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Studying how letting the blood flow again during leg surgeries affects eye pressure

The effects of tourniquet deflation on optic nerve sheath diameter in lowerlimb orthopedic surgeries: A prospective observational study. - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2024/06/069423
Enrollment
20
Registered
2024-06-24
Start date
Unknown
Completion date
Unknown
Last updated
2024-07-22

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

Conditions

Health Condition 1: 8- Other Procedures

Interventions

Intervention1: NIL: NIL Control Intervention1: NIL: NIL

Sponsors

Bangalore Medical College and Research Institute
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1. Age between18 to 60 years 2. Patient willing to give informed consent 3. ASA grade I and II 4. Patients undergoing lowerlimb orthopedic surgeries with pneumatic tourniquet

Exclusion criteria

Exclusion criteria: 1. Patient not willing to give informed consent 2. Neuritis 3. Glaucoma 4. Optic nerve tumor 5. Orbital trauma and fracture 6. Any space-occupying lesion in brain

Design outcomes

Primary

MeasureTime frame
Optic nerve sheath measurementTimepoint: 1-Before Subarachnoid block. 2-After Subarachnoid block. 3-Before tourniquet deflation 4-Immediately after (within 5 minutes) tourniquet deflation. 5-After 10 minutes of tourniquet deflation—

Secondary

MeasureTime frame
EtCO2 measurementTimepoint: 1-Before SAB. 2-After SAB. 3-Before tourniquet deflation 4-Immediately after (within 5 minutes) tourniquet deflation. 5-After 10 minutes of tourniquet deflation ;Hemodynamic parameters like Heart rate, blood pressue and spO2 Timepoint: 1-Before SAB. 2-After SAB. 3-Before tourniquet deflation 4-Immediately after (within 5 minutes) tourniquet deflation. 5-After 10 minutes of tourniquet deflation—

Countries

India

Contacts

Public ContactDr Saraswathi N

Bangalore Medical College and Research Institute

dr.saraswathi.pmssy@gmail.com09663304834

Outcome results

None listed

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