Health Condition 1: O- Medical and Surgical
Conditions
Interventions
Intervention1: Ropivacaine and Lignocaine mixture: 0.5% Ropivacaine and 2% Lignocaine mixture in 3:2 ratio given at the time of block after taking the patient in the operation theatre. around 24 hours
Sponsors
AIIMS New Delhi
Eligibility
Inclusion criteria
Inclusion criteria: ASA Physical Status I or II, Consent for regional anaesthesia and participation, Elective surgery of the upper limb, BMI between 18 30 kg/m
Exclusion criteria
Exclusion criteria: coagulopathy, allergy to local anaesthetics, pregnancy, pre existing neuropathy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The calculation of minimum effective volume (MEV50 and MEV95) of a mixture of 0.5% ropivacaine and 2% lignocaine for achieving a successful sensory and motor block at 30 minutes.Timepoint: The calculation of minimum effective volume (MEV50 and MEV95) of a mixture of 0.5% ropivacaine and 2% lignocaine for achieving a successful sensory and motor block at 30 minutes. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Block performance time (time from the first insertion of the blocking needle to its removal) 2. Block onset time ( time required for a composite score of 14 points) 3. Duration of sensory (time from the injection of LA to the time the patient recovers full sensation of the upper limb) 4. Duration of motor blockade (time from injection of LA to the time the patient recovers full function of the arm) 5. Any perioperative complications (e.g., local anesthetic systemic toxicity, vascular puncture) 6. Need for conversion to GA Timepoint: from start of anaesthesia till 24 hours postoperatively | — |
Countries
India
Contacts
Public ContactHeena Garg
AIIMS, New Delhi
Outcome results
None listed