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Clinical Trials/NCT04301817
NCT04301817
Unknown
Not Applicable

Changes in Optic Nerve Sheath Diameter in Patients Undergoing Spinal Surgery in the Prone Position

SMG-SNU Boramae Medical Center0 sites50 target enrollmentStarted: April 2020Last updated:
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ConditionsOptic Nerve Sheath Diameter

Overview

Phase
Not Applicable
Enrollment
50
Primary Endpoint
Change optic nerve sheath diameter
OverviewStudy DesignEligibility CriteriaOutcomesInvestigatorsRecords & IdentifiersSimilar Trials

Overview

Brief Summary

Long standing prone position could affect vision or optic nerve. To measure the optic nerve sheath diameter using ultrasound is quick and useful assessments of patients.

This study will look at the change of optic nerve sheath diameters of patients undergoing surgery in prone position

Study Design

Study Type
Observational
Observational Model
Cohort
Time Perspective
Prospective

Eligibility Criteria

Ages
20 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • •Patients undergoing surgery in prone position

Exclusion Criteria

  • •Patients who did not agree to participate in the study
  • •Patients has ophthalmic diseases
  • •Patients has previous history of ophthalmic surgery.
  • •Patients has neurological disorders.
  • •Patients has history of head surgery.
  • •Severe anaphylactic allergy to ultrasound gel or Tegaderm

Outcomes

Primary Outcomes

Change optic nerve sheath diameter

Time Frame: 0,1,3,6,24 and 48 hours

Change in Optic nerve sheathe diameter from baseline, before surgery, immediate after surgery (prone, supine), 1,3,6,24 and 48 hours after completion of surgery

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor Class
Other
Responsible Party
Principal Investigator
Principal Investigator

Jin-Young Hwang

Associate professor

SMG-SNU Boramae Medical Center

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