Abstract
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Describe the anatomical targets and clinical purpose of the pericapsular nerve group (PENG) block.
Identify sonographic techniques and key landmarks used to perform the PENG block in cadaveric studies.
Explain the findings of cadaveric studies evaluating injectate volume, nerve staining, and visualization methods used in PENG block research.
What is a major benefit of the PENG block for elderly patients undergoing hip fracture surgery? A. To provide motor-sparing analgesia for the anterior hip capsule B. Increased need for postoperative opioids C. To decrease proprioceptive feedback postoperatively D. To block the sacral plexus for posterior hip analgesia
Which nerves are primarily targeted by the PENG block for anterior hip capsule analgesia? A. Lateral femoral cutaneous nerve and sciatic nerve B. Femoral nerve, obturator nerve, and accessory obturator nerve C. Genitofemoral nerve and sciatic nerve D. Pudendal nerve and femoral nerve
What sonographic landmarks are used to guide needle placement during the PENG block? A. Pubic symphysis and acetabular labrum B. Iliac crest and femoral head C. Anterior inferior iliac spine and iliopubic eminence D. Greater trochanter and ischial tuberosity
In the study by Leurcharusmee et al., what was the MEV90 for a femoral nerve-sparing PENG block? A. 13.2 mL B. 10.2 mL C. 16.5 mL D. 22.0 mL
What type of cadaver preservation causes a loss of natural tissue flexibility and affects the “feeling” of the ultrasound-guided injection (USGI) procedure? A. Soft-embalmed B. Fresh frozen C. Nonformalin-preserved D. Formalin-fixed
According to the study, which imaging modality was uniquely used by Kim et al. to assess injectate distribution before dissection? A. Functional magnetic resonance imaging B. Fluoroscopy C. Contrast-enhanced computed tomography (CT) D. Positron emission tomography
What anatomical structure is lifted by the injectate to indicate correct placement during a PENG block? A. Sartorius muscle B. Psoas tendon C. Femoral artery D. Iliacus fascia
Footnotes
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