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Chorionic villus sampling: technique and training.

Yair J Blumenfeld¹, Jane Chueh

¹Department of Obstetrics and Gynecology, Division of Maternal-Fetal Medicine, Stanford University Medical Center, Stanford, California, USA.

Current Opinion in Obstetrics & Gynecology

|February 16, 2010

Summary

This summary is machine-generated.

Chorionic villus sampling (CVS) is the gold standard for first-trimester prenatal diagnosis. Centralizing CVS procedures in experienced centers improves outcomes and provides training opportunities.

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Area of Science:

Prenatal Diagnosis
Maternal-Fetal Medicine
Genetics

Background:

First-trimester screening is now standard in developed countries, relying on early diagnostic methods like chorionic villus sampling (CVS).
CVS has been clinically practiced for over 30 years, yet optimal techniques and provider training remain areas for development.

Purpose of the Study:

To review recent advancements in chorionic villus sampling (CVS) techniques.
To discuss potential complications associated with CVS.
To highlight current training and certification needs for CVS providers.

Main Methods:

Review of recent literature on chorionic villus sampling (CVS).
Analysis of data regarding CVS-related complications and outcomes.
Examination of current practices in CVS technique and provider training.

Main Results:

Operator experience is crucial for minimizing CVS complications, supporting procedure centralization.
There is ongoing variation in CVS techniques and a lack of consensus on optimal methods.
Existing infrastructure for training and certifying new CVS providers is insufficient.

Conclusions:

Chorionic villus sampling (CVS) remains the gold standard for first-trimester prenatal diagnosis.
Recent data indicate lower CVS loss rates than previously reported, especially in high-volume centers.
Centralizing CVS procedures offers a viable pathway for safe, continuous training of future specialists.