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June 23, 2006Ultrasound in Obstetrics and GynecologyOpen Access

Factors affecting technical success of fetal aortic valve dilation

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Key result

Having maternal laparotomy available as an option significantly increased the technical success of fetal aortic valvuloplasty compared to a percutaneous-only approach (83.3% vs. 20.0%, P=0.017).

Why the study?

Does having maternal laparotomy as an option improve the technical success of fetal aortic valvuloplasty in fetuses with critical aortic stenosis?

Population

22 fetuses diagnosed with critical aortic stenosis developing into hypoplastic left heart syndrome (HLHS)

Comparison

Fetal aortic valvuloplasty with maternal… vs Fetal aortic valvuloplasty using only a…

Design

Case_series

Authors

LWLouise Wilkins‐HaugBrigham and Women's HospitalWTWayne TworetzkyPediatric CardiologyCBCarol B. BensonBrigham and Women's Hospital

Discussion

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Implication

Maternal laparotomy option may aid fetal aortic valvuloplasty success; hypothesis-generating from Level 5 data and requires prospective validation.

Study Design

Type

Observational (n=22)

Structured PICO

Does having maternal laparotomy as an option improve the technical success of fetal aortic valvuloplasty in fetuses with critical aortic stenosis?

P
Population
22 fetuses with critical aortic stenosis developing into hypoplastic left heart syndrome undergoing fetal aortic valvuloplasty.
E
Exposure
Fetal aortic valvuloplasty with maternal laparotomy available as an option
C
Comparator
Fetal aortic valvuloplasty using only a percutaneous approach
O
Outcome
Technical success (defined as balloon inflation across the aortic annulus and a broader jet through the aortic valve as assessed by Doppler)surrogate

Main Result

Absolute Event Rate: 83.3% vs 20%

p-value: p=0.017

Having maternal laparotomy available as an option significantly improves the technical success rate of fetal aortic valvuloplasty for critical aortic stenosis.

Limitations

  • The need for laparotomy cannot be predicted by gestational age, body mass index, or placental location.

Cite This Study

Wilkins‐Haug et al. (2006) conducted an observational in Critical aortic stenosis developing into hypoplastic left heart syndrome (HLHS) (n=22). Maternal laparotomy as an option during fetal aortic valvuloplasty vs. Percutaneous approach only was evaluated on Technical success (balloon inflation across the aortic annulus and a broader jet through the aortic valve as assessed by Doppler) (p=0.017). Having maternal laparotomy available as an option significantly increased the technical success of fetal aortic valvuloplasty compared to a percutaneous-only approach (83.3% vs. 20.0%, P=0.017).

synapsesocial.com/papers/6a9d3b898abc1d8b83a4b575https://doi.org/10.1002/uog.2732
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Intrauterine aortic valvuloplasty in fetuses with critical aortic stenosis: experience and results of 24 procedures2011 · 137 citations
  2. 2Procedural, pregnancy, and short‐term outcomes after fetal aortic valvuloplasty2020 · 36 citations
  3. 3Predictors of Technical Success and Postnatal Biventricular Outcome After In Utero Aortic Valvuloplasty for Aortic Stenosis With Evolving Hypoplastic Left Heart Syndrome2009 · 313 citations
  4. 4Technical Success of Fetal Aortic Valvuloplasty in Relation to Center Volumes: A Report From the International Fetal Cardiac Intervention Registry2026
  5. 5Changes in left heart hemodynamics after technically successful in‐utero aortic valvuloplasty2007 · 96 citations