A prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m).
<h4>Background</h4>Each year, thousands of pilgrims travel to the Janai Purnima festival in Gosainkunda, Nepal (4380 m), ascending rapidly and often without the aid of pharmaceutical prophylaxis.<h4>Methods</h4>During the 2012 Janai Purnima festival, 538 subjects were recruit...
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oai:doaj.org-article:abd55d99cc31498baa5e9ff05cadbb162021-11-18T08:51:51ZA prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m).1932-620310.1371/journal.pone.0075644https://doaj.org/article/abd55d99cc31498baa5e9ff05cadbb162013-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24130729/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>Each year, thousands of pilgrims travel to the Janai Purnima festival in Gosainkunda, Nepal (4380 m), ascending rapidly and often without the aid of pharmaceutical prophylaxis.<h4>Methods</h4>During the 2012 Janai Purnima festival, 538 subjects were recruited in Dhunche (1950 m) before ascending to Gosainkunda. Through interviews, subjects provided demographic information, ratings of AMS symptoms (Lake Louise Scores; LLS), ascent profiles, and strategies for prophylaxis.<h4>Results</h4>In the 491 subjects (91% follow-up rate) who were assessed upon arrival at Gosainkunda, the incidence of AMS was 34.0%. AMS was more common in females than in males (RR = 1.57; 95% CI = 1.23, 2.00), and the AMS incidence was greater in subjects >35 years compared to subjects ≤35 years (RR = 1.63; 95% CI = 1.36, 1.95). There was a greater incidence of AMS in subjects who chose to use garlic as a prophylactic compared to those who did not (RR = 1.69; 95% CI = 1.26, 2.28). Although the LLS of brothers had a moderate correlation (intraclass correlation = 0.40, p = 0.023), sibling AMS status was a weak predictor of AMS.<h4>Conclusions</h4>The incidence of AMS upon reaching 4380 m was 34% in a large population of Nepalese pilgrims. Sex, age, and ascent rate were significant factors in the development of AMS, and traditional Nepalese remedies were ineffective in the prevention of AMS.Martin J MacInnisEric A CarterMichael G FreemanBidur Prasad PanditAshmita SiwakotiAnkita SubediUtsav TimalsinaNadia WidmerGhan Bahadur ThapaMichael S KoehleJim L RupertPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 8, Iss 10, p e75644 (2013) |
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Medicine R Science Q Martin J MacInnis Eric A Carter Michael G Freeman Bidur Prasad Pandit Ashmita Siwakoti Ankita Subedi Utsav Timalsina Nadia Widmer Ghan Bahadur Thapa Michael S Koehle Jim L Rupert A prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m). |
| description |
<h4>Background</h4>Each year, thousands of pilgrims travel to the Janai Purnima festival in Gosainkunda, Nepal (4380 m), ascending rapidly and often without the aid of pharmaceutical prophylaxis.<h4>Methods</h4>During the 2012 Janai Purnima festival, 538 subjects were recruited in Dhunche (1950 m) before ascending to Gosainkunda. Through interviews, subjects provided demographic information, ratings of AMS symptoms (Lake Louise Scores; LLS), ascent profiles, and strategies for prophylaxis.<h4>Results</h4>In the 491 subjects (91% follow-up rate) who were assessed upon arrival at Gosainkunda, the incidence of AMS was 34.0%. AMS was more common in females than in males (RR = 1.57; 95% CI = 1.23, 2.00), and the AMS incidence was greater in subjects >35 years compared to subjects ≤35 years (RR = 1.63; 95% CI = 1.36, 1.95). There was a greater incidence of AMS in subjects who chose to use garlic as a prophylactic compared to those who did not (RR = 1.69; 95% CI = 1.26, 2.28). Although the LLS of brothers had a moderate correlation (intraclass correlation = 0.40, p = 0.023), sibling AMS status was a weak predictor of AMS.<h4>Conclusions</h4>The incidence of AMS upon reaching 4380 m was 34% in a large population of Nepalese pilgrims. Sex, age, and ascent rate were significant factors in the development of AMS, and traditional Nepalese remedies were ineffective in the prevention of AMS. |
| format |
article |
| author |
Martin J MacInnis Eric A Carter Michael G Freeman Bidur Prasad Pandit Ashmita Siwakoti Ankita Subedi Utsav Timalsina Nadia Widmer Ghan Bahadur Thapa Michael S Koehle Jim L Rupert |
| author_facet |
Martin J MacInnis Eric A Carter Michael G Freeman Bidur Prasad Pandit Ashmita Siwakoti Ankita Subedi Utsav Timalsina Nadia Widmer Ghan Bahadur Thapa Michael S Koehle Jim L Rupert |
| author_sort |
Martin J MacInnis |
| title |
A prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m). |
| title_short |
A prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m). |
| title_full |
A prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m). |
| title_fullStr |
A prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m). |
| title_full_unstemmed |
A prospective epidemiological study of acute mountain sickness in Nepalese pilgrims ascending to high altitude (4380 m). |
| title_sort |
prospective epidemiological study of acute mountain sickness in nepalese pilgrims ascending to high altitude (4380 m). |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2013 |
| url |
https://doaj.org/article/abd55d99cc31498baa5e9ff05cadbb16 |
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