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Ann Thorac Surg 2000;69:989-992
© 2000 The Society of Thoracic Surgeons

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ORIGINAL ARTICLES: GENERAL THORACIC

Pharyngeal dysphagia in postesophagectomy patients: correlation with deglutitive biomechanics

^a Dysphagia Institute, Division of Gastroenterology and Hepatology, Milwaukee, Wisconsin, USA
^b Division of Cardiothoracic Surgery, Medical College of Wisconsin, Zablocki Veterans Affairs Medical Center, Milwaukee, Wisconsin, USA

Address reprint requests to Dr Shaker, Division of Gastroenterology and Hepatology, Froedtert Memorial Lutheran Hospital, 9200 W Wisconsin Ave, Milwaukee, WI 53226

Background. Because of the transient nature of pharyngeal phase dysphagia, posttranshiatal esophagectomy patients provide a model for studying the correlation of dysphagic symptoms and aspiration with deglutitive biomechanics.

Methods. We studied 8 transhiatal esophagectomy patients (age range, 51 to 78 years) and 8 normal age-matched controls in upright position using lateral and anteroposterior (AP) projection videofluoroscopy during three 5 mL barium swallows.

Results. The maximum upper esophageal sphincter (UES) AP diameter and maximum anterior excursion of the hyoid bone in patients with transhiatal esophagectomy who experienced aspiration (6.2 ± 0.6 and 9.0 ± 2.0 mm, respectively) were significantly smaller than those of age-matched normal controls (9.4 ± 0.7 and 17.0 ± 1.0 mm, respectively). Resolution of aspiration was associated with a significant increase in AP diameter of the UES as well as anterior and superior excursion of the hyoid bone (p < 0.05).

Conclusions. Dysphagic symptoms and aspiration in posttranshiatal esophagectomy patients are associated with significant abnormalities of deglutitive biomechanics. Improvement in deglutitive biomechanics is associated with resolution of dysphagic symptoms as well as postdeglutitive aspiration in these patients.

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