Page 51 - AlertDiver_Spring2013
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system damage from diving is through gas embolism
of arterial cerebral vessels. This can be caused acutely
by AGE following pulmonary barotrauma or spillover
of venous gas emboli to the arterial circulation (as may
occur in the presence of a PFO). Also, silent embolism
of cerebral microvessels by inert gas bubbles may cause
chronic injury. Thus, uneventful diving and diving within
no-decompression limits should minimize risk to the
central nervous system from diving.
Should scuba divers with no history of DCS worry
about long-term cumulative injuries from diving?
Moon:
No.
Uzun:
No. There is currently no convincing evidence
that scuba diving causes long-term cerebral damage in
asymptomatic divers.
Tetzlaff:
There is no need to worry. As outlined
above, ischemic cerebral vessel disease may occur as a
consequence of gas bubbles arising from diving, but diving
within recommended limits and following recommended
procedures should prevent such injuries.
AD
MEET the experts
Richard Moon, M.D.,
obtained his medical degree
from McGill University in Montreal, Canada. He is professor of
anesthesiology and medicine and medical director of the Center
for Hyperbaric Medicine and Environmental Physiology at Duke
University Medical Center in Durham, N.C. His research interests
include cardiac and respiratory function during underwater exercise,
altitude physiology and medicine, and respiratory function during
and after anesthesia. He is currently funded by the U.S. Navy to
study immersion pulmonary edema.
Kay Tetzlaff, M.D.,
is associate professor of medicine in
the department of sports medicine at the university of Tuebingen,
Germany, and consultant in diving and hyperbaric medicine. He has
published more than 70 peer-reviewed scientific papers and edited
several textbooks in the field of dive medicine
.
Günalp Uzun, M.D.,
is an associate professor of
underwater and hyperbaric medicine at the GMMA Haydarpasa
Teaching Hospital in Istanbul, Turkey. He is a surgeon lieutenant
in The Turkish Navy. He supervised clinical hyperbaric treatments
and participated in submarine escape trainings in Gölcük Naval
Base, Izmit, Turkey, between 2004 and 2006. He is also the
author of several papers on dive medicine, hyperbaric oxygen
therapy and wound care.
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