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Local factors in osteoarthritis.

L Sharma1

  • 1Division of Rheumatology, Northwestern University Medical School, Chicago, Illinois 60611, USA. L-SHARMA@northwestern.edu

Current Opinion in Rheumatology
|October 18, 2001
PubMed
Summary

This review examines local factors influencing osteoarthritis (OA) development. Understanding joint-specific, intrinsic, and extrinsic factors is key to preventing OA and modifying its course.

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Area of Science:

  • Epidemiology
  • Rheumatology
  • Orthopedics

Background:

  • Osteoarthritis (OA) is multifactorial, involving systemic susceptibility and local factors.
  • Local factors, specific to joint site and compartment, are increasingly studied.
  • Epidemiologic investigations are crucial for understanding OA natural history.

Purpose of the Study:

  • To review epidemiologic studies on local factors in osteoarthritis.
  • To differentiate between extrinsic and intrinsic local factors.
  • To highlight the role of local factors in OA prevention and management.

Main Methods:

  • Review of epidemiologic literature on osteoarthritis.
  • Categorization of local factors into extrinsic (e.g., physical activity, injury) and intrinsic (e.g., alignment, strength, laxity, proprioception).

Main Results:

  • Historically, extrinsic local factors received more attention.
  • Recent research increasingly focuses on intrinsic local factors.
  • Local factors can initiate vicious cycles contributing to OA progression.

Conclusions:

  • Local factors play a significant role in osteoarthritis etiology and progression.
  • Understanding these factors can lead to targeted prevention and treatment strategies.
  • Interventions targeting local factors may effectively modify OA course.

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