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Sickle Cell (Variants (HbSC: not disease
↓Hgb, but no Sx
1 gene, trait…
Sickle Cell
Variants
HbSC: not disease
- ↓Hgb, but no Sx
- 1 gene, trait
- pregnancy counseling
-
-
a2b2 = Hgb A1
a on Ch 11
- 4 copies
- if absent = hydrops fetalis
-
-
- HY
- do a lot of good as a physician knowing this
-
Pt: Anemia, ↑reticulocytes, ↑bilirubin
- CBC: sickled cells → Hb electrophoresis (once)
Tx:
- Chronic issues
- Acute crisis
- more cells sickle in crisis = more px, issues, ↑ joint pain
- Vasocclusive crisis
- sickled cells, ↑reticulocytes/bili from baseline, ↓Hb
- IVF
- O2 (↓hypoxemia)
- Pain control (no upward limit, give it all)
- ± Abx if infection
f/u: psychosocial stressors
- Hydroxyurea: HbF cant sickle