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How does the diameter of optic nerve sheath change with the diameter of eye in patients whose pressure in head is raised

Ratio of optic nerve sheath diameter to eye ball transverse diameter in patients with raised ICP by ultrasonography: a correlational study - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/03/081723
Enrollment
33
Registered
2025-03-05
Start date
Unknown
Completion date
Unknown
Last updated
2025-04-07

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

Conditions

Health Condition 1: G919- Hydrocephalus, unspecified

Interventions

Intervention1: Direct ICP measurement and ultrasound measurement: Direct measurement of ICP by neurosurgeon at the time of ventriculostomy, and ultrasonographic measurement of eye ball transverse diam

Sponsors

Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: ASA physical status 1-3

Exclusion criteria

Exclusion criteria: 1. refusal to consent 2. known history of eye disease (cataract, glaucoma, tumour, trauma, any surgery) 3. any medical history that could alter the ICP

Design outcomes

Primary

MeasureTime frame
correlation between ONSD/ETD ratio and ICP in patients undergoing ventriculoperitoneal shunt surgeryTimepoint: at the time of insertion of VP shunt—

Secondary

MeasureTime frame
comparison of the correlation coefficient between ONSD and ICP vs ONSD/ETD and ICPTimepoint: at the time of insertion of VP shunt—

Countries

India

Contacts

Public ContactDr PK Das

Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow

samikshaparashar@gmai.com9651045375

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026