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- W1982332872 abstract "Headache is the most common complication associated with exposure to high altitude, and can appear as an isolated high-altitude headache (HAH) or in conjunction with acute mountain sickness (AMS). The purpose of this article is to review several aspects related to diagnosis and treatment of HAH.HAH occurs in 80% of all individuals at altitudes higher than 3000 meters. The second edition of ICHD-II includes HAH in the chapter entitled Headaches attributed to disorder of homeostasis. Hypoxia elicits a neurohumoral and haemodynamic response that may provoke increased capillary pressure and oedema. Hypoxia-induced cerebral vasodilation is a probable cause of HAH. The main symptom of AMS is headache, frequently accompanied by sleep disorders, fatigue, dizziness and instability, nausea and anorexia. Some degree of individual susceptibility and considerable inter-individual variability seem to be present in AMS. High-altitude cerebral oedema is the most severe form of AMS, and may occur above 2500 meters. Brain MRI studies have found variable degrees of oedema in subcortical white matter and the splenium of the corpus callosum. HAH can be treated with paracetamol or ibuprofen. Pharmacological treatment of AMS is intended to increase ventilatory drive with drugs such as acetazolamide, and reduce inflammation and cytokine release by means of steroids.Symptom escalation seems to be present along the continuum containing HAH, AMS, and high-altitude cerebral oedema." @default.
- W1982332872 created "2016-06-24" @default.
- W1982332872 creator A5085311349 @default.
- W1982332872 date "2014-11-01" @default.
- W1982332872 modified "2023-10-16" @default.
- W1982332872 title "Cefalea de elevada altitud y mal de altura" @default.
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- W1982332872 doi "https://doi.org/10.1016/j.nrl.2012.04.015" @default.
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