Department of Otolaryngology, Yozgat Bozok University School of Medicine, Yozgat, Turkey
Nasolacrimal transition time in patients with multiple sclerosis
Purpose: To measure the duration of nasolacrimal transition in patients with Multiple Sclerosis (MS), to compare the findings with the healthy population and to investigate the relationship between MS-related disability and nasolacrimal transition time.
Methods: A total of 73 individuals including 37 patients with relapsing-remitting MS and 36 healthy volunteers were included in the study. In both groups the nasolacrimal transition time was measured using flurosein drops. The degree of disability of MS patients was calculated according to the Expanded Disability Status Scale (EDSS).
Results: There was a significant difference between MS patients and control group in terms of the median value of nasolacrimal transition time in (240 s (min: 85, max: 724) and 58.5 s (min: 21, max: 428), respectively) (p < 0.001). A positive correlation was found between EDSS scores and nasolacrimal transition time of MS patients (r = 0.384, p = 0.019).
Conclusion: This study showed that nasolacrimal transition time is prolonged in MS patients and there is a relationship between the degree of MS-related disability and the nasolacrimal transition time. This is the first study in the literature on this subject and the results of our study have the potential to shed light on the causes of common infections in MS patients. Long-term prospective studies are needed to further investigate the relationship between prolonged nasolacrimal transition and infections in MS patients.
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