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Efficacy and safety of peroral endoscopic myotomy in the management of recurrent achalasia after failed Heller myotomy: a systematic review and meta-analysis

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Ελληνική Γαστροεντερολογική Εταιρία   

Αποθετήριο :
Annals of Gastroenterology   

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Efficacy and safety of peroral endoscopic myotomy in the management of recurrent achalasia after failed Heller myotomy: a systematic review and meta-analysis (EN)
Marella, Hemnishil K.
Howden, Colin W.
Sharaiha, Reem Z.
McDonough, Stephanie
Tariq, Raseen
Adler, Douglas G.
Sharma, Sachit
Heda, Rajiv P.
Kamal, Faisal
Lee-Smith, Wade
Khan, Zubair
Tombazzi, Claudio
Ismail, Mohammad K.
Khan, Muhammad A.
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2021-03-05
Background Heller myotomy (HM) is an established treatment for achalasia but can fail in up to 10-20% of patients. Peroral endoscopic myotomy (POEM) may be an appropriate treatment for patients with failed HM. Methods We searched several databases to identify non-comparative studies evaluating the efficacy and/or safety of POEM after failed HM and comparative studies comparing the efficacy and/or safety of POEM in patients with and without prior HM. Outcomes assessed included clinical success, technical success, adverse events, post-treatment gastroesophageal reflux disease (GERD), and presence of esophagitis on endoscopy. We calculated weighted pooled rates with 95% confidence intervals (CI) for all outcomes in patients undergoing POEM with prior HM. We calculated pooled odds ratios with 95%CI to compare the outcomes between patients with and without previous HM who underwent POEM. Results We included 11 observational studies with 1205 patients. Weighted pooled rates (95%CI) for overall clinical success and technical success in patients with failed HM were 87% (81-91%) and 97% (94-99%), respectively. Weighted pooled rates (95%CI) for major adverse events, new-onset GERD and presence of esophagitis on endoscopy were 5% (2-10%), 33% (26-41%), and 38% (22-58%), respectively. There were no differences in clinical success, adverse events, post-treatment GERD and esophagitis between patients with and without previous HM. Conclusions POEM is safe and effective in patients with failed HM and should be considered in patients with recurrent achalasia after HM. Outcomes of POEM are comparable in patients with and without prior HM. Keywords Heller myotomy, efficacy, peroral endoscopic myotomy, meta-analysis Ann Gastroenterol 2021; 34 (2): 155-163 (EN)
Αγγλική γλώσσα
Hellenic Society of Gastroenterology (EN)
1792-7463
1108-7471
Annals of Gastroenterology; Volume 34, No 2 (2021); 155 (EN)
Copyright (c) 2021 Annals of Gastroenterology (EN)
Ελληνική Γαστροεντερολογική Εταιρία
Annals of Gastroenterology
Original Articles



*Η εύρυθμη και αδιάλειπτη λειτουργία των διαδικτυακών διευθύνσεων των συλλογών (ψηφιακό αρχείο, καρτέλα τεκμηρίου στο αποθετήριο) είναι αποκλειστική ευθύνη των αντίστοιχων Φορέων περιεχομένου.