Kailash Krishnan
Surgery for Malignant Acute Ischemic Stroke: A Narrative Review of the Knowns and Unknowns
Krishnan, Kailash; Hollingworth, Milo; Nguyen, Thanh N.; Kumaria, Ashwin; Kirkman, Matthew A.; Basu, Surajit; Tolias, Christos; Bath, Philip M.; Sprigg, Nikola
Authors
Milo Hollingworth
Thanh N. Nguyen
Ashwin Kumaria
Matthew A. Kirkman
Surajit Basu
Christos Tolias
PHILIP BATH philip.bath@nottingham.ac.uk
Stroke Association Professor of Stroke Medicine
NIKOLA SPRIGG nikola.sprigg@nottingham.ac.uk
Professor of Stroke Medicine
Abstract
Malignant acute ischemic stroke (AIS) is characterized by acute neurological deterioration caused by progressive space-occupying brain edema, often occurring in the first hours to days after symptom onset. Without any treatment, the result is often fatal. Despite advances in treatment for AIS, up to 80% of patients with a large hemispheric stroke or cerebellar stroke are at risk of poor outcome. Decompressive surgery can be life-saving in a subgroup of patients with malignant AIS, but uncertainties exist on patient selection, predictors of malignant infarction, perioperative management, and timing of intervention. Although survivors are left disabled, most agree with the original decision to undergo surgery and would make the same decision again. In this narrative review, we focus on the clinical and radiological predictors of malignant infarction in AIS and outline the technical aspects of decompressive surgery as well as duraplasty and cranioplasty. We discuss the current evidence and recommendations for surgery in AIS, highlighting gaps in knowledge, and suggest directions for future studies. KEY POINTS: · Acute ischemic stroke from occlusion of a proximal intracranial artery can progress quickly to malignant edema, which can be fatal in 80% of patients despite medical management.. · Decompression surgery is life-saving within 48 hours of stroke onset, but the benefits beyond this time and in the elderly are unknown.. · Decompressive surgery is associated with high morbidity, particularly in the elderly. The decision to operate must be made after considering the individual's preference and expectations of quality of life in the context of the clinical condition.. · Further studies are needed to refine surgical technique including value of duraplasty and understand the role monitoring intracranial pressure during and after decompressive surgery.. · More studies are needed on the pathophysiology of malignant cerebral edema, prediction models including imaging and biomarkers to identify which subgroup of patients will benefit from decompressive surgery.. · More research is needed on factors associated with morbidity and mortality after cranioplasty, safety and efficacy of implants, and comparisons between them.. · Further studies are needed to assess the long-term effects of physical disability and quality of life of survivors after surgery, particularly those with severe neurological deficits..
Citation
Krishnan, K., Hollingworth, M., Nguyen, T. N., Kumaria, A., Kirkman, M. A., Basu, S., …Sprigg, N. (2023). Surgery for Malignant Acute Ischemic Stroke: A Narrative Review of the Knowns and Unknowns. Seminars in Neurology, 43(3), 370-387. https://doi.org/10.1055/s-0043-1771208
Journal Article Type | Article |
---|---|
Acceptance Date | May 22, 2023 |
Online Publication Date | Aug 18, 2023 |
Publication Date | 2023-06 |
Deposit Date | Jun 21, 2023 |
Publicly Available Date | Jul 1, 2024 |
Journal | Seminars in Neurology |
Print ISSN | 0271-8235 |
Electronic ISSN | 1098-9021 |
Publisher | Thieme Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 43 |
Issue | 3 |
Pages | 370-387 |
DOI | https://doi.org/10.1055/s-0043-1771208 |
Keywords | decompressive hemicraniectomy - ventriculostomy - suboccipital craniectomy - acute stroke - morbidity - mortality - indication for surgery - surgical decompression |
Public URL | https://nottingham-repository.worktribe.com/output/22178230 |
Publisher URL | https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0043-1771208 |
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