Calcium channel blockers can effectively manage both paroxysmal supraventricular tachycardia and preterm labor in pregnant patients due to their tocolytic properties.
May support dual use of calcium channel blockers for PSVT and preterm labor; leaves open confirmation in prospective studies.
Preterm labor is a major clinical hazard causing both maternal and neonatal morbidity and mortality. Paroxysmal supraventricular tachycardia (PSVT) complicated by preterm labor is rare. Of the many drugs used to treat PSVT, only calcium channel blockers are tocolytics. Here, we present the case of a 29-year-old female admitted to our ward with previously diagnosed PSVT and preterm labor at 31 weeks' gestation of her fourth pregnancy. Calcium channel blockers were administered and her uterine contractions subsided. Afterwards, no side effects were noted and she suffered no further tachycardic attacks during her pregnancy. She successfully delivered a full-term baby and received subsequent regular follow-up at the outpatient clinic.
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Ou et al. (2004) studied this question.
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