Post-tonsillectomy taste dysfunction: Myth or reality?

Lingual branches of the glossopharyngeal nerve (CN Ⅸ) are at risk of injury during tonsillectomy due to their proximity to the muscle layer of the palatine tonsillar bed. However, it is unclear how often this common surgery leads to taste disturbances. We conducted a literature search using PubMed,...

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Autores principales:	Liuba Soldatova, Richard L. Doty
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2018
Materias:	Otorhinolaryngology RF1-547 Surgery RD1-811
Acceso en línea:	https://doaj.org/article/4ad36de0c99145f38fa5da51d93151c1
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spelling	oai:doaj.org-article:4ad36de0c99145f38fa5da51d93151c12021-12-02T10:50:34ZPost-tonsillectomy taste dysfunction: Myth or reality?2095-881110.1016/j.wjorl.2018.02.008https://doaj.org/article/4ad36de0c99145f38fa5da51d93151c12018-03-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2095881118300180https://doaj.org/toc/2095-8811Lingual branches of the glossopharyngeal nerve (CN Ⅸ) are at risk of injury during tonsillectomy due to their proximity to the muscle layer of the palatine tonsillar bed. However, it is unclear how often this common surgery leads to taste disturbances. We conducted a literature search using PubMed, Embase, Cochrane Library, Google Scholar, PsychInfo, and Ovid Medline to evaluate the available literature on post-tonsillectomy taste disorders. Studies denoting self-reported dysfunction, as well as those employing quantitative testing, i.e., chemogustometry and electrogustometry, were identified. Case reports were excluded. Of the 8 original articles that met our inclusion criteria, only 5 employed quantitative taste tests. The highest prevalence of self-reported taste disturbances occurred two weeks after surgery (32%). Two studies reported post-operative chemical gustometry scores consistent with hypogeusia. However, in the two studies that compared pre- and post-tonsillectomy test scores, one found no difference and the other found a significant difference only for the left rear of the tongue 14 days post-op. In the two studies that employed electrogustometry, elevated post-operative thresholds were noted, although only one compared pre- and post-operative thresholds. This study found no significant differences. No study employed a normal control group to assess the influences of repeated testing on the sensory measures. Overall, this review indicates that studies on post-tonsillectomy taste disorders are limited and ambiguous. Future research employing appropriate control groups and taste testing procedures are needed to define the prevalence, duration, and nature of post-tonsillectomy taste disorders. Keywords: Tonsillectomy, Taste, Ageusia, Hypogeusia, Taste disturbancesLiuba SoldatovaRichard L. DotyKeAi Communications Co., Ltd.articleOtorhinolaryngologyRF1-547SurgeryRD1-811ENWorld Journal of Otorhinolaryngology-Head and Neck Surgery, Vol 4, Iss 1, Pp 77-83 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Otorhinolaryngology RF1-547 Surgery RD1-811
spellingShingle	Otorhinolaryngology RF1-547 Surgery RD1-811 Liuba Soldatova Richard L. Doty Post-tonsillectomy taste dysfunction: Myth or reality?
description	Lingual branches of the glossopharyngeal nerve (CN Ⅸ) are at risk of injury during tonsillectomy due to their proximity to the muscle layer of the palatine tonsillar bed. However, it is unclear how often this common surgery leads to taste disturbances. We conducted a literature search using PubMed, Embase, Cochrane Library, Google Scholar, PsychInfo, and Ovid Medline to evaluate the available literature on post-tonsillectomy taste disorders. Studies denoting self-reported dysfunction, as well as those employing quantitative testing, i.e., chemogustometry and electrogustometry, were identified. Case reports were excluded. Of the 8 original articles that met our inclusion criteria, only 5 employed quantitative taste tests. The highest prevalence of self-reported taste disturbances occurred two weeks after surgery (32%). Two studies reported post-operative chemical gustometry scores consistent with hypogeusia. However, in the two studies that compared pre- and post-tonsillectomy test scores, one found no difference and the other found a significant difference only for the left rear of the tongue 14 days post-op. In the two studies that employed electrogustometry, elevated post-operative thresholds were noted, although only one compared pre- and post-operative thresholds. This study found no significant differences. No study employed a normal control group to assess the influences of repeated testing on the sensory measures. Overall, this review indicates that studies on post-tonsillectomy taste disorders are limited and ambiguous. Future research employing appropriate control groups and taste testing procedures are needed to define the prevalence, duration, and nature of post-tonsillectomy taste disorders. Keywords: Tonsillectomy, Taste, Ageusia, Hypogeusia, Taste disturbances
format	article
author	Liuba Soldatova Richard L. Doty
author_facet	Liuba Soldatova Richard L. Doty
author_sort	Liuba Soldatova
title	Post-tonsillectomy taste dysfunction: Myth or reality?
title_short	Post-tonsillectomy taste dysfunction: Myth or reality?
title_full	Post-tonsillectomy taste dysfunction: Myth or reality?
title_fullStr	Post-tonsillectomy taste dysfunction: Myth or reality?
title_full_unstemmed	Post-tonsillectomy taste dysfunction: Myth or reality?
title_sort	post-tonsillectomy taste dysfunction: myth or reality?
publisher	KeAi Communications Co., Ltd.
publishDate	2018
url	https://doaj.org/article/4ad36de0c99145f38fa5da51d93151c1
work_keys_str_mv	AT liubasoldatova posttonsillectomytastedysfunctionmythorreality AT richardldoty posttonsillectomytastedysfunctionmythorreality
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Post-tonsillectomy taste dysfunction: Myth or reality?

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