Reduced Suprathreshold Odor Identification in Patients with Pseudotumor Cerebri: A Non-Randomized Prospective Study.

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Reduced Suprathreshold Odor Identification in Patients with Pseudotumor Cerebri: A Non-Randomized Prospective Study.

Isr Med Assoc J. 2018 Jan;1(20):34-37

Authors: Dotan G, Cohen E, Klein A, Kesler A

Abstract
BACKGROUND: Recent evidence suggests that olfaction is impaired in patients with pseudotumor cerebri (PTC).
OBJECTIVES: To measure suprathreshold olfactory function by using the University of Pennsylvania Smell Identification Test (UPSIT), assessing its usefulness for routine clinical use.
METHODS: Forty PTC patients underwent USPIT olfactory testing.
RESULTS: Twenty-nine out of 40 (73%) PTC patients (36 women, 4 men; mean age 34 years) had reduced suprathreshold smell sensation according to UPSIT scores: 19 (47%) had mild microsmia, 9 (23%) had moderate microsmia, and one (3%) was classified as having severe microsmia. The mean UPSIT score of all patients was 32.4 (95% confidence interval 31.4-33.4). Multivariate regression analysis found that UPSIT scores were not related to disease activity, disease duration, initial intracranial pressure (ICP), or visual function.
CONCLUSIONS: Many PTC patients have reduced suprathreshold olfactory dysfunction that can be discovered by UPSIT, a rapidly administered smell test, which is suitable for clinical office use.

PMID: 29333792 [PubMed - in process]

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