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- Title
Assessment of factors influencing the olfactory bulb volume in patients with post-viral olfactory dysfunction.
- Authors
Hu, Chunhua; Gao, Yang; Feng, Yanjun; Sun, Zhifu; Yu, Zhan
- Abstract
Purpose: To investigate the factors influencing the volume of the olfactory bulb (OB) in patients with post-viral olfactory dysfunction (PVOD). Methods: We collected 92 olfactory bulb volumes from patients with PVOD who underwent a sinus computed tomographic and magnetic resonance imaging (MRI) scan of the head and collected clinical information including gender, age, disease course, minimal cross-sectional area, nasal airway resistance, and olfactory function. OB volume was measured in MRI and the scans were evaluated according to the Lund-Mackay (LM) scoring system. Results: Male patients with PVOD had a larger OB volume (β = 0.284, P < 0.05). OB volume was smaller in patients with a longer course of olfactory dysfunction (β = − 0.254, P < 0.05). According to the LM scoring system, patients with a higher anterior ethmoidal sinus score had smaller OB volume (β = − 0.476, P < 0.05). Conclusions: The study revealed that gender, disease course, and the score of anterior ethmoidal sinusitis can affect the OB volume in patients with PVOD.
- Subjects
MACKAY (Qld.); LUND (Sweden); OLFACTORY bulb; SMELL disorders; MAGNETIC resonance imaging; AIRWAY resistance (Respiration); DISEASE progression
- Publication
European Archives of Oto-Rhino-Laryngology, 2023, Vol 280, Issue 8, p3737
- ISSN
0937-4477
- Publication type
Article
- DOI
10.1007/s00405-023-07932-y