Prevalence and time course of post-stroke pain: A multicenter prospective hospital-based study
2015
Objective. Pain prevalence data for patients at various stages after
stroke. Design. Repeated cross-sectional, observational epidemiological study. Setting. Hospital-based multicenter study. Subjects. Four hundred forty-three prospectively enrolled
strokesurvivors. Methods. All patients underwent bedside clinical examination. The different types of post-
strokepain (
central post-stroke pain, musculoskeletal pains, shoulder pain,
spasticity-related pain, and headache) were diagnosed with widely accepted criteria during the acute, subacute, and chronic
strokestages. Differences among the three stages were analyzed with χ2-tests. Results. The mean overall prevalence of pain was 29.56% (14.06% in the acute, 42.73% in the subacute, and 31.90% in the chronic post-
strokestage). Time course differed significantly according to the various pain types ( P < 0.001). The prevalence of musculoskeletal and shoulder pain was higher in the subacute and chronic than in the acute stages after
stroke; the prevalence of
spasticity-related pain peaked in the chronic stage. Conversely, headache manifested in the acute post-
strokestage. The prevalence of
central post-stroke painwas higher in the subacute and chronic than in the acute post-
strokestage. Fewer than 25% of the patients with
central post-stroke painreceived drug treatment. Conclusions. Pain after
strokeis more frequent in the subacute and chronic phase than in the acute phase, but it is still largely undertreated.
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