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Background And Purpose: The direct aspiration first pass technique (ADAPT) using distal access catheters (DAC) has proven to be an effective and safe endovascular treatment strategy of acute ischemic stroke with large vessel occlusions (LVO). However, data about direct aspiration using DAC in M2 segment occlusions is limited. We assess the safety and efficacy of DACs in acute M2 occlusions using ADAPT with large bore (5 French /6 French) aspiration catheters as the primary method for endovascular recanalization.
Materials And Methods: From January 2017 to July 2018, 52 patients with an acute ischemic stroke due to M2 occlusions underwent mechanical thrombectomy using ADAPT with DACs (SOFIA 5 French/Catalyst 6) as frontline therapy. Patient demographics, technical parameters and outcome data were recorded.
Results: Median National Institutes of Health Strokes Scale (NIHSS) Score was 12 at admission. Successful revascularization to mTICI 2b-3 with ADAPT alone was achieved in 45 of 52 patients (86.5%) with mTICI 3 achieved in 32 patients (61.5%). Additional stent retrievers were used in 6 patients and led to an overall successful revascularisation of 92.3% (48/52). Median NIHSS at discharge was 4. 29 of 52 (55.8%) patients had a modified Rankin Scale (mRS) Score 0-2 at three months. Symptomatic intracranial hemorrhage did not occur.
Conclusion: DACs can safely be used for mechanical thrombectomy of acute M2 occlusions by the ADAPT approach. Their use alone can be a high efficacious treatment of distal intracranial thromboembolic occlusions.
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| http://dx.doi.org/10.1016/j.neurad.2019.01.096 | DOI Listing |
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