Optic Nerve Course Variants in Nepali Population

Completed

• Conditions: Optic Nerve
• Interventions: Other: No intervention done

• Registration Number: NCT06077929
• Lead Sponsor: Grande International Hospital, Nepal

Brief Summary

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.

Detailed Description

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 Timeline

• Study Start: 2022-01-01
• Primary Completion: 2023-05-30
• Study Completion: 2023-05-30
• Status Verified: 2023-10
• Study First Submitted: 2023-10-05
• Study First Submitted QC: 2023-10-05
• Study First Posted: 2023-10-11
• Last Update Submitted: 2024-11-06
• Last Update Posted: 2024-11-07

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 367

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

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Arm && Interventions

Group	Intervention	Description
Rhinosinusitis	No intervention done	Patients with rhinosinusitis

Primary Outcome Measures

Name	Time	Method
Prevalence of different types of optic nerve course	1.5 years	Type 4 course is more prevalent than type 3 course

Trial Locations

Locations (1)

Prajwal Dahal; 🇳🇵 Kathmandu, Bagmati, Nepal