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A Quantitative Study of Olfaction in Multiple SclerosisDepartment of Neurology, New York Medical College, Metropolitan Hospital Center, New York, New York
Department of Neurology, New York Medical College, Metropolitan Hospital Center, New York, New York
Department of Neurology, New York Medical College, Metropolitan Hospital Center, New York, New York
Department of Neurology, New York Medical College, Metropolitan Hospital Center, New York, New York Background: Olfactory function in multiple sclerosis (MS) has not been extensively studied. Anecdotal cases describing disturbances in olfaction in MS have been reported; however, different investigations have yielded conflicting results. We per formed a controlled study using a standardized quantitative test of olfactory function to determine the occurrence of microsmia in MS. Methods: The University of Pennsylvania Smell Identification Test (UPSIT) was administered to sixteen patients with clinically definite MS and fourteen age- and sex- matched controls. Additionally, each patient and control was given a detailed ques tionnaire to ascertain subjective estimates of olfactory function. Patients and con trols with concurrent conditions associated with microsmia or anosmia were excluded from the study. Results: In the patient group, mean expanded disability status scale (EDSS) was 5.2 (range 1.0 to 8.5) and mean disease duration was 12.3 years (3 to 50). One patient had subjective microsmia. Mean UPSIT scores were 32.1 ± 8.1 in the patient group and 34.7 ± 3.0 in the control group. This did not reach statistical signifi cance (p = 0.66). Conclusion: On the basis of the UPSIT, patients with MS do not have significant impairment of olfactory function.
Key Words: Key Words: Olfaction—Multiple sclerosis—Smell identification test.
Neurorehabilitation and Neural Repair, Vol. 10, No. 2,
97-99 (1996) |
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