Published online Aug 16, 2013. doi: 10.4253/wjge.v5.i8.379
Revised: March 19, 2013
Accepted: May 8, 2013
Published online: August 16, 2013
Core tip: Upper gastrointestinal-endoscopy is an important part in the diagnostic algorithm of achalasia. Although it does not have a high sensitivity in detection of early stage achalasia, it is essential to rule out pseudoachalasia. This updated review included the newest data on treatment and surveillance of achalasia patients with special emphasis on the new treatment option of per oral endoscopic myotomy, including all fulltext publications until January, 2013.