Journal of Anesthesia

, Volume 32, Issue 6, pp 908–913 | Cite as

The effect of the volume of supra-inguinal injected solution on the spread of the injectate under the fascia iliaca: a preliminary study

  • Kris VermeylenEmail author
  • F. Soetens
  • I. Leunen
  • A. Hadzic
  • S. Van Boxtael
  • J. Pomés
  • A. Prats-Galino
  • M. Van de Velde
  • A. Neyrinck
  • X. Sala-Blanch
Short Communication


The fascia iliaca compartment is the compartment confined by the fascia iliaca (FI) and a muscular layer formed by the iliac- and psoas muscle. This compartment creates a virtual tunnel that contains the femoral nerve (FN), the obturator nerve (ON), and the lateral femoral cutaneous nerve (LFCN) of the lumbar plexus. In this pilot study, we aimed to determine the suggested volume needed to reach the three target nerves of the lumbar plexus (FN, ON, and LFCN) with a single-injection ultrasound-guided supra-inguinal fascia iliaca compartment (S-FICB). A computer tomography (CT scan)-guided step-up/step-down sequence was used to determine the suggested injection volume to target all three nerves. Subsequently, an anatomist blinded for the injected volume and CT findings, dissected the cadavers, and evaluated the spread of dye underneath the fascia iliaca. In total, seven pelvic areas of four cadavers were evaluated on CT scan and dissected. Distribution of dye underneath the FI in relation to the FN, ON, and the LFCN was recorded in all dissected cadavers. Combining CT and dissection findings, the suggested volume to reach the FN, ON, and LFCN with an S-FICB was 40 mL.


Fascia iliaca Fascia iliaca compartment block Regional anesthesia Anatomy of the hip Anterior lumbar plexus block 


Author contributions

KV: study design, study conduct, first draft of paper, and finalization of manuscript. XSB: study design and study conduct, literature research, data analysis and graphics, and critical appraisal of the final draft. IL: data analysis and critical appraisal of the final draft. FS: data analysis and critical appraisal of the final draft. MD, SVB, MVDV, and AH: critical appraisal of the final draft. JP: radiological support (CT scan), study conduct, and data analysis. AP-GG: anatomical support and study conduct.


No additional funding.

Compliance with ethical standards

Conflict of interest

No conflicts of interest.


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Copyright information

© Japanese Society of Anesthesiologists 2018

Authors and Affiliations

  • Kris Vermeylen
    • 1
    Email author
  • F. Soetens
    • 1
  • I. Leunen
    • 1
  • A. Hadzic
    • 2
    • 3
  • S. Van Boxtael
    • 4
  • J. Pomés
    • 5
  • A. Prats-Galino
    • 6
  • M. Van de Velde
    • 7
  • A. Neyrinck
    • 7
    • 8
  • X. Sala-Blanch
    • 9
    • 10
  1. 1.Department of AnaesthesiaAZ TurnhoutTurnhoutBelgium
  2. 2.ZOLGenkBelgium
  3. 3.NYSORANew YorkUSA
  4. 4.Department of AnaesthesiaZOLGenkBelgium
  5. 5.Sección de radiología músculo-esquelética, Centro de Diagnóstico por la Imagen (CDI), Hospital ClínicUniversitat de BarcelonaBarcelonaSpain
  6. 6.Department of Anatomy, Laboratory of Surgical NeuroAnatomy (LSNA), Faculty of MedicineUniversitat de BarcelonaBarcelonaSpain
  7. 7.Department of Cardiovascular SciencesKU LeuvenLeuvenBelgium
  8. 8.Department of AnaesthesiologyUZ Leuven, Katholieke Universiteit LeuvenLeuvenBelgium
  9. 9.Hospital ClinicUniversitat de BarcelonaBarcelonaSpain
  10. 10.Faculty of MedicineUniversitat de BarcelonaBarcelonaSpain

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