Educational clinical resource
Anaesthesia and monitoring during fetal surgery
Fetal surgery requires procedure-specific maternal anaesthesia, fetal assessment, obstetric readiness, and neonatal or paediatric support.
- 01Fetoscopy
- 02TTTS laser
- 03FETO
- 04Multidisciplinary care
How to navigate Anaesthesia and monitoring during fetal surgery
An educational path from the first question to the next step. It does not replace individual assessment.
- 01Start with the question
Define the pregnancy, fetal, placental, or genetic question.
- 02Build the clinical picture
Combine history, gestation, symptoms, prior results, and the referral question.
- 03Target the assessment
Use the examination, imaging, laboratory, or genetic test that answers that question.
- 04Interpret in context
Separate reassurance, uncertainty, surveillance needs, and time-sensitive findings.
- 05Agree the next step
Coordinate follow-up, referral, treatment discussion, or delivery planning.
Anaesthesia for fetal surgery is tailored to the mother, fetus, gestational age, access route, anticipated duration, need for fetal immobility or analgesia, and the possibility that the operation may need to stop or convert to emergency delivery.
Before the procedure
Preparation may include maternal medical and anaesthetic assessment, blood tests, blood-group and antibody review, venous-thromboembolism assessment, placental mapping, cervical evaluation, fetal imaging, discussion of antenatal corticosteroids when appropriate, consent for transfusion, and an explicit emergency plan.
The team should agree who can make each time-critical decision and whether obstetric, neonatal, paediatric surgical, blood-bank, or intensive-care resources must be immediately available.
During the procedure
Maternal monitoring is determined by the anaesthetic and procedure. Ultrasound may guide access and assess fetal position, heart activity, placental relationships, and complications. Fetal heart-rate monitoring is individualised according to gestation, feasibility, the type of operation, and whether an intervention based on the tracing would be possible and appropriate.
Maternal position, oxygenation, blood pressure, temperature, fluid balance, uterine tone, and analgesia can affect both maternal and fetal wellbeing.
After the procedure
Recovery includes maternal observations, pain and nausea control, bleeding and fluid-loss assessment, fetal assessment, and monitoring for contractions or infection. The duration of hospital observation varies.
The discharge plan should state activity and medicine instructions, the date and place of follow-up, who receives the procedure record, what symptoms require urgent review, and which hospital can manage an emergency related to the procedure.
Anaesthesia safety depends less on one drug choice than on a coordinated system prepared for maternal, fetal, obstetric, and neonatal change.