Journal of gastroenterology and hepatology · 2018
Outcomes of pneumatic dilation in achalasia: Extended follow-up of more than 25 years with a focus on manometric subtypes.
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Müller Michaela, Keck Christina, Eckardt Alexander J, Werling Sarah, Wehrmann Till, König Jochem, Gockel Ines
Аннотация
BACKGROUND AND AIM: Pneumatic dilation (PD) is the most popular nonsurgical treatment for achalasia. This study investigated predicting factors, including manometric subtypes for symptom recurrence in the long term, in patients with achalasia treated with a single PD.
METHODS: Between 1983 and 2013, a total of 107 patients were treated initially with a single PD and included in this longitudinal cohort study. Outcomes were correlated with demographics, symptoms (Eckardt score), and esophagographic and manometric features. Manometric tracings were retrospectively classified according to the three subtypes of the Chicago classification.
RESULTS: Ninety-one (85%) patients were successfully treated after the first PD. The median follow-up was 13.8 years (interquartile range 7-20). During follow-up, 54% of the patients experienced a clinical relapse. The overall cumulative success rates at 2, 5, 10, 15, 20, and 25 years were 64%, 53%, 49%, 42%, 36%, and 36%, respectively. Age < 40 years, lower esophageal sphincter pressure > 15 mmHg, a cardia width < 5 mm, and an esophageal barium column height > 1 cm 4 to 12 weeks post-dilation significantly correlated with symptom recurrence, whereas achalasia subtypes did not significantly correlate with the treatment results.
CONCLUSION: Pneumatic dilation in achalasia is an effective therapy in the short term, but its effect wanes in the very long term. Young age at presentation, a high lower esophageal sphincter pressure, a narrow cardia, and an esophageal barium column of > 1 cm after PD are predictive factors for the need of repeated treatment.
METHODS: Between 1983 and 2013, a total of 107 patients were treated initially with a single PD and included in this longitudinal cohort study. Outcomes were correlated with demographics, symptoms (Eckardt score), and esophagographic and manometric features. Manometric tracings were retrospectively classified according to the three subtypes of the Chicago classification.
RESULTS: Ninety-one (85%) patients were successfully treated after the first PD. The median follow-up was 13.8 years (interquartile range 7-20). During follow-up, 54% of the patients experienced a clinical relapse. The overall cumulative success rates at 2, 5, 10, 15, 20, and 25 years were 64%, 53%, 49%, 42%, 36%, and 36%, respectively. Age < 40 years, lower esophageal sphincter pressure > 15 mmHg, a cardia width < 5 mm, and an esophageal barium column height > 1 cm 4 to 12 weeks post-dilation significantly correlated with symptom recurrence, whereas achalasia subtypes did not significantly correlate with the treatment results.
CONCLUSION: Pneumatic dilation in achalasia is an effective therapy in the short term, but its effect wanes in the very long term. Young age at presentation, a high lower esophageal sphincter pressure, a narrow cardia, and an esophageal barium column of > 1 cm after PD are predictive factors for the need of repeated treatment.