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Related Experiment Videos

Simultaneous videoradiography and computerized pharyngeal manometry--videomanometry

R Olsson1, H Nilsson, O Ekberg

  • 1Department of Diagnostic Radiology, Malmö General Hospital, University of Lund, Sweden.

Acta Radiologica (Stockholm, Sweden : 1987)
|January 1, 1994
PubMed
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This study combined barium swallow and pharyngeal manometry to assess muscle function in dysphagia patients. Results revealed that even with normal barium swallows, pharyngoesophageal segment dysfunction was present in 31% of patients.

Area of Science:

  • Gastroenterology
  • Neurology
  • Speech-Language Pathology

Background:

  • Dysphagia, or difficulty swallowing, affects muscle function in the pharynx and pharyngoesophageal segment (PES).
  • Accurate assessment of pharyngeal muscle function is crucial for understanding and managing dysphagia.

Purpose of the Study:

  • To investigate pharyngeal muscle function in patients with dysphagia.
  • To evaluate the utility of simultaneous barium swallow and computerized pharyngeal manometry in assessing dysphagia.

Main Methods:

  • Simultaneous barium swallow and computerized pharyngeal manometry using solid-state pressure transducers were performed on 30 consecutive patients.
  • Manometry catheter placement was guided by fluoroscopy for localized intraluminal pressure measurements in the pharynx.

Related Experiment Videos

  • Data were analyzed to correlate bolus transport with intraluminal pressures.

    • Main Results:

    • Sixteen patients had normal barium swallow results.
    • Of those with normal barium swallows, 5 (31%) exhibited pharyngoesophageal segment (PES) dysfunction on manometry.
    • Dysfunction included increased resting pressures (3 patients) and increased contraction pressures during peristalsis (2 patients).

    Conclusions:

    • Barium swallow and manometry are complementary diagnostic tools for dysphagia.
    • Manometry provides crucial information on intraluminal pressures generated by the pharyngeal wall during swallowing.
    • The combined approach offers insights into pressure dynamics relative to bolus transport, aiding in the elucidation of pharyngeal dysfunction.