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EVALUATION OF MECHANICAL THROMBECTOMY OUTCOMES USING THE TIGERTRIEVER STENT AT BACH MAI HOSPITAL
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Abstract
Objective: Evaluating the results of recanalization and clinical recovery of mechanical thrombectomy using stent Tigertriever in patients with acute ischemic stroke. Method and result: From January 2024 to June 2025, 229 patients with acute ischemic stroke underwent mechanical thrombectomy treatment using stent Tigertriever at Radiology Center, Bach Mai Hospital. The average age was 67 ± 13 with 53.7% being male. The average scores of NIHSS, ASPECTS and pcASPECTS were 14.6; 7.5 and 7.6 with the distribution of occlusion sites being 31% internal carotid artery (ICA), 45.8% middle cerebral artery M1, 13.1% middle cerebral artery M2, 4.4% intracranial artery occlusion with extracranial carotid artery stenosis (Tandem) and 5.7% basilar artery occlusion (BA). The good recanalization rate (TICI 2b-3) was 77.3% after using Tigertriever stent for recanalization; And after the entire recanalization process including the use of rescue devices such as balloons and stents, the successful recanalization rate (TICI 2b-3) reached 92.6%. The recanalization rate from the first attempt was 42.4%. 3 months after treatment, patients with good clinical recovery (mRS ≤ 2) accounted for 53.7% while the rate of symptomatic intracranial hemorrhage (sICH) was only 5.7%. Conclusion: Mechanical thrombectomy for patients with acute ischemic stroke due to large artery occlusion using Tigertriever stent is effective with good recanalization rate and high clinical recovery.
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Keywords
Acute ischemic stroke (AIS), Large vessel occlusion (LVO), Mechanical thrombectomy (MT), TigerTriever
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