Risk Factors of Post-operative Sore Throat and Hoarseness
Chinachoti, T.; Pojai, S.; Sooksri, N.; Rungjindamai, C.
Journal of the Medical Association of Thailand 100(4): 463-468
2017
ISSN/ISBN: 0125-2208 PMID: 29911921 Document Number: 17510
To identify the risk factors of post-operative sore throat (POST) with and without hoarseness (PH) after general A retrospective cohort case-controlled study was done at Siriraj Hospital, Mahidol University, Two thousand five hundred three cases were analyzed. Incidences of POST and PH were 41 and 19.7% respectively, mostly graded as mild symptoms. When severity of POST was increased, the incidence of PH also increased significantly (p<0.001). Both POST and PH were strictly related to insertion of ETT. The use of LMA instead of ETI reduced the incidences of POST and PH effectively. In female patients, reduction of ETT from size 7.5 to 7 reduced incidences of POST significantly. The use of LMA reduced the incidences of both POST and PH. This conclusion is limited to selected cases and
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