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Related Experiment Video

Updated: Sep 8, 2025

Anterior Cruciate Ligament Transection and Synovial Fluid Lavage in a Rodent Model to Study Joint Inflammation and Posttraumatic Osteoarthritis
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CLINICAL AND FUNCTIONAL ANALYSIS AFTER TOTAL KNEE ARTHROPLASTY.

Helder Rocha da Silva Araujo1,2, Renan Simoes Heyn1, Marcelo Rodrigues Torres1

  • 1Centro Estadual de Reabilitação e Readaptação Dr. Henrique Santillo, Goiânia, GO, Brazil.

Acta Ortopedica Brasileira
|June 13, 2022
PubMed
Summary

Total knee arthroplasty significantly improved pain, stiffness, physical activity, and quality of life for knee osteoarthritis patients. This surgical intervention offers positive outcomes for individuals suffering from this debilitating condition.

Keywords:
Arthroplasty, Replacement, KneeOsteoarthritisQuality of Life

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Area of Science:

  • Orthopedics
  • Rheumatology
  • Rehabilitation Medicine

Background:

  • Osteoarthritis is a leading cause of global disability.
  • Knee osteoarthritis significantly impacts patient mobility and quality of life.

Purpose of the Study:

  • To assess the effectiveness of Total Knee Arthroplasty (TKA) in managing knee osteoarthritis.
  • To evaluate patient-reported outcomes using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC).

Main Methods:

  • Prospective, non-randomized study involving patients with knee osteoarthritis requiring surgical treatment.
  • WOMAC index used for pre-operative and six-month post-operative assessment of pain, stiffness, physical function, and quality of life.
  • Analysis included comparison with patient demographics (age, gender, BMI) and knee deformity type.

Main Results:

  • Significant improvements observed in pain relief, joint stiffness, physical activity levels, and quality of life six months post-TKA.
  • WOMAC scores demonstrated a positive trend across all measured parameters.
  • The study included 58 patients undergoing unilateral TKA.

Conclusions:

  • Total Knee Arthroplasty is an effective treatment for improving the quality of life in patients with knee osteoarthritis.
  • The findings support TKA as a beneficial intervention for individuals experiencing significant knee osteoarthritis symptoms.