Saturday, 29 March 2025

MAT HEP C X NN

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Neonatal Management of Maternal Hepatitis C (HCV) Exposure

1. Perinatal Transmission Risk

  • Vertical transmission occurs in 5-6% of cases, increasing to 10-15% if the mother is co-infected with HIV.

  • No proven strategies to reduce transmission risk at birth.

2. Delivery Considerations

  • Mode of Delivery: Routine C-section not recommended unless obstetric indications exist.

  • Avoid fetal scalp monitoring and prolonged rupture of membranes to minimize transmission risk.

3. Postnatal Care of the Neonate

  • Breastfeeding: Safe unless the mother has cracked/bleeding nipples.

  • Isolation Precautions: Standard precautions only—no additional isolation required.

  • Hepatitis B and HIV Testing: If maternal co-infection is suspected, follow standard protocols.

4. Diagnostic Testing in the Infant

  • HCV RNA (PCR):

    • Can be tested ≥2 months (earlier testing may have false positives).

    • If negative at 3 months, repeat at 6 months to confirm clearance.

  • Anti-HCV Antibody:

    • Not useful before 18 months due to transplacental maternal antibodies.

    • If positive at 18 months, indicates chronic infection.

5. Follow-up and Long-term Care

  • If HCV RNA positive, refer to pediatric hepatology for monitoring and potential treatment.

  • Direct-acting antiviral (DAA) therapy is not currently approved for children <3 years but may be considered in older children.

  • Monitor liver function and screen for hepatobiliary complications.

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Direct-Acting Antiviral (DAA) Therapy for Pediatric Hepatitis C

1. Indications for Treatment

  • Recommended for children aged ≥3 years with chronic HCV infection (HCV RNA positive).

  • Goal: Achieve sustained virologic response (SVR) and prevent long-term liver damage.

2. FDA-Approved DAA Regimens in Pediatrics

Age Group Preferred DAA Regimen Duration Genotypes Covered Notes
≥3 years Sofosbuvir + Ledipasvir (Harvoni) 12 weeks GT 1, 4, 5, 6 For children ≥17 kg
≥3 years Sofosbuvir + Ribavirin 12–24 weeks GT 2, 3 Weight-based Ribavirin dosing
≥12 years Glecaprevir + Pibrentasvir (Mavyret) 8 weeks All genotypes (1-6) No Ribavirin needed
≥12 years Sofosbuvir + Velpatasvir (Epclusa) 12 weeks All genotypes (1-6) Pan-genotypic

3. Monitoring During Therapy

  • Baseline: HCV genotype, liver function tests (LFTs), HCV RNA, renal function.

  • During Therapy: Monitor adherence and side effects (minimal with DAAs).

  • Post-Treatment (12 weeks after completion): HCV RNA to confirm SVR (cure).

4. Contraindications & Considerations

  • DAAs not approved for children <3 years.

  • Ribavirin-containing regimens require hemoglobin monitoring due to risk of anemia.

  • Avoid co-administration with certain anticonvulsants and rifampin due to drug interactions.

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