours after surgery( P = 0. 003,P = 0. 048).The dose of dolantin in Group CSB was lower than Group SSB( P = 0. 003). Conclusion Compared with single gluteal approach sciatic nerve block combined with patient controlled intravenous analgesia,subgluteal approach continuous sciatic nerve block with0. 2% ropivacaine could provide postoperative analgesia for calcaneal fracture patients.