Aggressive mechanical clot disruption

A safe adjunct to thrombolytic therapy in acute stroke?

Elizabeth A. Noser, Hashem Shaltoni, Christiana E. Hall, Andrei V. Alexandrov, Zsolt Garami, Edwin D. Cacayorin, Joon K. Song, James C. Grotta, Morgan S. Campbell

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

Background and Purpose - This study evaluated the safety and efficacy of aggressive mechanical clot disruption (AMCD) in acute stroke patients with persisting middle cerebral artery (MCA) or internal carotid artery (ICA) occlusion after thrombolytic therapy. Methods - Retrospective case series were used from a prospectively collected stroke database on consecutive acute ischemic stroke patients treated with intra-arterial (IA) thrombolytics and mechanical clot disruption during a 5-year interval. Thrombolytic dosage, endovascular techniques, immediate and final recanalization rates, symptomatic hemorrhage, mortality, and outcome were determined. Results - Thirty-two patients received AMCD. Median baseline National Institutes of Health Stroke Scale (NIHSS) score was 18, and median time to initiation of IA treatment was 261 minutes from symptom onset. ICA occlusion was noted in 16 patients and MCA occlusion in 16 patients: 22 received combined IV/IA thrombolytics, 3 received IV thrombolytics, 6 received IA thrombolytics, and 1 patient received no thrombolytics before AMCD. No immediate periprocedural complications were noted. Immediate recanalization was achieved in 38% (50% MCA, 25% ICA) and final recanalization in 75% (88% MCA, 63% ICA) of patients. Favorable outcome occurred in 19 (59%) patients, symptomatic cerebral hemorrhage in 3 (9.4%) patients, and mortality in 4 (12.5%) patients. Conclusion - AMCD can be performed safely with comparable intracerebral hemorrhage and mortality rates to other IA therapies even after use of intravenous thrombolytics in selected patients. Early deployment of this technique leads to immediate recanalization in one third of patients. AMCD may potentially shorten the time to flow restoration and improve overall recanalization rates achieved with IA therapy.

Original languageEnglish (US)
Pages (from-to)292-296
Number of pages5
JournalStroke
Volume36
Issue number2
DOIs
StatePublished - Feb 1 2005
Externally publishedYes

Fingerprint

Mechanical Thrombolysis
Thrombolytic Therapy
Stroke
Internal Carotid Artery
Middle Cerebral Artery
Cerebral Hemorrhage
Mortality
Endovascular Procedures
Middle Cerebral Artery Infarction
National Institutes of Health (U.S.)

Keywords

  • Angioplasty, balloon
  • Endovascular therapy
  • Stroke, acute
  • Thrombolytic therapy

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Neuroscience(all)

Cite this

Noser, E. A., Shaltoni, H., Hall, C. E., Alexandrov, A. V., Garami, Z., Cacayorin, E. D., ... Campbell, M. S. (2005). Aggressive mechanical clot disruption: A safe adjunct to thrombolytic therapy in acute stroke? Stroke, 36(2), 292-296. https://doi.org/10.1161/01.STR.0000152331.93770.18

Aggressive mechanical clot disruption : A safe adjunct to thrombolytic therapy in acute stroke? / Noser, Elizabeth A.; Shaltoni, Hashem; Hall, Christiana E.; Alexandrov, Andrei V.; Garami, Zsolt; Cacayorin, Edwin D.; Song, Joon K.; Grotta, James C.; Campbell, Morgan S.

In: Stroke, Vol. 36, No. 2, 01.02.2005, p. 292-296.

Research output: Contribution to journalArticle

Noser, EA, Shaltoni, H, Hall, CE, Alexandrov, AV, Garami, Z, Cacayorin, ED, Song, JK, Grotta, JC & Campbell, MS 2005, 'Aggressive mechanical clot disruption: A safe adjunct to thrombolytic therapy in acute stroke?', Stroke, vol. 36, no. 2, pp. 292-296. https://doi.org/10.1161/01.STR.0000152331.93770.18
Noser, Elizabeth A. ; Shaltoni, Hashem ; Hall, Christiana E. ; Alexandrov, Andrei V. ; Garami, Zsolt ; Cacayorin, Edwin D. ; Song, Joon K. ; Grotta, James C. ; Campbell, Morgan S. / Aggressive mechanical clot disruption : A safe adjunct to thrombolytic therapy in acute stroke?. In: Stroke. 2005 ; Vol. 36, No. 2. pp. 292-296.
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abstract = "Background and Purpose - This study evaluated the safety and efficacy of aggressive mechanical clot disruption (AMCD) in acute stroke patients with persisting middle cerebral artery (MCA) or internal carotid artery (ICA) occlusion after thrombolytic therapy. Methods - Retrospective case series were used from a prospectively collected stroke database on consecutive acute ischemic stroke patients treated with intra-arterial (IA) thrombolytics and mechanical clot disruption during a 5-year interval. Thrombolytic dosage, endovascular techniques, immediate and final recanalization rates, symptomatic hemorrhage, mortality, and outcome were determined. Results - Thirty-two patients received AMCD. Median baseline National Institutes of Health Stroke Scale (NIHSS) score was 18, and median time to initiation of IA treatment was 261 minutes from symptom onset. ICA occlusion was noted in 16 patients and MCA occlusion in 16 patients: 22 received combined IV/IA thrombolytics, 3 received IV thrombolytics, 6 received IA thrombolytics, and 1 patient received no thrombolytics before AMCD. No immediate periprocedural complications were noted. Immediate recanalization was achieved in 38{\%} (50{\%} MCA, 25{\%} ICA) and final recanalization in 75{\%} (88{\%} MCA, 63{\%} ICA) of patients. Favorable outcome occurred in 19 (59{\%}) patients, symptomatic cerebral hemorrhage in 3 (9.4{\%}) patients, and mortality in 4 (12.5{\%}) patients. Conclusion - AMCD can be performed safely with comparable intracerebral hemorrhage and mortality rates to other IA therapies even after use of intravenous thrombolytics in selected patients. Early deployment of this technique leads to immediate recanalization in one third of patients. AMCD may potentially shorten the time to flow restoration and improve overall recanalization rates achieved with IA therapy.",
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AU - Shaltoni, Hashem

AU - Hall, Christiana E.

AU - Alexandrov, Andrei V.

AU - Garami, Zsolt

AU - Cacayorin, Edwin D.

AU - Song, Joon K.

AU - Grotta, James C.

AU - Campbell, Morgan S.

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AB - Background and Purpose - This study evaluated the safety and efficacy of aggressive mechanical clot disruption (AMCD) in acute stroke patients with persisting middle cerebral artery (MCA) or internal carotid artery (ICA) occlusion after thrombolytic therapy. Methods - Retrospective case series were used from a prospectively collected stroke database on consecutive acute ischemic stroke patients treated with intra-arterial (IA) thrombolytics and mechanical clot disruption during a 5-year interval. Thrombolytic dosage, endovascular techniques, immediate and final recanalization rates, symptomatic hemorrhage, mortality, and outcome were determined. Results - Thirty-two patients received AMCD. Median baseline National Institutes of Health Stroke Scale (NIHSS) score was 18, and median time to initiation of IA treatment was 261 minutes from symptom onset. ICA occlusion was noted in 16 patients and MCA occlusion in 16 patients: 22 received combined IV/IA thrombolytics, 3 received IV thrombolytics, 6 received IA thrombolytics, and 1 patient received no thrombolytics before AMCD. No immediate periprocedural complications were noted. Immediate recanalization was achieved in 38% (50% MCA, 25% ICA) and final recanalization in 75% (88% MCA, 63% ICA) of patients. Favorable outcome occurred in 19 (59%) patients, symptomatic cerebral hemorrhage in 3 (9.4%) patients, and mortality in 4 (12.5%) patients. Conclusion - AMCD can be performed safely with comparable intracerebral hemorrhage and mortality rates to other IA therapies even after use of intravenous thrombolytics in selected patients. Early deployment of this technique leads to immediate recanalization in one third of patients. AMCD may potentially shorten the time to flow restoration and improve overall recanalization rates achieved with IA therapy.

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KW - Endovascular therapy

KW - Stroke, acute

KW - Thrombolytic therapy

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