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Pediatric Caudal Injection Volume on Optic Nerve Sheath Diameter and Cerebral Oxygenation

Pediatrics Clinical Trial

Official title:
The Effect of Caudal Epidural Injection Volume on Optic Nerve Sheath Diameter and Cerebral Oxygenation in Pediatric Cases

Clinical Trial Summary

Caudal anesthesia is a commonly used neuraxial anesthesia method for children. Injection of a certain volume of fluid into the epidural space for cauda anesthesia may push some cerebrospinal fluid towards the head, which may lead to mild increase of pressures inside the head. Such mild changes are compensated well by healthy individuals and no clinical sequel is seen, however at-risk populations may be affected. We aim to see how different amounts of fluid injected into the epidural space may change two clinical parameters affected by intracranial pressure to determine if a lower volume is safer than a higher one.

Clinical Trial Description

Caudal epidural injection of local anesthetic solution is a common neuraxial anesthesia technique that provides excellent peri-operative analgesia in children. Unfused sacral hiatus allows for easy and safe access into the epidural space. Anatomically, injection of a certain volume of fluid over the dural sac inside the closed spinal canal can push the cerebrospinal fluid cranially. This push may lead to increased intracranial pressure. We will measure two findings affected by intracranial pressure (optic nerve sheath diameter and cerebral oxygenation) and compare the effects of two different volumes of caudal injections on these measures. Children with closed fontanelles and scheduled to undergo elective surgery, for which caudal anesthesia is an effective method for peri-operative analgesia, will be recruited for this study. Injection volume will be determined depending on the level of analgesia required for the surgical procedure. Ultrasonographic measurements of optic nerve sheath diameter and near-infrared spectrometry measurement of cerebral oxygenation will be taken before and after caudal anesthesia. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04491032
Study type Interventional
Source Istanbul University
Contact
Status Completed
Phase N/A
Start date February 15, 2019
Completion date March 15, 2022
View Details
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