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de Moura et al. PBD and POEM in dilated megaesophagus

DECLARATIONS Fisichella PM, Way LW, Patti MG. The outcome of laparoscopic
Heller myotomy for achalasia is not influenced by the degree of
esophageal dilatation. J Gastrointest Surg 2008;12:159-65.
Authors’ contributions 10. Patti MG, Feo CV, Diener U, Tamburini A, Arcerito M, Safadi B, Way
Literature review: E.T.H. de Moura LW. Laparoscopic Heller myotomy relieves dysphagia in achalasia
Wrote, revised and approved the manuscript and the when the esophagus is dilated. Surg Endosc 1999;13:843-7.
final version: E.T.H. de Moura, E.G.H. de Moura 11. Crema E, Cruvinel LA, Werneck AM, de Oliveira RM, Silva AA.
Manometric and radiologic aspects of Chagas' megaesophagus:
Financial support and sponsorship the importance to its surgical treatment. Rev Soc Bras Med Trop
2003;36:665-9. (in Portuguese)
None. 12. Eckardt VF, Aignherr C, Bernhard G. Predictors of outcome in patients
with achalasia treated by pneumatic dilation. Gastroenterology
Conflicts of interest 1992;103:1732-8.
There are no conflicts of interest. 13. Gould D. Information point: visual analogue scale (VAS). Available
from: http://www.blackwellpublishing.com/specialarticles/jcn_10_706.
pdf. [Last accessed on 25 Oct 2017]
Patient consent 14. 36-Item short form survey instrument (SF-36). Available from: https://
Not applicable. www.rand.org/health/surveys_tools/mos/36-item-short-form/survey-
instrument.html. [Last accessed on 25 Oct 2017]
Ethics approval 15. Van Hoeij FB, Tack JF, Pandolfino JE, Sternbach JM, Roman S, Smout
AJ, Bredenoord AJ. Complications of botulinum toxin injections for
Not applicable. treatment of esophageal motility disorders. Dis Esophagus 2017;30:1-5.
16. Arora Z, Thota PN, Sanaka MR. Achalasia: current therapeutic
options. Ther Adv Chronic Dis 2017;8:101-8.
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