Σάββατο 11 Νοεμβρίου 2017

The association between diabetes and olfactory function in adults.

The association between diabetes and olfactory function in adults.

Chem Senses. 2017 Nov 08;:

Authors: Chan JYK, García-Esquinas E, Ko OH, Tong MCF, Lin SY

Abstract
Diabetes is a significant chronic disease that in limited studies has been linked with olfactory dysfunction. We investigated the cross-sectional association between diabetes and olfactory dysfunction in 3,151 adults aged ≥40 years who participated in NHANES 2013-2014 with information on olfactory dysfunction and diabetes. Diabetes was defined from fasting serum glucose ≥126 mg/dl, oral glucose tolerance test ≥200 mg/dl, HbA1c levels ≥6.5%, physician-diagnosed diabetes, or current use of oral hypoglycemic agents and/or insulin. Self-reported olfactory dysfunction was defined as a positive answer to any of the following questions: 1) "Have you had problem with smell in the past 12 months?"; 2) "Have you had a change in the ability to smell since age 25?", or 3) "Do you have phantom smells?". Participants were considered to have severe hyposmia or anosmia if they had <5 correct answers in the 8-item pocket smell test. Analyses were adjusted for the main confounders, including olfactory dysfunction risk factors. Compared to non-diabetics, diabetics under insulin treatment showed a higher prevalence of phantom odors (OR(95%CI): 2.42 (1.16; 5.06)) and a non- significant higher prevalence of severe hyposmia/anosmia (OR(95%CI): 1.57 (0.89; 2.78)). Amongst diabetics, there was a significant trend to severe hyposmia/anosmia for those on more aggressive treatments (OR (95%CI) including oral and insulin treatment compared to those who reported no use of drug treatment, respectively: 1.33 (0.60; 2.96) and 2.86 (1.28; 6.40); p trend 0.01. No association was observed between diabetes duration and prevalence of olfactory dysfunction.

PMID: 29126164 [PubMed - as supplied by publisher]



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