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Related Concept Videos

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Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
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Asthma-IV: Diagnostic and Management01:30

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Pulmonary Function Tests01:25

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Pulmonary Function Tests (PFTs)
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SPIROMICS HF: Rationale, Design, and Reproducibility of Measures.

R Graham Barr1,2, Joao A C Lima3, Martin R Prince4,5

  • 1Department of Medicine (R,G.B., D.S.), Columbia University Irving Medical Center, New York, NY.

Circulation. Heart Failure
|November 5, 2025
PubMed
Summary
This summary is machine-generated.

The SPIROMICS HF study investigated the links between chronic obstructive pulmonary disease (COPD) and heart failure, revealing key cardiopulmonary interactions. Findings will help target treatments for combined heart and lung conditions.

Keywords:
bronchitis, chronicfibrosisheart failurehypertension, pulmonarypulmonary disease, chronic obstructivepulmonary emphysema

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Area of Science:

  • Cardiology
  • Pulmonology
  • Medical Imaging

Background:

  • Chronic obstructive pulmonary disease (COPD) and heart failure with preserved ejection fraction (HFpEF) frequently coexist, presenting overlapping clinical symptoms.
  • These conditions are often studied independently, hindering a comprehensive understanding of their interactions.
  • The SPIROMICS HF study addresses this gap by investigating the complex relationship between pulmonary and cardiovascular phenotypes.

Purpose of the Study:

  • To test hypotheses linking computed tomography (CT) emphysema subtypes to specific cardiovascular phenotypes like cor pulmonale.
  • To examine associations between airway branch variants and right heart dysfunction.
  • To identify signs of increased left ventricular afterload in individuals with preserved spirometry despite significant smoking history.

Main Methods:

  • Utilized data from the SPIROMICS multicenter observational study, focusing on participants from visit 5.
  • Employed comprehensive speckle-tracking echocardiography with physiological perturbations (leg raise, exercise) and cardiopulmonary magnetic resonance imaging (MRI) including myocardial fibrosis sequences.
  • Integrated CT scans for coronary artery calcium assessment and administered the Kansas City Cardiomyopathy Questionnaire.

Main Results:

  • The study included 753 participants: 57% with COPD (mild, moderate, severe), 18% with symptomatic preserved spirometry, 16% smoking controls, and 8% nonsmoking controls.
  • Demonstrated good-to-excellent reproducibility for speckle-tracking echocardiography, exercise echocardiography, and MRI measures, even in severe COPD.
  • Established a robust dataset for analyzing cardiopulmonary interactions.

Conclusions:

  • SPIROMICS HF successfully characterized cardiopulmonary interactions in COPD and related phenotypes.
  • The study provides a foundation for developing targeted treatments for combined cardiopulmonary failure.
  • Understanding these interactions is crucial for improving patient outcomes in complex cardiorespiratory diseases.