Accuracy of the Transpatellar Tendon Approach to Knee Arthrocentesis
|ClinicalTrials.gov Identifier: NCT00888368|
Recruitment Status : Completed
First Posted : April 27, 2009
Last Update Posted : July 13, 2012
The purpose of this study is:
- To determine the accuracy of intraarticular placement with the transpatellar tendon approach as compared to the suprapatellar approach. Patients undergoing knee arthroscopy will be consented for study of the injection of the fluid into the joint prior to portal placement or commencement of knee replacement. Patients will be randomized to receive injections via the transpatellar tendon or superolateral approach. Using injectable contrast and fluoroscopy, the placement of injections into the knee will be evaluated for accuracy. Injection attempts with contrast fluid that uniformly coats the articular surface on sagittal and coronal radiographs will be counted as successful. A concentration of contrast fluid in extraarticular fat will be counted as a failure.
Hypothesis: The rate of accuracy of intraarticular placement of the needle tip via the transpatellar tendon approach to knee aspiration is greater than that of the superolateral approach.
- To determine the distribution of contrast material with the transpatellar tendon and superolateral apporaches. Using a previously described evaluation technique of dividing the knee into seven compartments, sagittal and coronal fluoroscopy images will be evaluated to determine the distribution of contrast fluid.
Hypothesis: Contrast injected into the knee via the trasnpatellar tendon approach will penetrate as many compartments of the knee as contrast injected via the superolateral approach.
|Condition or disease||Intervention/treatment|
|Knee Aspiration||Procedure: Transpatellar Approach Procedure: Suprapatellar|
|Study Type :||Interventional (Clinical Trial)|
|Actual Enrollment :||20 participants|
|Intervention Model:||Parallel Assignment|
|Study Start Date :||January 2008|
|Primary Completion Date :||August 2009|
|Study Completion Date :||August 2009|
|Experimental: Transpatellar Approach||
Procedure: Transpatellar Approach
The transpateller approach for the injection of the dye will be used.
|Active Comparator: Suprapatellar Approach||
The suprapatellar approach will be used for the injection of the dye.
- The development of an easier approach to aspirating the knee may lead to improved accuracy of intraarticular needle placement by less experienced practitioners and more "anatomically difficult" knees. [ Time Frame: 1 time (intraop) ]
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00888368
|United States, Colorado|
|Denver Health Medical Center|
|Denver, Colorado, United States, 80204|