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Related Experiment Videos

Scleroderma epidemiology.

Maureen D Mayes1

  • 1Department of Internal Medicine, Division of Rheumatology and Clinical Immunogenetics, University of Texas Houston Health Science Center, 6431 Fannin Street, MSB 5.270, Houston, TX 77030, USA. maureen.d.mayes@uth.tmc.edu

Rheumatic Diseases Clinics of North America
|July 5, 2003
PubMed
Summary
This summary is machine-generated.

Systemic sclerosis (SSc) affects specific populations, with higher incidence in the US than other regions. Improved survival is noted, but pulmonary disease is a leading cause of death, influenced by genetic and environmental factors.

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Area of Science:

  • Epidemiology
  • Rheumatology
  • Genetics

Background:

  • Systemic sclerosis (SSc) exhibits non-random population distribution with identifiable at-risk groups.
  • Current US incidence is ~20/million/year, with stable prevalence (~240/million) over two decades.
  • SSc appears more frequent in the US compared to Europe, UK, and parts of Asia.

Purpose of the Study:

  • To review epidemiological data on systemic sclerosis (SSc).
  • To identify risk factors, survival trends, and mortality causes.
  • To explore potential genetic, hormonal, and environmental influences on SSc.

Main Methods:

  • Analysis of population-based incidence and prevalence data.
  • Review of survival statistics and mortality causes.
  • Examination of demographic factors including race, sex, and reproductive history.
  • Investigation of geographic and familial clustering patterns.

Main Results:

  • Overall survival has improved, averaging 12 years post-diagnosis.
  • Pulmonary and cardiac diseases are major causes of mortality; renal disease contributes to early deaths.
  • Women are more frequently affected; racial disparities exist, with higher incidence and diffuse disease in Black women.
  • Age at onset for diffuse SSc is younger than limited SSc; survival is poorer for Black women due to diffuse disease prevalence.
  • Geographic and familial clustering suggest a significant genetic component.

Conclusions:

  • Systemic sclerosis (SSc) pathogenesis likely involves a complex interplay of genetic predisposition, hormonal factors, and environmental triggers.
  • Understanding these factors is crucial for targeted prevention and treatment strategies.
  • Further research into genetic and environmental interactions is warranted to elucidate SSc etiology.