Predictors of poor outcome despite recanalization: a multiple regression analysis of the NASA registry
Italo Linfante,Amy K Starosciak,Gail Walker,Guilherme Dabus,Alicia C. Castonguay,Rishi Gupta,Chung Huan J Sun,Coleman O. Martin,William E. Holloway,Nils Mueller-Kronast,Joey English,Tim W. Malisch,Franklin A. Marden,Hormozd Bozorgchami,Andrew R. Xavier,Ansaar T Rai,Michael T. Froehler,Aamir Badruddin,Thanh N. Nguyen,M. Asif Taqi,Michael G. Abraham,Vallabh Janardhan,Hashem Shaltoni,Roberta Novakovic,Albert J Yoo,Alex Abou-Chebl,Peng R Chen,Gavin W. Britz,Ritesh Kaushal,Ashish Nanda,Mohammad A. Issa,Raul G Nogueira,Osama O. Zaidat +32 more
TLDR
Age, occlusion site, high NIHSS, diabetes, no IV t-PA, ≥3 passes, and use of rescue therapy are associated with poor 90-day outcome despite successful recanalization.Abstract:
Background Mechanical thrombectomy with stent-retrievers results in higher recanalization rates compared with previous devices. Despite successful recanalization rates (Thrombolysis in Cerebral Infarction (TICI) score ≥2b) of 70–83%, good outcomes by 90-day modified Rankin Scale (mRS) score ≤2 are achieved in only 40–55% of patients. We evaluated predictors of poor outcomes (mRS >2) despite successful recanalization (TICI ≥2b) in the North American Solitaire Stent Retriever Acute Stroke (NASA) registry. Methods Logistic regression was used to evaluate baseline characteristics and recanalization outcomes for association with 90-day mRS score of 0–2 (good outcome) vs 3–6 (poor outcome). Univariate tests were carried out for all factors. A multivariable model was developed based on backwards selection from the factors with at least marginal significance (p≤0.10) on univariate analysis with the retention criterion set at p≤0.05. The model was refit to minimize the number of cases excluded because of missing covariate values; the c-statistic was a measure of predictive power. Results Of 354 patients, 256 (72.3%) were recanalized successfully. Based on 234 recanalized patients evaluated for 90-day mRS score, 116 (49.6%) had poor outcomes. Univariate analysis identified an increased risk of poor outcome for age ≥80 years, occlusion site of internal carotid artery (ICA)/basilar artery, National Institute of Health Stroke Scale (NIHSS) score ≥18, history of diabetes mellitus, TICI 2b, use of rescue therapy, not using a balloon-guided catheter or intravenous tissue plasminogen activator (IV t-PA), and >30 min to recanalization (p≤0.05). In multivariable analysis, age ≥80 years, occlusion site ICA/basilar, initial NIHSS score ≥18, diabetes, absence of IV t-PA, ≥3 passes, and use of rescue therapy were significant independent predictors of poor 90-day outcome in a model with good predictive power (c-index=0.80). Conclusions Age, occlusion site, high NIHSS, diabetes, no IV t-PA, ≥3 passes, and use of rescue therapy are associated with poor 90-day outcome despite successful recanalization.read more
Citations
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Journal ArticleDOI
First Pass Effect: A New Measure for Stroke Thrombectomy Devices.
Osama O. Zaidat,Alicia C. Castonguay,Italo Linfante,Rishi Gupta,C Martin,William E. Holloway,Nils Mueller-Kronast,Joey English,Guilherme Dabus,Tim W. Malisch,Franklin A. Marden,Hormozd Bozorgchami,Andrew R. Xavier,Ansaar T Rai,Michael T. Froehler,Aamir Badruddin,Thanh N. Nguyen,M. Asif Taqi,Michael G. Abraham,Albert J. Yoo,Vallabh Janardhan,Hashem Shaltoni,Roberta Novakovic,Alex Abou-Chebl,Peng R. Chen,Gavin W. Britz,Chung Huan J Sun,Vibhav Bansal,Ritesh Kaushal,Ashish Nanda,Raul G. Nogueira +30 more
TL;DR: The achievement of complete revascularization from a single Solitaire thrombectomy device pass (FPE) is associated with significantly higher rates of good clinical outcome and the FPE is more frequently associated with the use of balloon guide catheters and less likely to be achieved with internal carotid artery terminus occlusion.
Journal ArticleDOI
Endovascular stent thrombectomy: the new standard of care for large vessel ischaemic stroke
Bruce C.V. Campbell,Geoffrey A. Donnan,Kennedy R. Lees,Werner Hacke,Pooja Khatri,Michael D. Hill,Mayank Goyal,Peter Mitchell,Jeffrey L. Saver,Hans-Christoph Diener,Stephen M. Davis +10 more
TL;DR: The results indicate that modern thrombectomy devices achieve faster and more complete reperfusion than do older devices, leading to improved clinical outcomes compared with intravenous alteplase alone.
Journal ArticleDOI
Time to redefine success? TICI 3 versus TICI 2b recanalization in middle cerebral artery occlusion treated with thrombectomy
TL;DR: In this paper, the authors examined if the clinical relevance of achieving complete (TICI 3) versus "almost" complete reperfusion (tICI 2b) in acute ischemic stroke patients with middle cerebral artery (MCA) occlusion treated with mechanical thrombectomy.
Journal ArticleDOI
Time to Treatment with Intravenous Tissue Plasminogen Activator and Outcome from Acute Ischemic Stroke
Journal ArticleDOI
Impact of Modified TICI 3 versus Modified TICI 2b Reperfusion Score to Predict Good Outcome following Endovascular Therapy.
Cyril Dargazanli,Arturo Consoli,M. Barral,Julien Labreuche,Hocine Redjem,Gabriele Ciccio,Stanislas Smajda,Jean-Philippe Desilles,Guillaume Taylor,Cristian Preda,Oguzhan Coskun,G. Rodesch,Michel Piotin,Raphaël Blanc,Bertrand Lapergue +14 more
TL;DR: Given the improving reperfusion rates obtained with thrombectomy devices, future thromBectomy trials should consider modified TicI 2b and modified TICI 3 status separately.
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