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Continuous PENG block for hip fracture: a case series
  1. Romualdo Del Buono1,
  2. Eleonora Padua1,
  3. Giuseppe Pascarella2,
  4. Corina Gabriela Soare3 and
  5. Enrico Barbara1
  1. 1Anesthesia, Humanitas Mater Domini, Castellanza, Italy
  2. 2Anesthesia, Policlinico Universitario Campus Bio-Medico, Roma, Italy
  3. 3Department of Anesthesia and Intensive Care, Galway University Hospitals, Galway, Ireland
  1. Correspondence to Dr Romualdo Del Buono, Anesthesia, Humanitas Mater Domini, Castellanza, Varese, Italy; romualdodelbuono{at}gmail.com

Abstract

Introduction The pericapsular nerve group (PENG) block is a novel regional technique indicated for analgesia for hip joint pain. We administered PENG blocks and performed catheter insertion for continuous infusions in patients with femur fractures on hospital admission. In this case series, we describe our initial experience of pain management in 10 patients with continuous infusion and its associated adverse events.

Case series The PENG block was administered with an introducer needle. The catheter was then inserted 3 cm beyond the needle tip. In three patients, blood aspiration through the catheter occurred. In each patient, the catheter was repositioned 0.5–1.0 cm more medially. No blood aspiration or visible hematoma occurred subsequently. The presence of any vascular structure deep to the iliopsoas muscle was excluded postoperatively based on a Doppler color flow scan.

Discussion Overall, eight patients had femoral neck fractures, and two patients had intertrochanteric fractures. All 10 patients reported good pain relief. The median (IQR) Numerical Rating Scale (NRS) score decreased from 7 (6–7) before the block to 2 (2–2.75) 20 min after PENG catheter placement. The median (IQR) NRS score after 12, 24 and 48 hours were 2 (2–3), 2 (2–3), and 2 (0.25–2), respectively. Patients underwent surgery 24–48 hours following catheter placement. Catheters were removed by an Acute Pain Service nurse 72 hours postinsertion. We want to highlight the potential for intravascular catheter placement in this anatomical region. Further studies are required to confirm if this is a technical error or an associated complication of continuous PENG blocks.

  • continuous peripheral techniques
  • lower extremity
  • acute pain
  • ultrasound in pain medicine
  • regional anesthesia
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Footnotes

  • Contributors RDB: block execution, acquisition of data, drafting and revision of manuscript. EP: block execution, acquisition of data, critical revision of manuscript. GP: revision of manuscript. CGS: revision of manuscript, language editing. EB: critical revision, supervisor.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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