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Outcomes Predictors in 121 Consecutive Patients

Yashodhan S. Khajanchee, MD; Shalini Kanneganti, MD; Amy E. B. Leatherwood, NP; Paul D. Hansen, MD; Lee L. Swanström, MD

Arch Surg. 2005;140:827-834.

Hypothesis  This study was performed to assess the intermediate-term outcomes after laparoscopic Heller myotomy and posterior Toupet fundoplication in a single-surgeon series with the expectation of identifying patient and disease factors associated with poor outcomes.

Design  Retrospective analysis of prospectively collected data.

Setting  Tertiary care teaching hospital with a comprehensive esophageal physiology laboratory.

Patients  A total of 121 patients undergoing laparoscopic Heller myotomy with Toupet fundoplication (between December 1, 1996, and December 31, 2004) for achalasia were included.

Interventions  All patients had preoperative objective documentation of achalasia. A 5- to 6-cm-long myotomy was performed on the distal esophagus. The myotomy incision was extended 2 cm onto the stomach. A partial (270°) posterior Toupet fundoplication was performed as an antireflux mechanism in all patients.

Main Outcome Measures  Data on preoperative and postoperative symptoms, manometry, and 24-hour ambulatory pH were prospectively collected. Symptoms were recorded with a standardized assessment tool. Patients with postoperative dysphagia scores of 2 or greater were considered treatment failure. Logistic regression modeling was performed to identify variables significant for poor outcomes.

Results  Preoperatively, 89 patients (73.6%) had severe dysphagia (dysphagia score, 3 or 4) and 32 patients (26.4%) had mild or moderate dysphagia (dysphagia score, 1 or 2). After a median follow-up period of 9 months, 102 patients (84.3%) (P<.001) had excellent relief of dysphagia (dysphagia score, 0 or 1). Eight additional patients (6.6%) demonstrated a significant (25%-75% [P=.01]) improvement in dysphagia scores. Only 11 patients (9.0%) had either no change or worse dysphagia. Postoperatively, all patients with manometry had a normal lower esophageal sphincter pressure (mean ± SD, 14.7 ± 6.6 mm Hg; P<.001) and good lower esophageal sphincter relaxation. Odds of failure were greatest for patients with severe preoperative dysphagia, male patients, and patients with classic amotile achalasia. Of the 60 patients having heartburnlike symptoms preoperatively (mean ± SD score, 2.52 ± 1.00), 19 (31.7%) continued to have similar symptoms after surgery. Sixteen (33.3%) of the 48 patients having postoperative pH studies demonstrated objective reflux (DeMeester score, >14.7). Five (31.2%) of these patients had symptoms of their reflux.

Conclusions  Dysphagia improves in most patients after laparoscopic Heller myotomy with partial fundoplication. Patients with severe preoperative dysphagia, esophageal dilation, or amotile achalasia may have greater chances of a poor outcome.

Author Affiliations: Minimally Invasive Surgery Department, Legacy Health System, Portland, Ore.

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