scholarly journals Cost-Effectiveness of Bridging Thrombolysis versus Direct Endovascular Thrombectomy in acute ischemic stroke patients with Large Vessel Occlusion (LVO)

Author(s):  
Xiao Wu
2019 ◽  
Vol 15 (3) ◽  
pp. 324-331 ◽  
Author(s):  
Dylan N Wolman ◽  
David G Marcellus ◽  
Maarten G Lansberg ◽  
Gregory Albers ◽  
Adrien Guenego ◽  
...  

Background Acute ischemic stroke patients with a large-vessel occlusion but mild symptoms (NIHSS ≤ 6) pose a treatment dilemma between medical management and endovascular thrombectomy. Aims To evaluate the differences in clinical outcomes of endovascular thrombectomy-eligible patients with target-mismatch perfusion profiles who undergo either medical management or endovascular thrombectomy. Methods Forty-seven patients with acute ischemic stroke due to large-vessel occlusion, NIHSS ≤ 6, and a target-mismatch perfusion imaging profile were included. Patients underwent medical management or endovascular thrombectomy following treating neurointerventionalist and neurologist consensus. The primary outcome measure was NIHSS shift. Secondary outcome measures were symptomatic intracranial hemorrhage, in-hospital mortality, and 90-day mRS scores. The primary intention-to-treat and as-treated analyses were compared to determine the impact of crossover patient allocation on study outcome measures. Results Forty-seven patients were included. Thirty underwent medical management (64%) and 17 underwent endovascular thrombectomy (36%). Three medical management patients underwent endovascular thrombectomy due to early clinical deterioration. Presentation NIHSS ( P = 0.82), NIHSS shift ( P = 0.62), and 90-day functional independence (mRS 0–2; P = 0.25) were similar between groups. Endovascular thrombectomy patients demonstrated an increased overall rate of intracranial hemorrhage (35.3% vs. 10.0%; P = 0.04), but symptomatic intracranial hemorrhage was similar between groups ( P = 0.25). In-hospital mortality was similar between groups ( P = 0.46), though all two deaths in the medical management group occurred among crossover patients. Endovascular thrombectomy patients demonstrated a longer length of stay (7.6 ± 7.2 vs. 4.3 ± 3.9 days; P = 0.04) and a higher frequency of unfavorable discharge to a skilled-nursing facility ( P = 0.03) rather than home ( P = 0.05). Conclusions Endovascular thrombectomy may pose an unfavorable risk-benefit profile over medical management for endovascular thrombectomy-eligible acute ischemic stroke patients with mild symptoms, which warrants a randomized trial in this subpopulation.


2021 ◽  
Vol 50 (4) ◽  
pp. 397-404
Author(s):  
Kotaro Tatebayashi ◽  
Kazutaka Uchida ◽  
Hiroto Kageyama ◽  
Hirotoshi Imamura ◽  
Nobuyuki Ohara ◽  
...  

<b><i>Introduction:</i></b> The management and prognosis of acute ischemic stroke due to multiple large-vessel occlusion (LVO) (MLVO) are not well scrutinized. We therefore aimed to elucidate the differences in patient characteristics and prognosis of MLVO and single LVO (SLVO). <b><i>Methods:</i></b> The Recovery by Endovascular Salvage for Cerebral Ultra-Acute Embolism Japan Registry 2 (RESCUE-Japan Registry 2) enrolled 2,420 consecutive patients with acute LVO who were admitted within 24 h of onset. We compared patient prognosis between MLVO and SLVO in the favorable outcome, defined as a modified Rankin Scale (mRS) score ≤2, and in mortality at 90 days by adjusting for confounders. Additionally, we stratified MLVO patients into tandem occlusion and different territories, according to the occlusion site information and also examined their characteristics. <b><i>Results:</i></b> Among the 2,399 patients registered, 124 (5.2%) had MLVO. Although there was no difference between the 2 groups in terms of hypertension as a risk factor, the mean arterial pressure on admission was significantly higher in MLVO (115 vs. 107 mm Hg, <i>p</i> = 0.004). MLVO in different territories was more likely to be cardioembolic (42.1 vs. 10.4%, <i>p</i> = 0.0002), while MLVO in tandem occlusion was more likely to be atherothrombotic (39.5 vs. 81.3%, <i>p</i> &#x3c; 0.0001). Among MLVO, tandem occlusion had a significantly longer onset-to-door time than different territories (200 vs. 95 min, <i>p</i> = 0.02); accordingly, the tissue plasminogen activator administration was significantly less in tandem occlusion (22.4 vs. 47.9%, <i>p</i> = 0.003). However, interestingly, the endovascular thrombectomy (EVT) was performed significantly more in tandem occlusion (63.2 vs. 41.7%; adjusted odds ratio [aOR], 2.3; 95% confidence interval [CI], 1.1–5.0). The type of MLVO was the only and significant factor associated with EVT performance in multivariate analysis. The favorable outcomes were obtained less in MLVO than in SLVO (28.2 vs. 37.1%; aOR, 0.48; 95% CI, 0.30–0.76). The mortality rate was not significantly different between MLVO and SLVO (8.9 vs. 11.1%, <i>p</i> = 0.42). <b><i>Discussion/Conclusion:</i></b> The prognosis of MLVO was significantly worse than that of SLVO. In different territories, we might be able to consider more aggressive EVT interventions.


2020 ◽  
Vol 7 (01) ◽  
pp. 1
Author(s):  
Ryan A. Rava ◽  
Maxim Mokin ◽  
Kenneth V. Snyder ◽  
Muhammad Waqas ◽  
Adnan H. Siddiqui ◽  
...  

Stroke ◽  
2020 ◽  
Vol 51 (2) ◽  
pp. 526-532 ◽  
Author(s):  
France Anne Victoire Pirson ◽  
Robert J. van Oostenbrugge ◽  
Wim H. van Zwam ◽  
Michel J.M. Remmers ◽  
Diederik W.J. Dippel ◽  
...  

Background and Purpose— Patients with acute ischemic stroke treated with endovascular thrombectomy may be treated with repeat endovascular thrombectomy (rEVT) in case of recurrent large vessel occlusion. Data on safety and efficacy of these interventions is scarce. Our aim is to report on frequency, timing, and outcome of rEVT in a large nation-wide multicenter registry. Methods— In the Netherlands, all patients with endovascular thrombectomy have been registered since 2002 (MR CLEAN Pretrial registry, MR CLEAN Trial [Multicenter Randomized Clinical Trial of Endovascular Treatment for Acute Ischemic Stroke in the Netherlands], and MR CLEAN Registry). We retrospectively reviewed these databases for anterior circulation rEVT cases. Patient characteristics, procedural data, and functional outcome (modified Rankin Scale at 90 days) were analyzed. Results— Of 3928 patients treated between 2002 and 2017, 27 (0.7%) underwent rEVT. Median time between first and second procedure was 78 (1–1122) days; 11/27 patients were re-treated within 30 days. Cardioembolism was the most common etiology (18 patients [67%]). In 19 patients (70%), recurrent occlusion occurred ipsilateral to previous occlusion. At 90 days after rEVT procedure, 44% of the patients had achieved functional independence (modified Rankin Scale score of 0–2), and 33% had died. Adverse events were 2/27 (7.4%) intracranial hemorrhage, 1/27 (3.7%) stroke progression, and 1/27 (3.7%) pneumonia. Conclusions— In this large nationwide cohort of patients with acute ischemic stroke treated with endovascular thrombectomy, rEVT was rare. Stroke cause was mainly cardio-embolic, and most recurrent large vessel occlusions in which rEVT was performed occurred ipsilateral. Although there probably is a selection bias on repeated treatment in case of recurrent large vessel occlusion, rEVT appears safe, with similar outcome as in single-treated cases.


Neurology ◽  
2021 ◽  
pp. 10.1212/WNL.0000000000012827
Author(s):  
Adam de Havenon ◽  
Alicia Castonguay ◽  
Raul Nogueira ◽  
Thanh N. Nguyen ◽  
Joey English ◽  
...  

ObjectiveTo determine the impact of endovascular therapy for large vessel occlusion stroke in patients with pre-morbid disability versus those without.MethodsWe performed a post-hoc analysis of the TREVO Stent-Retriever Acute Stroke (TRACK) Registry, which collected data on 634 consecutive stroke patients treated with the Trevo device as first-line EVT at 23 centers in the United States. We included patients with internal carotid or middle cerebral (M1/M2 segment) artery occlusions and the study exposure was patient- or caregiver-reported premorbid modified Rank Scale (mRS) ≥2 (premorbid disability, PD) versus premorbid mRS score 0-1 (no premorbid disability, NPD). The primary outcome was no accumulated disability, defined as no increase in 90-day mRS from the patient’s pre-morbid mRS.ResultsOf the 634 patients in TRACK, 407 patients were included in our cohort, of which 53/407 (13.0%) had PD. The primary outcome of no accumulated disability was achieved in 37.7% (20/53) of patients with PD and 16.7% (59/354) of patients with NPD (p<0.001), while death occurred in 39.6% (21/53) and 14.1% (50/354) (p<0.001), respectively. The adjusted odds ratio of no accumulated disability for PD patients was 5.2 (95% CI 2.4-11.4, p<0.001) compared to patients with NPD. However, the adjusted odds ratio for death in PD patients was 2.90 (95% CI 1.38-6.09, p=0.005).ConclusionsIn this study of anterior circulation acute ischemic stroke patients treated with EVT, we found that premorbid disability was associated with a higher probability of not accumulating further disability compared to patients with no premorbid disability, but also with higher probability of death.Classification of EvidenceThis study provides Class II evidence that in anterior circulation acute ischemic stroke treated with EVT, patients with premorbid disability compared to those without disability were more likely not to accumulate more disability but were more likely to die.



Stroke ◽  
2020 ◽  
Vol 51 (6) ◽  
pp. 1879-1882
Author(s):  
Laura Williams ◽  
Maria Helms ◽  
Emily K. Snider ◽  
Brenda Chang ◽  
Sam Singh ◽  
...  

Background and Purpose— A distinguishing feature of our Stroke Network is telestroke nurses who remotely facilitate evaluations. To enable expeditious transfer of large vessel occlusion (LVO) acute ischemic stroke patients presenting to nonthrombectomy centers, the telestroke nurses must immediately identify color thresholded computerized tomography perfusion (CTP) patterns consistent with internal carotid artery (ICA), middle cerebral artery (MCA) segment 1(M1), and MCA segment 2 (M2) LVO acute ischemic stroke. Methods— We developed a 6-month series of tutorials and tests for 16 telestroke nurses, focusing on CTP pattern recognition consistent with ICA, M1, or M2 LVO acute ischemic stroke. We simultaneously conducted a prospective cohort study to evaluate the impact of this intervention. Results— Telestroke nurses demonstrated good accuracy in detecting ICA, M1, or M2 LVO during the first 3 months of teaching (83%–94% accurate). This significantly improved during the last 3 months (99%–100%), during which the likelihood of correctly identifying the presence of any one of these LVOs exceeded that of the first 3 months ( P <0.001). There was a higher probability of correctly identifying any CTP pattern as consistent with either an ICA, M1, or M2 occlusion versus other types of occlusions or nonocclusions (odds ratio, 5.22 [95% CI, 3.2–8.5]). Over time, confidence for recognizing CTP patterns consistent with an ICA, M1, or M2 LVO did not differ significantly. Conclusions— A series of tutorials and tests significantly increased the likelihood of telestroke nurses correctly identifying CTP patterns consistent with ICA, M1, or M2 LVOs, with the benefit of these tutorials and test reviews peaking and plateauing at 4 months.


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