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Injection of Local Anesthetic in Tonsillectomy
Arch Otolaryngol Head Neck Surg. 2001;127:1276-1278.
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Hypothesis: Injection of local anesthetic significantly benefits patients undergoing
tonsillectomy.
BACKGROUND
Tonsillectomy is a commonly performed procedure in the United States
and is usually associated with significant postoperative pain. The benefits
of decreased pain are obvious; a shorter recovery period and faster return
to a regular diet and activity level make life much easier for patients and
their families. Numerous attempts have been made to reduce postoperative pain;
these include improved intraoperative anesthetic pain regimens, use of corticosteroids,
adjustment of surgical technique, and intraoperative injection of local
anesthetic.
Figure appears in full text version.
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The injection of local anesthetic during tonsillectomy has been recommended
as an adjunct to general anesthesia to decrease postoperative pain. During
surgery, pain impulses enter the central nervous system, creating a hyperexcitable
state.1 The processing of afferent information
is altered, resulting in a reduction of pain thresholds and amplification
of normal responses to nociceptive stimuli. These changes outlast the . . . [Full Text of this Article]
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CON
BOTTOM LINE
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