Document Detail

Xerostomia: A day and night difference.
MedLine Citation:
PMID:  22809589     Owner:  NLM     Status:  Publisher    
PURPOSE: To compare patient-reported xerostomia during daytime and during nighttime with objectively measured parotid and submandibular gland function in a cohort of head-and-neck cancer (HNC) patients treated with RT. MATERIALS AND METHODS: A cohort of 138 HNC patients underwent objective measurements of parotid (PF) and submandibular (SMF) gland function and completed a xerostomia questionnaire (XQ) before RT, at 6weeks, 6months and 1year after RT. No attempt was made to spare the submandibular gland(s). The XQ contained specific questions concerning the sensation of dry mouth during day- (XD) and nighttime (XN), scored on a 5-point Likert scale. Patients with no or mild (grade 1-3) xerostomia and patients with more severe (grade 4-5) complaints were grouped together. RESULTS: Before RT, no association existed between dry mouth complaints and PF or SMF. At 6weeks, 6months and 1year after RT; 37%, 51% and 36% had grade 4-5 XD and 65%, 64% and 56% had grade 4-5 XN, respectively. Patients with grade 4-5 XD and XN had significantly worse SMF at all time points after RT compared to patients with grade 1-3 XD and XN, while PF was significantly worse only at 6weeks after RT. In multivariate analyses, SMF was consistently the most important factor related to XN after treatment. PF significantly influenced XD at 6weeks and 1year after RT. CONCLUSIONS: Differentiating between complaints during day- and nighttime in xerostomia research is necessary. Dry mouth at night is a frequent problem after (parotid-sparing) RT for HNC and is explained by submandibular gland dysfunction. Sparing of the contralateral submandibular gland, in addition to parotid gland sparing, may result in improved patient-reported xerostomia.
Tim Dijkema; Cornelis P J Raaijmakers; Pètra M Braam; Judith M Roesink; Evelyn M Monninkhof; Chris H J Terhaard
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-16
Journal Detail:
Title:  Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology     Volume:  -     ISSN:  1879-0887     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8407192     Medline TA:  Radiother Oncol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
Department of Radiotherapy, University Medical Center Utrecht, The Netherlands.
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