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      Asthma and gastroesophageal reflux disease: effect of long-term pantoprazole therapy.

      World journal of gastroenterology : WJG

      Female, 2-Pyridinylmethylsulfinylbenzimidazoles, Adult, Anti-Ulcer Agents, therapeutic use, Asthma, etiology, physiopathology, Benzimidazoles, Forced Expiratory Volume, Gastroesophageal Reflux, complications, drug therapy, Humans, Male, Middle Aged, Omeprazole, analogs & derivatives, Sulfoxides

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          Abstract

          To define the prevalence of gastroesophageal reflux disease (GERD) in mild persistent asthma and to value the effect of pantoprazole therapy on asthmatic symptoms. Seven of thirty-four asthmatic patients without GERD served as the non-GERD control group. Twenty-seven of thirty-four asthmatic patients had GERD (7/27 also had erosive esophagitis, sixteen of them presented GERD symptoms. An upper gastrointestinal endoscopy was performed in all the subjects to obtain five biopsy specimens from the lower 5 cm of the esophagus. Patients were considered to have GERD when they had a dilation of intercellular space (DIS) >0.74 mum at transmission electron microscopy. Patients with GERD were treated with pantoprazole, 80 mg/day. Forced expiratory volume in one second (FEV1) was performed at entry and after 6 mo of treatment. Asthmatic symptoms were recorded. The required frequency of inhaling rapid acting beta2-agonists was self-recorded in the patients' diaries. Seven symptomatic patients presented erosive esophagitis. Among the 18 asymptomatic patients, 11 presented DIS, while all symptomatic patients showed ultrastructural esophageal damage. Seven asymptomatic patients did not present DIS. At entry the mean of FEV(1) was 1.91 L in symptomatic GERD patients and 1.88 L in asymptomatic GERD patients. After the treatment, 25 patients had a complete recovery of DIS and reflux symptoms. Twenty-three patients presented a regression of asthmatic symptoms with normalization of FEV(1). Four patients reported a significant improvement of symptoms and their FEV(1) was over 80%. GERD is a highly prevalent condition in asthma patients. Treatment with pantoprazole (80 mg/day) determines their improvement and complete regression.

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