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DLR hypoxia study: All symptoms disappeared after 30 hours

Nancy Hansen (r.) and Ralf Dujmovits at the DLR

“We were the mice for five weeks,” says Nancy Hansen describing the time she and Ralf Dujmovitsas reported – spent in a hypoxia chamber at the German Aerospace Center (DLR) in Cologne half a year ago. The goal of the study was to find out whether, under certain circumstances, extreme hypoxia can lead to a strengthening of the heart in humans – as previously found out in two experiments with mice in the USA. After an acclimatization phase of around two weeks, the climbers had spent 16 days at a simulated altitude of 6,700 meters or higher, including four days at an oxygen content of only eight percent, which corresponds to 7,112 meters. “I suffered quite a lot,” admits Nancy. “But it was a big privilege to be part of the study.” Ralf is also still impressed by the experience: “I was hard on the edge. To be honest, I wouldn’t do it again. I underestimated the whole thing.” Last week the couple was in Cologne again – for one of several follow-up examinations. The first preliminary results of the study are now available.


18. December 2018 | 12:18



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