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Evaluation of Efficacy of Lumbar Plexus Bloc After Hip Surgery

This study has been completed.
Information provided by:
University Hospital, Angers Identifier:
First received: September 7, 2005
Last updated: NA
Last verified: September 2005
History: No changes posted

Compare lumbar plexus block with ropivacaine 0.475%, 0.4 ml/kg to saline. Each group randomized, includes 30 patients. block performed preoperatively Surgery under general anesthesia. Postoperative evaluation of pain (VAS) as first endpoint, and also morphine consumption via PCA device. Follow-up : 24h.

Expectation : sizeable reduction of pain with block, of duration.

Condition Intervention
Drug: ropivacaine

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: Study of Posterior Lumbar Plexus Block for Pain Relief After Hip Surgery

Resource links provided by NLM:

Further study details as provided by University Hospital, Angers:

Primary Outcome Measures:
  • decrease of postoperative pain

Secondary Outcome Measures:
  • decrease in morphine consumption
  • duraration of analgesic effect

Estimated Enrollment: 60
Study Start Date: September 2001
Estimated Study Completion Date: March 2002
Detailed Description:

Compare lumbar plexus block (randomized)

  • ropivacaine 0.475%, 0.4 ml/kg
  • saline 0.4 ml/kg . Each group includes 30 patients.

Block performed preoperatively.

Surgery under general anesthesia (sufentanil, propofol, atracurium ; maintenance : sevoflurane and nitrous oxide in O2. Sufentanil added peroperatively as clinically needed.

Postoperative evaluation of pain (VAS, by an independant blind observer) as first endpoint, and also morphine consumption via PCA device.

Adverse effects (nausea, vomiting, etc) recorded

Follow-up : 24h. Expectation : sizeable reduction of pain with block, of duration.


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

Inclusion Criteria:

  • adults
  • ASA 1-3

Exclusion Criteria:

  • cognitive impairement
  • ASA IV
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Please refer to this study by its identifier: NCT00150865

Sponsors and Collaborators
University Hospital, Angers
Study Director: laurent beydon, MD University Hospital, Angers
Principal Investigator: ibrahim okais, MD Clinique St Leonard
  More Information Identifier: NCT00150865     History of Changes
Other Study ID Numbers: CP 02-01
Study First Received: September 7, 2005
Last Updated: September 7, 2005

Keywords provided by University Hospital, Angers:
posterior lumbar plexus block
hip arthroplasy

Additional relevant MeSH terms:
Anesthetics, Local
Central Nervous System Depressants
Physiological Effects of Drugs
Sensory System Agents
Peripheral Nervous System Agents processed this record on April 28, 2017