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Chokri Ben Lamine: 50 High Yield Pearls for Therapeutic Phlebotomy
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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?

  1. Aspirin only
  2. Phlebotomy to target Hct <45%
  3. Transfusion
  4. 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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Chokri Ben Lamine Health Hematology Hemostasis Hemostasis News Hemostasis Today Hereditary hemochromatosis Medicine Porphyria cutanea tarda Secondary erythrocytosis Therapeutic Phlebotomy Transfusion Medicine
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