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Prehospital transdermal glyceryl trinitrate for ultra- acute ischaemic stroke: data from the RIGHT- 2 randomised sham- controlled ambulance trial

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Stroke & Vascular Neurology 2024年第1期9卷 38-49,I0035-I0046页

作者： Jason Philip Appleton Lisa J Woodhouse Craig S Anderson Sandeep Ankolekar lesley cala Mark Dixon Timothy J England Kailash Krishnan Grant Mair Keith W Muir John Potter Christopher I Price Marc Randall Thompson G Robinson Christine Roffe Else C Sandset Jeffrey L Saver Angela Shone Aloysius Niroshan Siriwardena Joanna M Wardlaw Nikola Sprigg Philip M Bath Stroke University Hospitals Birmingham NHS Foundation TrustBirminghamUK Institute of Applied HealthResearch University of Birmingham College of Medical and Dental SciencesBirminghamUK Stroke Trials Unit Mental Health and Clinical NeurosciencesUniversity of NottinghamNottinghamUK Faculty of Medicine The George Institute for Global HealthSydneyNew South WalesAustralia The George Institute China at Peking University Health Science Center BeijingChina Neurology Royal Prince Alfred HospitalSydney Health PartnersSydneyNew South WalesAustralia Department of Neurology King's College Hospital NHS Foundation TrustLondonUK Faculty of Health and Medical Sciences University of Western AustraliaCrawleyWestern AustraliaAustralia East Midlands Ambulance Service NHS Trust NottinghamUK Stroke Queen's Medical CentreNottingham University Hospitals NHS TrustNottinghamUK Centre for Clinical Brain Sciences Dementia Research InstituteUniveristy of EdinburghEdinburghUK Institute of Neurology and Psychology University of GlasgowGlasgowUK Bob Champion Research and Education Building University of East AngliaNorwichUK Institute of Neuroscience Newcastle UniversityNewcastle upon TyneUK Department of Neurology Leeds Teaching Hospitals NHS TrustLeedsUK Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre University of LeicesterLeicesterUK Stroke Research in Stoke Institute for Science and Technology in MedicineKeele UniversityStoke-on TrentUK Department of Neurology Oslo University HospitalOsloNorway Research and Development Norwegian Air Ambulance FoundationOsloNorway Department of Neurology and Comprehensive Stroke Center David Geffen School of MedicineUCLALos AngelesCaliforniaUSA Research and Graduate Services University of NottinghamNottinghamUK Community and Health Research Unit University of LincolnLincolnUK

Background The effect of transdermal glyceryl trinitrate(GTN,a nitrovasodilator)on clinical outcome when administered before hospital admission in suspected stroke patients is ***,we assess the safety and efficacy of GTN in the prespecified subgroup of patients who had an ischaemic stroke within the Rapid Intervention with Glyceryl trinitrate in Hypertensive stroke Trial-2(RIGHT-2).Methods RIGHT-2 was an ambulance-based multicentre sham-controlled blinded-endpoint study with patients randomised within 4hours of *** primary outcome was a shift in scores on the modified Rankin scale(mRS)at day *** outcomes included death;a global analysis(Wei-Lachin test)containing Barthel Index,EuroQol-5D,mRS,telephone interview for cognitive status-modified and Zung depression scale;and neuroimaging-determined‘brain frailty’*** were reported as n(%),mean(SD),median[IQR],adjusted common OR(acOR),mean difference or Mann-Whitney difference(MWD)with 95%*** 597 of 1149(52%)patients had a final diagnosis of ischaemic stroke;age 75(12)years,premorbid mRS>2107(18%),Glasgow Coma Scale 14(2)and time from onset to randomisation 67[45,108]***‘brain frailty’was common:median score 2[2,3](range 0–3).At day 90,GTN did not influence the primary outcome(acOR for increased disability 1.15,95%CI 0.85 to 1.54),death or global analysis(MWD 0.00,95%CI-0.10 to 0.09).In subgroup analyses,there were non-significant interactions suggesting GTN may be associated with more death and dependency in participants randomised within 1hour of symptom onset and in those with more severe *** In patients who had an ischaemic stroke,ultra-acute administration of transdermal GTN in the ambulance did not improve clinical outcomes in a population with more clinical and radiological frailty than seen in previous in-hospital *** IS ALREADY KNOWN ON THIS TOPIC⇒Transdermal glyceryl trinitrate(GTN)was associat-ed with less death and dependency in those w

关键词： Glasgow nitrate random

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Hyperdense artery sign, symptomatic infarct swelling and effect of alteplase in acute ischaemic stroke

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Stroke & Vascular Neurology 2021年第2期6卷 238-243页

作者： Simiao Wu Grant Mair Geoff Cohen Zoe Morris Anders von Heijne Nick Bradey lesley cala Andre Peeters Andrew J Farrall Alessandro Adami Gillian Potter Ming Liu Richard I Lindley Peter A G Sandercock Joanna M Wardlaw the IST-3 Collaborative Group Department of Neurology West China HospitalSichuan UniversityChengduSichuanChina Centre for Clinical Brain Sciences The University of EdinburghEdinburghUK Department of Clinical Sciences Danderyd HospitalStockholmSweden Neuroradiology James Cook University HospitalSouth Tees Hospital NHS TrustMiddlesbroughUK Division of Pathology and Laboratory Medicine School of MedicineThe University of Western AustraliaPerthWestern AustraliaAustralia Department of Neurology Cliniques universitaires Saint-LucBruxellesBelgium Stroke Center IRCCS Sacro Cuore Don CalabriaVeronaItaly Department of Neuroradiology Manchester Centre for Clinical NeurosciencesSalford Royal NHS Foundation TrustSalfordUK Westmead Applied Research Centre Westmead Clinical SchoolThe University of SydneySydneyNew South WalesAustralia The George Institute for Global Health NewtownNew South WalesAustralia UK Dementia Research Institute Centre at the University of Edinburgh EdinburghUnited Kingdom 不详

Background Alteplase improves functional outcomes of patients with acute ischaemic stroke,but its effects on symptomatic infarct swelling,an adverse complication of stroke and the influence of CT hyperdense artery sign(HAS)are *** substudy of the Third International Stroke Trial aimed to investigate the association between HAS and symptomatic infarct swelling and effect of intravenous alteplase on this *** We included stroke patients whose prerandomisation scan was non-contrast ***,masked to clinical information,assessed baseline(prerandomisation)and follow-up(24-48 hours postrandomisation)CT scans for HAS,defined as an intracranial artery appearing denser than contralateral *** infarct swelling was defined as clinically significant neurological deterioration≤7 days after stroke with radiological evidence of midline shift,effacement of basal cisterns or uncal *** Among 2961 patients,HAS presence at baseline was associated with higher risk of symptomatic infarct swelling(OR 2.21;95% CI 1.42 to 3.44).Alteplase increased the risk of swelling(OR 1.69;95% CI 1.11 to 2.57),with no difference between patients with and those without baseline HAS(p=0.49).In patients with baseline HAS,alteplase reduced the proportion with HAS at follow-up(OR 0.67;95% CI 0.50 to 0.91),where HAS disappearance was associated with reduced risk of swelling(OR 0.25,95% CI 0.14 to 0.47).Conclusion Although alteplase was associated with increased risk of symptomatic infarct swelling in patients with or without baseline HAS,it was also associated with accelerated clearance of HAS,which in return reduced swelling,providing further mechanistic insights to underpin the benefits of alteplase.

关键词： infarct swelling effect

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