Background: Stroke is the leading cause of disability in adult life. Oropharyngeal dysphagia occurs in 65-90% of cases, and its identification in the acute phase of stroke can prevent complications. Aims: To verify whether oropharyngeal dysphagia during stroke hospitalization is associated with functional capacity assessed by the modified Rankin Scale (mRs) and mortality 90 days after stroke. Methods: A prospective cohort study evaluating 201 patients hospitalized at the Stroke Unit was carried out. Dysphagia was evaluated during hospitalization using a specific protocol to evaluate swallowing biomechanics and the functional oral intake scale (FOIS), in which FOIS 1-3: tube feeding; 4-5: oral feeding requiring food consistency changes; and 6-7: no changes in food consistency. The mRs≥3 at 90 days after discharge was considered disability. The data were adjusted for National Institute of Health Stroke Scale score, sex, age, type of stroke, and thrombolysis. The significance level was 5%. Results: Of the 201 patients evaluated, 42.8% (86) who had dysphagia were older and had a higher severity of stroke. A FOIS score of 6-7 may be a protective factor against disability (mRs<3) (p=0.007). Scores of 1-3 on the FOIS increased the chance of an mRs≥3 after 90 days by 2.88 times (p=0.03), and the use of tube feeding at hospital discharge increased the chance of an mRs≥3 by 13.9 times (p=0.002). Dysphagia at admission (p=0.04) and tube feeding at hospital discharge (p=0.007) increased the chance of mortality within 90 days after stroke. Conclusion: Dysphagia and tube feeding use during hospitalization are associated with disability and mortality 90 days after stroke.
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