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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Firth, Paul G. Sutherland, Andrew I. Salisbury, Richard A. Roach, Robert C. Semple, John L. Imray, Christopher H. Zheng, Hui Windsor, Jeremy S. Moore, G. W. K. |
| Description | Author Affiliation: Firth PG ( Department of Anesthesia and Critical Care, Massachusetts General Hospital, Boston, MA 02114, USA. pfirth@partners.org); |
| Abstract | Objective To examine patterns of mortality among climbers on Mount Everest over an 86 year period. Design Descriptive study. Setting Climbing expeditions to Mount Everest, 1921-2006. Participants 14 138 mountaineers; 8030 climbers and 6108 sherpas. Main outcome measure Circumstances of deaths. Results The mortality rate among mountaineers above base camp was 1.3%. Deaths could be classified as involving trauma (objective hazards or falls, n=113), as non-traumatic (high altitude illness, hypothermia, or sudden death, n=52), or as a disappearance (body never found, n=27). During the spring climbing seasons from 1982 to 2006, 82.3% of deaths of climbers occurred during an attempt at reaching the summit. The death rate during all descents via standard routes was higher for climbers than for sherpas (2.7% (43/1585) v 0.4% (5/1231), P<0.001; all mountaineers 1.9%). Of 94 mountaineers who died after climbing above 8000 m, 53 (56%) died during descent from the summit, 16 (17%) after turning back, 9 (10%) during the ascent, 4 (5%) before leaving the final camp, and for 12 (13%) the stage of the summit bid was unknown. The median time to reach the summit via standard routes was earlier for survivors than for non-survivors (0900-0959 v 1300-1359, P<0.001). Profound fatigue (n=34), cognitive changes (n=21), and ataxia (n=12) were the commonest symptoms reported in non-survivors, whereas respiratory distress (n=5), headache (n=0), and nausea or vomiting (n=3) were rarely described. Conclusions Debilitating symptoms consistent with high altitude cerebral oedema commonly present during descent from the summit of Mount Everest. Profound fatigue and late times in reaching the summit are early features associated with subsequent death. |
| ISSN | 09598138 |
| e-ISSN | 17561833 |
| Journal | BMJ (British Medical Journal) |
| Volume Number | 337 |
| Language | English |
| Publisher | British Medical Journal Publishing Group |
| Publisher Date | 2008-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Cause Of Death Mountaineering Statistics & Numerical Data Accidental Falls Adolescent Altitude Sickness Mortality Therapy Death, Sudden Epidemiology Hypothermia Retrospective Studies Medicine |
| Content Type | Text |
| Resource Type | Article |
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