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The comparison of spread of methylene blue after the Pericapsular Nerve Group block and a double injection selectively targeting the articular branches to the anterior hip capsule in human cadavers.
Pain Pract
February 2025
Department of Anesthesiology, Pain and Palliative Medicine, Radboudumc, Nijmegen, The Netherlands.
Objectives: In this study, the spread of methylene blue was compared between an ultrasound-guided Pericapsular Nerve Group (PENG) block and a double injection technique, where the approach towards the inferomedial acetabulum was added to the latter.
Methods: The two techniques were performed in 11 fresh frozen cadavers. The spread was measured after anatomical dissection in which the supplying femoral and obturator nerves were identified.
Modified approach to external oblique intercostal block: a proof-of-concept pilot case series and anatomical evaluation.
Korean J Anesthesiol
January 2025
Department of Anesthesiology and Pain Medicine, Juntendo University School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, Japan.
Background: Regional anesthesia techniques that provide analgesia to the entire lateral abdomen are limited. We present a modified external oblique intercostal block for complete lateral abdominal analgesia with a single injection.
Case: We performed a modified version of the external oblique intercostal block unilaterally at the tenth rib along the mid-axillary line in three patients undergoing robot-assisted partial nephrectomy (two single injections, one catheter placement) and tested the technique on a cadaver with 20 ml of dye bilaterally.
Ultrasound-guided intercostal nerve injection in rabbit cadavers: Technique description and comparison with blind approach.
Vet Anaesth Analg
December 2024
Department of Comparative Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA. Electronic address:
Objective: To develop an ultrasound-guided technique for intercostal nerve blocks in rabbit cadavers and to compare the success rate and potential complications of this technique to blind injection.
Study Design: Prospective, randomized, blinded, descriptive experimental cadaveric study.
Animals: A group of nine adult domestic rabbit cadavers (body mass 1.
Risk of intrafascicular spread after deliberate ex vivo intraneural injections of brachial plexus nerve roots.
Br J Anaesth
January 2025
Department of Anesthesiology, University of Florida College of Medicine, Gainesville, FL, USA; CEU-San-Pablo University School of Medicine, Madrid, Spain; Department of Anesthesiology, Madrid-Montepríncipe University Hospital, Madrid, Spain. Electronic address:
Background: We investigated the intraneural spread of injected fluid in brachial plexus nerve roots, examining the potential for intrafascicular spread and identifying influencing factors.
Methods: Twelve deliberate ultrasound-guided intraneural injections were performed at the ventral rami of the brachial plexus nerve roots at their exits from the neuroforamina in six fresh, unembalmed, cryopreserved human cadavers. A 22-G, 30-degree bevel echogenic regional anaesthesia needle was used.
Wake up!: a novel, cadaver-based approach to training emergency physicians in awake intubation.
CJEM
January 2025
Department of Emergency Medicine, Dalhousie University, Halifax, NS, Canada.
Despite awake tracheal intubation being considered the safest method of intubation for patients with predicted difficult airways, there is limited evidence and poor availability of training interventions to assist emergency medicine physicians achieve competency in this technique. Here, we describe a novel, cadaver-based course for emergency medicine physicians to acquire skills in awake tracheal intubation. A convenience sample of 15 emergency medicine physicians from across Canada participated in the pilot course.
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