Quantifying cup overhang after total hip arthroplasty: standardized measurement using reformatted computed tomography and association of overhang distance with iliopsoas impingement - Takeaways - MDSpire

Quantifying cup overhang after total hip arthroplasty: standardized measurement using reformatted computed tomography and association of overhang distance with iliopsoas impingement

  • By

  • Adrian A. Marth

  • Christian Ofner

  • Patrick O. Zingg

  • Reto Sutter

  • December 26, 2023

  • 0 min

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  • 1

    Total hip arthroplasty (THA) is the most common joint replacement, with 625,000 procedures performed in the USA from 2012 to 2019.

  • 2

    Iliopsoas impingement (IPI) occurs in 2-7% of THA patients, causing persistent groin pain due to cup overhang and other risk factors.

  • 3

    Cup overhang (CO) can result from oversized cups or version mismatches, leading to iliopsoas tendon impingement during hip flexion.

  • 4

    This study proposes a standardized method for measuring overhang distance (OD) using reformatted CT images to assess its impact on IPI.

  • 5

    The study analyzed CT scans of 220 patients to evaluate the relationship between measured OD and the occurrence of iliopsoas impingement.

Original Source(s)

Quantifying cup overhang after total hip arthroplasty: standardized measurement using reformatted computed tomography and association of overhang distance with iliopsoas impingement

  • by Adrian A. Marth, Christian Ofner, Patrick O. Zingg, Reto Sutter

  • December 26, 2023

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