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O U T P AT I E N T S U R G E R Y M A G A Z I N E O N L I N E | S E P T E M B E R 2 0 1 4
Of course, patients who need to be rewarmed in post-op aren't just
uncomfortable, they're also likely to be shivering, which creates
stress, raises metabolic rates and increases cardiac demand.
"Shivering can increase myocardial oxygen demand 400% above base-
line," points out an anesthesia provider. "But warmed patients don't
shiver when they emerge from anesthesia."
"The anesthesia gas I give, especially sevoflurane, causes shivering,"
says Darren Long, BA, MSN, CRNA at Avita Health System in Galion,
Ohio. "Combined with a cold OR, it becomes almost unbearable for
some patients in PACU. Warming provides the comfort they need."
Another practical consideration: "You don't need to repeatedly take
NIBP and pulse oximetry readings because of shivering confounding the
results," says Gary Lawson, MD, anesthesiologist at Adult & Children's
Surgery Center of
Southwest Florida in
Fort Myers.
Obstacles and
tips
Though the benefits
of warming are
numerous and undis-
puted, some proce-
dures involve chal-
lenges, including
abdominal proce-
dures, procedures
done in the lateral
position and proce-
dures that involve
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