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to see whether there is any structural change in the eye after anaesthesia medicine in the back

Effect of Spinal Anesthesia on the size of Optic Nerve sheath diameter in patients coming for Surgical procedures - Randomized control study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2022/12/047823
Enrollment
46
Registered
2022-12-01
Start date
Unknown
Completion date
Unknown
Last updated
2023-08-21

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

Conditions

Health Condition 1: Z472- Encounter for removal of internalfixation device Health Condition 2: Z302- Encounter for sterilization Health Condition 3: N433- Hydrocele, unspecified Health Condition 4: K429- Umbilical hernia without obstruction or gangrene Health Condition 5: K409- Unilateral inguinal hernia, without obstruction or gangrene Health Condition 6: I832- Varicose veins of lower extremities with both ulcer and inflammation

Interventions

Intervention1: spinal anesthesia: optic nerve sheath diameter will be measured in patients undergoing surgery in spinal anaesthesia with 25 guage spinal needle, 3ml bupivacaine. Control Intervention1:

Sponsors

All India Institute of Medical Sciences
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: ASA Physical status of 1 & 2 Patients undergoing elective procedures under spinal anesthesia with expected surgical duration less than 3 hours.

Exclusion criteria

Exclusion criteria: 1. Emergency surgeries 2. Bleeding disorders 3. Eye pathologies 4. Pregnant patients 5. Change of Anaesthesia plan to GA 6. Children under 12 years 7. Patient refusal

Design outcomes

Primary

MeasureTime frame
Change In Optic Nerve Sheath Diameter in sitting and supine positionTimepoint: 4 hours 24 hours—

Secondary

MeasureTime frame
association of headache with change in posture changes in blood pressure and heart rateTimepoint: 4 hours 24 hours—

Countries

India

Contacts

Public ContactS Kalyani Surya Dhana Lakshmi

All India Institute of Medical Sciences Bibinagar

sksdhanalakshmi@gmail.com7893720606

Outcome results

None listed

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