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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06263075
Other study ID # 717/2023/Oss/AOUBo
Secondary ID 6822
Status Recruiting
Phase
First received
Last updated
Start date December 13, 2023
Est. completion date June 2026

Study information

Verified date February 2024
Source IRCCS Azienda Ospedaliero-Universitaria di Bologna
Contact Maria Cristina Mondardini, MD
Phone 051 2143650
Email mariacristina.mondardini@aosp.bo.it
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial 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.


Description:

During major surgery under general anesthesia, the risk of hemodynamic instability and organ hypoperfusion resulting from depth of anesthesia, bleeding, or neurovegetative stimulation is high. In the pediatric age, it is essential to ensure adequate cerebral perfusion to preserve neurological function. Even more in younger age groups, given the limited knowledge of the safe boundaries of blood pressure and cerebral autoregulation, sufficient to ensure adequate cerebral perfusion. Traditional instrumental monitoring is clinically helpful but limited in specificity and accuracy. Instead, advanced hemodynamic monitoring techniques can allow early detection of changes in volemia and cardiac inotropism. The Pressure Recording Analytical Method (PRAM), installed in the monitor MostCare® (VYGON), analyzes the area under the curve of arterial blood pressure, beat by beat, to evaluate the dynamic impedance of the cardiovascular system. It estimates several parameters, including stroke volume and cardiac output, the preload by stroke volume variation and pulse pressure variation, the afterload by the systemic vascular resistances, and the arterial telesystolic elastance. Previous studies conducted on the pediatric population have demonstrated the applicability and reliability of MostCare® on young patients. Craniosynostosis is an abnormal early fusion of cranial sutures. Physiological growth of the brain and impeded adaptation of the cranium will result in progressively increased intracranial pressure, dysmorphisms, delays, and impairment in neurodevelopment. Surgery is the core option for treatment, and the prognosis improves when performed soon, at 3-4 months of age or in the immediately following months. Hemodynamic changes resulting from deep anesthesia, bleeding, venous gas embolism, obstruction to cerebral venous outflow from an extreme head-bending position, and cerebrospinal fluid leakage after rupture of the dura may occur during the operation. The objectives of the study are to describe and analyze the dynamic cardiovascular variables concurrently measured by MostCare® and other standardized monitors to capture events occurring in infants during corrective craniosynostosis surgery.


Recruitment information / eligibility

Status Recruiting
Enrollment 30
Est. completion date June 2026
Est. primary completion date December 2025
Accepts healthy volunteers No
Gender All
Age group 3 Months to 8 Months
Eligibility Inclusion Criteria: - Infants with craniosynostosis undergoing corrective surgery - Ages between 3 and 8 months - Physical status classification of the American Society of Anesthesiologists (ASA) </= 2 - Consent obtained from the patients' parents/legal guardians Exclusion Criteria: - Congenital or acquired cardiac disease - Preoperative cardiac dysfunction - Metabolic diseases - Gestational age at birth <30 weeks - Body weight less than 3 kg - Dislocation or malfunction of the arterial catheter - Malfunctioning of monitoring devices

Study Design


Intervention

Procedure:
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.

Locations

Country Name City State
Italy IRCCS AOU of Bologna Policlinico Sant'Orsola Bologna BO

Sponsors (1)

Lead Sponsor Collaborator
IRCCS Azienda Ospedaliero-Universitaria di Bologna

Country where clinical trial is conducted

Italy, 

References & Publications (6)

Calabrese S, Angileri S, Paolicchi O, Mancinelli P, Colosimo D, Ricci Z. Noninvasive vs. invasive arterial pressure during pediatric non cardiac surgery. Minerva Anestesiol. 2023 Sep;89(9):841-842. doi: 10.23736/S0375-9393.23.17338-X. Epub 2023 May 9. No — View Citation

de Graaff JC, Pasma W, van Buuren S, Duijghuisen JJ, Nafiu OO, Kheterpal S, van Klei WA. Reference Values for Noninvasive Blood Pressure in Children during Anesthesia: A Multicentered Retrospective Observational Cohort Study. Anesthesiology. 2016 Nov;125( — View Citation

Garisto C, Favia I, Ricci Z, Romagnoli S, Haiberger R, Polito A, Cogo P. Pressure recording analytical method and bioreactance for stroke volume index monitoring during pediatric cardiac surgery. Paediatr Anaesth. 2015 Feb;25(2):143-9. doi: 10.1111/pan.12 — View Citation

Meier N. Anesthetic Considerations for Pediatric Craniofacial Surgery. Anesthesiol Clin. 2021 Mar;39(1):53-70. doi: 10.1016/j.anclin.2020.10.002. Epub 2021 Jan 12. — View Citation

Ricci Z, Pilati M, Favia I, Garisto C, Rossi E, Romagnoli S. Hemodynamic monitoring by pulse contour analysis in critically ill children with congenital heart disease. Pediatr Crit Care Med. 2011 Sep;12(5):608-9; author reply 609-10. doi: 10.1097/PCC.0b01 — View Citation

Singh Y, Villaescusa JU, da Cruz EM, Tibby SM, Bottari G, Saxena R, Guillen M, Herce JL, Di Nardo M, Cecchetti C, Brierley J, de Boode W, Lemson J. Recommendations for hemodynamic monitoring for critically ill children-expert consensus statement issued by — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Hemodynamic events occurring during 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. Entire duration of surgery
Secondary Evaluation of changes in volemic status Absolute values and variations of Pulse Pressure Variation (PPV) from MostCare® every reduction of 20% from the baseline of invasive blood pressure (IBP). during the surgery
Secondary Evaluation of changes in volemic status Absolute values and variations of Stroke Volume Variation (SVV) from MostCare® every reduction of 20% from the baseline of invasive blood pressure (IBP). during the surgery
Secondary Evaluation of changes in systemic vascular resistance Absolute values and variations of Systemic Vascular Resistance Index (SVRI) from MostCare® every reduction of 20% from the baseline of invasive blood pressure (IBP). during the surgery
Secondary Evaluation of changes in cardiac function Absolute values and variations of Cardiac output Index (CI) from MostCare® every reduction of 20% from the baseline of invasive blood pressure (IBP). during the surgery
Secondary Evaluation of changes in cardiac function Absolute values and variations of maximum pressure variation (dP/dt (max) from MostCare® every reduction of 20% from the baseline of invasive blood pressure (IBP). during the surgery
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