1. Subacute Neurological Improvement Predicts Favorable Functional Recovery After Intracerebral Hemorrhage: INTERACT2 Study.
- Author
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You S, Zheng D, Chen X, Wang X, Ouyang M, Han Q, Cao Y, Delcourt C, Song L, Carcel C, Arima H, Liu CF, Lindley RI, Robinson T, Anderson CS, and Chalmers J
- Subjects
- Humans, Male, Female, Middle Aged, Aged, Prognosis, Treatment Outcome, Cerebral Hemorrhage physiopathology, Cerebral Hemorrhage mortality, Recovery of Function physiology
- Abstract
Background: The frequency and prognostic significance of subacute neurological improvement (SNI) on 90-day outcomes after acute intracerebral hemorrhage are unknown., Methods: Secondary analyses of participant data from the INTERACT2 trial (Second Intensive Blood Pressure Reduction in Acute Intracerebral Hemorrhage Trial). SNI included any, moderate, significant, and substantial neurological improvement defined as ≥1, ≥2, ≥3, and ≥4 points decrease, respectively, on the National Institutes of Health Stroke Scale from 24 hours to 7 days after intracerebral hemorrhage. Logistic regression models were used to assess associations of SNI and death or major disability (modified Rankin Scale score of 3-6), major disability (modified Rankin Scale scores, 3-5), and death alone at 90 days. Data are reported as odds ratios and 95% CIs., Results: Of 2571 patients included in analyses, 1492 (58.0%), 1057 (41.1%), 731 (28.4%), and 490 (19.1%) patients experienced any, moderate, significant, and substantial SNI (24 hours to 7 days) after intracerebral hemorrhage, respectively. After adjustment for key confounders, any SNI was associated with 49%, 25%, and 65% reduced odds of death or major disability (odds ratio, 0.51 [95% CI, 0.42-0.63]), major disability alone (odds ratio, 0.75 [95% CI, 0.63-0.90]), and death (odds ratio, 0.35 [95% CI, 0.24-0.50]), respectively. Moderate, significant, and substantial SNI were also significantly associated with decreased odds of death or major disability at 90 days. The relationship between any SNI and study outcomes was consistent in most subgroups, including age and baseline hematoma volume. Early intensive blood pressure-lowering treatment did not increase the odds of SNI., Conclusions: SNI from 24 hours to 7 days is common after intracerebral hemorrhage and predicts a lower likelihood of death or major disability., Registration: URL: https://www.clinicaltrials.gov; Unique identifier: NCT00716079., Competing Interests: Dr You holds the National Natural Science Foundation of China (82471226), Jiangsu Provincial Medical Key Discipline (ZDXK202217), and the 6th Jiangsu Province 333 High Level Talents Training Project. Dr Ouyang reports grant funding from Medical Research Future Fund. Dr Wang holds an investigator grant from the National Health and Medical Research Council (NHMRC) of Australia. Dr Anderson holds a NHMRC Senior Investigator Fellowship and reports grant funding from NHMRC, MRC, Penumbra, Takeda China, and compensation from AstraZeneca Australia for consultant services. Dr Carcel is supported by NHMRC Investigator Grant of Australia, Emerging Leadership 1 (APP2009726), and receives research support from Bayer. Dr Lindley holds an investigator grant from the NHMRC of Australia. Dr Arima reports grants and personal fees from Daiichi Sankyo, grants and personal fees from Takeda, nonfinancial support from Phillips, and personal fees from Bayer, Fukuda Denshi, MSD, Teijin, and Kyowa Kirin outside the submitted work. Dr Chalmers reports grants from NHMRC outside the submitted work. Dr Robinson is a National Institute for Health and Care Research Senior Investigator and reports grants from British Heart Foundation and Stroke Association of the United Kingdom during the conduct of the study. The other authors report no conflicts.
- Published
- 2025
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