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

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Mahidol University
ClinicalTrials.gov Identifier:
NCT01450904
First received: October 6, 2011
Last updated: October 10, 2011
Last verified: October 2011

October 6, 2011
October 10, 2011
April 2011
October 2011   (final data collection date for primary outcome measure)
The recovery time of Quadriceps strength [ Time Frame: Upto 6 months ] [ Designated as safety issue: No ]
Quadriceps strength was tested every month postoperatively, Recovery time was the amount of months which the Quadriceps strength returned to preoperative level.
Same as current
Complete list of historical versions of study NCT01450904 on ClinicalTrials.gov Archive Site
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The Recovery Time of Quadriceps Strength After Total Knee Arthroplasty (TKA): The Effect of Quadriceps Incision Length
The Recovery Time of Quadriceps Strength After Total Knee Arthroplasty: The Effect of Quadriceps Incision Length

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.

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Interventional
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Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Outcomes Assessor)
Primary Purpose: Treatment
Osteoarthritis of Knee
  • Procedure: Quadriceps incision < 2 cm
    MIS-TKA was performed with less than 2 cm Quadriceps incision length
  • Procedure: Quadriceps incision 2-4 cm
    MIS-TKA was performed with 2 to 4 cm Quadriceps incision length
  • Procedure: Quadriceps incision > 4 cm
    MIS-TKA was performed with more than 4 cm Quadriceps incision length
  • Experimental: Group A
    The length of Quadriceps incision was less than 2 cm.
    Intervention: Procedure: Quadriceps incision < 2 cm
  • Experimental: Group B
    The length of Quadriceps incision was 2 to 4 cm.
    Intervention: Procedure: Quadriceps incision 2-4 cm
  • Experimental: Group C
    The length of Quadriceps incision was more than 4 cm.
    Intervention: Procedure: Quadriceps incision > 4 cm
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
60
October 2011
October 2011   (final data collection date for primary outcome measure)

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
Both
40 Years to 85 Years
No
Contact information is only displayed when the study is recruiting subjects
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NCT01450904
Si051/2554(EC2)
No
Mahidol University
Mahidol University
Not Provided
Principal Investigator: Keerati Charoencholvanich, MD Mahidol University
Mahidol University
October 2011

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP