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  • Title: Upper gastrointestinal motility disorders and respiratory symptoms.
    Author: Schiller LR.
    Journal: Am J Health Syst Pharm; 1996 Nov 15; 53(22 Suppl 3):S13-6. PubMed ID: 8931826.
    Abstract:
    The association between upper gastrointestinal (GI) motility disorders and respiratory problems is reviewed. Upper GI motility disorders, such as gastroesophageal reflux disease, gastroparesis, and achalasia, have been associated with respiratory problems, including aspiration, airway obstruction, asthma, bronchospasm, chronic cough, and laryngitis. These associations, which had been based solely on clinical observation, have recently been supported by physiologic studies and treatment trials. The association of reflux disease with asthma has the most support. Up to 80% of persons with asthma have evidence of pathologic gastroesophageal reflux, and in several studies antireflux therapy with prokinetic agents, antisecretory drugs, or fundoplication surgery has been found to reduce asthma symptoms and the need for medication in some patients. Reflux has also been associated with chronic cough and laryngitis, and antireflux therapy can reduce respiratory symptoms. Gastroesophageal reflux, gastroparesis, and achalasia are all associated with aspiration. In addition, in rare instances, the megaesophagus associated with achalasia can produce mechanical airway obstruction. Effective therapy for these GI motility disorders can eliminate complicating respiratory problems.
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