Climbers of high peaks such as Mount Kilimanjaro are at high risk for Acute Mountain Sickness (AMS). Trekkers should not ignore AMS warning signs, which can progress to more serious medical outcomes.
Mountain climbers can best minimize their risk for altitude sickness by becoming acclimatized to increased altitudes before an ascent, according to a study in the current issue of High Altitude Medicine & Biology, a peer-reviewed journal published by Mary Ann Liebert, Inc. (www.liebertpub.com). The article is available free online at www.liebertpub.com/ham
The study, entitled "Incidence and predictors of acute mountain sickness among trekkers on Mount Kilimanjaro," evaluated the incidence of AMS among trekkers of this popular climbing destination. Stewart Jackson, J. Kenneth Baillie, and colleagues from University of Edinburgh (Scotland) and Muhimbili University College of Health Science (Tanzania), compared the effects of three increasingly difficult and rapid ascent routes, the option of a single rest day during the climb, and use by a sub-group of climbers of prophylactic acetazolamide.
The authors reported a similar rate of AMS among climbers with or without prophylactic drug use. Furthermore, a mid-climb rest day did not affect the incidence of AMS. Only prior acclimatization to increased altitude offered a significant protective effect against AMS.
"This important article emphasizes the dangers of rapid ascent rates on a mountain that attracts thousands of visitors every year. Hopefully it will help to reduce the high frequency of high altitude diseases," says John B. West, MD, PhD, Editor-in-Chief of High Altitude Medicine & Biology and Professor of Medicine at the University of California, San Diego School of Medicine.
High Altitude Medicine & Biology, the Official Journal of the International Society for Mountain Medicine (www.ismmed.org), is an authoritative, peer-reviewed journal published quarterly online and is the only journal dedicated exclusively to the latest advances in high altitude life sciences. The Journal presents findings on the effects of chronic hypoxia on lung and heart disease, pulmonary and cerebral edema, hypertension, dehydration, infertility, appetite and weight loss, and other diseases. Complete tables of content and the full text for this issue may be viewed online at www.liebertpub.com/ham
Mary Ann Liebert, Inc. is a privately held, fully integrated media company known for establishing authoritative peer-reviewed journals in many promising areas of science and biomedical research, including Journal of Aerosol Medicine and Pulmonary Drug Delivery, and Pediatric Allergy, Immunology, and Pulmonology. Its biotechnology trade magazine, Genetic Engineering & Biotechnology News (GEN), was the first in its field and is today the industry's most widely read publication worldwide. A complete list of the firm's 60 journals, books, and newsmagazines is available at www.liebertpub.comMary Ann Liebert, Inc. 140 Huguenot St., New Rochelle, NY 10801-5215 www.liebertpub.com
Phone: (914) 740-2100 (800) M-LIEBERT Fax: (914) 740-2101
Vicki Cohn | EurekAlert!
Usher syndrome: Gene therapy restores hearing and balance
25.09.2017 | Institut Pasteur
MRI contrast agent locates and distinguishes aggressive from slow-growing breast cancer
25.09.2017 | Case Western Reserve University
Controlling electronic current is essential to modern electronics, as data and signals are transferred by streams of electrons which are controlled at high speed. Demands on transmission speeds are also increasing as technology develops. Scientists from the Chair of Laser Physics and the Chair of Applied Physics at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) have succeeded in switching on a current with a desired direction in graphene using a single laser pulse within a femtosecond ¬¬ – a femtosecond corresponds to the millionth part of a billionth of a second. This is more than a thousand times faster compared to the most efficient transistors today.
Graphene is up to the job
At the productronica trade fair in Munich this November, the Fraunhofer Institute for Laser Technology ILT will be presenting Laser-Based Tape-Automated Bonding, LaserTAB for short. The experts from Aachen will be demonstrating how new battery cells and power electronics can be micro-welded more efficiently and precisely than ever before thanks to new optics and robot support.
Fraunhofer ILT from Aachen relies on a clever combination of robotics and a laser scanner with new optics as well as process monitoring, which it has developed...
Plants and algae use the enzyme Rubisco to fix carbon dioxide, removing it from the atmosphere and converting it into biomass. Algae have figured out a way to increase the efficiency of carbon fixation. They gather most of their Rubisco into a ball-shaped microcompartment called the pyrenoid, which they flood with a high local concentration of carbon dioxide. A team of scientists at Princeton University, the Carnegie Institution for Science, Stanford University and the Max Plank Institute of Biochemistry have unravelled the mysteries of how the pyrenoid is assembled. These insights can help to engineer crops that remove more carbon dioxide from the atmosphere while producing more food.
A warming planet
Our brains house extremely complex neuronal circuits, whose detailed structures are still largely unknown. This is especially true for the so-called cerebral cortex of mammals, where among other things vision, thoughts or spatial orientation are being computed. Here the rules by which nerve cells are connected to each other are only partly understood. A team of scientists around Moritz Helmstaedter at the Frankfiurt Max Planck Institute for Brain Research and Helene Schmidt (Humboldt University in Berlin) have now discovered a surprisingly precise nerve cell connectivity pattern in the part of the cerebral cortex that is responsible for orienting the individual animal or human in space.
The researchers report online in Nature (Schmidt et al., 2017. Axonal synapse sorting in medial entorhinal cortex, DOI: 10.1038/nature24005) that synapses in...
Whispering gallery mode (WGM) resonators are used to make tiny micro-lasers, sensors, switches, routers and other devices. These tiny structures rely on a...
19.09.2017 | Event News
12.09.2017 | Event News
06.09.2017 | Event News
26.09.2017 | Life Sciences
26.09.2017 | Physics and Astronomy
26.09.2017 | Life Sciences