Femoral or Sciatic Nerve Block to Provide Analgesia After Proximal Tibial Osteotomy

Centre Hospitalier Universitaire Vaudois50 enrolled

Overview

Proximal tibial osteotomy is associated with moderate to severe postoperative pain. The proximal part of the tibia is innervated by branches from the femoral nerve anteriorly and the sciatic nerve posteriorly. Little is known on the type of peripheral nerve block to perform so that optimal postoperative analgesia is provided with minimum impact on the motor function. This randomised controlled double-blinded trial tested the hypothesis that a femoral nerve block provides superior analgesia than a sciatic nerve block after proximal tibial osteotomy.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

TRIPLE

Enrollment

Conditions

Postoperative Pain

Interventions

Femoral nerve block with ropivacaine 0.5%, 20 mlPROCEDURE

Femoral nerve block under ultrasound guidance with ropivacaine 0.5%, 20 ml

Sciatic nerve block with ropivacaine 0.5%, 20 mlPROCEDURE

Sciatic nerve block under ultrasound guidance with ropivacaine 0.5%, 20 ml

Eligibility

Sex: ALLMin age: 18 YearsMax age: 70 Years

Medical Language ↔ Plain English

Inclusion Criteria: * proximal tibial osteotomy Exclusion Criteria: * femoral or sciatic nerve deficit, * pre-existing peripheral neuropathy, * chronic pain diagnosis, * pregnancy, * identified contraindications to peripheral nerve block (e.g., local anesthetic allergy, coagulopathy, or infection at the block site).

Locations (1)

University Hospital of Lausanne

Lausanne, Canton of Vaud, Switzerland

Outcomes

Primary Outcomes

Intravenous morphine consumption

Intravenous morphine consumption (mg)

Time frame: 24 hours after surgery

Secondary Outcomes

Intravenous morphine consumption

Intravenous morphine consumption (mg)

Time frame: 2 hours after surgery

Intravenous morphine consumption

Intravenous morphine consumption (mg)

Time frame: 48 hours after surgery

rest pain score

pain score at rest (visual analogue scale, 0-10)

Time frame: 2 hours after surgery

rest pain score

pain score at rest (visual analogue scale, 0-10)

Time frame: 24 hours after surgery

rest pain score

pain score at rest (visual analogue scale, 0-10)

Time frame: 48 hours after surgery

dynamic pain score

pain score on movement (visual analogue scale, 0-10)

Time frame: 2 hours after surgery

dynamic pain score

pain score on movement (visual analogue scale, 0-10)

Time frame: 24 hours after surgery

dynamic pain score

pain score on movement (visual analogue scale, 0-10)

Data from ClinicalTrials.gov

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