TY - JOUR
T1 - Stimulating catheters for continuous femoral nerve blockade after total knee arthroplasty
T2 - A randomized, controlled, double-blinded trial
AU - Barrington, Michael J.
AU - Olive, David J.
AU - McCutcheon, Craig A.
AU - Scarff, Christopher
AU - Said, Simone
AU - Kluger, Roman
AU - Gillett, Nicola
AU - Choong, Peter
N1 - Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.
PY - 2008/4
Y1 - 2008/4
N2 - BACKGROUND: Continuous femoral nerve blockade (CFNB) is often used for postoperative analgesia after total knee arthroplasty (TKA). CFNB can be instituted using a variety of techniques. Stimulating catheters (SC) have the advantage of confirming placement of the catheter close to the nerve during advancement. METHODS: In this randomized, controlled, double-blind trial, we compared a SC with a nonstimulating catheter (NSC) technique for institution of CFNB and its effects on quality of analgesia after TKA performed under general anesthesia in 82 patients. Patients were randomized to have CFNB instituted using either a NSC or a SC technique. Sensory blockade was assessed 10 and 20 min after injection of lidocaine via femoral catheter and on postoperative days 1 (POD 1) and 2 (POD 2). A standardized multimodal analgesic technique, including a single injection sciatic block (preoperative), IV morphine (patient-controlled analgesia), celecoxib, and paracetamol, was administered to all patients. Outcome variables included morphine requirements, pain scores, and markers of early recovery. RESULTS: The proportion of patients with sensory blockade in the femoral nerve distribution was between 90% and 95% at all measurement times with no difference between groups. In the first 24 h, the NSC group required 19.5 (1-67) [median (10th-90th centiles)] mg morphine compared with the SC Group 18 (2-51) mg (P = 0.69). At 24 h, the 95% confidence interval for difference in morphine consumption between groups was -8 to 5 mg. There was no difference between groups in visual analog scale scores at rest on POD 1 and POD 2, during active and passive physiotherapy; and in markers of early recovery after surgery. CONCLUSIONS: In this study, blind catheter advancement was as reliable as a SC technique for establishing and maintaining CFNB for postoperative analgesia as a part of multimodal analgesia technique after TKA.
AB - BACKGROUND: Continuous femoral nerve blockade (CFNB) is often used for postoperative analgesia after total knee arthroplasty (TKA). CFNB can be instituted using a variety of techniques. Stimulating catheters (SC) have the advantage of confirming placement of the catheter close to the nerve during advancement. METHODS: In this randomized, controlled, double-blind trial, we compared a SC with a nonstimulating catheter (NSC) technique for institution of CFNB and its effects on quality of analgesia after TKA performed under general anesthesia in 82 patients. Patients were randomized to have CFNB instituted using either a NSC or a SC technique. Sensory blockade was assessed 10 and 20 min after injection of lidocaine via femoral catheter and on postoperative days 1 (POD 1) and 2 (POD 2). A standardized multimodal analgesic technique, including a single injection sciatic block (preoperative), IV morphine (patient-controlled analgesia), celecoxib, and paracetamol, was administered to all patients. Outcome variables included morphine requirements, pain scores, and markers of early recovery. RESULTS: The proportion of patients with sensory blockade in the femoral nerve distribution was between 90% and 95% at all measurement times with no difference between groups. In the first 24 h, the NSC group required 19.5 (1-67) [median (10th-90th centiles)] mg morphine compared with the SC Group 18 (2-51) mg (P = 0.69). At 24 h, the 95% confidence interval for difference in morphine consumption between groups was -8 to 5 mg. There was no difference between groups in visual analog scale scores at rest on POD 1 and POD 2, during active and passive physiotherapy; and in markers of early recovery after surgery. CONCLUSIONS: In this study, blind catheter advancement was as reliable as a SC technique for establishing and maintaining CFNB for postoperative analgesia as a part of multimodal analgesia technique after TKA.
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U2 - 10.1213/ane.0b013e318164efd1
DO - 10.1213/ane.0b013e318164efd1
M3 - Article
C2 - 18349212
AN - SCOPUS:41349111153
SN - 0003-2999
VL - 106
SP - 1316
EP - 1321
JO - Anesthesia and analgesia
JF - Anesthesia and analgesia
IS - 4
ER -