Journal
JOURNAL OF STROKE & CEREBROVASCULAR DISEASES
Volume 29, Issue 4, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jstrokecerebrovasdis.2020.104665
Keywords
Chronic kidney disease; acute stroke; endovascular thrombectomy; nephrology
Categories
Funding
- Neurological Foundation of New Zealand
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Background and Objectives: Chronic kidney disease (CKD) is present in 20% to 35% of acute ischemic stroke patients and may increase the risk of poor functional outcome or death. We aimed to determine whether CKD was associated with worse outcome in stroke patients treated with endovascular thrombectomy (EVT). Design, Setting, Participants, and Measurements: Consecutive EVT patients were identified from a prospective registry and dichotomized into patients with and without CKD, defined as an eGFR of less than 60 mL/min/1.73m(2). The primary outcome was 3-month mortality following EVT. Secondary outcomes included symptomatic intracerebral hemorrhage (defined by the Safe Implementation of Thrombolysis in Stroke-Monitoring Study), early neurological recovery (defined as change in National Institutes of Health Stroke Scale [NIHSS] score of >= 8 at 24 hours or an NIHSS of 0-1 at 24 hours) and functional independence (defined as a modified Rankin Scale [mRS] score of 0, 1 or 2) at 3 months. Results: 378 EVT patients (223 men; mean +/- SD age 65 +/- 15 years) were included. The median (IQR) admission eGFR was 71 (58-89) mL/min/ 1.73 m(2) and 117 (31%) patients had CKD. Multiple logistic regression adjusted for potential confounders demonstrated that CKD was a significant predictor of lower rates of functional independence (OR = .54, 95% CI, .31 to .90, P = .02), higher mRS scores (common OR = 1.78, 95% CI, 1.14 to 2.81, P = .01), and increased mortality (OR = 2.19, 95% CI, 1.16 to 4.12, P = .01). There was no association between CKD and early neurological recovery (OR = .92, 95% CI, .55 to 1.49, P = .71) or symptomatic intracerebral hemorrhage (OR = 1.18, 95% CI, .38 to 3.69, P = .77). Conclusions: CKD was a significant predictor of worse functional outcome and mortality in stroke patients treated with EVT. The presence of CKD should not preclude patients from proceeding to EVT, but may help with prognostication and improve shared decision-making between patients, families and physicians.
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