European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2021
Discrepancies of SARS-CoV-2 testing results among patients with total laryngectomy.
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Fabbris C, Boaria F, Boscolo-Rizzo P, Emanuelli E, Spinato G
Аннотация
PURPOSE: Prevention of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is obtained with nasopharyngeal swabs. By the way, there is no consensus regarding sampling in totally laryngectomized subjects (who thus breathe directly by the tracheostomy and, theoretically, may be infected in the trachea). The aim of this study is to evaluate possible differences between swab results in the trachea and in the nasopharynx of this category of patients.
METHODS: A retrospective chart review was performed in April 2021 among patients who previously had been operated on for total laryngectomy and who underwent swabs for SARS-CoV-2 research in 3 health-care centers in Northern-Eastern Italy. Data regarding the site of swabbing (trachea or nasopharynx) were analyzed. A comprehensive review of the literature regarding the same topic was then performed.
RESULTS: A total of 25 totally laryngectomized subjects underwent swabs. Among them, 5 tested positive in the trachea (1) and in the nasopharynx (4). According to the literature review, 4 more subjects tested positive in the trachea (1) and in the nasopharynx (3). Data were overall divergent and no statistically significant correlations emerged between results of the tests performed in the two sites.
CONCLUSION: Due to these discrepancies, both tracheal and nasopharyngeal swabs are recommended in these kinds of patients, to obtain a reliable test and to avoid false negatives.
METHODS: A retrospective chart review was performed in April 2021 among patients who previously had been operated on for total laryngectomy and who underwent swabs for SARS-CoV-2 research in 3 health-care centers in Northern-Eastern Italy. Data regarding the site of swabbing (trachea or nasopharynx) were analyzed. A comprehensive review of the literature regarding the same topic was then performed.
RESULTS: A total of 25 totally laryngectomized subjects underwent swabs. Among them, 5 tested positive in the trachea (1) and in the nasopharynx (4). According to the literature review, 4 more subjects tested positive in the trachea (1) and in the nasopharynx (3). Data were overall divergent and no statistically significant correlations emerged between results of the tests performed in the two sites.
CONCLUSION: Due to these discrepancies, both tracheal and nasopharyngeal swabs are recommended in these kinds of patients, to obtain a reliable test and to avoid false negatives.