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Author Spotlight: Enhancing Diagnostic Strategies and Biomarker Development for Comprehensive Lung Function Analysis
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Lung function change in hyperbaric chamber inside attendants.

Peachapong Poolpol1,2, Pornchai Sithisarankul3, Thanapoom Rattananupong2

  • 1Maritime Medicine Residency Training Institute, Naval Medical Department, Royal Thai Navy, Bangkok, Thailand.

International Maritime Health
|June 26, 2019
PubMed
Summary
This summary is machine-generated.

Hyperbaric attendants experience decreased lung function over time, with reductions in FEV1, FEF25-75%, and FEV1/FVC ratio. Exposure duration and depth correlate with these adverse effects, highlighting the need for monitoring.

Keywords:
hyperbaric attendanthyperbaric chambershyperbaric inside attendantlung functionpulmonary function

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Area of Science:

  • Occupational Health
  • Pulmonology
  • Hyperbaric Medicine

Background:

  • Hyperbaric oxygen therapy is increasingly used for non-diving related conditions in Thailand.
  • Hyperbaric inside attendants (HIAs) work in high-pressure environments, necessitating an understanding of potential health impacts.
  • This study focuses on the long-term pulmonary effects experienced by HIAs.

Purpose of the Study:

  • To investigate the longitudinal changes in lung function among HIAs.
  • To determine the relationship between hyperbaric exposure parameters and lung function decline.
  • To compare the lung function of HIAs with predicted values for the Thai population.

Main Methods:

  • A retrospective longitudinal study design was employed.
  • Data from HIAs with at least two lung function tests and a minimum one-year interval were analyzed.
  • Lung function parameters were compared against reference values for the Thai population.

Main Results:

  • Over a mean follow-up of 9.26 years, HIAs showed significant annual decreases in forced expiratory volume in 1 second (FEV1), forced expiratory flow at 25-75% of functional vital capacity (FEF25-75%), and the FEV1/FVC ratio.
  • Annual reductions were 22.52 mL/year for FEV1, 44.92 mL/s/year for FEF25-75%, and 0.48%/year for FEV1/FVC ratio.
  • Working depths, session duration, and total hours were associated with lung function changes.

Conclusions:

  • Working within a hyperbaric environment negatively impacts the lung function of HIAs.
  • Periodic lung function assessments are crucial for monitoring potential harm to attendants.
  • Fitness-to-work evaluations should be implemented alongside regular health monitoring.