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Mar 29, 2026, 11:51
Chokri Ben Lamine: 50 High Yield Pearls for Therapeutic Phlebotomy
Chokri Ben Lamine, Adult Hematology and SCT Assistant Consultant at Oncology Center of Excellence at King Faisal Specialist Hospital and Research Center, shared a post on X:
“Therapeutic Phlebotomy – 50 High-Yield Pearls
- Amount
- Frequency
- Indications
- Technique
Basics
- Controlled removal of whole blood decreases iron, decreases viscosity
- 1 unit (450–500 mL) removes 200–250 mg iron
- Main goals: decreases ferritin OR decreases hematocrit
- First-line in iron overload and PV
- Cheap, effective, guideline-driven.
Indications (Core Hematology)
- Hereditary hemochromatosis
- Secondary erythrocytosis (selected cases)
- Porphyria cutanea tarda
- Transfusional iron overload (if Hb allows)
Other/Selective Uses
- NAFLD with hyperferritinemia (controversial)
- Chronic hepatitis C (historical)
- Sickle cell iron overload (rare; chelation preferred)
- Testosterone-induced erythrocytosis
- Cyanotic heart disease (symptomatic hyperviscosity)
Contraindications / Caution
- Severe anemia (Hb <11–12 g/dL)
- Hemodynamic instability
- Poor venous access
- Advanced cardiac disease (relative)
- Pregnancy (relative; case-by-case)
Amount (How Much?)
- Standard: 450–500 mL per session
- Small patients: 5–7 mL/kg
- Frail/elderly: consider 250–350 mL
- Pediatric: weight-based strictly Adjust by Hb, tolerance, comorbidities
Frequency (Key Differences!)
- Hemochromatosis induction: weekly Until ferritin ~50 ng/mL
- Maintenance: every 2–4 months
- PV: every 2–3 days initially (if needed)
- PV goal: Hct <45% (men) / <42% (women)
- Secondary erythrocytosis: symptom-guided
- Porphyria cutanea tarda: q1–2 weeks
- Always reassess Hb before each session
Targets
- Ferritin target: ~50 ng/mL (HH)
- Avoid ferritin <20 (iron deficiency )
- PV hematocrit target: <45% ( reduces thrombosis)
- Monitor transferrin saturation
- Symptom improvement is key endpoint
Monitoring
- Hb before each session
- Ferritin every 4–8 sessions
- LFTs if liver disease
- Cardiac MRI if severe iron overload
- Watch for iron deficiency symptoms
Technique (Practical)
- Large-bore needle (16–18G)
- Standard blood donation bag
- Patient seated/reclined
- Remove over 10–15 min
- Apply pressure post-procedure
- Hydrate before and after Observe 15–30 min (vasovagal risk)
Complications
- Hypotension, vasovagal syncope
- Iron deficiency (over-treatment)
- Fatigue Local hematoma
Key Clinical Pearls
- HH: phlebotomy first, chelation second
- PV: phlebotomy reduces thrombosis risk (ELN/NCCN)
- Don’t delay treatment waiting genetics
- Always individualize volume and frequency
- Combine with cytoreduction in high-risk PV
MCQ Patient with PV, Hct 52%, best immediate step?
- Aspirin only
- Phlebotomy to target Hct <45%
- Transfusion
- Observation
Answer: B
OSCE Scenario: Middle-aged patient with ferritin 1200:
- Check transferrin saturation
- Start weekly phlebotomy
- Monitor ferritin trend
- Educate on lifelong maintenance”
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