Optic Nerve Course Variants in Nepali Population

Grande International Hospital, Nepal367 enrolled

Overview

A retrospective study was conducted on 367 patients. CT PNS and head of the patients were evaluated for type of course of optic nerve according to DeLano's Classification.

A retrospective study was conducted on 367 patients aged 13 years and above. Four investigators, each with 2 to 6 years of experience in the field of radiology, evaluated computed tomography scans of the paranasal sinuses and the head of these patients. The optic nerves were classified into four types based on DeLano's classification, and their respective prevalence rates were determined. Additionally, the prevalence of optic nerve dehiscence and pneumatization of the anterior clinoid process was assessed.

Study Type

OBSERVATIONAL

Enrollment

367

Conditions

Optic Nerve

Interventions

No intervention doneOTHER

No interventions done

Eligibility

Sex: ALLMin age: 13 YearsMax age: 94 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: Patients undergoing NCCT PNS and Head for chronic rhinosinusitis, headache and vertigo Exclusion Criteria: 1. Patient less than 13 years age 2. Patients with recent trauma 3. Patient with large mass/ extensive polyposis

Locations (1)

Prajwal Dahal

Kathmandu, Bagmati, Nepal

Outcomes

Primary Outcomes

Prevalence of different types of optic nerve course

Type 4 course is more prevalent than type 3 course

Time frame: 1.5 years

Data from ClinicalTrials.gov

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