Hemodynamic Monitoring During Craniosynostosis Surgery: Comparing Traditional and Newer Technology Monitors (CRASY-PRAM)

Condition(s) studied

Investigational drug(s) / intervention(s)

Intraoperative monitoring: ANESTHESIOLOGICAL MANAGEMENT accords to usual practice. Participants underwent preoperative fasting (3 h for breast milk, 4 h for formula milk, and 1 h for clear liquids), no premedication, induction and maintenance by sevoflurane, fentanyl boluses for analgesia, mechanical ventilation (PEEP 4 cm H2O, target tidal volume 6-8 ml/Kg, end tidal CO2 32-40 mmHg), 10 ml/Kg/h of intraoperative fluids. Scalp block is performed before surgery. MONITORING DURING SURGERY: monitor devices routinely used are connected to the participant: Dräger Infinity Delta XL®, Masimo® for pulse oximetry (Rainbow SET), regional cerebral oximetry (O3TM), and (optional) brain function monitoring (Masimo® SedLine). Arterial blood gas test is sampled at the anesthesiologist's discretion. After the artery catheterization, the MostCare® system is simultaneously connected to the patient monitoring devices. Data are collected every 3 minutes, 6 minutes for the noninvasive blood pressure measurement.

Study summary

Hemodynamic evaluation during pediatric anesthesia is essential to care management. Intraoperative cardiovascular instability is frequent in major surgeries, and appropriate monitoring is necessary to ensure safe anesthetic conduction and promptly detect changes in blood pressure, cardiac output, blood volume, and organ perfusion. In this context, advanced hemodynamic monitoring, continuous measuring, and estimating various parameters can allow a more specific hemodynamic profile and help identify the causal mechanisms of its variability. Moreover, the reference ranges of hemodynamic values in different pediatric ages and how to best monitor hemodynamic status in pediatrics are still debated.

Surgical treatment of craniosynostosis is usually performed at an early age, between 3 and 8 months of age. The operation is burdened by a high risk of hemodynamic instability related mainly, but not only, to potential substantial hemorrhagic losses.

This study aims to characterize the hemodynamic events occurring during corrective craniosynostosis surgery, recorded simultaneously with standard monitoring and Pressure Recording Analytic Method (PRAM), and to analyze the paired measurements.

Eligibility

Primary outcome measure(s)

• Hemodynamic events occurring during surgery — Entire duration of surgery
  Number of hemodynamic events during surgery. Hemodynamic events are defined as a reduction or increase of 20% from the baseline of parameters measured by monitors. The baseline value per individual participant corresponds to the value recorded for each parameter at the time of starting monitoring.

Trial sites (1)

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