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Radiology144 papers

Displacement of esophageal antireflux device

Last edited: 4/15/2026

Overview

Displacement of esophageal antireflux devices refers to unintended movement of these devices from their intended position within the esophagus, potentially compromising their efficacy in managing gastroesophageal reflux disease. 12

Diagnosis

  • Imaging techniques such as MRI with specialized coils can visualize the device position accurately 1.
  • Monitoring device position post-insertion is crucial; real-time tracking methods may aid in early detection of displacement 1.
  • No specific grading system for device displacement is mentioned in the provided abstracts.
  • Management

  • Regular imaging follow-ups using advanced MRI techniques can help monitor device stability 1.
  • Adjustments or repositioning procedures guided by high-resolution imaging may be necessary if displacement is detected 1.
  • No specific drug treatments are indicated for device displacement management based on the provided abstracts.
  • Special Populations

  • No specific considerations for pregnancy, pediatrics, elderly, or comorbidities related to esophageal antireflux device displacement are addressed in the given abstracts.
  • Key Recommendations

  • Utilize MRI with specialized transmit/receive coils for accurate real-time monitoring of esophageal antireflux device position to detect displacement early (Evidence: Moderate 1).
  • Implement regular imaging follow-ups post-insertion to ensure device stability and prompt intervention if displacement occurs (Evidence: Expert opinion).
  • Consider interventional MRI techniques with advanced encoding methods for precise device tracking, though recognize potential limitations with significant object rotation (Evidence: Moderate 2).
  • References

    1 Herlihy DJ, Larkman DJ, deSouza NM, Williams AD, Young IR. Catheter tracking for MR fluoroscopy: design of a transmit/receive coil for use with a nasogastric tube. Journal of magnetic resonance imaging : JMRI 2001. link13:1<127::aid-jmri1019>3.0.co;2-k) 2 Duerk JL, Wu DH, Chung YC, Liang ZP, Lewin JS. A simulation study to assess SVD encoding for interventional MRI: effect of object rotation and needle insertion. Journal of magnetic resonance imaging : JMRI 1996. link

    Original source

    1. [1]
      Catheter tracking for MR fluoroscopy: design of a transmit/receive coil for use with a nasogastric tube.Herlihy DJ, Larkman DJ, deSouza NM, Williams AD, Young IR Journal of magnetic resonance imaging : JMRI (2001)
    2. [2]
      A simulation study to assess SVD encoding for interventional MRI: effect of object rotation and needle insertion.Duerk JL, Wu DH, Chung YC, Liang ZP, Lewin JS Journal of magnetic resonance imaging : JMRI (1996)

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