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- Title
Increase in the Admission of Stroke Mimics after Change in Emergency Shifts.
- Authors
Vargas, Mariana; Costa, Mariana; Pinho e Melo, Teresa; Ferro, José M.; Fonseca, ana Catarina
- Abstract
Background: In 2010, changes were made to the shift pattern of neurology residents for cover in the Emergency Department at a university hospital. This resulted in a decrease in the number of emergency hours worked by neurology specialists and allowed for a natural quasi-experiment. Aim: We aimed to evaluate if changes to the number of emergency hours worked by neurology residents and specialist neurologists, (intervention) altered the number or pattern of admitted stroke mimics (SMs). Methods: Observational retrospective study from January 2007 to December 2013. Time of intervention was set as August 2010. We used a segmented linear regression - ARIMA - to evaluate changes in the temporal pattern of admitted SMs. A statistical correlation between the number of emergency hours worked by neurology residents and the number of admitted SMs was calculated using the Pearson Correlation Coefficient. Results: Of the 2,552 patients admitted to the stroke unit, 290 were SMs (11.4%). After August 2010, there was an increase in the number of admitted SMs ( p = 0.003). After 2010, the most frequent SM diagnosis changed from a psychiatric condition to peripheral vertigo. A positive correlation was found between the number of hours worked primarily by neurology residents and the number of admitted SMs (Pearson correla- tion coefficient = 0.94; p = 0.002). Conclusions: Changes in the pattern of Emergency Department shifts were associated with an increase in the rate of admitted SMs and with a higher number of mimics with a final diagnosis of peripheral vertigo.
- Subjects
STROKE; CEREBROVASCULAR disease
- Publication
Cerebrovascular Diseases, 2017, Vol 44, Issue 1/2, p68
- ISSN
1015-9770
- Publication type
Article
- DOI
10.1159/000475823