• J Dig Dis · Jul 2014

    Clinical Trial

    Effectiveness of peroral endoscopic myotomy in the treatment of achalasia: a pilot trial in Chinese Han population with a minimum of one-year follow-up.

    • Ting Sheng Ling, Hui Min Guo, Tian Yang, Chun Yan Peng, Xiao Ping Zou, and Rui Hua Shi.
    • Department of Gastroenterology, Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu Province, China; Department of Gastroenterology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China.
    • J Dig Dis. 2014 Jul 1; 15 (7): 352-8.

    ObjectiveTo investigate the outcomes of Chinese Han patients who underwent peroral endoscopic myotomy (POEM) for achalasia.MethodsPatients undergoing POEM for achalasia at the Affiliated Drum Tower Hospital of Nanjing University Medical School were prospectively enrolled in this study, with a follow-up duration of at least one year. Their outcomes were evaluated by analyzing esophageal manometry, timed barium esophagogram and 36-Item Short Form Health Survey (SF-36), which were performed before surgery, 5 days after surgery and at the last follow-up. Patients' symptom relief was considered the primary outcome. Secondary outcomes included lower esophageal sphincter (LES) pressure, esophageal emptying, patients' quality of life (QoL) and procedure-related complications.ResultsEighty-seven patients were included in the study. Eckardt score after POEM was remarkably lower than the preoperative score (0.4 ± 0.7 vs 7.1 ± 2.1, P = 0.001). The preoperative LES pressure was 32.4 ± 15.3 mmHg, which was decreased to 3.8 ± 3.9 mmHg immediately after surgery. The height of the barium column at 1 min after barium swallow was significantly reduced after treatment (11.7 ± 1.2 cm vs 3.2 ± 1.6 cm, P < 0.001). The patients' QoL was also improved, as indicated by obviously increased physical and mental component summary (PCS and MCS) scores of the SF-36. Complications occurred during POEM included cutaneous emphysema, mucosal injury and pneumothorax.ConclusionPOEM is an effective approach for treating achalasia, which can relieve the symptoms of achalasia by improving esophageal emptying and lowering LES pressure.© 2014 Chinese Medical Association Shanghai Branch, Chinese Society of Gastroenterology, Renji Hospital Affiliated to Shanghai Jiaotong University School of Medicine and Wiley Publishing Asia Pty Ltd.

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