An economic analysis of immediate delivery and expectant monitoring in women with hypertensive disorders of pregnancy, between 34 and 37 weeks of gestation (HYPITAT-II)
2017
Objective
To assess the economic consequences of immediate delivery compared with expectant monitoring in women with preterm non-severe hypertensive disorders of pregnancy.
Design
A cost-effectiveness analysis alongside a randomised controlled trial (HYPITAT-II).
Setting
Obstetric departments of seven academic hospitals and 44 non-academic hospitals in the Netherlands.
Population
Women diagnosed with non-severe hypertensive disorders of pregnancy between 340/7 and 370/7 weeks of gestation, randomly allocated to either immediate delivery or expectant monitoring.
Methods
A trial-based cost-effectiveness analysis was performed from a healthcare perspective until final maternal and neonatal discharge.
Main outcome measures
Health outcomes were expressed as the prevalence of respiratory distress syndrome, defined as the need for supplemental oxygen for >24 hours combined with radiographic findings typical for respiratory distress syndrome. Costs were estimated from a healthcare perspective until maternal and neonatal discharge.
Results
The average costs of immediate delivery (n = 352) were €10 245 versus €9563 for expectant monitoring (n = 351), with an average difference of €682 (95% confidence interval, 95% CI −€618 to €2126). This 7% difference predominantly originated from the neonatal admissions, which were €5672 in the immediate delivery arm and €3929 in the expectant monitoring arm.
Conclusion
In women with mild hypertensive disorders between 340/7 and 370/7 weeks of gestation, immediate delivery is more costly than expectant monitoring as a result of differences in neonatal admissions. These findings support expectant monitoring, as the clinical outcomes of the trial demonstrated that expectant monitoring reduced respiratory distress syndrome for a slightly increased risk of maternal complications.
Tweetable abstract
Expectant management in preterm hypertensive disorders is less costly compared with immediate delivery.
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