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The Efficacy of Peripheral Nerve Blocks With Intrathecal Morphine in Improving Analgesia After Unilateral Total Knee Arthroplasty

Anesthesia Clinical Trial

Official title:
Do Peripheral Nerve Blocks When Used as Part of a Multimodal Regimen Inclusive on Intrathecal Morphine Improve Analgesia After Unilateral Total Knee Arthroplasty? A Randomized Controlled Trial

Clinical Trial Summary

The purpose of this study is to determine whether intrathecal morphine (ITM) alone or its combination with peripheral nerve blocks (PNB) provides better analgesia for patients undergoing total knee arthroplasty (TKA).

Clinical Trial Description

Total knee arthroplasty (TKA) surgery is associated with severe pain. The success of knee rehabilitation following surgery depends largely on adequate pain control that permits early physical therapy. Postoperative modern analgesic recommendations specific to TKA propose either spinal block with intrathecal morphine (ITM) or a combination of general anesthesia with single shot femoral nerve block (SFNB). Femoral nerve block (FNB) too has proven analgesic advantages in TKA surgery. However, we do not know if the combination of the two analgesic techniques, ITM and peripheral nerve blocks (PNB), provides superior analgesia to ITM alone.

Thus, this study aims to determine whether ITM alone or its combination with PNB provides better analgesia for patients undergoing total knee arthroplasty (TKA).

Eligible patients undergoing unilateral TKA under spinal anesthesia consenting to a multimodal analgesic regimen inclusive of ITM, FNB, and SNB will be recruited. All patients will receive spinal with intrathecal morphine. Patients will be randomly assigned using a computer generated table of random numbers to receive either spinal with intrathecal morphine (morphine group), a combination of intrathecal morphine and femoral nerve block (morphine-femoral group), or a combination of intrathecal morphine and femoral nerve block as well as sciatic nerve block (morphine-femoral-sciatic group). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02135120
Study type Interventional
Source American University of Beirut Medical Center
Contact
Status Completed
Phase N/A
Start date March 2013
Completion date February 2017
View Details
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