Improving the quality of infraclavicular brachial plexus block in terms of the onset and length of sensory and motor block and analgesic effect.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ASA class1 and 2 unilateral upper limb surgery age 15-75 years patient's acceptance
Exclusion criteria
Exclusion criteria: ASA class=3 Allergy to local anesthetics Age more than 75 yrs and less than 15 yrs Coagulation disorders Opium addiction Infection at the block site BMI >30 liver or kidney failure chronic use of painkillers and narcotics patients who take narcotics before surgery pregnancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The onset time of sensory block. Timepoint: After the end of local anesthetic injection every 5 minutes for 20 minutes. Method of measurement: Based on a 0-2 grading scale.;The onset time of motor block. Timepoint: After the end of local anesthetic injection every 5 minutes for 20 minutes. Method of measurement: Based on modified Bromage scale 0-3.;Duration of sensory block. Timepoint: After the end of local anesthetic injection every 5 minutes for 20 minutes. Method of measurement: Based on a 0-2 grading scale.;Duration of motor block. Timepoint: After the end of local anesthetic injection every 5 minutes for 20 minutes. Method of measurement: Based on modified Bromage scale 0-3. | — |
Secondary
| Measure | Time frame |
|---|---|
| Heart rate. Timepoint: Before the block, 10, 20, and 30 minutes after the block, 5, 10, and 15 minutes after entering the recovery room, and 3, 12, and 24 hours after operation. Method of measurement: Electrocardiogram, Pulse oximeter.;Systolic blood pressure. Timepoint: Before the block, 10, 20, and 30 minutes after the block, 5, 10, and 15 minutes after entering the recovery room, and 3, 12, and 24 hours after operation. Method of measurement: Noninvasive Blood pressure measurement method.;Sedation level. Timepoint: Before the block, 10, 20, and 30 minutes after the block, 5, 10, and 15 minutes after entering the recovery room, and 3, 12, and 24 hours after operation. Method of measurement: Sedation scale with a rating of 1-4.;Pain severity. Timepoint: 10, 20 and 30 minutes after the start of the operation, 5, 10 and 15 minutes after entering the recovery and 3, 12 and 24 hours after operation. Method of measurement: A 5-point verbal rating scale (VRS) consisting of (0 =no pain, 4=unbearable pain).;Total number of patient’s requests for systemic analgesics. Timepoint: In the first 24 hours after operation. Method of measurement: Recording the number of requests for analgesic. | — |
Countries
Iran (Islamic Republic of)
Contacts
Shahid Beheshti University of Medical Sciences