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Tuttle Award: Karl Rickard Johan Ånell

September 03, 2021

Tuttle Award: Karl Rickard Johan Ånell

Established in memory of Col. Arnold D. Tuttle, USAF, MC. Awarded annually for original research that has made the most significant contribution toward the solution of a challenging problem in aerospace medicine and which was published in Aerospace Medicine and Human Performance. Sponsored by KBR.

Karl Rickard Johan Ånell, M.D., is the recipient of the 2021 Arnold D. Tuttle Award. He was recognized for his role as the lead author of “Evolution and Preservation of Venous Gas Emboli at Alternating High and Moderate Altitude Exposures” [Aerosp Med Hum Perform. 2020; 91(1):11-17]. He and his co-authors, Mikael Grönkvist, Ph.D., Mikael Gennser, M.D., Ph.D., and Ola Eiken, M.D., Ph.D., are from the Division of Environmental Physiology, Swe dish Aerospace Physiology Centre, School of Chemistry, Biotechnology and Health, Royal Institute of Technology, Stockholm, Swe den. In their study they investigated the evolution and preservation of venous gas emboli (VGE), as markers of decompression stress during alternating high- and moderate-altitude exposures, simulating a fighter aircraft high-altitude flight, interrupted by refueling excursions to lower altitudes. Respiratory nitrogen exchange was measured continuously using a modified closed-circuit electronic rebreather. They determined that in normoxic conditions, longduration flying at a cabin altitude of 24,000 ft is associated with substantial VGE occurrence, which is not abolished by intermittent excursions to a cabin altitude of 15,000 ft.
   A member of the Swedish Armed Forces since 1990, Dr. Ånell became Military Flight Surgeon in 1997 and a Hyperbaric Medicine Physician in 1999. He became a pilot in 2008 and underwent space environmental training in 2012. He was deployed to Bosnia, Afghanistan, and Mail. He still serves part-time as a Senior Medical Officer and Flight Surgeon.
   In his civilian career, Dr. Ånell served as an orthopedic surgeon for the County Council of Östergötland from 1998-2009 and then as an emergency physician. He is currently employed as a Global Medical Adviser for SAAB AB and has just finished his Ph.D. at the KTH Royal Institute of Technology. His honors and awards include the Armed Forces Service Medal in Silver, United Nations Medal in Bronze, NATO Medal for service in Former Yugoslavia, Armed Forces Medal in Bronze for international service (3), Exceptional actions in medical field SF/SIG, Farfarslänken Swedish Airborne Rangers Corps. and the Commanders Coin of Excellence Mali07.