{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T02:49:04Z","timestamp":1784774944393,"version":"3.55.0"},"reference-count":50,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2020,3,1]],"date-time":"2020-03-01T00:00:00Z","timestamp":1583020800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,3,1]],"date-time":"2020-03-01T00:00:00Z","timestamp":1583020800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["jgisurgery.com","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Journal of Gastrointestinal Surgery"],"published-print":{"date-parts":[[2020,3]]},"DOI":"10.1007\/s11605-019-04465-w","type":"journal-article","created":{"date-parts":[[2019,12,17]],"date-time":"2019-12-17T15:03:56Z","timestamp":1576595036000},"page":"505-515","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":55,"title":["Poem Versus Laparoscopic Heller Myotomy in the Treatment of Esophageal Achalasia: A Case-Control Study from Two High Volume Centers Using the Propensity Score"],"prefix":"10.1016","volume":"24","author":[{"given":"Andrea","family":"Costantini","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pietro","family":"Familiari","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9302-8536","authenticated-orcid":false,"given":"Mario","family":"Costantini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Renato","family":"Salvador","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michele","family":"Valmasoni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giovanni","family":"Capovilla","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosario","family":"Landi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesca","family":"Mangiola","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luca","family":"Provenzano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dario","family":"Briscolini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefano","family":"Merigliano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guido","family":"Costamagna","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"issue":"9911","key":"10.1007\/s11605-019-04465-w_bb0010","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/S0140-6736(13)60651-0","article-title":"Achalasia","volume":"383","author":"Boeckxstaens","year":"2014","journal-title":"Lancet"},{"key":"10.1007\/s11605-019-04465-w_bb0015","doi-asserted-by":"crossref","first-page":"869","DOI":"10.1136\/gut.2010.212423","article-title":"Management of achalasia: surgery or pneumatic dilation","volume":"60","author":"Richter","year":"2011","journal-title":"Gut"},{"issue":"4","key":"10.1007\/s11605-019-04465-w_bb0020","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1055\/s-0029-1244080","article-title":"Peroral endoscopic myotomy (POEM) for esophageal achalasia","volume":"42","author":"Inoue","year":"2010","journal-title":"Endoscopy"},{"key":"10.1007\/s11605-019-04465-w_bb0025","doi-asserted-by":"crossref","first-page":"1205","DOI":"10.1053\/j.gastro.2017.10.001","article-title":"Clinical Practice Update: The Use of Per-Oral Endoscopic Myotomy in Achalasia: Expert Review and Best Practice Advice From the AGA Institute","volume":"153","author":"Kahrilas","year":"2017","journal-title":"Gastroenterology"},{"key":"10.1007\/s11605-019-04465-w_bb0030","doi-asserted-by":"crossref","first-page":"1098","DOI":"10.1097\/SLA.0000000000000268","article-title":"A comparative study on comprehensive, objective outcomes of laparoscopic Heller myotomy with peroral endoscopic myotomy (POEM) for achalasia","volume":"259","author":"Bhayani","year":"2014","journal-title":"Ann Surg"},{"issue":"2","key":"10.1007\/s11605-019-04465-w_bb0035","doi-asserted-by":"crossref","first-page":"228","DOI":"10.1007\/s11605-012-2030-3","article-title":"Comparison of perioperative outcomes between peroral esophageal myotomy (POEM) and laparoscopic Heller myotomy","volume":"17","author":"Hungness","year":"2013","journal-title":"J Gastrointest Surg"},{"key":"10.1007\/s11605-019-04465-w_bb0040","doi-asserted-by":"crossref","first-page":"893","DOI":"10.1016\/j.surg.2013.04.042","article-title":"Peroral endoscopic myotomy: a short-term comparison with the standard laparoscopic approach","volume":"154","author":"Ujiki","year":"2013","journal-title":"Surgery"},{"issue":"8","key":"10.1007\/s11605-019-04465-w_bb0045","doi-asserted-by":"crossref","first-page":"1267","DOI":"10.1038\/ajg.2017.139","article-title":"Comprehensive Analysis of Adverse Events Associated With Per Oral Endoscopic Myotomy in 1826 Patients: An International Multicenter Study","volume":"112","author":"Haito-Chavez","year":"2017","journal-title":"Am J Gastroenterol"},{"issue":"2","key":"10.1007\/s11605-019-04465-w_bb0050","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1053\/j.gastro.2013.04.057","article-title":"Peroral endoscopic myotomy for the treatment of achalasia: an international prospective multicenter study","volume":"145","author":"Van Renteln","year":"2013","journal-title":"Gastroenterology"},{"issue":"5","key":"10.1007\/s11605-019-04465-w_bb0055","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1111\/1751-2980.12473","article-title":"POEM for special patient cohorts: A review","volume":"18","author":"Mu","year":"2017","journal-title":"J Dig Dis"},{"issue":"3","key":"10.1007\/s11605-019-04465-w_bb0060","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1097\/SLA.0000000000002311","article-title":"Laparoscopic Heller Myotomy Versus Peroral Endoscopic Myotomy (POEM) for Achalasia. A Systematic Review and Meta-analysis","volume":"267","author":"Schlottmann","year":"2018","journal-title":"Ann Surg"},{"issue":"7","key":"10.1007\/s11605-019-04465-w_bb0065","doi-asserted-by":"crossref","first-page":"807","DOI":"10.1111\/dote.12387","article-title":"Peroral endoscopic myotomy for the treatment of esophageal achalasia: systematic review and pooled analysis","volume":"29","author":"Patel","year":"2016","journal-title":"Dis Esophagus"},{"issue":"12","key":"10.1007\/s11605-019-04465-w_bb0070","doi-asserted-by":"crossref","first-page":"1059","DOI":"10.1055\/s-0042-114426","article-title":"Peroral endoscopic myotomy: a meta-analysis","volume":"48","author":"Akintoye","year":"2016","journal-title":"Endoscopy"},{"issue":"5","key":"10.1007\/s11605-019-04465-w_bb0075","doi-asserted-by":"crossref","first-page":"2187","DOI":"10.1007\/s00464-016-5217-y","article-title":"Safety and efficacy of POEM for treatment of achalasia: a systematic review of the literature","volume":"31","author":"Crespin","year":"2017","journal-title":"Surg Endosc"},{"issue":"10","key":"10.1007\/s11605-019-04465-w_bb0080","doi-asserted-by":"crossref","first-page":"e3001","DOI":"10.1097\/MD.0000000000003001","article-title":"Surgery or Peroral Esophageal Myotomy for Achalasia. A Systematic Review and Meta-Analysis","volume":"95","author":"Marano","year":"2016","journal-title":"Medicine (Baltimore)"},{"issue":"1","key":"10.1007\/s11605-019-04465-w_bb0085","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1111\/den.12511","article-title":"Gastroesophageal reflux disease after peroral endoscopic myotomy: Analysis of clinical, procedural and functional factors, associated with gastroesophageal reflux disease and esophagitis","volume":"28","author":"Familiari","year":"2016","journal-title":"Dig Endosc"},{"key":"10.1007\/s11605-019-04465-w_bb0090","doi-asserted-by":"crossref","first-page":"634","DOI":"10.1055\/s-0043-105485","article-title":"Gastroesophageal reflux after peroral endoscopic myotomy: A multicenter case\u2013control study","volume":"49","author":"Kumbhari","year":"2017","journal-title":"Endoscopy"},{"issue":"4","key":"10.1007\/s11605-019-04465-w_bb0095","doi-asserted-by":"crossref","first-page":"934","DOI":"10.1016\/j.gie.2017.10.022","article-title":"GERD after per-oral endoscopic myotomy as compared with Heller\u2019s myotomy with fundoplication: a systematic review with meta-analysis","volume":"87","author":"Repici","year":"2018","journal-title":"Gastrointest Endosc"},{"key":"10.1007\/s11605-019-04465-w_bb0100","doi-asserted-by":"crossref","first-page":"2265","DOI":"10.1002\/(SICI)1097-0258(19981015)17:19<2265::AID-SIM918>3.0.CO;2-B","article-title":"Propensity score methods for bias reduction in the comparison of a treatment to a non-randomized control group","volume":"17","author":"D\u2019Agostino","year":"1998","journal-title":"Statist Med"},{"key":"10.1007\/s11605-019-04465-w_bb0105","doi-asserted-by":"crossref","first-page":"82","DOI":"10.1097\/SLA.0000000000000992","article-title":"Peroral endoscopic myotomy for esophageal achalasia: outcomes of the first 100 patients with short-term follow-up","volume":"263","author":"Familiari","year":"2016","journal-title":"Ann Surg"},{"key":"10.1007\/s11605-019-04465-w_bb0110","doi-asserted-by":"crossref","first-page":"23","DOI":"10.1007\/s11605-018-3956-x","article-title":"A Thousand and One Laparoscopic Heller Myotomies for Esophageal Achalasia: a 25-Year Experience at a Single Tertiary Center","volume":"23","author":"Costantini","year":"2019","journal-title":"J Gastrointest Surg"},{"issue":"5","key":"10.1007\/s11605-019-04465-w_bb0115","doi-asserted-by":"crossref","first-page":"719","DOI":"10.1016\/j.gie.2012.12.006","article-title":"Peroral endoscopic esophageal myotomy: defining the learning curve","volume":"77","author":"Kurian","year":"2013","journal-title":"Gastrointest Endosc."},{"key":"10.1007\/s11605-019-04465-w_bb0120","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1093\/dote\/doy071","article-title":"The 2018 ISDE achalasia guidelines","volume":"31","author":"Zaninotto","year":"2018","journal-title":"Dis Esophagus"},{"key":"10.1007\/s11605-019-04465-w_bb0125","doi-asserted-by":"crossref","first-page":"1732","DOI":"10.1016\/0016-5085(92)91428-7","article-title":"Predictors of outcome in patients with achalasia treated by pneumatic dilation","volume":"103","author":"Eckardt","year":"1992","journal-title":"Gastroenterology"},{"issue":"3","key":"10.1007\/s11605-019-04465-w_bb0130","first-page":"190","article-title":"Diagnosis of achalasia","volume":"15","author":"Henderson","year":"1972","journal-title":"Can J Surg"},{"issue":"6","key":"10.1007\/s11605-019-04465-w_bb0135","doi-asserted-by":"crossref","first-page":"1035","DOI":"10.1016\/j.jamcollsurg.2009.02.049","article-title":"A new era in esophageal diagnostics: the image-based paradigm of high-resolution manometry","volume":"208","author":"Salvador","year":"2009","journal-title":"J Am Coll Surg"},{"issue":"2","key":"10.1007\/s11605-019-04465-w_bb0140","doi-asserted-by":"crossref","first-page":"160","DOI":"10.1111\/nmo.12477","article-title":"The Chicago Classification of esophageal motility disorders, v3.0","volume":"27","author":"International High Resolution Manometry Working Group","year":"2015","journal-title":"Neurogastroenterol Motil"},{"key":"10.1007\/s11605-019-04465-w_bb0145","first-page":"449","article-title":"Heller laparoscopic cardiomyotomy with the antireflux anterior fundiplication (Dor) in the treatment of esophageal achalasia","volume":"7","author":"Ancona","year":"1983","journal-title":"Surg Endosc"},{"issue":"2","key":"10.1007\/s11605-019-04465-w_bb0150","doi-asserted-by":"crossref","first-page":"172","DOI":"10.1136\/gut.45.2.172","article-title":"Endoscopic assessment of oesophagitis: clinical and functional correlates and further validation of the Los Angeles classification","volume":"45","author":"Lundell","year":"1999","journal-title":"Gut"},{"issue":"5","key":"10.1007\/s11605-019-04465-w_bb0155","doi-asserted-by":"crossref","first-page":"656","DOI":"10.1016\/S0022-5223(19)37879-1","article-title":"Technique, indications, and clinical use of 24 hour esophageal pH monitoring","volume":"79","author":"DeMeester","year":"1980","journal-title":"J Thorac Cardiovasc Surg"},{"issue":"7","key":"10.1007\/s11605-019-04465-w_bb0160","doi-asserted-by":"crossref","first-page":"1354","DOI":"10.1023\/A:1018873501205","article-title":"Gastroesophageal reflux in achalasia. When is reflux really reflux?","volume":"42","author":"Crookes","year":"1997","journal-title":"Dig Dis Sci"},{"issue":"19","key":"10.1007\/s11605-019-04465-w_bb0165","doi-asserted-by":"crossref","first-page":"1807","DOI":"10.1056\/NEJMoa1010502","article-title":"Pneumatic dilation versus laparoscopic Heller's myotomy for idiopathic achalasia","volume":"364","author":"European Achalasia Trial Investigators","year":"2011","journal-title":"N Engl J Med."},{"key":"10.1007\/s11605-019-04465-w_bb0170","doi-asserted-by":"crossref","first-page":"150","DOI":"10.1002\/pst.433","article-title":"Optimal caliper widths for propensity-score matching when estimating differences in means and differences in proportions in observational studies","volume":"10","author":"Austin","year":"2011","journal-title":"Pharmaceut Statist"},{"key":"10.1007\/s11605-019-04465-w_bb0175","unstructured":"Core R Team (2018). R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. URL http:\/\/www.R-project.org\/. Accessed April 2019"},{"issue":"3","key":"10.1007\/s11605-019-04465-w_bb0180","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1016\/S1091-255X(00)80077-3","article-title":"Treatment of esophageal achalasia with laparoscopic Heller myotomy and Dor partial anterior fundoplication: prospective evaluation of 100 consecutive patients","volume":"4","author":"Zaninotto","year":"2000","journal-title":"J Gastrointest Surg"},{"key":"10.1007\/s11605-019-04465-w_bb0185","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1097\/01.sla.0000133083.54934.ae","article-title":"Classification of Surgical Complications: A New Proposal With Evaluation in a Cohort of 6336 Patients and Results of a Survey","volume":"240","author":"Dindo","year":"2004","journal-title":"Ann Surg"},{"key":"10.1007\/s11605-019-04465-w_bb0190","doi-asserted-by":"crossref","first-page":"732","DOI":"10.1136\/gutjnl-2015-310602","article-title":"Long-term results of the European achalasia trial: a multicentre randomised controlled trial comparing pneumatic dilation versus laparoscopic Heller myotomy","volume":"65","author":"Moonen","year":"2016","journal-title":"Gut"},{"issue":"2","key":"10.1007\/s11605-019-04465-w_bb0195","doi-asserted-by":"crossref","first-page":"256","DOI":"10.1016\/j.jamcollsurg.2015.03.057","article-title":"Per-Oral Endoscopic Myotomy: A Series of 500 Patients","volume":"221","author":"Inoue","year":"2015","journal-title":"J Am Coll Surg"},{"issue":"2","key":"10.1007\/s11605-019-04465-w_bb0200","doi-asserted-by":"crossref","first-page":"134","DOI":"10.1001\/jama.2019.8859","article-title":"Effect of Peroral Endoscopic Myotomy vs Pneumatic Dilation on Symptom Severity and Treatment Outcomes Among Treatment-Naive Patients With Achalasia. A Randomized Clinical Trial","volume":"322","author":"Ponds","year":"2019","journal-title":"JAMA"},{"key":"10.1007\/s11605-019-04465-w_bb0205","doi-asserted-by":"crossref","first-page":"389","DOI":"10.1002\/bjs.5265","article-title":"Propensity score and the surgeon","volume":"93","author":"Adamina","year":"2006","journal-title":"Br J Surg"},{"issue":"7","key":"10.1007\/s11605-019-04465-w_bb0210","doi-asserted-by":"crossref","first-page":"2284","DOI":"10.1007\/s00464-018-6522-4","article-title":"Peroral endoscopic myotomy leads to higher rates of abnormal esophageal acid exposure than laparoscopic Heller myotomy in achalasia","volume":"33","author":"Sanaka","year":"2019","journal-title":"Surg Endosc"},{"issue":"1","key":"10.1007\/s11605-019-04465-w_bb0215","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1097\/SLA.0b013e31818e43ab","article-title":"Endoscopic and surgical treatments for achalasia: a systematic review and meta-analysis","volume":"249","author":"Campos","year":"2009","journal-title":"Ann Surg"},{"issue":"6","key":"10.1007\/s11605-019-04465-w_bb0220","doi-asserted-by":"crossref","first-page":"899","DOI":"10.1136\/gutjnl-2014-308649","article-title":"Clinical response to peroral endoscopic myotomy in patients with idiopathic achalasia at a minimum follow-up of 2\u00a0years","volume":"65","author":"Werner","year":"2016","journal-title":"Gut"},{"issue":"12","key":"10.1007\/s11605-019-04465-w_bb0225","doi-asserted-by":"crossref","first-page":"1923","DOI":"10.1007\/s11605-016-3276-y","article-title":"Mucosal Perforation During Laparoscopic Heller Myotomy Has No Influence on Final Treatment Outcome","volume":"20","author":"Salvador","year":"2016","journal-title":"J Gastrointest Surg"},{"key":"10.1007\/s11605-019-04465-w_bb0230","doi-asserted-by":"crossref","first-page":"625","DOI":"10.1055\/s-0043-112490","article-title":"Will Reflux Kill POEM?","volume":"49","author":"R\u00f6sch","year":"2017","journal-title":"Endoscopy"},{"issue":"12","key":"10.1007\/s11605-019-04465-w_bb0235","doi-asserted-by":"crossref","first-page":"1488","DOI":"10.1002\/bjs.6413","article-title":"Long-term outcome and risk of oesophageal cancer after surgery for achalasia","volume":"95","author":"Zaninotto","year":"2008","journal-title":"Br J Surg"},{"key":"10.1007\/s11605-019-04465-w_bb0240","doi-asserted-by":"crossref","first-page":"1238","DOI":"10.1038\/ajg.2013.196","article-title":"ACG Clinical Guideline: Diagnosis and management of achalasia","volume":"108","author":"Vaezi","year":"2013","journal-title":"Am J Gastroenterology"},{"issue":"10","key":"10.1007\/s11605-019-04465-w_bb0245","doi-asserted-by":"crossref","first-page":"2144","DOI":"10.1038\/ajg.2010.263","article-title":"Long-term esophageal cancer risk in patients with primary achalasia: a prospective study","volume":"105","author":"Leeuwenburgh","year":"2010","journal-title":"Am J Gastroenterol"},{"issue":"5","key":"10.1007\/s11605-019-04465-w_bb0250","doi-asserted-by":"crossref","first-page":"956","DOI":"10.1093\/ejcts\/ezy401","article-title":"Incidence and risk factors for the development of epidermoid carcinoma in oesophageal achalasia","volume":"55","author":"Tassi","year":"2019","journal-title":"Eur J Cardiothorac Surg"},{"key":"10.1007\/s11605-019-04465-w_bb0255","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1093\/dote\/dox072","article-title":"Esophageal achalasia: a risk factor for carcinoma. A systematic review and meta-analysis","volume":"30","author":"Tustumi","year":"2017","journal-title":"Dis Esophagus"}],"container-title":["Journal of Gastrointestinal Surgery"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11605-019-04465-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s11605-019-04465-w\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1091255X23014166?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1091255X23014166?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s11605-019-04465-w.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,21]],"date-time":"2025-10-21T19:58:16Z","timestamp":1761076696000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1091255X23014166"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,3]]},"references-count":50,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2020,3]]}},"alternative-id":["S1091255X23014166"],"URL":"https:\/\/doi.org\/10.1007\/s11605-019-04465-w","relation":{},"ISSN":["1091-255X"],"issn-type":[{"value":"1091-255X","type":"print"}],"subject":[],"published":{"date-parts":[[2020,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Poem Versus Laparoscopic Heller Myotomy in the Treatment of Esophageal Achalasia: A Case-Control Study from Two High Volume Centers Using the Propensity Score","name":"articletitle","label":"Article Title"},{"value":"Journal of Gastrointestinal Surgery","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1007\/s11605-019-04465-w","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2019 Society for Surgery of the Alimentary Tract. Published by ELSEVIER INC. All rights reserved. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}