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Updated: Jun 6, 2026

Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians
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Published on: September 27, 2024

Characterizing and quantifying the symptomatic features of COPD exacerbations.

Paul W Jones1, Wen-Hung Chen2, Teresa K Wilcox2

  • 1From St. George's, University of London, London, England.

Chest
|November 13, 2010
PubMed
Summary

A new 14-item daily diary, the Exacerbations of Chronic Pulmonary Disease Tool (EXACT), effectively quantifies COPD exacerbation severity. This validated instrument aids in evaluating exacerbation frequency, severity, and duration for better patient management.

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Alternative Therapy for Acute Exacerbation of Chronic Obstructive Pulmonary Disease: Moving Cupping Along Meridians
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Published on: October 18, 2024

Area of Science:

  • Pulmonary Medicine
  • Clinical Research
  • Patient-Reported Outcomes

Background:

  • Chronic Obstructive Pulmonary Disease (COPD) exacerbations require standardized quantification.
  • Existing instruments lack comprehensive validation for assessing exacerbation frequency, severity, and duration.

Purpose of the Study:

  • To develop and validate a patient diary for quantifying COPD exacerbations.
  • To identify key symptom items characterizing exacerbations for improved clinical assessment.

Main Methods:

  • Administered 23 symptom items to 410 COPD patients (mean age 65 ± 10 years).
  • Employed item-level analyses, Rasch modeling, and factor analysis for item reduction.
  • Assessed internal consistency and unidimensionality of the selected items.

Main Results:

  • 14 symptom items were identified, forming a unidimensional measure of exacerbation severity.
  • The Exacerbations of Chronic Pulmonary Disease Tool (EXACT) demonstrated excellent internal consistency (PSI = 0.92).
  • Factor analysis revealed three domains: breathlessness, cough/sputum, and chest symptoms, explaining 68% of variance.

Conclusions:

  • COPD exacerbations represent a quantitative shift from the stable state.
  • The EXACT tool provides a valid and reliable method for detecting and quantifying exacerbation severity.
  • EXACT facilitates daily monitoring and assessment of COPD exacerbations.