Two-Person Technique of Peroral Endoscopic Myotomy for Achalasia with an Advanced Endoscopist and a Thoracic Surgeon: Initial Experience
Table 3
Pre- versus post-POEM characteristics on 2-month follow-up.
Factor
Pre-POEM
Post-POEM
Pre-post difference
value
TBE findings
Column height at 1 min (cm)
11
7.5 ± 4.5
4.7 ± 4.3
3.1 ± 5.7
Column width at 1 min (cm)
11
3.2 ± 1.3
1.7 ± 1.6
1.5 ± 1.2
Volume remaining at 1 min (cc)
11
52.3 [25.1, 106.0]
17.7 [0.00, 49.2]
40.6 [0.81, 79.1]
Column height at 5 min (cm)
11
6.8 ± 4.9
2.3 ± 2.9
4.3 ± 6.0
Column width at 5 min (cm)
11
2.8 ± 1.4
0.99 ± 1.2
1.7 ± 1.2
Volume remaining at 5 min (cc)
11
47.1 [21.3, 76.9]
0.00 [0.00, 26.7]
24.5 [19.6, 52.1]
Maximal esophageal width (cm)
9
3.1 ± 1.2
2.1 ± 1.6
0.77 ± 0.74
HREM findings
Resting LES pressure (mmHg)
7
28.2 ± 14.1
12.8 ± 6.3
22.5 ± 14.4
Residual LES pressure (mmHg)
7
22.4 ± 11.3
6.3 ± 3.4
20.3 ± 9.2
Eckardt symptom scores
Eckardt dysphagia score
12
2.2 ± 0.94
0.08 ± 0.29
2.1 ± 1.00
Eckardt chest pain score
12
1.08 ± 1.2
0.17 ± 0.39
0.92 ± 1.2
Eckardt regurgitation score
12
2.0 ± 0.85
0.00 ± 0.00
2.0 ± 0.85
Eckardt weight loss score
12
1.2 ± 1.2
0.00 ± 0.00
1.2 ± 1.2
Eckardt total score
12
6.4 ± 2.9
0.25 ± 0.45
6.2 ± 2.9
GERD symptoms
11
0
4 (36.4)
24-hour pH study
10
Normal
5 (50)
Abnormal
5 (50)
Values presented as mean ± SD, median [P25, P75], or (column%). values: a: one-sample test for pre-post difference; b: Wilcoxon signed rank test for pre-post difference.
