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DOI: 10.1055/s-2004-860873
Balloon Dilatation of Esophageal Strictures/Achalasia
Publication History
Publication Date:
16 December 2004 (online)
ABSTRACT
Achalasia is an esophageal motor disorder characterized by increased lower esophageal sphincter (LES) pressure, diminished-to-absent peristalsis in the distal portion of the esophagus composed of smooth muscle, and lack of a coordinated LES relaxation in response to swallowing. These abnormalities are recognized radiographically by aperistalsis, esophageal dilatation, and decreased opening of the LES, with a characteristic “bird-beak” appearance. The principal symptom of this disorder is dysphagia and pneumatic dilatation is designed to alleviate or cure this symptom.
KEYWORDS
Achalasia - balloon dilatation - fluoroscopy - dysphagia
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Dr. Tarun Sabharwal
Department of Radiology, St Thomas' Hospital
Lambeth Palace Road, London
SE17EH, United Kingdom
Email: Tarun.Sabharwal@gstt.sthames.nhs.uk