Risk Determinants of Acute Mountain Sickness in Trekkers in the Nepali Himalaya: a 24- Year Follow-Up Marion McDevitt, DO, MPH, Scott E. McIntosh, MD,

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Presentation transcript:

Risk Determinants of Acute Mountain Sickness in Trekkers in the Nepali Himalaya: a 24- Year Follow-Up Marion McDevitt, DO, MPH, Scott E. McIntosh, MD, MPH, George Rodway, PhD, APRN, Jitsupa Peelay, MS, Doug L. Adams, MStat, Bengt Kayser, MD, PhD Wilderness & Environmental Medicine Volume 25, Issue 2, Pages 152-159 (June 2014) DOI: 10.1016/j.wem.2013.12.027 Copyright © 2014 Wilderness Medical Society Terms and Conditions

Figure 1 Thorong-La altitude profile showing typical route spending nights in each village marked (distance in kilometers, elevation in meters): 1. Chame (0 km, 2670 m); 2. Lower Pisang (19 km, 3250 m); 3. Manang (34 km, 3540 m); 4. Thorong Phedi (49 km, 4450 m); 5. High Camp (50 km, 4850 m); 6. Thorong La (55 km, 5416 m); 7. Muktinath (65 km, 3800 m); 8. Kagbeni (75 km,2800 m); 9. Jomson (84 km, 2720 m); 10. Marpha (90 km, 2670 m). + indicates the Himalayan Rescue Association aid post in Manang. Wilderness & Environmental Medicine 2014 25, 152-159DOI: (10.1016/j.wem.2013.12.027) Copyright © 2014 Wilderness Medical Society Terms and Conditions

Figure 2 Nationalities of participants. NA, not answered on questionnaire. Wilderness & Environmental Medicine 2014 25, 152-159DOI: (10.1016/j.wem.2013.12.027) Copyright © 2014 Wilderness Medical Society Terms and Conditions

Figure 3 Prevalence of acute mountain sickness (AMS) from 3 studies over 24 years at 5400 m in Nepal. Questionnaires used were the Lake Louise Scoring System (LLSS), with scores of LLSS ≥3 and LLSS ≥5, and the Environmental Statistical Questionnaire III (ESQ-III). Wilderness & Environmental Medicine 2014 25, 152-159DOI: (10.1016/j.wem.2013.12.027) Copyright © 2014 Wilderness Medical Society Terms and Conditions