Anesthetic management during endovascular treatment of acute ischemic stroke in the MR CLEAN Registry
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Abstract
Objective To compare outcomes after endovascular treatment (EVT) for acute ischemic stroke with 3 different types of anesthetic management in clinical practice, as anesthetic management may influence functional outcome.
Methods Data of patients with an anterior circulation occlusion, included in the Dutch nationwide, prospective Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands (MR CLEAN) Registry between March 2014 and June 2016, were analyzed. Patients were divided into 3 groups defined by anesthetic technique performed during EVT: local anesthesia only (LA), general anesthesia (GA), or conscious sedation (CS). Primary outcome was the modified Rankin Scale score at 90 days. To compare functional outcome between groups, we estimated a common odds ratio (OR) with ordinal logistic regression, adjusted for age, sex, prestroke modified Rankin Scale score, baseline NIH Stroke Scale score, collaterals, and time from onset to arrival at intervention center.
Results A total of 1,376 patients were included. Performed anesthetic technique was LA in 821 (60%), GA in 381 (28%), and CS in 174 (13%) patients. Compared to LA, both GA and CS were associated with worse functional outcome on the modified Rankin Scale score at 90 days (GA cORadj 0.75; 95% confidence interval [CI] 0.58–0.97; CS cORadj 0.45; 95% CI 0.33–0.62). CS was associated with worse functional outcome than GA (cORadj 0.60; 95% CI 0.42–0.87).
Conclusions LA is associated with better functional outcome than systemic sedation in patients undergoing EVT for acute ischemic stroke. Whereas LA had a clear advantage over CS, this was less prominent compared to GA.
Classification of evidence This study provides Class III evidence that for patients with acute ischemic stroke undergoing EVT, LA improves functional outcome compared to GA or CS.
Glossary
- ASPECTS=
- Alberta Stroke Program Early CT Score;
- CI=
- confidence interval;
- cORadj=
- adjusted common odds ratio;
- CS=
- conscious sedation;
- CTA=
- CT angiography;
- DSA=
- digital subtraction angiography;
- eTICI=
- extended Thrombolysis in Cerebral Ischemia;
- EVT=
- endovascular treatment;
- GA=
- general anesthesia;
- ICH=
- intracranial hemorrhage;
- LA=
- local anesthesia;
- MR CLEAN=
- Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands;
- mRS=
- modified Rankin Scale;
- NIHSS=
- NIH Stroke Scale;
- sICH=
- symptomatic intracranial hemorrhage
Footnotes
Go to Neurology.org/N for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.
Coinvestigators are listed at links.lww.com/WNL/B16.
Class of Evidence: NPub.org/coe
- Received December 12, 2018.
- Accepted in final form July 12, 2019.
- © 2019 American Academy of Neurology
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Disputes & Debates: Rapid online correspondence
- Reader response: Anesthetic management during endovascular treatment of acute ischemic stroke in the MR CLEAN Registry
- Yao Tang, Doctor, Department of Neurology, Chengdu Shang Jin Nan Fu Hospital (Chengdu, China)
Submitted January 02, 2020
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