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The effects of glossopharyngeal nerve block on postoperative pain relief after tonsillectomy: the importance of the extent of obtunded gag reflex as a clinical indicator

Cited 12 time in Web of Science Cited 17 time in Scopus
Authors
Park, Hee-Pyoung; Hwang, Jung-won; Park, Sang-Hyun; Jeon, Young-Tae; Bahk, Jae-Hyon; Oh, Yong-Seok
Issue Date
2007-06-21
Publisher
Lippincott, Williams & Wilkins
Citation
Anesth Analg. 2007 Jul;105(1):267-71.
Keywords
AdultFemaleGagging/*physiologyGlossopharyngeal Nerve/*physiologyHumansMaleMiddle AgedNerve Block/*methodsPain, Postoperative/*diagnosis/physiopathology/*prevention & controlProspective StudiesTime Factors*Tonsillectomy
Abstract
BACKGROUND: We evaluated the efficacy of glossopharyngeal nerve block (GNB) for the control of post-tonsillectomy pain in adult patients, and correlated the extent of obtunded gag reflex as a clinical indicator of GNB with the extent of pain relief. METHODS: Seventy-five patients undergoing tonsillectomy received bilateral GNB with 0.75% ropivacaine with epinephrine (Group R), 0.5% bupivacaine with epinephrine (Group B) at the end of the operation, or no intervention (Group C). To evaluate the effects of GNB, we assessed throat pain (100 mm visual analog scale) and severity of gag reflex response 0.5, 8, and 24 h after surgery. RESULTS: In the immediate postoperative period, pain scores at rest and when swallowing in Groups R and B were significantly lower than those in Group C (21 +/- 17 and 23 +/- 13 vs 42 +/- 16, 28 +/- 22 and 32 +/- 19 vs 62 +/- 14, P < 0.001). The analgesic effect of GNB was strongly correlated with the extent of obtunded gag reflex (P < 0.01). CONCLUSIONS: GNB is a useful method for the palliation of post-tonsillectomy pain. An obtunded gag reflex response may be a clinical indicator for analgesia from GNB.
ISSN
1526-7598 (Electronic)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17578986

http://hdl.handle.net/10371/29531
DOI
https://doi.org/10.1213/01.ane.0000266440.62424.f1
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College of Medicine/School of Medicine (의과대학/대학원)Anesthesiology and Pain Medicine (마취통증의학전공)Journal Papers (저널논문_마취통증의학전공)
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