In this series, overall procedure time did not decrease with experience and may not be an important marker of procedural skill for POEM. Prior endoscopic treatment, longer symptom duration, and esophageal dilatation may result in increased operative difficulty during POEM.
In this series, POEM resulted in greater than 90% symptomatic treatment success at mean 15-month follow-up. Rates of iatrogenic gastroesophageal reflux, as measured both by symptoms and 24-h pH monitoring, appeared to be on par with recent studies of patients undergoing laparoscopic Heller myotomy and pneumatic dilation.
POEM and LHM result in a similar improvement in EGJ distensibility intraoperatively. Further study is needed to correlate intraoperative FLIP measurements with postoperative symptomatic and physiologic outcomes.
Discharge year strongly predicted surgery type. Females, whites, and Medicaid recipients received RYGB more than referents. Conversely, males, non-whites, and insured patients were more likely to receive VSG. Underinsured, regardless of surgery type, were more likely to be readmitted. These findings have important implications for health policy and cost-containment strategies.
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