Intra- Versus Extraarticular Injection of Ropivacaine in Total Knee Arthroplasty

The recruitment status of this study is unknown because the information has not been verified recently.
Verified March 2009 by Hvidovre University Hospital.
Recruitment status was  Recruiting
Information provided by:
Hvidovre University Hospital Identifier:
First received: February 28, 2008
Last updated: March 17, 2009
Last verified: March 2009
The purpose of this study is to evaluate the optimal site for application of local anesthetics in total knee arthroplasty surgery. The hypothesis is, that improved pain relief is obtained when administering local anesthetics in the tissues sourrounding the knee joint compared to the knee joint itself.

Condition Intervention Phase
Pain, Postoperative
Drug: intraarticular injection with ropivacaine
Drug: extraarticular injection with ropivacaine
Phase 4

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Intraartikulær Versus ekstraartikulær Bolus Injektion Med Ropivacain Ved Total knæalloplastik: et Prospektivt, Randomiseret, Dobbeltblindet, Kontrolleret Studie

Resource links provided by NLM:

Further study details as provided by Hvidovre University Hospital:

Primary Outcome Measures:
  • pain [ Time Frame: 48 hours ] [ Designated as safety issue: No ]

Estimated Enrollment: 60
Study Start Date: January 2008
Estimated Study Completion Date: July 2008
Estimated Primary Completion Date: July 2008 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: 1
intraarticular injection with local anesthetic
Drug: intraarticular injection with ropivacaine
Experimental: 2
intracapsular injection with local anesthetic
Drug: extraarticular injection with ropivacaine


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • eligible for elective total knee arthroplasty
  • able to speak and understand Danish
  • able to give informed consent

Exclusion Criteria:

  • alocohol or medical abuse
  • allergies to local anesthetics
  • age < 18 yrs.
  • intolerance to opioids
  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.

Please refer to this study by its identifier: NCT00632580

Hvidovre University Hospital Recruiting
Copenhagen, Denmark, 2650
Contact: Lasse Andersen, MD    +45 36323125   
Principal Investigator: Lasse Andersen, MD         
Sponsors and Collaborators
Hvidovre University Hospital
Principal Investigator: Lasse Andersen, MD Hvidovre University Hospital
  More Information

Responsible Party: Hvidovre University Hospital, Department of Anesthesia Identifier: NCT00632580     History of Changes
Other Study ID Numbers: H-D-2007-0079 
Study First Received: February 28, 2008
Last Updated: March 17, 2009
Health Authority: Denmark: Ethics Committee
Denmark: Danish Dataprotection Agency

Keywords provided by Hvidovre University Hospital:
Pain, Postoperative

Additional relevant MeSH terms:
Pain, Postoperative
Nervous System Diseases
Neurologic Manifestations
Pathologic Processes
Postoperative Complications
Signs and Symptoms
Anesthetics, Local
Central Nervous System Depressants
Peripheral Nervous System Agents
Physiological Effects of Drugs
Sensory System Agents processed this record on May 25, 2016