Journal
LARYNGOSCOPE
Volume 133, Issue 8, Pages 1796-1805Publisher
WILEY
DOI: 10.1002/lary.30550
Keywords
patient reported outcome measures; sialadenitis; Sjogren's syndrome; systematic review; xerostomia
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This study aimed to systematically review and analyze patient-reported outcome measures (PROMs) for assessing salivary gland function. The study found that there are differences in the extent of validation and domain types addressed in the existing PROMs. A total of 16 PROMs were identified, mainly focusing on xerostomia, sialadenitis, Sjogren's syndrome, etc. However, these PROMs varied in their ability to meet design and validation standards, with limitations in content validity.
ObjectiveA number of patient-reported outcome measures (PROMs) assess quality of life and symptom severity in patients with salivary gland dysfunction, but many vary in the extent of validation and domain types addressed. We identified PROMs validated to measure salivary gland function and analyzed key properties. Data SourcesPubMed, Web of Science, Embase, PsycInfo, and CINAHL. Review MethodsA systematic review was performed using Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. Validated instruments with >1 item to assess salivary gland-related symptoms were included. PROMs were evaluated for developmental methodology, structure, validity, and reliability using Consensus-based Standards for the Selection of Health Measurement Instruments (COSMIN) criteria. ResultsA total of 2059 abstracts were retrieved, and 133 full-text articles were reviewed. Sixteen PROMs assessing xerostomia (n = 7), sialadenitis (n = 4), Sjogren's syndrome (n = 2), Parkinson's-associated sialorrhea (n = 2), and oral systemic sclerosis (n = 1) were identified. Most (n = 15) were developed de novo, one was adapted from a pre-existing questionnaire. Eleven PROMs demonstrated very good analysis of internal consistency per COSMIN criteria, and 10 included test-retest data. Regarding content validity, four PROMs were developed with both patient and physician input, but none were rated as adequate. All included comparisons against other questionnaires (n = 7), salivary flow rate (n = 9), and/or healthy controls (n = 3). The most rigorously developed PROM, the Xerostomia Inventory, was rated adequate in 6 out of 7 domains. ConclusionsSeveral PROMs evaluate salivary function. The abilties of these PROMs to meet design and validation standards were variable, with notable limitations in content validity for all tools. New and updated PROMs assessing obstructive and inflammatory salivary symptoms should utilize patient and provider input. Level of EvidenceN/A Laryngoscope, 2023
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