Pre- versus postoperative intraarticular application of local anesthetics and opioids versus femoral nerve block in anterior cruciate ligament repair
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- Mayr, H.O., Entholzner, E., Hube, R. et al. Arch Orthop Trauma Surg (2007) 127: 241. doi:10.1007/s00402-006-0147-0
Background: Often anterior cruciate ligament (ACL) reconstruction is performed as outpatient surgery. This requires a patient friendly postoperative pain management. Three common procedures were compared in this trial. Methods: In a prospective, randomized study the effect of postoperative pain management using preoperative intraarticular anesthesia (0.1 mg Fentanyl + 8 ml Bupivacain 0.5%) was compared with postoperative intraarticular anesthesia (0.1 mg Fentanyl + 8 ml Bupivacain 0.5%) and the femoralis 3-in-1 nerve block (20 ml Prilocain 1% + 20 ml Bupivacain 0.5%) in 157 patients who underwent arthroscopic ACL-plasty. Results: Preoperative intraarticular anesthesia and the femoralis 3-in-1 nerve block showed the same postoperative analgesia and satisfactory pain scores in most cases. Postoperative intraarticular anesthesia was less effective. Conclusion: Our data show that in anterior cruciate ligament reconstruction preoperative intraarticular analgesia with Bupivacain/Fentanyl is satisfactory and equal to the femoralis 3-in-1 nerve block with Bupivacain.