Abstract: We report a case of diffuse esophageal spasm (DES) successfully treated by esophageal long myotomy and Dor's fundoplication. The patient was a 52-year-old man with a history of hepatitis C and severe chronic heart failure due to hypertensive cardiomyopathy. He had also undergone hemodialysis for chronic renal failure for 10 years. He had complained of dysphagia for 10 years. Diffuse esophageal spasm was diagnosed by fluoroscopy and esophageal manometry. We performed esophageal long myotomy through the opened hiatus and Dor's fundoplication. The upper extent of the myotomy was confirmed by intraoperative endoscopic ultrasonography used to detect muscle thickening and low compliance of the esophageal wall. The procedure and postoperative recovery were uneventful, and the patient's symptoms were relieved. This approach appears to be a potentially useful means of treating severe symptoms of DES resistant to conservative therapy, with ultrasound endoscopy being a helpful means of confirming the extent of esophageal myotomy.
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