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By THE ASSOCIATED PRESSPublished: January 9, 2011
Filed at 8:24 a.m. EST on January 10, 2011
-TUCSON, Ariz. (AP) — Recovering from a gunshot wound to the head depends on the bullet's path, and while doctors are optimistic about Rep. Gabrielle Giffords' odds, it can take weeks to months to tell the damage.
Doctors say the bullet traveled the length of the left side of the Arizona congresswoman's brain, entering the back of the skull and exiting the front.
Fortunately, it stayed on one side of her brain, not hitting the so-called "eloquent areas" in the brain's center where such wounds almost always prove fatal.
Importantly, Giffords was responding nonverbally Sunday to simple commands in the emergency room — things like "squeeze my hand."
That implies "a very high level of functioning in the brain," said Dr. Michael Lemole of Tucson's University Medical Center, Giffords' neurosurgeon.
Now, her biggest threat is brain swelling. Surgeons removed half of her skull to give the tissues room to expand without additional bruising, Lemole said.
That bone is being preserved and can be reimplanted once the swelling abates, a technique the military uses with war injuries, added his colleague and trauma surgeon Dr. Peter Rhee.
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