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CT Angiography in Evaluating Large-Vessel Occlusion in Acute Anterior Circulation Ischemic Stroke: Factors Associated with Diagnostic Error in Clinical Practice [INTERVENTIONAL]

BACKGROUND AND PURPOSE:

It is currently not completely clear how well radiologists perform in evaluating large-vessel occlusion on CTA in acute ischemic stroke. The purpose of this study was to investigate potential factors associated with diagnostic error.

MATERIALS AND METHODS:

Five hundred twenty consecutive patients with a clinical diagnosis of acute ischemic stroke (49.4% men; mean age, 72 years) who underwent CTA to evaluate large-vessel occlusion of the proximal anterior circulation were included. CTA scans were retrospectively reviewed by a consensus panel of 2 neuroradiologists. Logistic regression analysis was performed to investigate the association between several variables and missed large-vessel occlusion at the initial CTA interpretation.

RESULTS:

The prevalence of large-vessel occlusion was 16% (84/520 patients); 20% (17/84) of large-vessel occlusions were missed at the initial CTA evaluation. In multivariate analysis, non-neuroradiologists were more likely to miss large-vessel occlusion compared with neuroradiologists (OR = 5.62; 95% CI, 1.06–29.85; P = .04), and occlusions of the M2 segment were more likely to be missed compared with occlusions of the distal internal carotid artery and/or M1 segment (OR = 5.69; 95% CI, 1.44–22.57; P = .01). There were no calcified emboli in initially correctly identified large-vessel occlusions. However, calcified emboli were present in 4 of 17 (24%) initially missed or misinterpreted large-vessel occlusions.

CONCLUSIONS:

Several factors may have an association with missing a large-vessel occlusion on CTA, including the CTA interpreter (non-neuroradiologists versus neuroradiologists), large-vessel occlusion location (M2 segment versus the distal internal carotid artery and/or M1 segment), and large-vessel occlusion caused by calcified emboli. Awareness of these factors may improve the accuracy in interpreting CTA and eventually improve stroke outcome.




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Căn hộ D’Lusso

Căn hộ D’Lusso được đầu tư bởi Công Ty TNHH Kinh doanh địa ốc Minh Thông (thuộc Công ty TNHH XD & KD Nhà Điền Phúc Thành) với quy mô 2 block cao 25 tầng nằm ngay giao lộ đường Song Hành với đường Nguyễn Thị Định, quận 2, Tp.HCM.




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Radisson Blu resort Cam Ranh

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Wednesday Addams plaits and Jurassic Park chic: 14 style lessons

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Regularly attending religious services associated with lower risk of deaths of despair, study finds

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Russo on Hercules Remake: 'We’re Going to Give You a Different Story'

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Britain to quarantine travellers for 14 days, UK airlines association says

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Mod of the Month April 2020 in Association with Corsair

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Missouri House panel dismisses sexual harassment complaint

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Canadian study finds temperature, latitude not associated with COVID-19 spread

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WTA sees more flexibility in new Ericsson deal

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Coronavirus vaccine could be available for public by September, Oxford professor says

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US professor charged with boyfriend's murder begs judge to be freed to join fight against coronavirus

Coronavirus: the symptoms Read our LIVE updates on the coronavirus here




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Top professor demands action from minsters with coronavirus lockdown set to be extended

Scientist tells ministers to get act together over virus tests and planning 'Brexit-style level of control needed' Follow our live coronavirus updates HERE Coronavirus: the symptoms




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The Londoner: Fellowes and a shocking history lesson from 1918

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Professor Stephen Hawking's ventilator donated to NHS to help coronavirus patients

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Professor Chris Whitty says it is 'unlikely' the UK will stay in coronavirus lockdown 'indefinitely'

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Professor Neil Ferguson resigns from Government's Sage committee 'after breaching lockdown rules to meet woman'

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Professor on verge of 'very significant' coronavirus breakthrough shot dead 'in murder-suicide'

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Who is Professor Neil Ferguson and how did he breach lockdown?

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Professor Neil Ferguson 'right' to resign for breaking coronavirus lockdown rules 'to meet woman'

Security minister James Brokenshire said a top scientist "made the right decision" in resigning from the Scientific Advisory Group for Emergencies (Sage ) after he broke lockdown restrictions.




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‘If we felt there was a problem, we wouldn’t have issued it to frontline staff’: Chair of Health Care Supplies Association on PPE

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'Hercules' live-action remake won't be shot-for-shot as Russos want to 'bring something new'

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Matt Hancock 'speechless' at Professor Neil Ferguson's 'extraordinary' breach of coronavirus lockdown rules

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Professor Neil Ferguson's behaviour 'plainly disappointing' but no action will be taken, Scotland Yard says

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Will the post-coronavirus economy come roaring back? Lessons from the 1918 pandemic and the Roaring '20s

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Coronavirus home lesson plans, coming for free in 'Minecraft'

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More users needed: Lessons from Alberta's coronavirus contact tracing app

Alberta's use of a smartphone app to help slow the spread of the coronavirus may provide other provinces with insight on what to do — and what to avoid — as Canada begins easing restrictions, heightening the need for effective contact tracing.



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Hafthor Julius Bjornsson: Game of Thrones star says he 'could have done more' after breaking deadlift world record

He lifted one kilogram more than previous record holder to earn the feat




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Hafthor Julius Bjornsson: Game of Thrones star breaks deadlift world record

He lifted two pounds more than previous world record holder to earn the feat




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Hafthor Bjornsson, Game of Thrones' 'Mountain', breaks world deadlift record

  • Icelandic strongman lifts 1,104 lb at Thor’s Power Gym
  • 31-year-old starred as Ser Gregor Clegane in HBO series

Icelandic actor and strongman Hafthor Bjornsson set a world record for the deadlift on Saturday when he lifted 1,104 lb (501 kg) at Thor’s Power Gym in Iceland.

Related: Sport documentaries: readers recommend their favourite films

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Game of Thrones 'Mountain' Hafthor Bjornsson breaks world deadlift record – video

Icelandic actor and strongman Hafthor Bjornsson set a world record for the deadlift on Saturday when he lifted 1,104 lb (501 kg), over half a metric tonne, at Thor’s Power Gym in Iceland.

Bjornsson, best known for his portrayal of Ser Gregor “The Mountain” Clegane on Game of Thrones, broke the record previously held by Briton Eddie Hall who in 2016 became the first man to lift 500kg

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F1 on track for July resumption after drivers' association backs safety plan

  • Alex Wurz calls measures to deal with coronavirus ‘immaculate’
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The Grand Prix Drivers’ Association is confident the precautions being taken by Formula One mean the sport stands every chance of resuming as planned in Austria on 5 July.

Alex Wurz, chairman of the GPDA, will reassure his members that Formula One has put the safety of everyone involved at the forefront of its plans to return to racing after attending a meeting with F1 and the FIA on Friday.

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'This job puts things into perspective': Love Island's Malin Andersson explains why she's returned to work as a carer

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Joe Wicks raises £200,000 for the NHS with YouTube PE lessons

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Joe Wicks' wife Rosie steps in for PE lesson as Body Coach recovers from hand surgery

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How to follow along with Raymond Blac's virtual cooking lesson this weekend

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Missoma creates Round of Applause necklace to raise funds for the NHS

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World's best teacher warns of 'burn-out' risk if online lessons are too intense

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British couture house Ralph & Russo creates goodie bags for NHS workers

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At Home With Justin Jesso as he gives exclusive performance of If You're Meant to Come Back

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Anthony Russo: 'Iron Man's comeback has to be worth it'

The comic book character was killed off in the finale of last year's Avengers: Endgame.




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Why Arsenal will be confident in transfer race to sign Corentin Tolisso from Bayern

Arsenal and Manchester United have been linked with a move for Bayern Munich star Corentin Tolisso, but it is the Gunners who may have the transfer edge.




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Transfer news LIVE: Kane and Haaland on Man Utd shortlist, Arsenal receive Tolisso boost, Chelsea latest

Welcome to the Evening Standard's live blog covering the latest transfer news and rumours from the Premier League and beyond.




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Liverpool fan Sven-Goran Eriksson: Very hard to declare Premier League null and void




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BBC hire Manchester City's Sergio Aguero to teach Spanish lessons for homeschooling service

Manchester City striker Sergio Aguero will host Spanish lessons for children as part of the BBC's new homeschooling service.