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The Measurement of Axillary Moisture for the Assessment of Dehydration among Older Patients: A pilot study.
MedLine Citation:
PMID:  23063989     Owner:  NLM     Status:  Publisher    
PURPOSE: Dry axilla can sometimes be found among dehydrated older patients. In this study, we measured the axillary moisture and assessed it as possible marker for dehydration. METHODS: Twenty-nine older patients admitted with acute medical conditions participated in this study. Dehydration was diagnosed by the calculated serum osmolality of greater than 295mOsm/L. The moisture of axilla was measured by a skin moisture impedance meter which was applied at the center of axilla of patients. RESULTS: 11 patients (7 males and 4 females) were diagnosed as dehydrated and 18 patients (10 males and 8 females) were diagnosed as non-dehydrated. The mean axillary moisture (33%) in the dehydrated group was significantly lower than that (42%) in the non-dehydrated group (p<0.05). The axillary moisture>=50% showed the sensitivity of 88%. The axillary moisture <30% showed the specificity of 91%. Use of a single cutoff value of 40% moisture produced the sensitivity of 59% and the specificity of 9%. As for the physical signs, dry axilla had also moderate sensitivity and excellent specificity to detect dehydration. CONCLUSIONS: The measurement of the axillary moisture could help assess dehydration. dehydration could be ruled out when the axillary moisture>=50%, while it could be ruled-in when the axillary moisture is <30%.
Kensuke Kinoshita; Kazuya Hattori; Yoshio Ota; Takao Kanai; Miyuki Shimizu; Hiroyuki Kobayashi; Yasuharu Tokuda
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-11
Journal Detail:
Title:  Experimental gerontology     Volume:  -     ISSN:  1873-6815     ISO Abbreviation:  Exp. Gerontol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0047061     Medline TA:  Exp Gerontol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Inc.
Department of Medicine, Mito Kyodo General Hospital, University of Tsukuba, Mito City, Ibaraki, Japan.
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