Post-traumatic brain injury olfactory dysfunction: factors influencing quality of life

Fatimah Ahmedy, and Mazlina Mazlan, and Mahmoud Danaee, and Mohd Zulkiflee Abu Bakar, (2020) Post-traumatic brain injury olfactory dysfunction: factors influencing quality of life. European Archives of Oto-Rhino-Laryngology, 277. pp. 1343-1351.

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Abstract

Purpose To evaluate if and how post-traumatic brain injury (TBI) olfactory dysfunction affects the quality of life (QoL). Methods In this case–control observational study, 32 adults with post-TBI olfactory dysfunction (cases) were matched with 32 TBI patients with intact olfactory function (controls). All subjects self-rated their olfactory function using the Visual Analogue Scale (VAS). Cases also underwent objective olfactory function assessment with the Sniffin’ Sticks test, which generated a Threshold, Discrimination, and Identification (TDI) score. QoL was assessed with the Questionnaire for Olfactory Disorders (QOD). Factors evaluated included age, gender, smoking, TBI severity and duration, lesion localisation, and Disability Rating Scale (DRS) score. Results Cases had a higher mean QOD score than controls at 26.31 ± 14.37 and 9.44 ± 8.30, respectively (F = 16.426, p < 0.001, η2 = 0.224). The effect size was large (d = 1.07) with an odds ratio of 7.02. The features of QoL most affected were perception of smell changes, adapting to smell changes, and fear of hazardous substance exposure. DRS score and severity of olfactory dysfunction significantly affected QoL (p < 0.05). Conclusion Post-TBI olfactory dysfunction significantly lowered QoL and increased the likelihood of having a low QoL relative to TBI alone.

Item Type: Article
Uncontrolled Keywords: Anosmia , Quality of life , Brain injury
Subjects: R Medicine > RC Internal medicine
Divisions: FACULTY > Faculty of Medicine and Health Sciences
Depositing User: Noraini
Date Deposited: 28 May 2020 02:28
Last Modified: 28 May 2020 02:28
URI: http://eprints.ums.edu.my/id/eprint/25424

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