{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,13]],"date-time":"2026-03-13T17:40:39Z","timestamp":1773423639580,"version":"3.50.1"},"reference-count":24,"publisher":"Public Library of Science (PLoS)","issue":"7","license":[{"start":{"date-parts":[[2017,7,7]],"date-time":"2017-07-07T00:00:00Z","timestamp":1499385600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"DOI":"10.1371\/journal.pone.0180515","type":"journal-article","created":{"date-parts":[[2017,7,7]],"date-time":"2017-07-07T17:41:54Z","timestamp":1499449314000},"page":"e0180515","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":16,"title":["Learning curve for laparoscopic Heller myotomy and Dor fundoplication for achalasia"],"prefix":"10.1371","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6682-4166","authenticated-orcid":true,"given":"Fumiaki","family":"Yano","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nobuo","family":"Omura","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuto","family":"Tsuboi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masato","family":"Hoshino","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Seryung","family":"Yamamoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shunsuke","family":"Akimoto","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takahiro","family":"Masuda","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hideyuki","family":"Kashiwagi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katsuhiko","family":"Yanaga","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"340","published-online":{"date-parts":[[2017,7,7]]},"reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"52","DOI":"10.4240\/wjgs.v8.i1.52","article-title":"Esophageal surgery in minimally invasive era","volume":"8","author":"L Bencini","year":"2016","journal-title":"World J Gastrointest Surg"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"55","DOI":"10.4293\/108680813X13693422520431","article-title":"Elimination of laparoscopic lens fogging using directional flow of CO2","volume":"18","author":"JT Calhoun","year":"2014","journal-title":"JSLS"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"490","DOI":"10.1016\/j.ijsu.2006.07.007","article-title":"Thoracic aortic injury during laparoscopic fundoplication for reflux esophagitis","volume":"6","author":"F Yano","year":"2008","journal-title":"Int J Surg"},{"key":"ref4","doi-asserted-by":"crossref","first-page":"362","DOI":"10.1007\/s00464-001-4109-x","article-title":"Aortic injury during laparoscopic fundoplication: an underreported complication","volume":"16","author":"PL Leggett","year":"2002","journal-title":"Surg Endosc"},{"key":"ref5","first-page":"6","article-title":"Endoscopic surgical skill qualification system (ESSQS) of the Japanese society of endoscopic surgery (JSES)","volume":"3","author":"T Yamakawa","year":"2013","journal-title":"BH Surg"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"706","DOI":"10.1007\/s00464-015-4264-0","article-title":"Identification of risk factors for mucosal injury during laparoscopic Heller myotomy for achalasia","volume":"30","author":"K Tsuboi","year":"2016","journal-title":"Surg Endosc"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1016\/S0140-6736(13)60651-0","article-title":"Achalasia","volume":"383","author":"GE Boeckxstaens","year":"2014","journal-title":"Lancet"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"508","DOI":"10.1097\/SLA.0000000000001870","article-title":"Per-oral endoscopic myotomy (POEM) after the learning curve: durable long-term results with a low complication rate","volume":"264","author":"ES Hungness","year":"2016","journal-title":"Ann Surg"},{"key":"ref9","doi-asserted-by":"crossref","first-page":"E577","DOI":"10.1055\/s-0042-104113","article-title":"Learning curve for peroral endoscopic myotomy","volume":"4","author":"M El Zein","year":"2016","journal-title":"Endosc Int Open"},{"key":"ref10","doi-asserted-by":"crossref","first-page":"1181","DOI":"10.1016\/j.gie.2014.10.002","article-title":"The light at the end of the tunnel: a single-operator learning curve analysis for per oral endoscopic myotomy","volume":"81","author":"KS Patel","year":"2015","journal-title":"Gastrointest Endosc"},{"key":"ref11","doi-asserted-by":"crossref","first-page":"92","DOI":"10.1007\/s11605-013-2332-0","article-title":"Analysis of a learning curve and predictors of intraoperative difficulty for peroral esophageal myotomy (POEM)","volume":"18","author":"EN Teitelbaum","year":"2014","journal-title":"J Gastrointest Surg"},{"key":"ref12","first-page":"41","article-title":"The &quot;learning curve&quot; in videoscopic Heller myotomy","volume":"6","author":"M Bloomston","year":"2002","journal-title":"JSLS"},{"key":"ref13","doi-asserted-by":"crossref","first-page":"837","DOI":"10.1177\/000313481307900829","article-title":"Defining the learning curve of laparoendoscopic single-site Heller myotomy","volume":"79","author":"SB Ross","year":"2013","journal-title":"Am Surg"},{"key":"ref14","doi-asserted-by":"crossref","first-page":"369","DOI":"10.1007\/s11894-013-0369-6","article-title":"Per-oral endoscopic myotomy (POEM) for esophageal achalasia","volume":"16","author":"R Pescarus","year":"2014","journal-title":"Curr Gastroenterol Rep"},{"key":"ref15","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":"AA Kurian","year":"2013","journal-title":"Gastrointest Endosc"},{"key":"ref16","doi-asserted-by":"crossref","first-page":"1689","DOI":"10.1007\/s00268-008-9622-9","article-title":"Defining a learning curve for laparoscopic cardiomyotomy","volume":"32","author":"BA Grotenhuis","year":"2008","journal-title":"World J Surg"},{"key":"ref17","year":"2012"},{"key":"ref18","doi-asserted-by":"crossref","first-page":"50","DOI":"10.1007\/s00595-014-0872-x","article-title":"Laparoscopic distal pancreatectomy: what factors are related to the learning curve?","volume":"45","author":"C Ricci","year":"2015","journal-title":"Surg Today"},{"key":"ref19","doi-asserted-by":"crossref","first-page":"1000","DOI":"10.1111\/iju.12893","article-title":"Predictors of trifecta outcomes in laparoscopic partial nephrectomy for clinical T1a renal masses","volume":"22","author":"K Osaka","year":"2015","journal-title":"Int J Urol"},{"key":"ref20","unstructured":"13th Nationwide survey of endoscopic surgery in Japan. Nihon Naishiky\u014d Geka Gakkai zasshi (J Jpn Soc Endosc Surg). 2016. 21: 689. Japanese."},{"key":"ref21","doi-asserted-by":"crossref","first-page":"1139","DOI":"10.1007\/s00595-014-1109-8","article-title":"Short-term surgical outcomes of reduced port surgery for esophageal achalasia","volume":"45","author":"N Omura","year":"2015","journal-title":"Surg Today"},{"key":"ref22","doi-asserted-by":"crossref","first-page":"10830","DOI":"10.3748\/wjg.v21.i38.10830","article-title":"Data analyses and perspectives on laparoscopic surgery for esophageal achalasia","volume":"21","author":"K Tsuboi","year":"2015","journal-title":"World J Gastroenterol"},{"key":"ref23","doi-asserted-by":"crossref","first-page":"1817","DOI":"10.1038\/ajg.2012.332","article-title":"Major complications of pneumatic dilation and Heller myotomy for achalasia: single-center experience and systematic review of the literature","volume":"107","author":"KL Lynch","year":"2012","journal-title":"Am J Gastroenterol"},{"key":"ref24","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1111\/j.1442-2050.2008.00891.x","article-title":"Results after laparoscopic Heller-Dor operation for esophageal achalasia in 100 consecutive patients","volume":"22","author":"K Tsuboi","year":"2009","journal-title":"Dis Esophagus"}],"container-title":["PLOS ONE"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/dx.plos.org\/10.1371\/journal.pone.0180515","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,10,11]],"date-time":"2020-10-11T19:55:40Z","timestamp":1602446140000},"score":1,"resource":{"primary":{"URL":"https:\/\/dx.plos.org\/10.1371\/journal.pone.0180515"}},"subtitle":[],"editor":[{"given":"Satoshi","family":"Inoue","sequence":"first","affiliation":[],"role":[{"role":"editor","vocabulary":"crossref"}]}],"short-title":[],"issued":{"date-parts":[[2017,7,7]]},"references-count":24,"journal-issue":{"issue":"7","published-online":{"date-parts":[[2017,7,7]]}},"URL":"https:\/\/doi.org\/10.1371\/journal.pone.0180515","relation":{},"ISSN":["1932-6203"],"issn-type":[{"value":"1932-6203","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,7,7]]}}}