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Pre-Eclampsia

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Systemic analgesia<br />

Pethidine:<br />

prolonged half-life in the mother: 2.5-3 h<br />

prolonged half-life in the neonate: 18-23 h<br />

accumulation of active metabolites: 60 h<br />

subtle neonatal depression for days !<br />

Dr. Marc Coppens<br />

Remifentanil in obstetrics<br />

• Low dose: no efficacy<br />

• High dose: adverse effects<br />

– Maternal desaturation/sedation<br />

– FHR abnormalities<br />

• PCIA remifentanil<br />

– Volikas: 0.5 µ/kg bolus remi, lock out 5 min<br />

– Vs pethidine/meperidine/dolantine<br />

– Pain scores significantly less for remi<br />

– More respiratory depression for pethidine IV<br />

Dr. Marc Coppens<br />

13

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