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

Status

UNKNOWN

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT04301817

Enrollment

Registered

2020-03-10

Start date

2020-04-30

Completion date

2022-04-30

Last updated

2020-03-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Optic Nerve Sheath Diameter

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

Interventions

None listed

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

20 Years to No maximum

Healthy volunteers

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

Design outcomes

Primary

Measure	Time frame	Description
Change optic nerve sheath diameter	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

Outcome results