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The Recovery Time of Quadriceps Strength After Total Knee Arthroplasty (TKA): The Effect of Quadriceps Incision Length

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ClinicalTrials.gov Identifier: NCT01450904
Recruitment Status : Completed
First Posted : October 12, 2011
Last Update Posted : October 12, 2011
Sponsor:
Information provided by (Responsible Party):
Mahidol University

Brief Summary:
Minimally invasive total knee arthroplasty (MIS-TKA) became the popular technique. It had the less postoperative pain and shorter recovery time compared to the conventional technique. With using MIS technique, less cut of quadriceps tendon was the key. It related to keep more quadriceps strength and improve functional performance after TKA. However, there was no previous studies about the effect of quadriceps incision length in the recovery time of the quadriceps strength. The investigators hypothesized that longer quadriceps incision affected the longer recovery time of quadriceps strength in MIS-TKA.

Condition or disease Intervention/treatment Phase
Osteoarthritis of Knee Procedure: Quadriceps incision < 2 cm Procedure: Quadriceps incision 2-4 cm Procedure: Quadriceps incision > 4 cm Not Applicable

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 60 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: The Recovery Time of Quadriceps Strength After Total Knee Arthroplasty: The Effect of Quadriceps Incision Length
Study Start Date : April 2011
Actual Primary Completion Date : October 2011
Actual Study Completion Date : October 2011

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Knee Replacement

Arm Intervention/treatment
Experimental: Group A
The length of Quadriceps incision was less than 2 cm.
Procedure: Quadriceps incision < 2 cm
MIS-TKA was performed with less than 2 cm Quadriceps incision length

Experimental: Group B
The length of Quadriceps incision was 2 to 4 cm.
Procedure: Quadriceps incision 2-4 cm
MIS-TKA was performed with 2 to 4 cm Quadriceps incision length

Experimental: Group C
The length of Quadriceps incision was more than 4 cm.
Procedure: Quadriceps incision > 4 cm
MIS-TKA was performed with more than 4 cm Quadriceps incision length




Primary Outcome Measures :
  1. The recovery time of Quadriceps strength [ Time Frame: Upto 6 months ]
    Quadriceps strength was tested every month postoperatively, Recovery time was the amount of months which the Quadriceps strength returned to preoperative level.



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Ages Eligible for Study:   40 Years to 85 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • The patients who diagnosed primary osteoarthritis of knee with

    1. varus or valgus deformity < 20 degrees
    2. preoperative range of motion > 90 degrees
    3. extension lag < 10 degrees
    4. Flexion contracture < 30 degrees

Exclusion Criteria:

  • Bilateral simultaneous total knee arthroplasty
  • Previous knee surgery
  • Inadequate exposure during the surgery

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01450904


Sponsors and Collaborators
Mahidol University
Investigators
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Principal Investigator: Keerati Charoencholvanich, MD Mahidol University
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Responsible Party: Mahidol University
ClinicalTrials.gov Identifier: NCT01450904    
Other Study ID Numbers: Si051/2554(EC2)
First Posted: October 12, 2011    Key Record Dates
Last Update Posted: October 12, 2011
Last Verified: October 2011
Additional relevant MeSH terms:
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Osteoarthritis, Knee
Osteoarthritis
Arthritis
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases