Effect of Esophageal Endoscopic Submucosal Dissection on Motility and Symptoms: A Prospective Study
Table 1
Baseline characteristics of patients with early esophageal cancers.
Characteristics
All patients (: 28)
Group A (: 17)
Group B (: 11)
value
Sex (males : females)
23 : 5
15 : 2
8 : 3
0.35
Age in years, median (range)
69.5 (52–80)
70.0 (56–80)
67.0 (52–80)
0.71
Morphology
0.92
Protruded (0-I)
0
0
0
Flat (0-II b, 0-IIb + IIa)
20 (19, 1) (57.1%)
11 (10, 1) (57.9%)
9 (9, 0) (56.3%)
Depressed (0-IIc)
15 (42.9%)
8 (42.1%)
7 (43.7%)
Location
0.23
Ut: 2 (5.7%),
Ut: 2 (10.5%)
Ut: 0
Mt: 30 (85.7%)
Mt: 15 (79.0%)
Mt: 15 (93.8%)
Lt: 3 (8.6%)
Lt: 2 (10.5%)
Lt: 1 (6.2%)
Tumor size in mm, median (range)
17 (3–42)
11 (3–40)
25 (12–42)
0.02
Specimen size in mm, median (range)
32 (13–65)
26 (13–50)
39 (30–65)
<0.001
DCI (mmHg·cm·s)
1978 ± 1385
2333 ± 1457
1462 ± 1144
0.11
Ut: upper thoracic, Mt: middle thoracic, Lt: lower thoracic, ESD: endoscopic submucosal dissection, DCI: distal contractile integral. Group A: patients with circumferential resection of less than 2/3. Group B: patients with circumferential resection of 2/3 or greater.
