High rate of recanalization of middle cerebral artery occlusion during 2-MHz transcranial color-coded Doppler continuous monitoring without thrombolytic drug.
Stroke
; 33(2): 626-8, 2002 Feb.
Article
em En
| MEDLINE
| ID: mdl-11823681
ABSTRACT
BACKGROUND AND PURPOSE:
Experimental evidence indicates that ultrasound can accelerate thrombolysis. We report our findings on early recanalization during transcranial color-coded Doppler (TCCD) continuous monitoring in acute stroke patients with middle cerebral artery (MCA) main stem occlusion.METHODS:
We performed continuous TCCD monitorings in 6 consecutive patients with acute MCA main stem occlusion using a 2-MHz transducer. Patients were not treated with recombinant tissue plasminogen activator.RESULTS:
Partial recanalization, defined as blunted waveforms, occurred during monitoring in 5 patients (83%). The mean time to beginning of recanalization was 17.2+/-9.6 minutes. Complete recanalization at 24 hours occurred in only 1 patient. The mean National Institutes of Health Stroke Scale score in the patients who recanalized during monitoring was 21.2+/-4.1 at baseline, 19.2+/-5 at 2 hours, and 15.6+/-3.4 at 24 hours (P=0.1).CONCLUSIONS:
In this short series of patients with acute MCA main stem occlusion, not treated with recombinant tissue plasminogen activator, we found a high rate of early partial recanalization during continuous exposure to 2-MHz ultrasound.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Reperfusão
/
Ultrassonografia Doppler Transcraniana
/
Infarto da Artéria Cerebral Média
Limite:
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Ano de publicação:
2002
Tipo de documento:
Article