Per-oral Endoscopic Myotomy (POEM) for Non-achalasia Disorders
Fig. 7.1 Type III achalasia: defined as elevated median IRP >15 mmHg, no normal peristalsis, and premature (spastic) contractions with a distal contractile integral (DCI) >450 mmHg.s.cm, and with ≥20% of swallows which…