cordocentesis
Pronunciation: kor-doh-sen-TEE-sis
Percutaneous umbilical blood sampling procedure for fetal diagnosis or treatment.
Full Definition
Cordocentesis, also known as percutaneous umbilical blood sampling (PUBS), involves needle insertion into the umbilical cord vessels under ultrasound guidance to obtain fetal blood samples or provide treatment. The procedure is performed for genetic testing, assessment of fetal anemia, acid-base status determination, or intrauterine transfusion. In fetal surgery contexts, cordocentesis may be used for preoperative assessment or postoperative monitoring. The procedure carries risks including bleeding, infection, and fetal bradycardia requiring immediate delivery.
Usage
Usage note: Preferred term over 'PUBS' in formal documentation; specify indication clearly.
In Context
- "Cordocentesis confirmed severe fetal anemia with hemoglobin of 6.2 g/dL at 28 weeks' gestation." — Diagnostic procedure report
- "Emergency cordocentesis was performed for intrauterine transfusion following laser ablation complications." — Emergency procedure note