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Aim <p>This exploratory study analyzes High-Resolution Impedance Manometry (HRIM) data obtained during a phase II rehabilitation trial in laryngectomees at baseline (T0), after six-weeks of resistance-based training (T1), and after eight weeks of rest (T2), exploring its potential value in alaryngeal dysphagia research and clinical practice.</p> Methods <p>Pharyngeal HRIM was combined with videofluoroscopy to evaluate swallowing biomechanics in 17 laryngectomy patients. Parameters included Pharyngeal (Velo-, Meso-, and Hypopharyngeal) Contractile Integrals, Intra-Bolus Pressure, UES Relaxation Time, Maximum Admittance, and Integrated Relaxation Pressure.</p> Results <p>No significant differences were found in the Pharyngeal Contractile Integrals, Intra-Bolus Pressure, Relaxation Time, Maximum Admittance, or Integrated Relaxation Pressure. However, pharyngeal pressures and Maximum Admittance slightly decreased from T0 to T1, and increased at T2 for all consistencies (thin, extremely thick, solid).</p> Conclusion <p>Alaryngeal resistance-based swallowing exercises lead to small, non-significant differences in pharyngeal pressures. HRIM provides valuable insights, but its application for this population remains uncertain.</p>

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Evaluation of post-laryngectomy dysphagia rehabilitation using High-Resolution impedance manometry: an exploratory study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月3日

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  • Marise Neijman,
  • Maarten J. A. van Alphen,
  • Rob J.J.H. van Son,
  • Martijn M. Stuiver,
  • Frans J.M. Hilgers,
  • Michiel W.M. van den Brekel,
  • Lisette van der Molen

摘要

Aim

This exploratory study analyzes High-Resolution Impedance Manometry (HRIM) data obtained during a phase II rehabilitation trial in laryngectomees at baseline (T0), after six-weeks of resistance-based training (T1), and after eight weeks of rest (T2), exploring its potential value in alaryngeal dysphagia research and clinical practice.

Methods

Pharyngeal HRIM was combined with videofluoroscopy to evaluate swallowing biomechanics in 17 laryngectomy patients. Parameters included Pharyngeal (Velo-, Meso-, and Hypopharyngeal) Contractile Integrals, Intra-Bolus Pressure, UES Relaxation Time, Maximum Admittance, and Integrated Relaxation Pressure.

Results

No significant differences were found in the Pharyngeal Contractile Integrals, Intra-Bolus Pressure, Relaxation Time, Maximum Admittance, or Integrated Relaxation Pressure. However, pharyngeal pressures and Maximum Admittance slightly decreased from T0 to T1, and increased at T2 for all consistencies (thin, extremely thick, solid).

Conclusion

Alaryngeal resistance-based swallowing exercises lead to small, non-significant differences in pharyngeal pressures. HRIM provides valuable insights, but its application for this population remains uncertain.