{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T22:51:24Z","timestamp":1785883884245,"version":"3.56.0"},"reference-count":18,"publisher":"Springer Science and Business Media LLC","issue":"9","license":[{"start":{"date-parts":[[2025,7,23]],"date-time":"2025-07-23T00:00:00Z","timestamp":1753228800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2025,7,23]],"date-time":"2025-07-23T00:00:00Z","timestamp":1753228800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Surg Endosc"],"published-print":{"date-parts":[[2025,9]]},"DOI":"10.1007\/s00464-025-11947-3","type":"journal-article","created":{"date-parts":[[2025,7,23]],"date-time":"2025-07-23T19:02:21Z","timestamp":1753297341000},"page":"6192-6199","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Esophageal morphology does not predict post-operative outcomes after peroral endoscopic myotomy"],"prefix":"10.1007","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3802-9055","authenticated-orcid":false,"given":"Christina S.","family":"Boutros","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine A.","family":"Boutros","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jamie R.","family":"Benson","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saher-Zahra","family":"Khan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emily","family":"Simon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrick","family":"Wieland","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamza Nasir","family":"Chatha","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joshua","family":"Lyons","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeffrey M.","family":"Marks","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,7,23]]},"reference":[{"issue":"3","key":"11947_CR1","doi-asserted-by":"publisher","first-page":"141","DOI":"10.14740\/gr1617","volume":"16","author":"DS Dahiya","year":"2023","unstructured":"Dahiya DS, Nivedita F, Perisetti A, Goyal H, Inamdar S, Gangwani MK, Sharma NR (2023) Clinical outcomes and complications for achalasia patients admitted after per-oral endoscopic myotomy. Gastroenterol Res 16(3):141","journal-title":"Gastroenterol Res"},{"issue":"2","key":"11947_CR2","doi-asserted-by":"publisher","first-page":"134","DOI":"10.1001\/jama.2019.8859","volume":"322","author":"FA Ponds","year":"2019","unstructured":"Ponds FA, Fockens P, Lei A, Neuhaus H, Beyna T, Kandler J, Bredenoord AJ (2019) Effect of peroral endoscopic myotomy vs pneumatic dilation on symptom severity and treatment outcomes among treatment-naive patients with achalasia: a randomized clinical trial. JAMA 322(2):134\u2013144","journal-title":"JAMA"},{"issue":"9","key":"11947_CR3","doi-asserted-by":"publisher","first-page":"4124","DOI":"10.1007\/s00464-019-07180-4","volume":"34","author":"S Maruyama","year":"2020","unstructured":"Maruyama S, Taniyama Y, Sakurai T, Hikage M, Sato C, Takaya K, Konno T, Naitoh T, Unno M, Kamei T (2020) Per-oral endoscopic myotomy (POEM) for a sigmoid type of achalasia: short-term outcomes and changes in the esophageal angle. Surg Endosc 34(9):4124\u20134130. https:\/\/doi.org\/10.1007\/s00464-019-07180-4","journal-title":"Surg Endosc"},{"issue":"3","key":"11947_CR4","doi-asserted-by":"publisher","first-page":"196","DOI":"10.3892\/etm.2021.9629","volume":"21","author":"D Liu","year":"2021","unstructured":"Liu D, Liu YY, Chen JX, Song L, Zhou YY, Ullah S, Zhao LX, Hai B, Zheng QF, Li DY, He DZ, Liu BR (2021) Influence of esophageal morphology on the clinical efficacy of peroral endoscopic myotomy in treating advanced achalasia cardia. Exp Ther Med 21(3):196. https:\/\/doi.org\/10.3892\/etm.2021.9629","journal-title":"Exp Ther Med"},{"issue":"9","key":"11947_CR5","doi-asserted-by":"publisher","first-page":"7226","DOI":"10.1007\/s00464-023-10249-w","volume":"37","author":"J Lyons","year":"2023","unstructured":"Lyons J, Boutros C, Khan SZ, Benson J, Hashimoto DA, Marks J (2023) Preoperative manometric data can predict symptom improvement after per oral endoscopic myotomy for treatment of achalasia. Surg Endosc 37(9):7226\u20137229","journal-title":"Surg Endosc"},{"issue":"7","key":"11947_CR6","doi-asserted-by":"publisher","first-page":"3503","DOI":"10.1007\/s00464-024-10862-3","volume":"38","author":"Y Shou","year":"2024","unstructured":"Shou Y, Wang X, Liu D (2024) Factors associated with peroral endoscopic myotomy for achalasia outcomes: systematic review and meta-analysis. Surg Endosc 38(7):3503\u20133519. https:\/\/doi.org\/10.1007\/s00464-024-10862-3","journal-title":"Surg Endosc"},{"issue":"3","key":"11947_CR7","doi-asserted-by":"publisher","first-page":"349","DOI":"10.1016\/j.gie.2023.10.025","volume":"99","author":"B Vauquelin","year":"2024","unstructured":"Vauquelin B, Qu\u00e9n\u00e9herv\u00e9 L, Pioche M, Barret M, Wallenhorst T, Chabrun E, Coron E, Roman S, Mion F, Chaussade S, Ponchon T, Olivier R, Rivi\u00e8re P, Zerbib F, Berger A (2024) Factors associated with early failure of peroral endoscopic myotomy in achalasia. Gastrointest Endosc 99(3):349-357.e3. https:\/\/doi.org\/10.1016\/j.gie.2023.10.025","journal-title":"Gastrointest Endosc"},{"issue":"1","key":"11947_CR8","doi-asserted-by":"publisher","first-page":"58","DOI":"10.1097\/XCS.0000000000000448","volume":"236","author":"M Rassoul Abu-Nuwar","year":"2023","unstructured":"Rassoul Abu-Nuwar M, Eriksson SE, Sarici IS, Zheng P, Hoppo T, Jobe BA, Ayazi S (2023) GERD after peroral endoscopic myotomy: assessment of incidence and predisposing factors. J Am Coll Surg 236(1):58\u201370. https:\/\/doi.org\/10.1097\/XCS.0000000000000448","journal-title":"J Am Coll Surg"},{"issue":"3","key":"11947_CR9","doi-asserted-by":"publisher","first-page":"402","DOI":"10.1016\/j.jtcvs.2004.02.018","volume":"128","author":"TC Mineo","year":"2004","unstructured":"Mineo TC, Pompeo E (2004) Long-term outcome of Heller myotomy in achalasic sigmoid esophagus. J Thorac Cardiovasc Surg 128(3):402\u2013407","journal-title":"J Thorac Cardiovasc Surg"},{"key":"11947_CR10","doi-asserted-by":"publisher","first-page":"2841","DOI":"10.1007\/s00464-014-4013-9","volume":"29","author":"JW Hu","year":"2015","unstructured":"Hu JW, Li QL, Zhou PH, Yao LQ, Xu MD, Zhang YQ, Cai MY (2015) Peroral endoscopic myotomy for advanced achalasia with sigmoid-shaped esophagus: long-term outcomes from a prospective, single-center study. Surg Endosc 29:2841\u20132850","journal-title":"Surg Endosc"},{"issue":"9","key":"11947_CR11","doi-asserted-by":"publisher","first-page":"611","DOI":"10.1007\/BF02239272","volume":"14","author":"M Sultan","year":"1969","unstructured":"Sultan M, Norton RA (1969) Esophageal diameter and the treatment of achalasia. Am J Dig Dis 14(9):611\u2013618. https:\/\/doi.org\/10.1007\/BF02239272","journal-title":"Am J Dig Dis"},{"issue":"3","key":"11947_CR12","doi-asserted-by":"publisher","first-page":"748","DOI":"10.2214\/AJR.07.3455","volume":"191","author":"DE Schraufnagel","year":"2008","unstructured":"Schraufnagel DE, Michel JC, Sheppard TJ, Saffold PC, Kondos GT (2008) CT of the normal esophagus to define the normal air column and its extent and distribution. AJR Am J Roentgenol 191(3):748\u2013752. https:\/\/doi.org\/10.2214\/AJR.07.3455","journal-title":"AJR Am J Roentgenol"},{"issue":"4","key":"11947_CR13","doi-asserted-by":"publisher","first-page":"319","DOI":"10.1111\/j.1442-2050.2010.01157.x","volume":"25","author":"A Duranceau","year":"2012","unstructured":"Duranceau A, Liberman M, Martin J, Ferraro P (2012) End-stage achalasia. Dis Esophagus 25(4):319\u2013330. https:\/\/doi.org\/10.1111\/j.1442-2050.2010.01157.x","journal-title":"Dis Esophagus"},{"issue":"3","key":"11947_CR14","doi-asserted-by":"publisher","DOI":"10.7759\/cureus.55721","volume":"16","author":"LI Chong Tai","year":"2024","unstructured":"Chong Tai LI, Akil O, Nguyen KQ, Sharma A (2024) End-stage achalasia with megaesophagus refractory to two Heller myotomies. Cureus 16(3):e55721. https:\/\/doi.org\/10.7759\/cureus.55721","journal-title":"Cureus"},{"issue":"10","key":"11947_CR15","doi-asserted-by":"publisher","first-page":"doab053","DOI":"10.1093\/dote\/doab053","volume":"34","author":"MF Orlandini","year":"2021","unstructured":"Orlandini MF, Serafim MCA, Datrino LN, Tavares G, Trist\u00e3o LS, Dos Santos CL, Bernardo WM, Tustumi F (2021) Myotomy in sigmoid megaesophagus: is it applicable? A systematic review and meta-analysis. Dis Esophagus 34(10):doab053. https:\/\/doi.org\/10.1093\/dote\/doab053","journal-title":"Dis Esophagus"},{"key":"11947_CR16","doi-asserted-by":"publisher","DOI":"10.3389\/fmed.2021.677694","volume":"8","author":"J Xu","year":"2021","unstructured":"Xu J, Zhong C, Huang S, Zeng X, Tan S, Shi L, Peng Y, L\u00fc M, Ma L, Tang X (2021) Efficacy and safety of peroral endoscopic myotomy for sigmoid-type achalasia: a systematic review and meta-analysis. Front Med 8:677694. https:\/\/doi.org\/10.3389\/fmed.2021.677694","journal-title":"Front Med"},{"key":"11947_CR17","doi-asserted-by":"publisher","DOI":"10.1016\/j.amsu.2021.102277","volume":"65","author":"F Tuma","year":"2021","unstructured":"Tuma F, Aljazeeri J, Khorgami Z, Khaitan L (2021) The level of impaired esophageal bolus transit measured by multichannel intraluminal impedance: cross-sectional study. Ann Med Surg 65:102277. https:\/\/doi.org\/10.1016\/j.amsu.2021.102277","journal-title":"Ann Med Surg"},{"issue":"1","key":"11947_CR18","doi-asserted-by":"publisher","first-page":"67","DOI":"10.5056\/jnm19144","volume":"26","author":"HJ Yoon","year":"2020","unstructured":"Yoon HJ, Lee JE, Park JC, Youn YH, Park H (2020) Morphologic restoration after peroral endoscopic myotomy in sigmoid-type achalasia. J Neurogastroenterol Motil 26(1):67","journal-title":"J Neurogastroenterol Motil"}],"container-title":["Surgical Endoscopy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00464-025-11947-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00464-025-11947-3\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00464-025-11947-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,9,3]],"date-time":"2025-09-03T18:01:39Z","timestamp":1756922499000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00464-025-11947-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,7,23]]},"references-count":18,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2025,9]]}},"alternative-id":["11947"],"URL":"https:\/\/doi.org\/10.1007\/s00464-025-11947-3","relation":{},"ISSN":["0930-2794","1432-2218"],"issn-type":[{"value":"0930-2794","type":"print"},{"value":"1432-2218","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,7,23]]},"assertion":[{"value":"12 March 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"18 June 2025","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"23 July 2025","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Drs. Christina S. Boutros, Catherine A. Boutros, Jamie Benson, Saher Khan, Emily Simon, Patrick Wieland, and Hamza Nasir Chatha have no disclosures. Dr. Joshua Lyons reports that he is a Consultant for Steris Endoscopy. Dr. Jeffrey Marks reports that he is a Consultant for Boston Scientific and Steris Endoscopy.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"This study was approved by University Hospitals Institutional Review Board (STUDY20211272).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}