Related Experiment Videos
[High altitude sojourn in heart diseases]
1Medizinische Klinik, Stadtspital Triemli, Zürich.
Therapeutische Umschau. Revue Therapeutique
|April 1, 1993
Summary
Altitude exposure can worsen cardiovascular conditions, especially coronary heart disease and hypertension, by increasing sympathetic nervous system activity. Patients may experience intensified or new angina and elevated blood pressure shortly after arriving at high altitudes.
Area of Science:
- Cardiovascular Physiology
- Environmental Medicine
- Pulmonary Hypertension
Context:
- High altitude environments pose physiological challenges.
- Cardiovascular disease patients are a vulnerable population at altitude.
- Sympathetic nervous system activation is a key response to altitude.
Purpose:
- To outline the cardiovascular effects of altitude exposure.
- To highlight risks for patients with pre-existing cardiovascular conditions.
Summary:
- Altitude exposure commonly triggers cardiovascular events in patients with heart disease.
- Coronary heart disease patients frequently experience increased or new angina pectoris, particularly in the initial days.
- Hypertension may worsen due to increased sympathetic activity, and pulmonary hypertension can be aggravated by hypoxic vasoconstriction.
Impact:
- Informing clinical management of cardiovascular patients at high altitudes.
- Guiding preventative strategies for individuals with cardiovascular disease planning to ascend to higher elevations.
- Enhancing understanding of altitude's impact on cardiopulmonary systems.