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Purpose: The suprascapular nerve is situated between the prevertebral fascia and the superficial layer of deep cervical fascia and on the surface of the middle and posterior scalene muscles before it reaches the suprascapular notch. Consequently, we hypothesized that injecting local anesthetics (LAs) there would introduce a new block approach for blocking the suprascapular nerve, ie, extra-prevertebral fascial block. We assessed the postoperative analgesic effect, as well as the incidence of diaphragmatic paralysis 30 minutes after the block.

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Article Synopsis
  • - The study compared the effectiveness of echogenic needles versus non-echogenic standard needles for ultrasound-guided cannulation of the infraclavicular axillary vein in adult patients needing central venous catheters.
  • - The primary outcome measured was access time, which showed no significant difference between the two needle types (21 minutes for echogenic versus 26 minutes for standard).
  • - Other secondary outcomes, including success rates and adverse events, revealed no major advantages for echogenic needles, suggesting that standard needles remain suitable for this procedure in perioperative care.
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Anesthesiologists ultrasound-guided regional anesthesia core curriculum: a Delphi consensus from Italian regional anesthesia experts.

J Anesth Analg Crit Care

August 2024

Department of Anesthesia, Critical Care and Pain Medicine, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy.

Introduction: The need for a standardized core curriculum in regional anesthesia has become essential, particularly with the integration of ultrasound revolutionizing and exponentially increasing clinical practice and possibilities. In fact, numerous novel techniques, often overlapping, can confuse practitioners. This study aims to establish a core curriculum for upper limb, lower limb, paraspinal and fascial plane blocks for residency training, addressing potential educational gaps caused by the multitude of techniques, through a Delphi consensus process involving recognized Italian regional anesthesia experts.

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Background And Aims: The infraclavicular brachial plexus block (ICB) provides analgesia and anaesthesia of the upper limb. It is given using the classical or the more recently described costoclavicular (CC) approach at the level of cords. This systematic review aimed to assess which approach is better for the ICB in terms of onset, performance, and safety.

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  • * Results indicate that the supraclavicular approach leads to a greater reduction in diaphragmatic thickness fraction and a larger decline in pulmonary function tests compared to the costoclavicular method.
  • * The costoclavicular block shows a better preservation of diaphragmatic contractility and less deterioration of respiratory function, suggesting it may be a safer option with fewer complications related to hemidiaphragmatic paralysis.
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