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  • Title: Radionuclide confirmation of the therapeutic value of isosorbide dinitrate in relieving the dysphagia in achalasia.
    Author: Rozen P, Gelfond M, Salzman S, Baron J, Gilat T.
    Journal: J Clin Gastroenterol; 1982 Feb; 4(1):17-22. PubMed ID: 7077059.
    Abstract:
    In fifteen patients with achalasia, we measured lower esophageal sphincter pressures before and after 5 mg of sublingual isosorbide dinitrate. The mean pressure fell significantly, from 36.5 to 18.4 mm Hg (P less than 0.01). The effectiveness of this therapy was confirmed by gamma camera measurement of the esophageal emptying time of a radionuclide test meal which was significantly less after the medication (P less 0.05). The emptying time was invariably longer than 10 minutes before therapy, and in 12 of the 15 patients decreased after therapy to 1-8 minutes, corresponding to the clinical response to the drug therapy. The noninvasive radionuclide technique provides a simple way of assessing the results of drug therapy in achalasia.
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