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  • Title: [Long-term results for Heller-myotomy with anterior semifundoplication in achalasia].
    Author: Gockel I, Kneist W, Eckardt VF, Junginger T.
    Journal: Zentralbl Chir; 2004 Oct; 129(5):374-80. PubMed ID: 15486788.
    Abstract:
    INTRODUCTION: The positive success rate of cardiomyotomy in the treatment of achalasia has recently - especially in young patients - resulted in a primary operative treatment concept. Few studies of long-term effects of myotomy concerning the removal of dysphagia and the development of gastroesophageal reflux have been submitted. PATIENTS AND METHODS: In the period between September 1985 and March 2003, an open, transabdominal Heller-myotomy combined with a Dor-semifundoplication was carried out in 93 patients with achalasia. 77 patients were followed for more than 6 months postoperatively (median follow-up: 70 months). The procedure was prospectively observed, and patients were questioned concerning their clinical symptoms by means of structured interviews. X-ray examinations of the esophagus were pre- and postoperatively available of 47 patients, manometrical findings before and after myotomy of 26 patients. RESULTS: The pre-operatively existing symptoms dysphagia, regurgitation, retrosternal pain and weight-loss could be improved by myotomy in 97 % of the patients with good to excellent long-term results. Post-operatively, a significant reduction of the median maximum diameter of the esophagus of 50 mm to 30 mm was evident (p < 0.001), whereas the diameter of the cardia increased from 3 mm to 10 mm (p < 0.001). The pre-operative resting pressure of the lower esophageal sphincter (LES) of 29.3 mmHg was reduced to 7.9 mmHg (p < 0.001). Patients suffering from reflux esophagitis showed a significant lower resting pressure of the LES (4 mmHg) in comparison with patients without reflux esophagitis (8.5 mmHg) after myotomy (p=0.045). The clinical long-term results of patients with preceding pneumatic dilation did not differ significantly from those with primary myotomy. CONCLUSION: Conventional Heller-myotomy with anterior semifundoplication can in the long run remove the symptoms existent in achalasia with high efficiency. If the decrease of the post-operative resting pressure of the LES is too intense (< 5 mmHg), a possible gastroesophageal reflux has to be taken into account. The results of open cardiomyotomy have to be regarded as standard for assessing the minimal-invasive procedure.
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