In pneumatic dilatation for the treatment of achalasia, the cylindrical balloon dilator is dilated upto:
Correct Answer: 3-4 cm
Description: The only effective therapies for achalasia are pneumatic dilatation and Heller myotomy. Pneumatic dilatation - Efficacy is 32-98%, The cylindrical balloon dilator is positioned across the LES and inflated to a diameter of 3-4 cm. The major complication is perforation Also note: The most common surgical procedure for achalasia is laparoscopic Heller myotomy, usually performed with an antireflux procedure (paial fundoplication). Ref: Harrison, Edition-18, Page-2432
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