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A pilot study to evaluate the relationship between intracranial pressure, ocular pulse amplitude and spontaneous venous pulsation

A pilot study to evaluate the relationship between intracranial pressure, ocular pulse amplitude and spontaneous venous pulsation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-ONC-09000772
Enrollment
Unknown
Registered
2009-12-23
Start date
2009-12-07
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Conditions leading to increased intracranial pressure

Interventions

Case series:Not applicable

Sponsors

Nil
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1.Aged 18 years or older 2.Patients undergoing Lumbar puncture, or have lumber drain/ external ventricular drain in-situ 3.Able to give informed consent

Exclusion criteria

Exclusion criteria: 1.Inability to be examined at slit-lamp 2.Severe ocular media clouding 3.Glaucoma 4.Optic neuropathies which may affect the appearance of the optic disc 5.Previous refractive surgery or significant corneal pathology which affects DCT measurement 6.Narrow drainage angle 7.Known allergy to Mydrin-P, topical fluorescein and topical local anaesthesia 8.Previous ocular venous occlusive disease 9.Hyperviscosity syndrome

Design outcomes

Primary

MeasureTime frame
The relationship between a, b & c: a. Ocular pulse pressure and intraocular pressure by dynamic contour tonometry b. Presence/ absence of spontaneous venous pulsation c. Intracranial pressure by lumbar puncture/ lumbar drain/ external ventricular drain;—

Countries

China

Contacts

Public ContactCHAN Kar Mun Carmen
kmcc2001@hotmail.com+852 7388 1054

Outcome results

None listed

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