Long-Term Outcome of Achalasia Treatment: The Need for Closer Follow-up

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Abstract
Treatment of achalasia includes pneumatic dilation (PD) and surgical myotomy (SM). Success rates range from 32% to 98% and are mostly based on symptomatic response. Our aims were to determine the long-term outcome of patients treated for achalasia and the adequacy of long-term follow-up. Patients treated with PD or SM between 1986 and 1990 were contacted by telephone after a minimum of 4 years after treatment, and asked about symptoms and need for retreatment since their discharge from our institution. Symptomatic response was classified as excellent/good or fair/poor using the Vantrappen score. Treatment was deemed a failure if patients were symptomatic on callback, needed retreatment, technical problems occurred during PD, or perforation occurred. Forty-seven PD patients and 15 SM patients were studied. There were no significant differences in clinical parameters between groups. Median time to callback was 82 and 73 months, respectively. Failure rates were high, respectively 74% and 67%. Importantly, 38% of PD and 33% of SM patients failed to seek help despite symptom recurrence. Achalasia treatment failures are higher than anticipated. This may be because of the lack of routine follow-up as well as patients' failure to seek help when symptoms recur. Achalasia patients need closer follow-up and may benefit from early intervention based on objective tests rather than symptoms alone.