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[Percutaneous mitral valvuloplasty during pregnancy].

F Viñals¹, A Olmos, I Sequel

¹Sección Cardiología, Hospital Clínico Regional Guillermo Grant Benavente, Concepción.

Revista Chilena De Obstetricia Y Ginecologia

|January 1, 1992

Summary

Percutaneous mitral valvuloplasty (PMV) offers a safe and effective treatment for severe mitral stenosis in pregnant patients during the third trimester. This minimally invasive procedure improved cardiac function and resulted in healthy term deliveries without complications.

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Area of Science:

Cardiology
Interventional Cardiology
Maternal-Fetal Medicine

Background:

Mitral valve stenosis (MVS) in pregnancy poses significant risks to both mother and fetus.
Surgical commissurotomy carries a high fetal risk, necessitating alternative treatment options.
Percutaneous mitral valvuloplasty (PMV) is explored as a safer alternative for MVS during pregnancy.

Observation:

Three pregnant patients in their third trimester with severe MVS, classified as NYHA (New York Heart Association) CF III and refractory to medical management, underwent PMV.
The transseptal double balloon technique was employed, with lead aprons used for fetal protection.
Patients were monitored for procedural success and maternal-fetal outcomes.

Findings:

PMV successfully increased mitral valve area from 1 cm² to 2 cm² in all patients.

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No significant development of mitral regurgitation was observed post-procedure.

All three infants were delivered at term with normal weight and without complications.

Implications:

PMV emerges as an ideal and safe interventional treatment for severe mitral stenosis during pregnancy.
This technique offers a viable alternative to high-risk surgical interventions for pregnant women with MVS.
Successful PMV contributes to improved maternal and fetal outcomes in high-risk pregnancies.