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[Spontaneous pneumothorax and atmospheric pressure]
M M Morales Suárez-Varela1, P Plaza Valía, J L Martínez Giménez
1Unidad de Salud Pública, Higiene y Sanidad Ambiental, Departamento de Medicina Preventiva, Universitat de Valencia, Unidad de Investigación Clínico-Epidemiológica, Hospital Universitario Dr. Peset, Valencia, Spain.
Unusual atmospheric pressure changes may trigger spontaneous pneumothorax (SP). This study found a 2.7 relative risk of SP following significant atmospheric pressure fluctuations, suggesting a link between weather and SP onset.
Area of Science:
- Environmental Medicine
- Pulmonology
Context:
- Spontaneous pneumothorax (SP) etiology is multifactorial and not fully understood.
- Climatic changes are suspected triggers for SP episodes.
Purpose:
- To investigate the association between unusual atmospheric pressure (AP) changes and the occurrence of spontaneous pneumothorax.
- To quantify the risk of SP following significant AP fluctuations.
Summary:
- A prospective study analyzed 62 SP episodes over two years, correlating them with daily unusual AP changes (above 95th or below 5th percentile).
- Seventy-seven unusual AP changes were recorded; 17 preceded 8 SP episodes within five days.
- A relative risk (RR) of 2.7 (1.6-4.4) was calculated, indicating a significant association.
Impact:
- Findings suggest that abrupt atmospheric pressure shifts are a relevant factor in triggering spontaneous pneumothorax.
- This research contributes to understanding environmental influences on respiratory emergencies.
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