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Related Experiment Videos

Diaphragmatic excursion after pleural sclerosis.

S H Loring1, S C Kurachek, M E Wohl

  • 1Department of Environmental Science and Physiology, Harvard School of Public Health, Boston.

Chest
|February 1, 1989
PubMed
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Chemical pleural sclerosis, a treatment for pneumothorax, was found to significantly reduce diaphragmatic excursion on the treated side. This finding suggests a potential impact on respiratory mechanics following the procedure.

Area of Science:

  • Pulmonology
  • Thoracic Surgery
  • Medical Imaging

Background:

  • Chemical sclerosis is a common method to prevent recurrent spontaneous pneumothorax.
  • The impact of pleural sclerosis on diaphragmatic function is not well understood.

Purpose of the Study:

  • To investigate the effect of unilateral chemical pleural sclerosis on diaphragmatic excursion.
  • To compare diaphragmatic excursion in patients with pleural sclerosis to normal subjects and those with other lung conditions.

Main Methods:

  • Diaphragmatic excursion was measured using ultrasonography.
  • Subjects included those with unilateral chemical pleural sclerosis, normal controls, cystic fibrosis patients, and post-surgical patients.

Main Results:

Related Experiment Videos

  • Unilateral chemical pleural sclerosis significantly reduced diaphragmatic excursion on the affected side (10.7 mm vs 17.3 mm).
  • Pulmonary disease and unilateral sclerosis increased side-to-side differences in diaphragmatic excursion compared to normal subjects.
  • No significant difference in diaphragmatic excursion was observed between the left and right sides in subjects without pleural disease history.

Conclusions:

  • Chemical pleural sclerosis leads to a measurable reduction in diaphragmatic excursion on the treated side.
  • The clinical significance of this reduced diaphragmatic excursion following pleural sclerosis requires further investigation.