To see the success rate of radia artery cannulation after blocking median nerve in old age patients with the help of ultrasound

Effect of median nerve block on the success rate of ultrasound guided radial artery cannulation in elderly patients, a randomized controlled trial - Nil

Status

Active, not recruiting

Phases

Phase 3Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2024/12/078133

Enrollment

120

Registered

2024-12-16

Start date

Unknown

Completion date

Unknown

Last updated

2025-02-03

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Median Nerve block: Single shot of 5ml of 0.5% lidocaine will be injected for median nerve block under ultrasound guidance in the middle of forearm with forearm in supine position using

Eligibility

Inclusion criteria

Inclusion criteria: Elderly patients (65 years or above) undergoing major surgeries where intra arterial line is required for continuous BP monitoring/arterial blood sampling.

Exclusion criteria

Exclusion criteria: Signs of skin infection or a wound near puncture site . Abnormal circulation of the hand that is Allens test positive . Lignocaine allergy .

Design outcomes

Primary

Measure	Time frame
Success rate of cannulation in first attempt.Timepoint: At baseline(intra operative period)	—

Secondary

Measure	Time frame
Radial artery diameter before & 10 minutes after the block. Time taken for cannulation. Total number of attempts made. Complications related to procedure (hematoma, bleeding, thrombosis) Timepoint: At baseline (intra operative period)	—

Countries

India

Contacts

Public ContactDENADHAYALAN

AIIMS Jodhpur

ankuranaesthesia@gmail.com9654045653

Outcome results

None listed

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