ObjectiveExamine the relationship between depression and changes in smell or taste.Study DesignCross‐sectional analysis of 2011–2012 and 2013–2014 National Health and Nutrition Examination Survey (NHANES).MethodsWe examined 5,275 adults ≥40 years old who completed smell and taste questionnaires as well as a validated depression assessment instrument, the Patient Health Questionnaire (PHQ‐9). Analyses incorporated sampling weights to account for the complex sampling design and associations were analyzed using multivariate logistic regression adjusted for related demographics and socioeconomic data.ResultsThe prevalence of altered smell and taste was 23.0% (95% CI: 20.7–25.3%) and 11.9% (95% CI: 10.7–13.1%), respectively. Among those who met criteria for major depressive disorder, the prevalence of altered smell and taste was higher at 39.8% (95% CI: 33.4–46.1%) and 23.7% (95% CI: 18.7–28.7%), respectively. In a multivariate model adjusting for age, gender, education, major comorbidities, smoking history, heavy alcohol use, sinus disease, cold symptoms, and trauma history, adults ≥40 and <65 years old who reported alterations in smell (OR: 1.64, p = 0.004) and adults ≥40 years old who reported alterations in taste (OR: 1.77, p = 0.001) were more likely to meet criteria for major depressive disorder.ConclusionThere is a strong association between major depression and alterations in smell and taste among certain age groups in the general U.S. population. Primary care providers should screen for depression when patients report changes in smell or taste.Level of Evidence4.
oor olfactory function has been directly implicated in malnutrition, 1 decreased safety, 2 and overall worse quality of life. 3 It is responsible for more than 200 000 physician visits per year, representing a significant public health burden. 4,5 Emerging evidence suggests that olfactory dysfunction is significantly associated with increased all-cause mortality among older adults. 4,[6][7][8][9][10][11] Most notably, a recent study by Liu et al 12 examining community-dwelling older adults aged 71 to 82 years showed clear evidence that poor olfaction alone explains higher long-term mortality, particularly in individuals with excellent to good health at baseline. Liu et al 12 found the elevated risk of mortality of patients with poor olfaction was only partially explained by neurodegenerative dis-ease, cardiovascular disease, and weight loss. Olfaction is emerging as an early indicator of brain aging that can be objectively measured with a relatively simple smell test in the clinical setting.Choi et al 13 previously used the National Health and Nutrition Examination Survey (NHANES) to demonstrate that objectively measured olfactory dysfunction is associated with cognitive impairment independently of demographics and cardiovascular factors. Herein we further investigate the associations of olfactory dysfunction (measured by both objective smell test and self-report) with all-cause 5-year mortality in US adults 40 years or older, independently of cardiovascular factors, cognition, and depression. IMPORTANCE A study of olfactory dysfunction and mortality in a large national cohort will aid in better understanding their association when accounting for multiple relevant factors and possible underlying mechanisms. OBJECTIVE To investigate the association of olfactory dysfunction with all-cause 5-year mortality in US adults.
The perfusion-based human cadaveric ICA injury model achieves high ratings of face and content validity across all levels of surgical trainees, and enables safe, realistic simulation for standardized skull base simulation and future curriculum development. Objective improvements in performance metrics may translate to improved patient outcomes.
IV. Laryngoscope, 128:915-920, 2018.
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