Predictors of a better outcome of pneumatic dilatation in patients with primary achalasia.

Journal of Gastroenterology
Yuriko TanakaChoitsu Sakamoto

Abstract

Pneumatic dilatation (PD) has been widely used in the treatment of primary achalasia. The aim of this study was to evaluate the effectiveness of PD and its predictive factors in Japanese patients with primary achalasia. Fifty-five consecutive patients were treated using PD (Rigiflex balloon dilator). Diagnosis was established through radiographic and/or esophageal manometry. All patients underwent a pre-designed clinical evaluation prior to and 6 months after PD treatment. We defined success of PD as 6 months or more of clinical remission, with a total score (0-4) <or=2, a decrease in the total score >or=1 and the score for each item <or=1. Possible predictive factors to response were analyzed. Successful PD was achieved in 41 of 55 (74.5%) patients. The median age (58.0 years) in the successful group was significantly older than in the failure group (37.5 years), but there were no differences in other factors between the groups. When the cut-off value was set at 40 years of age, the success rate of PD in the >40-year age group was 85.7%, while the <40-year age group achieved a rate of only 38.5%. Multivariate logistic regression analysis also demonstrated that older age was the only independent factor associated with the succe...Continue Reading

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Citations

Oct 1, 2013·Journal of Laparoendoscopic & Advanced Surgical Techniques. Part a·Ciro EspositoAlessandro Settimi
Apr 25, 2012·World Journal of Gastroenterology : WJG·Seng-Kee ChuahChi-Sin Changchien
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