Impact of Infection on the Risk of Recurrent Stroke among Patients with Acute Ischemic Stroke.
First author:Jie Xu,Gulbahram Yalkun,
Corresponding author:Yongjun Wang,Zixiao Li
2020-06-26
Journal:Stroke
Publication type: Original Contributions
IF(IF): 7.914
PMID: 32586226 Link To Pubmed Full text Download
Infection occurs commonly in patients with acute ischemic stroke. We aimed to investigate the association of infection with short- and long-term risk of recurrent stroke in patients with ischemic stroke.
Data was derived from ischemic stroke patients in 2 stroke registries: The Chinese Stroke Center Alliance programme (CSCA) recorded medical data during hospitalization, and the Third China National Stroke Registry (CNSR-III) recorded the medical data during hospitalization and finished 1-year follow-up. Associations of infection (pneumonia or urinary tract infection) during hospitalization with recurrent stroke in short (during hospitalization) and long term (since 30 days to 1 year after stroke onset) were analyzed. Short-term outcomes were analyzed with Logistic models, and long-term outcomes with Cox models.
Infection was an independent risk factor for high risk of early stroke recurrence during hospitalization, but we have not found its sustained effect on long-term recurrent risk in patients with acute ischemic stroke.
In the CSCA (n=789,596), the incidence of infection during hospitalization reached 9.6%. Patients with infection had a higher risk of stroke recurrence during hospitalization compared with patients without infection (10.4% vs 5.2%; adjusted Odds Ratio [OR], 1.70; 95% Confidence Interval [95%CI], 1.65-1.75; P<0.0001). In the CNSR-III (n=13,549), the incidence of infection during hospitalization was 6.5%. Infection during hospitalization was significantly associated with short-term risk of recurrent stroke (7.4% vs 3.9%; adjusted OR, 1.40; 95%CI, 1.05-1.86; P=0.02), but not with long-term risk of recurrent stroke (7.2% vs 5.2%; adjusted Hazard Ratio, 1.16; 95%CI, 0.88-1.52; P=0.30).