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Open Versus Arthroscopic Release for Lateral Patellar Compression Syndrome: Comparative Study

Sponsor
Hawler Medical University (Other)
Overall Status
Completed
CT.gov ID
NCT04130412
Collaborator
(none)
80
Enrollment
2
Arms
44.7
Actual Duration (Months)

Study Details

Study Description

Brief Summary

Chronic anterior knee pain with a stable patella is often associated with overload and increased pressure on the lateral facet due to pathologic lateral soft-tissue restraints. "Lateral pressure in flexion" is a term describing the pathologic process of increasing contact pressure over the lateral patellar facet as knee flexion progresses. Eighty patients were involved in this study, and it was divided into 2 random groups; Group A (40 patients)(odd number) were treated with open release after diagnostic arthroscopy and Group B (40 patients)(even number) were treated by arthroscopic release. All these patients are diagnosed as lateral patellar compression syndrome depending on clinical features, MRI and diagnostic arthroscopy. All patients were followed by Lysholm knee scaling score before surgery and two weeks , six weeks then 6 months after surgery.

Condition or Disease Intervention/Treatment Phase
  • Procedure: open release
 N/A

Detailed Description

This study was done by two orthopedic surgeons working in three hospitals from March 2016 to April 2018, Eighty patients were involved in this study, and it was divided into 2 matched groups; Group A (40 patients) were treated with open release after diagnostic arthroscopy and Group B (40 patients) were treated by arthroscopic release. All these patients are diagnosed as lateral patellar compression syndrome depending on clinical features, MRI ( figure 1)and diagnostic arthroscopy. All patients were followed by Lysol knee scaling score before surgery , two weeks , six weeks then 6 months after surgery. The two groups are matched related to age and gender. 52 patients are females and age ranged from 21-48 years.

Exclusion criteria are 1. Smoking 2.Patellar instability 3. D.M 4. Knee osteoarthritis 5. Previous knee surgery 6. Knee deformities involving Varus , valgus or recurvatum 7. Ligament laxity

Study Design

Study Type:
Interventional
Actual Enrollment :
80 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
None (Open Label)
Primary Purpose:
Treatment
Official Title:
Open Versus Arthroscopic Release for Lateral Patellar Compression Syndrome: Comparative Study
Actual Study Start Date :
Mar 5, 2016
Actual Primary Completion Date :
Nov 10, 2019
Actual Study Completion Date :
Nov 25, 2019

Arms and Interventions

Arm Intervention/Treatment
Active Comparator: Open release of lateral retinaculae

This group was treated by open release of lateral retinaculae after diagnosis of lateral compression syndrome by arthroscopy

Procedure: open release
Open release of lateral retinaculae
Other Names:
  • Arthroscopic release

    		•
    Active Comparator: Arthroscopic release of lateral retinaculae

    This group was treated by arthroscopic release

    Procedure: open release
    Open release of lateral retinaculae
    Other Names:
  • Arthroscopic release

    		•

    Outcome Measures

    Primary Outcome Measures

    1. Lysholm knee scaling score [All patients were followed by Lysholm knee scaling score 6 months after surgery.]

      Measurement of knee pain and daily activities

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    25 Years to 46 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    No
    Inclusion Criteria:
    • All these patients are diagnosed as lateral patellar compression syndrome depending on clinical features, MRI and diagnostic arthroscopy.
    Exclusion Criteria:

    1. Smoking

    2. Patellar instability

    3. D.M 4. Knee osteoarthritis

    4. Previous knee surgery 6. Knee deformities involving Varus , valgus or recurvatum 7. Ligament laxity

    Contacts and Locations

    Locations

    No locations specified.

    Sponsors and Collaborators

    • Hawler Medical University

    Investigators

    None specified.

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    Sherwan Ahmed Ali Hamawandi, Assistant professor of orthopedic surgery, Hawler Medical University
    ClinicalTrials.gov Identifier:
    NCT04130412
    Other Study ID Numbers:
    • HMU/Sherwan5
    First Posted:
    Oct 17, 2019
    Last Update Posted:
    Jun 4, 2020
    Last Verified:
    Jun 1, 2020
    Individual Participant Data (IPD) Sharing Statement:
    No
    Plan to Share IPD:
    No
    Studies a U.S. FDA-regulated Drug Product:
    No
    Studies a U.S. FDA-regulated Device Product:
    No
    Keywords provided by Sherwan Ahmed Ali Hamawandi, Assistant professor of orthopedic surgery, Hawler Medical University
    Lateral patellar compression syndrome
    Arthroscopic release
    Open release
    Additional relevant MeSH terms:
    Syndrome

    Study Results

    No Results Posted as of Jun 4, 2020