THA Kinematics and Sound for Subjects Implanted Using Various Surgical Approaches
Completed
Conditions studied: Hip Injuries
In brief
In a previous study conducted within the Center for Musculoskeletal Research (CMR) on Total Hip Arthroplasties (THA), it was determined that the investigators could simultaneously capture in vivo sound and motion of the femoral head within the acetabular cup during weight-bearing activities for subjects implanted with either a metal-on-polyethylene (MOP), metal-on-metal (MOM) or ceramic-on-ceramic (COC) THA. This was the first study to apply sound analysis as an impulse excitation technique for testing hip conditions and for measuring femoral head sliding in the acetabular component of human hip joints by acoustic means. Unfortunately, no studies have been conducted to compare the in vivo kinematics and sound for subjects implanted using various surgical approaches. It could be hypothesized that subjects having various surgical approaches could lead to an increase or reduction of in vivo hip separation. Therefore, the objective of this study is to analyze a total of 30 subjects implanted with either an anterior (10 patients), anterior-lateral (10 patients), or posterior-lateral (10 patients) surgical approach to determine if any of these surgical approaches leads to less or more in vivo hip separation. All subjects will be analyzed under in vivo weight-bearing conditions using video fluoroscopy to determine in vivo motion.
Key facts
- Study ID
- NCT01833481
- Run by
- The University of Tennessee, Knoxville
- People needed
- 30
- Starts
- 2013-06-01
- Expected to finish
- 2014-09-01
- Last updated by the study team
- 2019-10-10
Who can join
Age: 40 and older, up to 85. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- Post-operative clinical evaluation judged successful using Harris Hip Scoring (HHS) system (HHS>90)
- Body weight less than 270 lbs
- No evidence of post-operative hip subluxation or dislocation
- Do not walk with detectable limp
- Be able to actively abduct their operated hip against gravity without difficulty
- Must be willing to sign Informed Consent and Health Insurance Portability and Accountability (HIPAA) forms
You may not qualify if…
- Pregnant, lactating or females not using reliable form of birth control
- Patients that do not meet study requirements
- Patients unwilling to sign Informed Consent or HIPAA forms
Where it is running
- University of Maryland St. Joseph Medical Center — Towson, Maryland, United States
- Valley Orthopedic Associates ASC — Renton, Washington, United States
- University Hospital — London, Ontario, Canada
Full record on ClinicalTrials.gov
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