Results of pneumatic dilation in treating achalasia: predictive factors

Annals of the New York Academy of Sciences
Valter Nilton Felix

Abstract

Forced pneumatic dilatation (PD) of the cardia is one of the most consecrated therapeutic measures for esophageal achalasia. The procedure only achieved better standardization with the appearance of the Rigiflex balloon. Results and predictive factors of success and failure of PD are reviewed, right after the description of the main technical aspects of the procedure. The success rates, providing control of dysphagia for about 1 year from the procedure using the Rigiflex balloon, are quite satisfactory, with success in more than 75% of patients. It is generally observed that good responses sustained for more than 5 years appear in at least 40% of cases. However, approximately half of the patients submitted to PD require additional dilation and a subgroup of them will undergo surgical treatment to attain adequate control of dysphagia. PD is a method with a low rate of acute complications, with esophageal perforation, the most severe of them, not affecting more than 5% of the cases. The best results could be potentially obtained when predictive factors of success were considered before choosing PD as a therapeutic option, but prospective studies in this field are missing until now.

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Citations

Mar 15, 2019·The Korean Journal of Internal Medicine·Lee L Swanström
Jul 28, 2020·Annals of the New York Academy of Sciences·Valter N FelixMoo In Park
Jun 23, 2019·Esophagus : Official Journal of the Japan Esophageal Society·Yoshimasa HoshikawaKatsuhiko Iwakiri

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