SCD TCD Risk: Transcranial Doppler (TCD) velocity is the most potent predictor of stroke in children with HbSS/HbSβ⁰.
TCD TAM Velocity (cm/sec)
Verified
Last Review: 2026-07-17
| Velocity (cm/s) | Classification | Management |
|---|---|---|
| < 170 | Normal | Repeat TCD annually. |
| 170 - 199 | Conditional | Repeat TCD every 3–6 months. Consider Hydroxyurea. |
| ≥ 200 | Abnormal | High risk of stroke (10% per year). Initiate chronic transfusion program. |
Adams RJ et al. • New England Journal of Medicine. 1998;339(1):5-11.
View SourceLast Comprehensive Review: 2026-07-17
Scanning Medical Journals
No new significant updates or guidelines matching this topic were found today. We will check again soon.
