Two-Person Technique of Peroral Endoscopic Myotomy for Achalasia with an Advanced Endoscopist and a Thoracic Surgeon: Initial Experience

Table 1

Pre-POEM characteristics.

Factor		Summary
Achalasia types	20
(i) Type 1		9 (45)
(ii) Type 2		10 (50)
(iii) Type 3		1 (10)
Basal LES pressure (mmHg)	14	35.9 ± 20.4
LES residual pressure (mmHg)	18	23.6 ± 10.4
Barium esophagogram findings
Column height at 1 min (cm)	18	7.5 ± 5.4
Column width at 1 min (cm)	18	3.6 ± 2.4
Volume remaining at 1 min (cc)	18	59.1 [25.1, 127.2]
Column height at 5 min (cm)	18	6.3 ± 5.5
Column width at 5 min (cm)	18	2.8 ± 1.7
Volume remaining at 5 min (cc)	18	48.9 [21.3, 88.3]
Maximal esophageal width (cm)	16	3.8 ± 2.3
Duration of achalasia symptoms (years)	20	3.0 [1.8, 6.0]
Eckardt dysphagia score	19	2.3 ± 0.82
Eckardt chest pain score	19	1.00 ± 1.00
Eckardt regurgitation score	19	1.8 ± 0.76
Eckardt weight loss score	19	1.5 ± 1.2
Total Eckardt score	19	6.7 ± 2.5
Eckardt staging	19
(i) Stage 1		3 (15.8)
(ii) Stage 2		6 (31.6)
(iii) Stage 3		10 (52.6)
Prior treatments
None	20	6 (30.0)
Botulinum toxin	20	4 (20.0)
Pneumatic dilation	20	8 (40.0)
Heller myotomy	20	6 (30.0)
Number of prior treatments	19
(i) 0		6 (31.6)
(ii) 1		8 (42.1)
(iii) 3		3 (15.8)
(iv) 4		1 (5.3)
(v) 8		1 (5.3)

Values presented as mean ± SD, median [P25, P75], or (column%).