Optic Nerve Sheath Diameter Difference Between Different Injection Volume

  • STATUS
    Recruiting
  • participants needed
    50
  • sponsor
    Keimyung University Dongsan Medical Center
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Updated on 5 August 2020
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Summary

Valid method of indirect measurement of intracranial pressure is using optic nerve sheath diameter. Different volume of injection is known to affect the degree of increase of intracranial pressure.

This study is desinged to measure the changes of optic nerve sheath diameter and cerebral oxygenation when different volume of normal saline was injected.

Description

Previous study showed that different volume of injections (1.0 ml/kg vs. 1.5 ml/kg) during caudal anesthesia showed siginifiant increase of optic nerve sheath diameter in group of high volumes. Increase of ICP can result in harmful effect including reduced cerebral flow and oxygen saturation. Also, increase of ICP can cause headache, syncope and transient loss of visual acuity. The proven and valid method of measuring ICP indirectly is using optic nerve sheath diameter.

This study was designed to examine the changes of optic nerve sheath diameter and cerebral oxygenation when different volume of normal saline was injected.

Details
Condition Optic Nerve Sheath Diameter
Age 20years - 80years
Treatment thoracic epidural catheterization
Clinical Study IdentifierNCT04412109
SponsorKeimyung University Dongsan Medical Center
Last Modified on5 August 2020

Eligibility

 Yes No Not Sure

Inclusion Criteria

lung cancer
liver cancer
stomach cancer
pancreas cancer
gallbladder cancer

Exclusion Criteria

coagulopathy
infection
previous spine fusion at thoracic level
previous brain lesion causing increased intracranial pressure
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