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Clinical Trial Summary

The tethered spinal cord is a common pathology in pediatric neurosurgery. Intraoperative neurophysiologic monitoring (IOM) has gained popularity over the past two decades as a clinical discipline that uses neurophysiologic techniques to detect and prevent iatrogenic neurologic injuries. IOM techniques are extensively used in adult neurosurgery and, in their principles, can be applied to the pediatric population. Inhalational agents cause a dose-dependent reduction in MEPs and are arguably considered incompatible with effective neurophysiological monitoring(5) For this reason, total intravenous anesthesia (TIVA), using IV anesthetics (propofol or ketamine) and opioids (fentanyl or remifentanil), is commonly used in spinal surgeries under MEPs monitoring


Clinical Trial Description

A combination of ketamine and dexmeditomidine has several benefits in terms of hemodynamic stability, absence of respiratory depression, postoperative analgesia, and recovery. (11) ketamine could prevent the decrease of blood pressure and heart rate which had been observed with dexmedetomidine. In addition, dexmedetomidine could prevent the increase of blood pressure and heart rate, salivation, and physiological emergence reaction from ketamine. This combination was not previously used in this type of procedure except in a case report performed by Rozzana Penny who had used dexmedetomidine and ketamine infusion during scoliosis repair surgery with somatosensory and motor evoked potential monitoring in 15 years old female.(10) Evoked potentials are highly sensitive to fluctuations in physiological parameters such as peripheral and core body temperature, arterial blood pressure, hematocrit, etc. Keeping in view all the above factors we plan this study to compare the effect of the combinations of propofol and fentanyl versus the combination of ketamine and dexmedetomidine and fentanyl in producing a minimum effect on MEP amplitude and on hemodynamic stability during the surgery. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05591001
Study type Interventional
Source Cairo University
Contact
Status Completed
Phase Phase 1
Start date October 30, 2022
Completion date April 10, 2023

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