• Yee-Hyuk Kim, Hee-Jun Park, and Jae-Ho Yoo.
• Department of Otorhinolaryngology-Head & Neck Surgery, Daegu Catholic University School of Medicine, Daegu, Korea.
• Medicine (Baltimore). 2023 Nov 10; 102 (45): e35932e35932.

BackgroundThis study was conducted to determine whether tympanic membrane perforation or chronic otitis media affects the results of an infrared tympanic membrane thermometer in adults.MethodsA literature search was performed using PubMed, Embase, Cochrane Library, Web of Science, and Google Scholar.ResultsFour nonrandomized studies were included in the analysis. The temperatures of the bilateral eardrums (one eardrum with normal condition [control group] and the other eardrum with perforation or chronic otitis media [experimental group]) were measured for the same subject in the studies. The mean and standard deviation of the bilateral tympanic membrane temperatures were used to calculate the mean difference (MD) with a corresponding 95% confidence interval (CI). The fixed-effect model was utilized based on the results of the heterogeneity measurement using the Chi2 test and I2 statistic. The results of a meta-analysis in the normal eardrum (control group) and perforated eardrum, chronic suppurative otitis media with tympanic membrane perforation, or chronic otitis media with cholesteatoma (experimental group) were 343 subjects (MD = 0.05; 95% CI = -0.00 to 0.11; P = .06). A meta-analysis of the normal eardrum (control group) and perforated eardrum or chronic suppurative otitis media with tympanic membrane perforation except for cholesteatoma (experimental group) found 296 subjects (MD = 0.05; 95% CI = -0.01 to 0.11; P = .10).ConclusionWhen the temperatures of the bilateral eardrums were measured using an infrared tympanic membrane thermometer, no difference was observed between the eardrum with perforation or chronic otitis media and the normal eardrum.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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