Temporal trends in oral intake ability 3 months after acute ischaemic stroke: Analysis of a single-centre database from 2003 to 2011
Makoto Nakajima, Yuichiro Inatomi , Toshiro Yonehara , Yoichiro Hashimoto , Teruyuki Hirano , Yukio Ando
Department of Neurology, Stroke Center, Saiseikai Kumamoto Hospital, Kumamoto, Japan. E-mail: firstname.lastname@example.org
Objective: To analyse the 9-year trend in oral intake ability 3 months after onset in acute stroke patients, with a view to indirect clarification of advances in acute stroke treatment and swallowing rehabilitation.
Methods: A database of patients admitted to our hospital (Saiseikai Kumamoto Hospital, Kumamoto) with acute ischaemic stroke between 2003 and 2011 was analysed. Exclusion criteria were: patients with premorbid modified Rankin Scale score ≥ 1; those who died during hospital stay; and those whose outcomes after 3 months were not recorded. Mode of nutritional intake was investigated with a questionnaire posted to the patient 3 months after stroke onset. Patients were divided into 2 groups according to mode of nutritional intake: an oral intake group and a non-oral intake group. Whether the date or year of admission were related to the proportion of patients with oral intake, independent of other factors, was investigated using a logistic regression model.
Results: Of a total of 2,913 patients, 2,677 (91.9%) were included in the oral intake group. The proportion of patients with oral intake 3 months after stroke increased significantly over the period of analysis (p = 0.034 by Cochran-Armitage test). On logistic regression analysis, the trend was significant after adjustment for age, sex, vascular risk factors, stroke subtype, and stroke severity on admission (odds ratio 1.098, 95% confidence interval 1.029–1.173; per 1 year).
Conclusion: The proportion of ischaemic stroke patients in the institution studied who were capable of oral intake at 3 months post-stroke increased significantly over the past decade, independent of other patient characteristics.
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