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. 2021 Feb;190(1):67-77.
doi: 10.1007/s11845-020-02286-4. Epub 2020 Jun 30.

Validity of a dysphagia screening test following resection for head and neck cancer

Nobuhide Horii #  1 , Yoko Hasegawa #  2   3 , Ayumi Sakuramoto-Sadakane  1 , Shyota Saito  4 , Tomoki Nanto  4 , Yuta Nakao  4 , Kazuhisa Domen  5 , Takahiro Ono  6 , Hiromitsu Kishimoto  1
Affiliations

Validity of a dysphagia screening test following resection for head and neck cancer

Nobuhide Horii et al. Ir J Med Sci. 2021 Feb.

Erratum in

Abstract

Background: The aim of this study was to evaluate the validity of a dysphagia screening test (DST) in patients who have undergone resection for head and neck cancer (HNC). In addition, we examined whether or not combined effects of DSTs improve the detection accuracy of penetration/aspiration.

Methods: Thirty-six HNC patients were participated. The DST consisted of the repetitive saliva swallowing test (RSST), the water swallowing test (WST), the modified water swallowing test (MWST), the food test (FT), and tongue pressure. A videofluoroscopic swallowing study was conducted, and the penetration-aspiration scale was used for scoring. For statistical analyses, we used the receiver operating characteristic (ROC) analysis. Furthermore, the accuracy of the determination of penetration/aspiration was evaluated by combining two or three DSTs.

Results: The penetration/aspiration could be predicted with moderate accuracy based on MWST and FT. The area under the ROC curve (AUC) values of the MWST and FT were 0.76 (p = 0.03) and 0.80 (p = 0.050), and the sensitivity/specificity was 0.9/0.61 (MWST) and 0.8/0.8 (FT), respectively. As a result of combining 2 or 3 DSTs, the combination of "MWST and FT" was the most accurate, with an AUC of 0.87 (p = 0.02). The combination of three tests had lower accuracy than the combination of two tests.

Conclusion: Based on our results, it is recommended that MWST or FT be used when only one type of DST is performed. In addition, the combination of two DSTs may detect aspiration patients more accurately than one alone.

Keywords: Deglutition; Dysphagia; Head and neck cancer; Screening test; Videofluoroscopic swallowing study.

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