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Related Concept Videos

Knee Joint01:23

Knee Joint

1.7K
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
1.7K

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Related Experiment Video

Updated: Jun 23, 2025

Tissue Collection and RNA Extraction from the Human Osteoarthritic Knee Joint
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[Total knee replacement in different age groups].

T Jianlu1, L Feng2, C Wentao3

  • 1Volgograd State Medical University, Volgograd, Russia.

Khirurgiia
|June 18, 2024
PubMed
Summary
This summary is machine-generated.

Total knee replacement improves pain and quality of life for all ages. However, younger patients (<55 years) experience more pain and lower quality of life post-surgery compared to older adults.

Keywords:
age groupsknee jointosteoarthritistotal knee replacement

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Rehabilitation Medicine

Context:

  • Knee osteoarthritis significantly impacts patient function and quality of life.
  • Total knee replacement (TKR) is a common surgical intervention for end-stage knee osteoarthritis.
  • Long-term outcomes of TKR across different age demographics require further investigation.

Purpose:

  • To evaluate the 1-year efficacy and quality of life outcomes following total knee replacement (TKR) across distinct age groups.
  • To compare functional recovery and pain reduction in younger versus older patients after TKR.
  • To identify age as a predictor of functional and quality of life outcomes post-TKR.

Summary:

  • A study of 134 patients undergoing unilateral primary TKR utilized the Knee injury and Osteoarthritis Outcome Score (KOOS) and SF-36 questionnaires.
  • Preoperatively, younger patients (<55 years) reported lower KOOS pain, function, and quality of life (QoL) scores.
  • One year post-TKR, younger patients demonstrated significantly poorer KOOS scores for pain, function, and QoL compared to older patients (>65 years). Age was a significant predictor of postoperative pain but not function.

Impact:

  • Total knee replacement demonstrates significant benefits in pain relief, functional improvement, and enhanced quality of life for all patient age groups.
  • Age-related disparities exist in preoperative expectations and postoperative outcomes, with younger patients experiencing more pronounced pain and diminished quality of life.
  • These findings can inform clinical practice, aiding in personalized patient counseling and expectation management prior to TKR surgery.