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INDICATIONS

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The manifestations of achalasia include chest pain, dysphagia, and in late situations malnutrition. Most patients have been treated for some length of time for the presumptive diagnosis of gastroesophageal reflux disease, however upon objective evaluation, the classic findings of aperistalsis of the esophagus and nonrelaxation of the lower esophageal sphincter are realized. Radiographic evidence may demonstrate long-standing disease and in some situations a dilated and distended esophagus.

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The treatment of achalasia can be multidisciplinary. Endoscopic surveillance and exclusion of malignancy or mechanical obstruction is important. Injection of botulin toxin into the lower esophageal sphincter has shown to provide relief, although this relief is temporary and may further complicate later definitive therapy. Botox injection for the treatment of achalasia should only be considered as a temporizing measure or as palliative therapy in selected patients. Pneumatic dilatation of the lower esophageal sphincter with a 3- or 4-cm balloon can be considered. This should be done under fluoroscopic guidance and reports have demonstrated reasonable success rates, especially when combined with salvage therapy or recurrent dilation. Despite these successes, surgical intervention remains as the first-line therapy for most patients and is associated with good outcomes. Peroral endoscopic myotomy is an emerging therapy that allows for division of the circular muscle fibers alone via a transoral–transmucosal route and is under evaluation.

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PREOPERATIVE PREPARATION

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Patients should be screened for other medical conditions, careful attention should be paid to the risk of pulmonary disease as chronic aspiration maybe a significant factor. Malnutrition likewise should be addressed. When a dilated esophagus is seen or a chronic disease is suspected, then careful preparation of the esophagus should be undertaken. Many patients will require a liquid only diet for several days prior to surgery to allow most of the solid contents of the esophagus to be gone at the time of induction of anesthesia and operative intervention. In planning the operative approach, the two standard approaches have been the left chest or through the abdomen. After extensive experience with laparoscopic exposure and laparoscopic manipulation of the gastroesophageal junction the preferred method is now a transabdominal laparoscopic Heller myotomy.

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ANESTHESIA

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Patients are given a general anesthetic with careful attention to prevent aspiration upon induction.

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POSITION

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Patients are placed in a supine position and can be in a leg split position with the arms extended, the operating surgeon can then stand between the patients’ leg with an assistance on each side.

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OPERATIVE PREPARATION

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The patient is kept NPO after midnight. Standard prophylactic antibiotics are administered within 1 hour of the incision. Prophylaxis for thromboembolism is administered.

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DETAILS OF THE PROCEDURE

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A variable trocar positioning can be utilized, however standard approach would include a midline periumbilical camera trocar with four additional trocars placed in the hypochondrium for ...

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