Sharma P, Stavropoulos SN (2023) Is peroral endoscopic myotomy the new gold standard for achalasia therapy? Dig Endosc 35:173–183

Article  PubMed  Google Scholar 

Inoue H, Minami H, Kobayashi Y et al (2010) Peroral endoscopic myotomy (POEM) for esophageal achalasia. Endoscopy 42:265–271

Article  CAS  PubMed  Google Scholar 

Khashab MA, Sanaei O, Rivory J et al (2020) Peroral endoscopic myotomy: anterior versus posterior approach: a randomized single-blinded clinical trial. Gastrointest Endosc 91(288–297):e287

Google Scholar 

Kumbhari V, Tieu AH, Onimaru M et al (2015) Peroral endoscopic myotomy (POEM) vs laparoscopic Heller myotomy (LHM) for the treatment of Type III achalasia in 75 patients: a multicenter comparative study. Endosc Int Open 3:E195-201

Article  PubMed  PubMed Central  Google Scholar 

Li C, Gong A, Zhang J et al (2017) Clinical outcomes and safety of partial full-thickness myotomy versus circular muscle myotomy in peroral endoscopic myotomy for achalasia patients. Gastroenterol Res Pract 2017:2676513

Article  PubMed  PubMed Central  Google Scholar 

Committee NPWP, Stavropoulos SN, Desilets DJ et al (2014) Per-oral endoscopic myotomy white paper summary. Gastrointest Endosc 80:1–15

Article  Google Scholar 

Gutschow CA, Holscher AH (2010) Myotomy for esophageal achalasia—laparoscopic versus peroral endoscopic approach. Endoscopy 42:318–319

Article  CAS  PubMed  Google Scholar 

Jones R, Junghard O, Dent J et al (2009) Development of the GerdQ, a tool for the diagnosis and management of gastro-oesophageal reflux disease in primary care. Aliment Pharmacol Ther 30:1030–1038

Article  CAS  PubMed  Google Scholar 

Armstrong D, Bennett JR, Blum AL et al (1996) The endoscopic assessment of esophagitis: a progress report on observer agreement. Gastroenterology 111:85–92

Article  CAS  PubMed  Google Scholar 

Li QL, Chen WF, Zhou PH et al (2013) Peroral endoscopic myotomy for the treatment of achalasia: a clinical comparative study of endoscopic full-thickness and circular muscle myotomy. J Am Coll Surg 217:442–451

Article  PubMed  Google Scholar 

Takahashi K, Sato H, Shimamura Y et al (2024) Novel scale for evaluating the therapeutic efficacy of per-oral endoscopic myotomy in achalasia. J Gastroenterol 59(8):658–667

Article  PubMed  Google Scholar 

Saleh CMG, Familiari P, Bastiaansen BAJ et al (2023) The efficacy of peroral endoscopic myotomy vs pneumatic dilation as treatment for patients with achalasia suffering from persistent or recurrent symptoms after laparoscopic heller myotomy: a randomized clinical trial. Gastroenterology 164(1108–1118):e1103

Google Scholar 

Werner YB, Hakanson B, Martinek J et al (2019) Endoscopic or surgical myotomy in patients with idiopathic achalasia. N Engl J Med 381:2219–2229

Article  PubMed  Google Scholar 

Tenlik I, Ozturk O, Ozin Y et al (2023) Pneumatic dilation in geriatric achalasia patients. Turk J Gastroenterol 34:332–338

Article  PubMed  PubMed Central  Google Scholar 

Ujiki MB, Yetasook AK, Zapf M et al (2013) Peroral endoscopic myotomy: a short-term comparison with the standard laparoscopic approach. Surgery 154: 893–897; discussion 897–900.

Li CJ, Tan YY, Wang XH, Liu DL (2015) Peroral endoscopic myotomy for achalasia in patients aged >/= 65 years. World J Gastroenterol 21:9175–9181

Article  PubMed  PubMed Central  Google Scholar 

Tan S, Zhong C, Ren Y et al (2021) Efficacy and safety of peroral endoscopic myotomy in achalasia patients with failed previous intervention: a systematic review and meta-analysis. Gut Liver 15:153–167

Article  PubMed  Google Scholar 

Familiari P, Borrelli de Andreis F, Landi R et al (2023) Long versus short peroral endoscopic myotomy for the treatment of achalasia: results of a non-inferiority randomised controlled trial. Gut 72:1442–1450.

Ichkhanian Y, Abimansour JP, Pioche M et al (2021) Outcomes of anterior versus posterior peroral endoscopic myotomy 2 years post-procedure: prospective follow-up results from a randomized clinical trial. Endoscopy 53:462–468

Article  PubMed  Google Scholar 

Ponds FA, Fockens P, Lei A et al (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 322:134–144

Article  PubMed  PubMed Central  Google Scholar 

Inoue H, Tianle KM, Ikeda H et al (2011) Peroral endoscopic myotomy for esophageal achalasia: technique, indication, and outcomes. Thorac Surg Clin 21:519–525

Article  PubMed  Google Scholar 

Duan T, Tan Y, Zhou J et al (2017) A Retrospective study of peroral endoscopic full-thickness myotomy in patients with severe achalasia. J Laparoendosc Adv Surg Tech A 27:770–776

Article  PubMed  Google Scholar 

von Renteln D, Inoue H, Minami H et al (2012) Peroral endoscopic myotomy for the treatment of achalasia: a prospective single center study. Am J Gastroenterol 107:411–417

Article  Google Scholar 

Nabi Z, Reddy DN, Ramchandani M (2018) Adverse events during and after per-oral endoscopic myotomy: prevention, diagnosis, and management. Gastrointest Endosc 87(1):4–17

Article  PubMed  Google Scholar 

Haito-Chavez Y, Inoue H, Beard KW et al (2017) Comprehensive analysis of adverse events associated with per oral endoscopic myotomy in 1826 patients: an international multicenter study. Am J Gastroenterol 112(8):1267–1276

Article  PubMed  Google Scholar 

Stavropoulos SN, Modayil RJ, Friedel D, Savides T (2013) The international per oral endoscopic myotomy survey (IPOEMS): a snapshot of the global POEM experience. Surg Endosc 27(9):3322–3338

Article  PubMed  Google Scholar 

Li QL, Chen WF, Zhou PH et al (2013) Peroral endoscopic myotomy for the treatment of achalasia: a clinical comparative study of endoscopic full-thickness and circular muscle myotomy. J Am Coll Surg 217(3):442–451

Article  PubMed  Google Scholar 

Liu W, Zeng XH, Yuan XL et al (2019) Open peroral endoscopic myotomy for the treatment of achalasia: a case series of 82 cases. Dis Esophagus 32(10):1–7

Article  PubMed  Google Scholar