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Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

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Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
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Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

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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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Longitudinal Research02:20

Longitudinal Research

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Lung Capacity01:47

Lung Capacity

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The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
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Factors Affecting Pulmonary Ventilation01:19

Factors Affecting Pulmonary Ventilation

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Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
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Related Experiment Video

Updated: Mar 13, 2026

An Air-liquid Interface Bronchial Epithelial Model for Realistic, Repeated Inhalation Exposure to Airborne Particles for Toxicity Testing
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Lung function in asphalt pavers: a longitudinal study.

Bente Ulvestad1, Britt Grethe Randem2, Øivind Skare3

  • 1National Institute of Occupational Health, Oslo, Norway. bente.ulvestad@stami.no.

International Archives of Occupational and Environmental Health
|October 11, 2016
PubMed
Summary
This summary is machine-generated.

Asphalt pavers show accelerated lung function decline, particularly in forced vital capacity (FVC) and forced expiratory volume in 1 second (FEV1), compared to road workers. This suggests asphalt fumes may cause adverse pulmonary effects, necessitating improved exposure prevention.

Keywords:
Asphalt fumesHRCTOil mistSpirometry

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Area of Science:

  • Occupational Health
  • Pulmonary Medicine
  • Environmental Health

Background:

  • Asphalt paving involves exposure to fumes, with potential respiratory health risks.
  • Longitudinal studies are crucial for understanding chronic occupational exposures and their impact on lung function.

Purpose of the Study:

  • To assess longitudinal lung function changes in asphalt pavers versus road maintenance workers.
  • To identify early signs of lung disease using high-resolution computed tomography (HRCT) in asphalt pavers.

Main Methods:

  • Follow-up study with questionnaires and lung function measurements (FVC, FEV1) over time.
  • HRCT scans performed on asphalt pavers at the study's end.
  • Comparison of lung function decline between asphalt pavers and a reference group.

Main Results:

  • Asphalt pavers exhibited a significant excess annual decline in FVC (58 ml) and FEV1 (35 ml) compared to controls.
  • Screedmen, the most exposed subgroup, showed a greater FVC decline.
  • HRCT revealed fine intralobular fibrosis in 4% of asphalt pavers.

Conclusions:

  • Findings suggest asphalt fumes contribute to accelerated lung function decline (FVC, FEV1).
  • The screedmen subgroup experienced the most pronounced lung function deterioration.
  • Adverse pulmonary effects highlight the need for technological solutions to reduce asphalt paver exposure.