Imaging in the Evaluation of Endoscopic or Surgical Treatment for Achalasia

Table 1

Table shows the variation of esophageal diameter and the height of barium column before and after surgical or endoscopic treatment at 0, 1, 2, and 5 minutes after barium administration.

	Surgery			Endoscopy
	Myotomy			Pneumatic dilation
	11 patients			8 patients
	Before	After	Δ	Before	After	Δ
Esophagus diameter (cm)	5.20	3.10	–2.10	4.80	6.54	+1.74
Column baryta height
0′	23.95	11.9	–12.05	26.50	14.66	–11.89
1′	21.30	7.31	–14.00	25.85	12.61	–13.24
2′	19.64	4.84	–14.79	24.42	11.56	–12.86
5′	16.69	3.75	–12.94	23.06	8.61	–14.45