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[Sonographic patterns by transcranial Doppler in acute cerebral infarction]
A Arauz-Góngora1, C Cantú-Brito, F Barinagarrementería-Aldatz
1Clínica de Enfermedad Vascular Cerebral, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, México D.F.
Summary
Transcranial Doppler (TCD) patterns effectively predict acute ischemic stroke severity, mechanism, and patient prognosis. Specific TCD findings correlate with stroke type, extent, and recovery outcomes.
Area of Science:
- Neurology
- Vascular Neurology
- Neuroimaging
Background:
- Acute ischemic stroke requires prompt diagnosis and prognostication.
- Understanding the link between cerebral blood flow patterns and stroke characteristics is crucial for patient management.
Purpose of the Study:
- To correlate Transcranial Doppler (TCD) findings with the extent, mechanism, and prognosis of acute ischemic stroke.
- To assess the diagnostic and prognostic value of TCD in stroke patients.
Main Methods:
- 37 acute ischemic stroke patients underwent TCD, neuroimaging, and neurological assessment within 24 hours of symptom onset.
- TCD patterns were categorized as normal, stenotic, hemispheric asymmetry, or middle cerebral artery (MCA) trunk occlusion.
- Correlations were analyzed between TCD patterns, brain damage extent, stroke mechanism, and prognosis.
Main Results:
- Normal TCD predicted lacunar infarction and good recovery (p < 0.02).
- Stenotic or asymmetric TCD patterns correlated with cortical infarction and cardioembolic stroke (p < 0.05).
- MCA occlusion indicated large infarction, poor outcome, and mortality (p = 0.004).
Conclusions:
- Transcranial Doppler (TCD) is valuable for predicting stroke prognosis.
- TCD patterns aid in determining the severity, location, and pathophysiologic mechanism of cerebral strokes.
- TCD offers insights into stroke evolution and patient outcomes.