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[Correlation and diagnostic agreement between magnetic resonance imaging and arthroscopy in rotator cuff rupture: a

I Nicolás-Piña1, R A Muñoz-Galguera1, B Díaz-De-Jesús1

  • 1Centro Médico Naval, Secretaría de Marina, Armada de México, Universidad Naval, Escuela de Postgrados en Sanidad Naval. Ciudad de México. México.

Acta Ortopedica Mexicana
|November 25, 2024
PubMed
Abstract

Insights

Magnetic Resonance Imaging (MRI) shows moderate agreement and strong correlation with arthroscopy for diagnosing rotator cuff tears in the Mexican population. This non-invasive imaging technique is a reliable alternative for detecting tears of all severities.

Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Medical Imaging

Background:

  • Arthroscopy is the gold standard for rotator cuff tear detection but is invasive.
  • Magnetic Resonance Imaging (MRI) offers a non-invasive alternative for diagnosing rotator cuff tears.
  • The diagnostic agreement between MRI and arthroscopy in the Mexican population was previously unclear.

Purpose of the Study:

  • To evaluate the correlation and diagnostic agreement between MRI and arthroscopy for rotator cuff tears.
  • To assess the accuracy of MRI in diagnosing rotator cuff tears of varying severity.

Main Methods:

  • 147 adult patients with rotator cuff syndrome undergoing arthroscopy and MRI were included.
  • Findings were classified into total tears, partial tear grade I (<50%), partial tear grade II (≥50%), or no tear.
  • Concordance, correlation, accuracy, sensitivity, specificity, PPV, and NPV of MRI were evaluated against arthroscopy.

Main Results:

  • MRI identified tears in 83% of patients, with 91.8% confirmed by arthroscopy.
  • Moderate diagnostic agreement was found between MRI and arthroscopy (kappa = 0.452).
  • Significant positive correlations were observed for detecting partial tears (grade I and II) and complete tears (rho = 0.77).

Conclusions:

  • MRI demonstrates moderate diagnostic agreement and strong positive correlation with arthroscopy for rotator cuff tear detection.
  • MRI is a reliable tool for diagnosing rotator cuff tears, irrespective of tear severity.
  • These findings support MRI as a valuable non-invasive alternative to arthroscopy in the Mexican population.
Keywords:
arthroscopycorrelationmagnetic resonancerotator cuff

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