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1.
Front Neurol ; 13: 895182, 2022.
Article in English | MEDLINE | ID: mdl-35847212

ABSTRACT

Background: Recent trials including DIRECT-MT, DEVT, and SKIP have found that direct mechanical thrombectomy (MT) is equally effective as the combination of MT and intravenous thrombolysis. However, the results of the other trials, namely MR-CLEAN NO-IV and the SWIFT-DIRECT trial have failed to confirm the non-inferiority of direct MT vs. the combination therapy. Aim: We aimed to identify prognostic factors of direct MT for anterior circulation large vessel occlusion within 4.5 h. Materials and Methods: Data from January 2018 to January 2022 were retrospectively collected and analyzed. Adult patients with confirmed anterior circulation large vessel occlusion within 4.5 h of onset with baseline NIHSS of ≥6 and baseline ASPECTS of ≥6 treated using direct MT within 6 h were recruited. Results: A total of 140 patients were enrolled in the study with a median age of 65.5 years [interquartile range (IQR), 59-76.5], median baseline NIHSS of 13.5 (IQR, 11-16), and median baseline ASPECTS of 8 (IQR, 7-8). Direct MT was feasible in all patients (100%). Successful reperfusion (mTICI 2b-3) was achieved in 124/140 patients (88.6%) with a low rate of complications (8/140, 5.7%). Any type of intracranial hemorrhage (ICH) and symptomatic ICH occurred in 44/140 (31.4%) and 5/140 (3.6%), respectively. Overall, a good outcome (mRS 0-2) was achieved in 93/140 (66.4%), and the mortality rate was 9.3% (13/140 patients). Using multivariate analysis, lower age [odds ratio (OR), 0.96; 95% CI, 0.92-1.00; P = 0.05], low baseline NIHSS (OR, 0.82; 95% CI, 0.74-0.92; P = 0.00), and absence of ICH (OR, 0.29; 95% CI, 0.10-0.81; P = 0.02) were independently associated with favorable outcome. Independent predictors of mortality were baseline NIHSS (OR, 1.21; 95% CI, 1.01-1.46; P = 0.04), successful reperfusion (OR, 0.02; 95% CI, 0.00-0.58; P = 0.02), and ICH (OR, 0.12; 95% CI, 0.02-0.75; P = 0.02). Further analysis showed that the median mRS at 90 days was significantly better in the MCA occlusion group compared to the ICA plus M1 occlusion group [1 (IQR 0-3) vs. 2 (IQR 1-4); P = 0.05]. Conclusions: Our findings suggest that direct thrombectomy may be an adequate clinical option for younger patients (≤70) experiencing proximal middle artery occlusion within 4.5 h and who have low baseline NIHSS (≤14).

2.
Radiol Case Rep ; 17(6): 1921-1926, 2022 Jun.
Article in English | MEDLINE | ID: mdl-35401901

ABSTRACT

The treatment of a ruptured fusiform distal anterior temporal artery aneurysm is a challenge for the stroke physician, however surgical closure and coil endovascular intervention are options. A total blockage can result in memory problems as well as object-related questions. We'd like to provide the clinical example of a 56-year-old woman with many underlying medical illnesses who was admitted to the hospital with a grade 7/10 headache and a Glasgow score of 15, but no focal neurological deficits, and was diagnosed with a ruptured distal temporal artery aneurysm. The aneurysm is positioned in the distal region, making endovascular intervention difficult to perform. As a result, we used an endovascular approach to repair with bioglue. When a patient develops fusiform aneurysms of the distal temporal artery, our findings provide an additional therapy option.

3.
Front Neurol ; 12: 653820, 2021.
Article in English | MEDLINE | ID: mdl-33897607

ABSTRACT

Background: To date, the role of bridging intravenous thrombolysis before mechanical thrombectomy (MTE) is controversial but still recommended in eligible patients. Different doses of intravenous alteplase have been used for treating patients with acute ischemic stroke from large-vessel occlusion (LVO-AIS) in Asia, largely due to variations in the risks for intracerebral hemorrhage (ICH) and treatment affordability. Uncertainty exists over the potential benefits of treating low-dose alteplase, as opposed to standard-dose alteplase, prior to MTE among patients with LVO-AIS. Aim: The aim of the study was to compare outcomes of low- vs. standard-dose of bridging intravenous alteplase before MTE among LVO-AIS patients. Methods: We performed a retrospective analysis of LVO-AIS patients who were treated with either 0.6 mg/kg or 0.9 mg/kg alteplase prior to MTE at a stroke center in Northern Vietnam. Multivariable logistic regression models, accounting for potential confounding factors including comorbidities and clinical factors (e.g., stroke severity), were used to compare the outcomes between the two groups. Our primary outcome was functional independence at 90 days following stroke (modified Rankin score; mRS ≤ 2). Secondary outcomes included any ICH incidence, early neurological improvement, recanalization rate, and 90-day mortality. Results: We analyzed data of 107 patients receiving bridging therapy, including 73 with low-dose and 34 with standard-dose alteplase before MTE. There were no statistically significant differences between the two groups in functional independence at 90 days (adjusted OR 1.02, 95% CI 0.29-3.52) after accounting for potential confounding factors. Compared to the standard-dose group, patients with low-dose alteplase before MTE had similar rates of successful recanalization, early neurological improvement, 90-day mortality, and ICH complications. Conclusion: In the present study, patients with low-dose alteplase before MTE were found to achieve comparable clinical outcomes compared to those receiving standard-dose alteplase bridging with MTE. The findings suggest potential benefits of low-dose alteplase in bridging therapy for Asian populations, but this needs to be confirmed by further clinical trials.

4.
Ann Indian Acad Neurol ; 23(1): 78-83, 2020.
Article in English | MEDLINE | ID: mdl-32055126

ABSTRACT

BACKGROUND AND PURPOSE: Tandem occlusive lesion, a major challenge for thrombectomy in acute anterior circulation strokes, is poorly represented in randomized trials. This study demonstrates the findings of thrombectomy in tandem occlusion and comparative analysis of two treatment groups (extracranial versus intracranial first subgroup). PATIENTS AND METHODS: We enrolled and divided 17 patients with acute tandem ischemic stroke who received endovascular treatment into two groups. Group 1 with completed (100%) internal carotid artery (ICA) occlusion was treated by an extracranial stent, whereas Group 2 with severe (70%-99%) ICA occlusion was prioritized with intracranial thrombectomy. Data of clinical parameters, imaging and angiographic results, periprocedural complications, and results after 3 months were collected and analyzed. RESULTS: The mean age of patients was 70.2 ± 8.8 years, and males accounted for 94.1%. The National Institutes of Health Stroke Scale and Alberta Stroke Program Early CT Score (ASPECTS) baseline were 16.6 ± 4.2 and 7.6 ± 1.1, respectively, with occlusive side was 52.9% on the right. Group 1 including ten cases (58.8%) was treated extracranial lesion with carotid stent before intracranial thrombectomy, and Group 2 with seven cases (41.2%) was prioritized intracranial thrombectomy. In total 17 procedures, there were ten stent retrievers (58.8%), four aspirations (23.5%), and three Solumbra (17.7%). No re-occlusion of carotid stent postoperation was recorded. The good revascularization (thrombolysis in cerebral infarction 2b-3) was archived in 82.4% of patients, while symptomatic hemorrhage was seen in 2 cases (11.8%). Three months after treatment, patients with favorable clinical outcome (Modified Rankin Scale ≤2) accounted for 47.1%. CONCLUSION: Our study determined a promising outcome with reasonable good recanalization and clinical recovery for endovascular intervention in tandem ischemic. In the subgroup of treatment, "extracranial stent first" had more complex disease with completed ICA occlusion which required longer procedure time may lead to worse outcome.

5.
Acta Neurol Belg ; 120(1): 99-105, 2020 Feb.
Article in English | MEDLINE | ID: mdl-31679149

ABSTRACT

Mechanical thrombectomy (MT) has been demonstrated as an effective treatment for acute ischemic stroke (AIS), thanks to large vessel occlusion (LVO), especially in case of anterior cerebral artery with many randomized clinical trials (RCTs) every year. On the other hand, there is a limited number of basilar artery occlusion (BAO)-related studies which have been conducted. The fact prompts our range of case studies, which furnish BAO understanding with our experience, results and some prognosis factors of MT. This retrospective and single-center study was conducted on 22 patients who were diagnosed with BAO and underwent the treatment of MT from October 2012 to January 2018. Clinical feature such as radiological imaging, procedure complications, and intracranial hemorrhage were all documented and evaluated. All the studies' results based on performance using modified Rankin scale score (mRS) and mortality at 90 days. The results from these BAO patients study indicated that the posterior circulation Acute Stroke Prognosis Early CT Score (pcASPECTS) recorded before the intervention was 7.7 ± 1.6, while the admission National Institutes of Health Stroke Scale (NIHSS) was 17.5 ± 5.4. 15/22 cases achieved successful recanalization (TICI, Thrombolysis in Cerebral Infarction scale, of 2b-3), accounting for 68.2%. The results highlighted 50% of the favorable outcome (mRS 0-2) occupying 11 out of 22 patients in total and the overall mortality was 36.4%. The intracranial hemorrhagic complication was detected in three cases (13.6%). Placing in juxtaposition the poor-outcome group and the favorable-outcome group, we could witness statistically significant difference (P < 0.05) suggesting both good baseline image (pc-ASPECTS ≥ 7) and recanalization (TICI 2b-3) were two good prognosis factors. Our case series showed that MT would be an effective and feasible treatment for BAO. The pre-procedural pcASPECTS ≥ 7 and post-procedural good recanalization (TICI 2b-3) were two important prognosis factors for predicting good clinical outcome.


Subject(s)
Brain Infarction/therapy , Mechanical Thrombolysis/statistics & numerical data , Outcome Assessment, Health Care/statistics & numerical data , Vertebrobasilar Insufficiency/therapy , Aged , Aged, 80 and over , Brain Infarction/complications , Brain Infarction/mortality , Female , Humans , Male , Middle Aged , Prognosis , Retrospective Studies , Vertebrobasilar Insufficiency/complications , Vertebrobasilar Insufficiency/mortality
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