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Study of how body size and spine scans help decide the amount of anaesthesia used to block sensation in the surgical area during open major abdominal surgery

Correlation of anthropometric parameters and ultrasound-derived dural sac dimensions with local anaesthetic dose in thoracic continuous spinal anaesthesia for major abdominal surgeries: a prospective observational study - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/05/110093
Enrollment
40
Registered
2026-05-06
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Health Condition 1: K928- Other specified diseases of the digestive system Health Condition 2: C23- Malignant neoplasm of gallbladder Health Condition 3: C170- Malignant neoplasm of duodenum Health Condition 4: C189- Malignant neoplasm of colon, unspecified Health Condition 5: C169- Malignant neoplasm of stomach, unspecified Health Condition 6: C259- Malignant neoplasm of pancreas, unspecified Health Condition 7: C269- Malignant neoplasm of ill-definedsites within the digestive system

Interventions

Intervention1: Nil: Nil

Sponsors

none
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: American Society of Anaesthesiologists (ASA) grade I-III undergoing elective major open abdominal surgery.

Exclusion criteria

Exclusion criteria: Patient refusal. Inability to reliably measure anthropometric parameters. Poor visualisation of the dural sac on ultrasound. Emergency abdominal surgeries. Pregnant patients undergoing LSCS. Severe systemic illness (ASA IV V). Known allergy to anaesthetic drugs. Contraindications to spinal anaesthesia.

Design outcomes

Primary

MeasureTime frame
The total dose of intrathecal local anaesthetic needed to achieve a sensory level from T4-L1 after administering 0.5% levobupivacaine every 3 minutes.Timepoint: At 3, 6, 9, 12, 15, 18 minutes till the desired sensory level is achieved.—

Secondary

MeasureTime frame
Correlation between anthropometric & ultrasound dural sac parameters with Total drug doseTimepoint: At study completion, following data collection over approximately 18 months—

Countries

India

Contacts

Public ContactDr Praveen Talawar

All India Institute of Medical Sciences(AIIMS), Rishikesh

praveenrt64@gmail.com9654162941

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Jun 11, 2026