Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

Comparison of the Success Rate of Two Approaches for Obturator Nerve Block in TURB (Conventional Pubic Approach [Labat Technique] and Inguinal Approach)

This study has been completed.
Information provided by:
Yonsei University Identifier:
First received: March 2, 2010
Last updated: March 3, 2010
Last verified: March 2010
The purpose of this study is to compare the success rate of two approaches for obturator nerve block in TURB (conventional pubic approach [Labat technique] and inguinal approach.

Condition Intervention
Nerve Block
Procedure: obturator nerve block

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Official Title: Comparison of the Success Rate of Two Approaches for Obturator Nerve Block in TURB (Conventional Pubic Approach [Labat Technique] and Inguinal Approach)

Further study details as provided by Yonsei University:

Primary Outcome Measures:
  • Assessment of obturator sign during using nerve stimulator and operation

Enrollment: 100
Study Start Date: June 2009
Study Completion Date: February 2010
Primary Completion Date: January 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: conventional pubic approach Procedure: obturator nerve block
Experimental: inguinal approach Procedure: obturator nerve block


Ages Eligible for Study:   20 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Scheduled to undergoing transurethral resection of bladder tumor during combined spinal anesthesia and obturator nerve block were included in the clinical study

Exclusion Criteria:

  • Patients with advanced cardiac and respiratory insufficiency
  • Allergy to local anesthetics
  • Preexisting neurologic deficits
  • Prior operation involving the hip and the inguinal region and bleeding tendency were excluded.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

No Contacts or Locations Provided
  More Information

Responsible Party: Hae Keum Kil/Professor, Yonsei University, College of Medicine Identifier: NCT01080599     History of Changes
Other Study ID Numbers: 4-2009-0137
Study First Received: March 2, 2010
Last Updated: March 3, 2010

Keywords provided by Yonsei University:
obturator nerve block in TURB processed this record on April 28, 2017