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  • Title: A prospective randomized study comparing forceful dilatation and esophagomyotomy in patients with achalasia of the esophagus.
    Author: Csendes A, Velasco N, Braghetto I, Henriquez A.
    Journal: Gastroenterology; 1981 Apr; 80(4):789-95. PubMed ID: 7202950.
    Abstract:
    A prospective and randomized study was performed comparing pneumatic forceful dilatation and surgical esophagomyotomy as primary treatment of patients with achalasia of the esophagus. Eighteen dilated and 20 operated patients were studied before and after treatment with 1 patient lost. Clinical, radiologic, and manometric evaluations were performed before and after treatment and acid reflux test in the late follow-up period. Immediately after treatment, a significant improvement was seen clinically, by radiologic studies and after manometric evaluation. In the late follow-up period, operated patients showed a permanent improvement in all of them, but dilated patients remained a symptomatic in about 50% of the cases. The rest had to be redilated or reoperated on due to a failure of primary dilatation leading to final good or excellent results in 60% and failure in 40% of patients. Acid reflux test showed a positive test in 31% of the operated patients and in 7% of the dilated patients. This controlled study suggests that surgical treatment of achalasia, used as primary treatment, is accompanied by significantly better long-term results compared with pneumatic dilatation according to the technique utilized by us.
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