Clinical Significance of Supraventricular Tachycardia During Pregnancy in Healthy Women
Authors' conclusion
SVT during pregnancy is associated with increased risk for CS and PTL in healthy women.
Study context
- Population
- Primiparous and multiparous women without prior Cesarean section (CS), with structurally normal hearts, admitted in laborSupraventricular tachycardias (SVT) confirmed in 122
- Participants
- 141,769 participants
- Exposure
- SVT during pregnancy vs no SVT
- SVTn = 76
- Outcome
- CS and PTL
Methodological detailscontrols randomly selected 4:1
- Controls randomly selected 4:1
Main finding
As reported in the abstract
SVT
- CS
- 39.5%
- Preterm labor (PTL)
- 30.3%
Control
- CS
- 27.0%
- PTL
- 8.6%
CS
SVT39.5%
Control27.0%
Preterm labor (PTL)
SVT30.3%
Control8.6%
SVT vs ControlOdds ratio (95% CI)
CS, adjusted for age and parity
1.80(1.03–3.10)
Planned CS, adjusted
2.89(1.06–7.89)
PTL, adjusted
4.37(2.30–8.31)
Observational data: associations, not effects.
Further findings
SVT recurrence in women with known SVT before pregnancy
- Medical therapy, OR
- 1.07 (95% CI 0.41-2.80)
- Catheter ablation before pregnancy, OR
- 0.09 (95% CI 0.04-0.23)
Original publication
Clinical Significance of Supraventricular Tachycardia During Pregnancy in Healthy Women. JACC Clin Electrophysiol. Published 24 April 2024. doi:10.
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