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Critical Separation Versus Effective Sweep Width: Bridging the Old and New Search-and-Rescue Worlds
ConclusionsCritical separation is a simple, quick way to array searchers in the field. The current study suggests that the value of critical separation in producing the 50% target POD will depend on the whether the search object used for the critical separation determination has a similar detectability/W to the actual target of the search effort. Still, the results from a critical separation determination may offer more predictability and reliability than the common practice of POD estimation by team leaders. (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - February 8, 2020 Category: Environmental Health Source Type: research

Reduction of Arterial Oxygen Saturation Among Rescuers During Cardiopulmonary Resuscitation in a Hypobaric Hypoxic Environment
Publication date: Available online 7 February 2020Source: Wilderness & Environmental MedicineAuthor(s): Takashi Suto, Shigeru Saito, Masaru Tobe, Masafumi Kanamoto, Yusuke MatsuiWe experienced a case involving prolonged cardiopulmonary resuscitation (CPR) during cardiac arrest on Mt. Fuji (3776 m), demanding lengthy exertion by the rescuers performing CPR. Considering the effects of exertion on the rescuers, we examined their percutaneous arterial oxygen saturation during simulated CPR and compared the effects of compression-only and conventional CPR at 3700 m above sea level. The effects of CPR on the physical condition o...
Source: Wilderness and Environmental Medicine - February 8, 2020 Category: Environmental Health Source Type: research

Medicine in Extreme Environments: A New Medical Student Elective Class for Wilderness, Aerospace, Hyperbaric, Exercise, and Combat Medicine
Publication date: Available online 7 February 2020Source: Wilderness & Environmental MedicineAuthor(s): Gautam Babu, Bradley D. Upchurch, William H. Young, Benjamin D. LevineWe developed an elective course titled Medicine in Extreme Environments (MEE) at the University of Texas Southwestern Medical Center for first- and second-year medical students. This course covered physiology, research, clinical practice, and career guidance regarding the fields of wilderness, space, hyperbaric, combat, and exercise medicine. The primary aim was to generate interest in and awareness of these seldom covered fields of medicine by exposin...
Source: Wilderness and Environmental Medicine - February 8, 2020 Category: Environmental Health Source Type: research

Pain Is Inevitable But Suffering Is Optional: Relationship of Pain Coping Strategies to Performance in Multistage Ultramarathon Runners
ConclusionsAlthough increased pain intensity and pain interference was found in all multistage ultramarathon runners, successful event completion was significantly associated with less maladaptive pain coping. Training in coping with pain may be a beneficial part of ultramarathon preparation. (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - February 8, 2020 Category: Environmental Health Source Type: research

Wilderness Medical Society Clinical Practice Guidelines for the Management of Exercise-Associated Hyponatremia: 2019 Update
Publication date: Available online 8 February 2020Source: Wilderness & Environmental MedicineAuthor(s): Brad L. Bennett, Tamara Hew-Butler, Mitchell H. Rosner, Thomas Myers, Grant S. Lipman (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - February 8, 2020 Category: Environmental Health Source Type: research

Exercise in Thermal Inversions: PM2.5 Air Pollution Effects on Pulmonary Function and Aerobic Performance
ConclusionsNeither run time nor pulmonary function of healthy adults were adversely affected by an acute bout of exercise in elevated ambient PM2.5, equivalent to yellow or orange on the air quality index. (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - February 6, 2020 Category: Environmental Health Source Type: research

Periorbital Edema Mimicking an Allergic Reaction After Black Widow Envenomation
Publication date: Available online 31 January 2020Source: Wilderness & Environmental MedicineAuthor(s): Meghan B. Spyres, Ayrn D. O’Connor (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 31, 2020 Category: Environmental Health Source Type: research

Tolio: Foot Rot in Grand Canyon River Runners
In this report we describe common skin conditions affecting the feet of river runners on the Colorado River in Grand Canyon National Park. These conditions are frequently referred to by river runners with a catchall term, “tolio.” Several skin disorders have been identified as components of tolio, with the most prevalent currently being pitted keratolysis. We present a case of pitted keratolysis in a river guide occurring during a multiday river trip, where treatment can be difficult. Prevention is often more important. (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 31, 2020 Category: Environmental Health Source Type: research

Powassan Virus in a Hunter Returning from a Trip in the Adirondack Park
We present the case of a 56-y-old man who presented to our hospital with symptoms of confusion, altered behavior, and headache. The patient developed fever and status epilepticus despite supportive care and required endotracheal intubation. Six days before presentation, the patient had returned from a hunting trip in the Adirondack region of New York State. (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 30, 2020 Category: Environmental Health Source Type: research

In Reply to Drs Lawson and Newman
Publication date: Available online 27 January 2020Source: Wilderness & Environmental MedicineAuthor(s): Susanne J. Spano, John A. Seymer, Desiree H. Crane, Paul S. Auerbach (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 28, 2020 Category: Environmental Health Source Type: research

Bruce C. Paton, MD: August 28, 1925 to November 4, 2019
Publication date: Available online 27 January 2020Source: Wilderness & Environmental MedicineAuthor(s): Howard Backer (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 28, 2020 Category: Environmental Health Source Type: research

In Response to Impact of Half Dome Cable Permitting by Spano et al
Publication date: Available online 23 January 2020Source: Wilderness & Environmental MedicineAuthor(s): Steven R. Lawson, Peter Newman (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 24, 2020 Category: Environmental Health Source Type: research

Penetrating Thoracic Injury and Fatal Aortic Transection From the Barb of a Stingray
We present a case of a 62-y-old diver who was pierced in the chest by the barb of a stingray while transferring the animal to another tank as part of his work in a public aquarium. He was rescued immediately from the tank but was found to be in cardiac arrest. Bystander cardiopulmonary resuscitation was promptly initiated by his colleagues. He was rapidly evacuated to the nearest emergency department, where he was noted to be in pulseless electrical activity. A single puncture wound was noted over the right second intercostal space, with the spine of the stingray still impaled in the chest. Trauma surgeons were activated p...
Source: Wilderness and Environmental Medicine - January 24, 2020 Category: Environmental Health Source Type: research

In Response to Cardiac Events in Mountain Rescues in Aragón by Martínez-Caballero et al
Publication date: Available online 22 January 2020Source: Wilderness & Environmental MedicineAuthor(s): Iñigo Soteras, Peter Paal, Marc Ayala, Francesc Carmona, Enric Subirats, Giacomo Strapazzon (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 23, 2020 Category: Environmental Health Source Type: research

In Reply to Dr Soteras et al
Publication date: Available online 22 January 2020Source: Wilderness & Environmental MedicineAuthor(s): Carmen M. Martínez-Caballero, Eva Sierra Quintana (Source: Wilderness and Environmental Medicine)
Source: Wilderness and Environmental Medicine - January 23, 2020 Category: Environmental Health Source Type: research