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Obturator Nerve Block With Femoral and Sciatic Block

This study has been completed.
Information provided by:
Saint Francis Care Identifier:
First received: August 2, 2011
Last updated: August 3, 2011
Last verified: October 2008
The purpose of this study is to evaluate how many patients require the addition of the obturator nerve block in the recovery room after the total knee surgery. Also to study the efficacy of blocking the obturator nerve in controlling their knee pain.

Condition Intervention
Nerve Block; Pain Medication Procedure: Oburator Nerve block Procedure: Sham Injection in pectineus muscle.

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single Blind (Participant)
Primary Purpose: Treatment
Official Title: Is an Obturator Nerve Block Required for Every Patient Having Total Knee Arthroplasty With Femoral and Sciatic Nerve Block?

Further study details as provided by Saint Francis Care:

Primary Outcome Measures:
  • To assess the use of obturator Nerve block for patients undergoing total knee arthroplasty [ Time Frame: 15 minutes in recovery room post operatively ]
    The need for rescue obturator nerve block in total knee arthoplasty patients who have sucessful femoral nerve block and sciatic nerve block in place.

Secondary Outcome Measures:
  • Pain medication use intra-operatively and in the recovery room after surgery. Pain scores in recovery room. [ Time Frame: During surgery and until discharge from recovery room. ]

Enrollment: 16
Study Start Date: October 2008
Study Completion Date: July 2009
Primary Completion Date: June 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: True Obturator Nerve Block Procedure: Oburator Nerve block
Use of selective pain block.
Sham Comparator: Sham Block Procedure: Sham Injection in pectineus muscle.
Five minutes after the sham block pain was assessed in these patients. If pain score was 5 or greater a true obturator nerve block was performed on these patients.


Ages Eligible for Study:   18 Years to 85 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • total knee replacement

Exclusion Criteria:

  • Hisory of neurologica disease, diabetes, pregnancy, neuropathy
  Contacts and Locations
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Please refer to this study by its identifier: NCT01409460

United States, Connecticut
Saint Francis Hospital and Medical Center
Hartford, Connecticut, United States, 06105
Sponsors and Collaborators
Saint Francis Care
  More Information

Responsible Party: Sanjay Sinha, Saint Francis Hospital Identifier: NCT01409460     History of Changes
Other Study ID Numbers: 08-10-003
Study First Received: August 2, 2011
Last Updated: August 3, 2011 processed this record on August 16, 2017