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Endovascular Management May Improve Patient Outcomes in Cases of Acute Stroke: Lancet - Video
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Overview
Stroke related to large vessel occlusion (LVO) is a leading cause of disability and death worldwide. Endovascular therapy (minimally invasive procedures like catheterization done inside the blood vessels) has transformed the management of these patients. Evidence for the treatment benefit has also been extended to patients presenting within 24 hours of symptom onset, along with patients with large ischemic core infarct, and patients with basilar artery occlusion.
However, ongoing knowledge gaps remain including: an understanding of which patients with large ischemic infarct are more likely to benefit from endovascular therapy; the role of endovascular therapy in patients who present with low stroke severity scores on the National Institutes of Health Stroke Scale (NIHSS) or have medium or distal vessel occlusion (blood blockage); and optimal management of patients with underlying intracranial atherosclerotic disease.
In a review article in the journal Lancet, researchers from Boston University Chobanian & Avedisian School of Medicine and international collaborators examined the rationale of recent randomized trial designs and results that have proven the benefit of endovascular therapy, including reviewing current devices and addressing ongoing areas under study.
“Our paper is a contemporary update of the role of endovascular therapy (clot retrieval, rescue stenting) in the treatment of patients with acute ischemic stroke as well as patient selection criteria,” says corresponding author Thanh Nguyen, MD, professor of neurology, neurosurgery and radiology at the school.
Using a Medline database search, the researchers reviewed randomized clinical trials from 2015-24 that compared endovascular therapy to medical management for large vessel occlusion stroke. Medical management included thrombolytic drugs, blood pressure medicine, and vascular risk factor management. They found randomized trials using a new generation of devices unequivocally confirmed the benefit of endovascular therapy over best medical treatment in selected patients.
They also found patient selection for endovascular therapy could be summarized by clinical and imaging criteria with a minimalist approach based on the evolving randomized evidence. “Most patients who present with a NIHSS score of higher than five and anterior circulation occlusion along with patients with an NIHSS of 10 or higher and basilar occlusions without extensive infarction on imaging, are good candidates for endovascular therapy up to the 24-hour window,” explains Nguyen, who also is a neurologist and Director of Interventional Neurology/ Neuroradiology at Boston Medical Center.
Reference: Nguyen, T. N., Abdalkader, M., Fischer, U., Qiu, Z., Nagel, S., Chen, H.-S., Miao, Z., & Khatri, P. (2024). Endovascular management of acute stroke. The Lancet, 404(10459), 1265-1278. https://doi.org/10.1016/S0140-6736(24)01410-7
Speakers
Dr. Bhumika Maikhuri
BDS, MDS
Dr Bhumika Maikhuri is a Consultant Orthodontist at Sanjeevan Hospital, Delhi. She is also working as a Correspondent and a Medical Writer at Medical Dialogues. She completed her BDS from Dr D Y patil dental college and MDS from Kalinga institute of dental sciences. Apart from dentistry, she has a strong research and scientific writing acumen. At Medical Dialogues, She focusses on medical news, dental news, dental FAQ and medical writing etc.