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Fetal Ductal Constriction

Fetal Ductal Constriction. Fetal Ductal Constriction. Fetal ductal constriction – Use PI. Tulzer G, Gudmundsson S, Sharkey AM, Wood DC, Cohen AW, Huhta JC : Doppler echocardiography of fetal ductus arteriosus: Constriction versus increased right ventricular output. JACC 18:532-6, 1991.

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Fetal Ductal Constriction

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  1. Fetal Ductal Constriction

  2. Fetal Ductal Constriction

  3. Fetal ductal constriction – Use PI Tulzer G, Gudmundsson S, Sharkey AM, Wood DC, Cohen AW, Huhta JC: Doppler echocardiography of fetal ductus arteriosus: Constriction versus increased right ventricular output. JACC 18:532-6, 1991

  4. Fetal Ductal Constriction Constrictors of ductus: Aspirin Indomethacin Ibuprofen Nonsteroidal anti-inflammatory drugs

  5. Fetal Ductal Constriction Ductal constriction: can occur either in singleton or multiple pregnancies. Course: Ductal constriction can lead to total ductal occlusion in utero. Chronic constriction can lead to ductal changes Treatment: Withdrawal of causative medicine Post natal: Persistent PDA is reported

  6. Fetal Ductal Constriction

  7. Fetal Ductal Constriction Withdrawal of the medicine should result in resolution of constriction/occlusion within 2-3 days.

  8. Tricuspid regurgitation dP/dt

  9. Fetal Ductal Constriction Chronic spontaneous constriction could lead to changes in the pulmonary vascular bed from fetal pulmonary hypertension and pulmonary arteriolar muscularization. The maternal hyperoxygenation test is suggested after 30 weeks gestation in such cases to exclude pulmonary vascular abnormal reactivity.

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