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Transabdominal chorionic villus sampling: a modified freehand ultrasonographically guided technique
1Department of Obstetrics and Gynecology, Magee-Womens Hospital, University of Pittsburgh, PA.
American Journal of Obstetrics and Gynecology
|February 1, 1992
Summary
A modified transabdominal chorionic villus sampling technique uses extension tubing for improved aspiration. This simple method enhances the procedure for genetic testing during pregnancy.
Area of Science:
- Medical procedures
- Genetics
- Obstetrics
Background:
- Transabdominal chorionic villus sampling (CVS) is a common prenatal diagnostic technique.
- Aspiration during CVS can sometimes be challenging, potentially impacting sample quality.
Purpose of the Study:
- To describe a simple modification to the transabdominal chorionic villus sampling technique.
- To highlight the advantages of this modified approach.
Main Methods:
- A short piece of extension tubing was incorporated between the needle hub and the aspirating syringe.
- This modification was applied to the standard transabdominal CVS procedure.
Main Results:
- The described modification facilitates easier and potentially more efficient sample aspiration.
- The technique is simple to implement without requiring specialized equipment.
Conclusions:
- This modified transabdominal chorionic villus sampling technique offers practical advantages.
- The use of extension tubing may improve the overall execution of CVS procedures.