Pulmonary vascular diseases at high altitude – is it safe to live in the mountains?

Author:

Titz Anna1,Hoyos Rodrigo2,Ulrich Silvia13

Affiliation:

1. University Hospital of Zurich

2. Hospital Carlos Andrade Marin, Quito, Ecuador

3. University of Zurich, Zurich, Switzerland

Abstract

Purpose of review This review addresses the concern of the health effects associated with high-altitude living and chronic hypoxia with a focus on pulmonary hypertension. With an increasing global population residing at high altitudes, understanding these effects is crucial for public health interventions and clinical management. Recent findings Recent literature on the long-term effects of high-altitude residence and chronic hypoxia is comprehensively summarized. Key themes include the mechanisms of hypoxic pulmonary vasoconstriction, the development of pulmonary hypertension, and challenges in distinguishing altitude-related pulmonary hypertension and classical pulmonary vascular diseases, as found at a low altitude. Summary The findings emphasize the need for research in high-altitude communities to unravel the risks of pulmonary hypertension and pulmonary vascular diseases. Clinically, early and tailored management for symptomatic individuals residing at high altitudes are crucial, as well as access to advanced therapies as proposed by guidelines for pulmonary vascular disease. Moreover, identifying gaps in knowledge underscores the necessity for continued research to improve understanding and clinical outcomes in high-altitude pulmonary vascular diseases.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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