Not Yet RecruitingPhase 3ACTRN12607000640404

Prospective trial of selective ultrasound-guided obturator nerve blockade for total knee replacement.

Prospective trial on efficacy of selective ultrasound-guided obturator nerve blockade for total knee replacement

Sponsor

Timothy Lee

Enrollment

40 participants

Start Date

Feb 1, 2008

Study Type

Interventional

Conditions

Patients undergoing unilateral total knee replacement.

Summary

Prospective trial of selective ultrasound-guided obturator block to determine its efficacy in providing analgesia following total knee joint replacement.

Eligibility

Sex: Both males and femalesMin Age: 18 Yearss

Inclusion Criteria2

Undergoing unilateral total knee replacement.
Communicative in English.

Exclusion Criteria2

Without preexisting lower limb neurological deficits.
Without opioid tolerance.

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Interventions

Selective ultrasound-guided obturator nerve blockade performed preoperatively (using ropivacaine 37.5-75mg), in addition to continuous femoral nerve blockade (ropivacaine 75-150mg) and spinal anaesthesia (isobaric bupivacaine 15-20mg). Postoperative analgesia provided by femoral nerve local anaesthetic infusion (ropivacaine 16-24mg/hr), and morphine patient-controlled analgesia device (morphine 1mg bolus at 5min lockout).

Locations(1)

Australia

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ACTRN12607000640404