(Stroke. 1997;28:2139-2144.)
© 1997 American Heart Association, Inc.
Articles |
How Do Stroke Units Improve Patient Outcomes?
A Collaborative Systematic Review of the Randomized Trials
Correspondence to P. Langhorne, PhD, MRCP, Academic Section of Geriatric Medicine, 3rd Floor, Center Block, Royal Infirmary, Glasgow G4 0SF, Scotland. E-mail P.Langhorne{at}clinmed.gla.ac.uk
Background and Purpose We sought to clarify the way in which organized inpatient (stroke unit) care can produce reductions in case fatality and in the need for institutional care after stroke.
Methods We performed a secondary analysis of a collaborative systematic review of all randomized trials that compared organized inpatient (stroke unit) care with contemporary conventional care. Nineteen trials were included, of which 18 (3246 patients) could provide outcome data on death, place of residence, and final functional outcome. Data were less complete (but always available for at least 12 trials; 1611 patients) for subgroup analyses examining timing and cause of death and outcomes in patients with different levels of severity of initial stroke.
Results The reduction in case fatality of patients managed in a stroke unit setting developed between 1 and 4 weeks after the index stroke. The reduction in the odds of death was evident across all causes of death and most marked for those deaths considered to be secondary to immobility. However, data were insufficient to permit a firm conclusion. The relative increase in the number of patients discharged home from stroke units as opposed to conventional care was largely attributable to an increase in the number of patients returning home physically independent. Across the range of stroke severity, stroke unit care was associated with nonsignificant increases in the number of patients regaining independence.
Conclusions Within the limitations of the available data, we conclude that organized inpatient stroke unit care probably benefits a wide range of stroke patients in a variety of different ways, ie, reducing death from secondary complications of stroke and reducing the need for institutional care through a reduction in disability.
Key Words: meta-analysis • outcome • rehabilitation • stroke management • stroke units
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