Heller's myotomy: thoracoscopic or laparoscopic?

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Abstract
Cardiomyotomy is now usually performed using a minimally invasive approach. A consecutive series of 18 patients with an intention to treat thoracoscopically were followed by the same number of patients treated laparoscopically. Both groups have been followed prospectively for a minimum of 2 years. The groups were well matched for age, symptom duration, preoperative lower esophageal sphincter pressure, and number having undergone balloon dilatation. There was one conversion from a thoracoscopic to a laparoscopic approach so that, for the purpose of analysis, there are 17 in the thoracoscopic group and 19 in the laparoscopic group. There was no difference in the average operating time, rate of conversion to open operation, mucosal breaches, or length of hospitalization. Nor was there any difference in dysphagia symptoms, with 14/17 having a satisfactory result after thoracoscopic myotomy and 18/19 after laparoscopic myotomy. Frequency of reflux symptoms was similar and, although mild reflux was common, only two patients required treatment with a proton pump blocker. In the treatment of achalasia, thoracoscopic and laparoscopic myotomy without fundoplication are equally effective in relieving dysphagia and have a similar safety profile.