Why the study?
Does transcranial color-coded sonography (TCCS) yield different blood flow velocity measurements compared to conventional transcranial Doppler (TCD) in normal subjects?
Population
20 normal subjects
Comparison
Transcranial color-coded sonography with angle… vs Conventional transcranial Doppler (TCD)
Design
Cross-sectional
Authors
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May warrant modality-specific reference values; extends comparative data but remains hypothesis-generating for clinical use.
Does transcranial color-coded sonography (TCCS) yield different blood flow velocity measurements compared to conventional transcranial Doppler (TCD) in normal subjects?
Transcranial color-coded sonography with angle correction yields significantly higher blood flow velocities than conventional transcranial Doppler, potentially providing estimates closer to true values.
Martin et al. (1995) studied this question.
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