Achalasia is a rare esophageal motility disorder that causes difficulty swallowing due to failure of peristalsis and inability to relax the lower esophageal sphincter. Botulinum toxin injection is a treatment option for achalasia that relaxes the lower esophageal sphincter, allowing improved emptying of the esophagus. This chapter describes each endoscopic botulinum toxin injection step with representative images.

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Endoscopic Botulinum Toxin Injection

  • Daniel Ludi,
  • Anna M. Lipowska

摘要

Achalasia is a rare esophageal motility disorder that causes difficulty swallowing due to failure of peristalsis and inability to relax the lower esophageal sphincter. Botulinum toxin injection is a treatment option for achalasia that relaxes the lower esophageal sphincter, allowing improved emptying of the esophagus. This chapter describes each endoscopic botulinum toxin injection step with representative images.