Spiral electrode for continuous fetal heart rate monitoring during in-utero myelomeningocele repair |
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| Institution: | 1. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, USA;2. Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA;3. Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN, USA;4. Department of Obstetrics and Gynecology Mayo Clinic, Rochester, MN, USA;1. Department of Cardiovascular Surgery;2. Division of Pediatric Cardiology;3. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota |
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| Abstract: | Continuous fetal hemodynamic monitoring during in-utero surgery is desirable, but it is often not feasible without intermittent interruption. We report the use of a fetal spiral electrode for continuous heart rate monitoring during fetal myelomeningocele repair. Fetal echocardiography and a fetal spiral electrode were used to monitor fetal heart rate during in-utero repair at 25 weeks’ gestation. We observed good agreement between echocardiographic and spiral electrode heart rate measurements. Using the Bland-Altman approach, the mean (SD) difference between measurements was 1.8 (3.5) beats per minute with limits of agreement of −5.3 to 8.8 beats per minute. This case illuminates a potential role for a fetal spiral electrode as a real-time adjunct in fetal interventions. |
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| Keywords: | Fetal anesthesia Fetal spiral electrode Fetal surgery |
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