Patellofemoral Pain After Unicondylar Knee Arthroplasty

NCT ID: NCT01407042

Last Updated: 2016-07-19

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

24 participants

Study Classification

OBSERVATIONAL

Study Start Date

2011-09-30

Brief Summary

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Unicondylar knee arthroplasty (UKA) is a proven procedure in patients suffering from unicompartmental knee osteoarthritis. Two different types of UKA design are available - both with different pros and cons. The so-called 'mobile-bearing UKA' requires the removal of an additional amount of cartilage and bone close to the implantat. It is unclear whether this is of clinical relevance.

We speculate that the amount of cartilage/bone removal is related to the clinical outcome of the UKA-surgery.

In patients receiving a mobile-bearing UKA that amount of cartilage/bone removal is measured during the surgery. The clinical success of the procedure will be determined with certain knee questionnaires (Kujala \& KOOS)preoperatively, 3 months postoperatively, 6 months postoperatively and 1 year postoperatively. Additionally, the so-called bone-remodelling around that area of resected cartilage and bone will be measured (SPECT-CT) postoperatively.

The three variables (removed amount of cartilage/bone; clinical success with regard to the questionnaires; bone remodelling) are then analyzed with statistical methods to find out potential assoziations among them.

Detailed Description

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Conditions

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Mobile-bearing Unicondylar Knee Arthroplasty

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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mb-UKA

Patients with unicondylar osteoarthritis of the knee

mobile-bearing unicondylar knee arthroplasty

Intervention Type PROCEDURE

mobile-bearing unicondylar knee arthroplasty

Interventions

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mobile-bearing unicondylar knee arthroplasty

mobile-bearing unicondylar knee arthroplasty

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

\- osteoarthritis or osteonecrosis in the medial or lateral tibiofemoral compartment

Exclusion Criteria

* failed upper tibial osteotomy
* insufficiency of the collateral or anterior cruciate ligaments
* a fixed varus or valgus deformity (not passively correctable) above 15°
* a flexion deformity greater than 15°
* rheumatoid arthritis
Minimum Eligible Age

18 Years

Maximum Eligible Age

99 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Medical University Innsbruck

OTHER

Sponsor Role lead

Responsible Party

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Michael Liebensteiner

MD, PhD

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Innsbruck Medical University

Innsbruck, , Austria

Site Status

Countries

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Austria

References

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Dammerer D, Liebensteiner M, Rochau H, Uprimny C, Smekal V, Rosenberger R, Servien E. Influence of the anterior notch in mobile-bearing UKA on patellofemoral radiotracer uptake and clinical outcome. BMC Musculoskelet Disord. 2017 Dec 16;18(1):532. doi: 10.1186/s12891-017-1885-6.

Reference Type DERIVED
PMID: 29246134 (View on PubMed)

Other Identifiers

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PFJ-UKA-1

Identifier Type: -

Identifier Source: org_study_id

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