Effect of end‐tidal carbon dioxide level on the optic nerve sheath diameter measured by transorbital ultrasonography in anesthetized pediatric patients: A randomized trial

Background Intraoperative hypercapnia and hypocapnia are common during pediatric anesthesia, and the cerebral blood flow and intracranial pressure may be affected by the partial pressure of arterial carbon dioxide. Transorbital ultrasound measurement of the optic nerve sheath diameter is a simple an...

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Bibliographic Details
Published in:Pediatric anesthesia 2022-06, Vol.32 (6), p.754-763
Main Authors: Jang, Young‐Eun, Nam, SeungPyo, Ji, Sang‐Hwan, Kim, Eun‐Hee, Lee, Ji‐Hyun, Jung, Jae Ho, Kim, Hee‐Soo, Kim, Jin‐Tae
Format: Article
Language:English
Subjects:
anesthesia, general
Carbon dioxide
General anesthesia
Intracranial pressure
mechanical ventilation
Optic nerve
optic nerve sheath diameter
pediatric
Pediatrics
Ultrasonic imaging
ultrasonography
Ventilation
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Summary:Background Intraoperative hypercapnia and hypocapnia are common during pediatric anesthesia, and the cerebral blood flow and intracranial pressure may be affected by the partial pressure of arterial carbon dioxide. Transorbital ultrasound measurement of the optic nerve sheath diameter is a simple and non‐invasive method for intracranial pressure assessment. The objective of this study was to evaluate the effect of end‐tidal carbon dioxide (ETCO2) on optic nerve sheath diameter in a healthy anesthetized pediatric population. Methods Pediatric patients scheduled for elective surgery under general anesthesia and mechanical ventilation in the supine position were enrolled and divided into four subgroups; age 
ISSN:1155-5645
1460-9592
DOI:10.1111/pan.14437