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A study of using diameter of the optic nerve sheath as a substitute for measuring changes in pressure inside the brain during cardiac surgery and its association with postoperative outcomes.

A Study of the Changes in Intracranial Pressure during Cardiopulmonary Bypass by Serial Measurements of Optic Nerve Sheath (ONSD) by USG and Its Association with Postoperative Outcomes - NIL

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2023/07/055565
Enrollment
78
Registered
2023-07-24
Start date
Unknown
Completion date
Unknown
Last updated
2023-09-18

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

Conditions

Health Condition 1: I52- Other heart disorders in diseasesclassified elsewhere

Interventions

Intervention1: NIL: NIL Control Intervention1: NIL: NIL

Sponsors

Armed Forces Medical College, Pune
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Patients undergoing elective cardiovascular surgeries 2. Patients aged > 18 years. 3. Irrespective of their American Society of anaesthesiologist grade.

Exclusion criteria

Exclusion criteria: 1. Those with any recent history of cerebrovascular accident or intracranial hypertension due to any cause, 2. Patients with active ocular ailments or injuries around eye ball or orbit confounding ONSD measurements.

Design outcomes

Primary

MeasureTime frame
Changes in optic nerve sheath diameter during various stages of cardiac surgery including cardiopulmonary bypassTimepoint: Optic nerve sheath diameter measured at following time points - baseline under general anesthesia - before onset of cardiopulmonary bypass (CPB), - on CPB at minimum temperature - on CPB after rewarming after coming Off CPB—

Secondary

MeasureTime frame
postoperative neurological outcomes like Delirium & postoperative neurological deficitsTimepoint: upto 48 hours after surgery—

Countries

India

Contacts

Public ContactDr D V Bhargava

Army Institute for Cardiothoracic Sciences

vs_joshi2003@yahoo.com9762024720

Outcome results

None listed

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