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Model Contract for Health Care on Trekking and Expeditions for Doctors – Recommendation of the Medical Commission of the Union Internationale des Associations d’Alpinisme (UIAA)

100%

Küpper T. , Hillebrandt D. , Milledge J. , Basnayt B.

Health Promotion & Physical Activity

2020

tom 13

nr 4

14-17

This suggested contract document attempts to clarify the rights and obligations of the tour operator (referred to herein as “organization”, OR), the ED and the EX to avoid trouble and misunderstandings during the trip. Being an Expedition or Trekking Doctor (referred to herein as “Expedition Doctor”, ED) is more than being merely a member which advises others in case of a health problem during the trip and who may get a discount on organized trips! An ED has specific responsibilities, has to provide special skills, and must always accept responsibility for any diagnosis made, whether right or wrong. Both, the tour operator and the participants of the Expedition (referred to herein as “Expedition”, EX) have their individual and often conflicting interests to which the ED’s own mountaineering interests must also be added. However, to minimize the possible multiple risks associated with these conflicts of interest, the rights, obligations and priorisation of medical and expedition scheduling should be made clear well in advance of the expedition. The following is a model text which may be adapted to an EX’s specific demands. In this text, EX includes the organizers of the trip, the expedition’s leaders and the participants.

Portable hyperbaric chambers for the treatment of altitude disease

88%

Küpper T. , Gieseler U. , Milledge J. , Morrison A. , Schöffl V.

Health Promotion & Physical Activity

2022

tom 20

nr 3

36-40

Portable hyperbaric chambers are a therapeutic option for altitude disease in the mountains. By an increase of the oxygen partial pressure the patient’s symptoms ameliorate significantly. Portable hyperbaric chambers may be used as ‘stand alone therapy’ as well as in combination with other therapeutic options. Here we present the recommendation how to use the device and how to avoid problems. The recommendation has been agreed by all members of the medical commission of the world umbrella organization Union Internationale des Associations d’Alpinisme (UIAA MedCom).

The Borg Scale at high altitude

63%

Küpper T. , Heussen N. , Morrison A. , Schöffl V. , Basnyat B. , Hillebrandt D. , Milledge J. , Steffgen J. , Meier B.

nr 2

1-8

Introduction: The Borg Scale for perceived exertion is well established in science and sport to keep an appropriate level of workload or to rate physical strain. Although it is also often used at moderate and high altitude, it was never validated for hypoxic conditions. Since pulse rate and minute breathing volume at rest are increased at altitude it may be expected that the rating of the same workload is higher at altitude compared to sea level.Material and methods: 16 mountaineers were included in a prospective randomized design trial. Standardized workload (ergometry) and rating of the perceived exertion (RPE) were performed at sea level, at 3,000 m, and at 4,560 m. For validation of the scale Maloney-Rastogi-test and Bland-Altmann-Plots were used to compare the Borg ratings at each intensity level at the three altitudes; p < 0.05 was defined as significant.Results: In Bland-Altmann-Plots more than 95% of all Borg ratings were within the interval of 1.96 x standard deviation. There was no significant deviation of the ratings at moderate or high altitude. The correlation between RPE and workload or oxygen uptake was weak.Conclusion: The Borg Scale for perceived exertion gives valid results at moderate and high altitude – at least up to about 5,000 m. Therefore it may be used at altitude without any modification. The weak correlation of RPE and workload or oxygen uptake indicates that there should be other factors indicating strain to the body. What is really measured by Borg’s Scale should be investigated by a specific study.