Brazilian Journal of Anesthesiology
Brazilian Journal of Anesthesiology
Clinical Research

Is Jedi Grip efficient and effective in ultrasound-guided peripheral nerve blocking? A prospective, randomized, observer-blinded study

Neslihan Keklik; Ismail Aytac; Semih Başkan; Betül Güven Aytaç

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In this prospective, randomized, controlled observer-blinded study, we aimed to compare the efficacy of a single-operator technique called the Jedi Grip and a conventional technique requiring a double operator in ultrasound–guided–axillary brachial plexus blocking.

Ninety-two patients (ASA I–II; aged 18–65 years old) who underwent elective hand, wrist and forearm surgery were randomly assigned to Group Conventional (C) or Group Jedi (J). In both groups, axillary plexus blockade was performed by applying 5 cc of a mixture of 10 cc of 0.5% bupivacaine and 10 cc of 2% prilocaine to the ulnar, radial, median, and musculocutaneous nerves. Parameters such as the performance time and number of needle passes were recorded during the procedure. Subsequently, a blinded observer evaluated and recorded parameters related to the blockade success. The main outcome variables were the performance time and success rate (surgical anesthesia).

The block performance time of the Jedi technique was slightly longer than that of the conventional technique (220 (50), 202 (78) s, respectively) (median (IQR); p =  0.05). No significant difference was found between groups in terms of blocking success; 9 (20%) from the conventional group and 3 (6.4%) from the Jedi group were unsuccessful (p =  0.053). No differences were found in terms of arterial puncture, and no other complications occurred in either group. The motor-sensory block onset and termination times and initial analgesia requirements were similar.

The Jedi technique may be applied safely with similar block success and performance results as the conventional technique.


Brachial plexus blockade;  Ultrasound, Interventional;  Anesthesia, Regional
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Braz J Anesthesiol

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