An interventional study of conventional two-operator versus single operator using Jedi grip axillary brachial plexus blockage in Brachial Plexus Block and Ultrasound, Interventional, sponsored by Ankara City Hospital Bilkent. Completed at 1 site in Turkey. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2020-07-21.
Sponsored by Ankara City Hospital Bilkent · Not applicable, Interventional, and Supportive care
In this prospective randomized controlled observer-blinded study we aimed to compare the efficacy of a single operator technique so called Jedi Grip and conventional technique requiring double operator in ultrasound guided axillary brachial plexus block.
Patients aged between 18 and 65 years, American Society of Anesthesiologists (ASA) physical status I to II ) undergoing elective hand, wrist and forearm surgery were prospectively enrolled. Patients were randomly assigned to Group C (conventional technique) or group J (Jedi technique). In both groups, axillary plexus blockage was provided by applying 5cc of a mixture of 10 cc 0.5% bupivacaine and 10 cc 2% prilocaine to the ulnar, radial, median and musculocutaneous nerves. Parameters such as performance time and the number of needle passes were recorded during procedure. Subsequently, a blinded observer evaluated and recorded parameters related to the success of blockage. The main outcome variable was performance time and success rate (surgical anesthesia).
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conventional two-operator axillary brachial plexus blockage
Procedure: conventional two-operator versus single operator using Jedi grip axillary brachial plexus blockage
axillary brachial plexus block with single operator using Jedi grip
Procedure: conventional two-operator versus single operator using Jedi grip axillary brachial plexus blockage
on goup C, operator used the probe and needle with different hands while an assistant controlling the syringe to aspirate or inject local anesthetic. On Group J single operator controlled the probe with one hand while controlling the needle and the syringe on the other hand with the Jedi technique. The needle was held between the index finger and the middle phalanx of the middle finger, and the syringe was held with fingers 4 and 5, with the plunger part to the thumb in the palm.
block performance time
the sum of imaging and needling times
Time frame: during procedure
success rate
patients percentage with provided successful anesthesia
Time frame: during operation
Onset time of sensory block
Sensory blockage was evaluated and graded; from lateral to the forearm, the volar face of the thumb, volar face of the 5th finger and lateral side of the hand back; for musculocutaneous, median, ulnar and radial nerves, respectively. Graduation was according to 3-point scale using a cold test: 0 = no block, 1 = analgesia (patient can feel touch, not cold), and 2 = anesthesia (patient cannot feel touch).
Time frame: before operation
Onset time of motor block
Motor blockage was evaluated and graded; with elbow flexion, thumb abduction, thumb opposition, thumb adduction for musculocutaneous, radial, median, ulnar nerves respectively. Motor blockage graduation was also according to a 3-point scale: 0 = no block, 1 = paresis and 2 = paralysis.\[
Time frame: before operation
Plan to share: No
This study is completed, as verified in Jul 2020. You cannot join it, but the record below documents what was studied.
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Ankara City Hospital Bilkent