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

SMG-SNU Boramae Medical Center50 enrolled

Overview

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 Type

OBSERVATIONAL

Enrollment

Conditions

Optic Nerve Sheath Diameter

Eligibility

Sex: ALLMin age: 20 Years

Medical Language ↔ Plain English

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

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

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

Data from ClinicalTrials.gov

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