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[Computerized digital thermometry in Raynaud's disease. Personal experience]

E Ponte1, D Cafagna, S Cattinelli

  • 1Cattedra di Angiologia, Università degli Studi, Trieste.

Minerva Medica
|November 24, 1998
PubMed
Summary

Computerized digital thermometry shows good sensitivity for diagnosing Raynaud's disease but lacks specificity, failing to reliably distinguish between symptomatic and asymptomatic individuals.

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Area of Science:

  • Vascular Medicine
  • Diagnostic Imaging
  • Medical Thermography

Background:

  • Raynaud's disease is characterized by reduced finger temperature and delayed recovery.
  • Computerized digital thermometry is employed for instrumental diagnosis.
  • The technique involves measuring finger temperatures during a cold test.

Purpose of the Study:

  • To assess the utility of computerized digital thermometry in diagnosing vasospastic ischemic disease.
  • To evaluate the correlation between clinical presentation and instrumental findings in Raynaud's disease.

Main Methods:

  • 66 subjects were examined, including 19 asymptomatic controls and 47 symptomatic individuals.
  • A cold test involving cooling to 10°C was performed.
  • Finger temperatures were monitored minute-by-minute up to 25 minutes post-cooling.

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Main Results:

  • No strong correlation was found between clinical symptoms and thermometry results.
  • 31.5% of asymptomatic subjects exhibited abnormal test reactions.
  • 38.5% of symptomatic, older female subjects showed normal instrumental patterns.

Conclusions:

  • Computerized digital thermometry demonstrates high sensitivity in detecting thermal abnormalities.
  • The specificity of the technique is limited, hindering definitive diagnosis of Raynaud's disease.
  • Instrumental parameters failed to reliably differentiate Raynaud's patients from healthy individuals.