Table 2.
Endoscopic Submucosal Dissection Procedural Characteristics
| Characteristics | All sites (n = 692) |
Esophagus (n = 181) |
Stomach (n = 101) |
Duodenum (n = 11) |
Colon (n = 211) |
Rectum (n = 188) |
|---|---|---|---|---|---|---|
| Resected specimen size, mm, median (IQR) | 45 (33.5–60) | 45 (35–57.3) | 39 (30–50) | 30 (19.8–38.8) | 50 (30–60) | 46 (24–60) |
|
| ||||||
| Submucosal fibrosis, n (%) | 323 (46.7) | 70 (38.7) | 48 (47.5) | 3 (27.3) | 120 (56.9) | 93 (49.7) |
| Mild | 100 (31) | 27 (38.6) | 20 (41.8) | 0 (0) | 35 (29.2) | 28 (30.1) |
| Moderate | 81 (25) | 17 (24.3) | 14 (29.1) | 2 (66.7) | 26 (21.7) | 22 (23.7) |
| Severe | 142 (44) | 26 (37.1) | 14 (29.1) | 1 (33.3) | 59 (49.1) | 43 (46.2) |
|
| ||||||
| Procedure time, min, range | 77.5 (15–553) | 75 (20–318) | 70 (22–315) | 71.5 (38–309) | 80 (18–553) | 80 (15–480) |
|
| ||||||
| Type of submucosal lifting solution, n (%) | ||||||
| Voluven (Fresenius Kabi Norge A.S.) | 409 (59.1) | 98 (54.2) | 51 (50.5) | 7 (63.7) | 131 (62.1) | 121 (64.7) |
| Orise (Boston Scientific) | 36 (5.2) | 12 (6.6) | 8 (7.9) | 1 (9.1) | 6 (2.8) | 7 (3.7) |
| Eleview (Medtronic) | 19 (2.7) | 8 (4.4) | 4 (4) | 0 | 3 (1.4) | 3 (1.6) |
| Gonak (Akorn) | 11 (1.6) | 6 (3.3) | 4 (4) | 0 | 0 | 1 (0.5) |
| Hespan (Braun Medical) | 19 (2.7) | 8 (4.4) | 4 (4) | 2 (18.2) | 0 | 3 (1.6) |
| Normal saline | 112 (16.2) | 27 (14.9) | 21 (20.8) | 1 (9.0) | 44 (20.9) | 19 (10.2) |
| Combination of saline and viscous solution | 86 (12.5) | 22 (12.2) | 9 (8.9) | 0 | 27 (12.8) | 33 (17.6) |
|
| ||||||
| Type of ESD electrocautery knife, n (%) | ||||||
| Dual knife (Olympus America) | 476 (68.8) | 126 (69.6) | 72 (71.3) | 7 (63.6) | 145 (68.7) | 125 (66.8) |
| IT knife (Olympus America) | 214 (30.9) | 90 (49.7) | 56 (55.4) | 1 (9.0) | 13 (6.2) | 53 (28.3) |
| Hybrid knife (ERBE) | 179 (25.9) | 44 (24.3) | 30 (29.7) | 1 (9.0) | 53 (25.1) | 51 (27.3) |
| Combination/other | 129 (18.6) | 27 (14.9) | 13 (12.9) | 9 (81.8) | 46 (21.8) | 61 (32.6) |
|
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| Endoscopic retraction with clip/string/snare, n (%) | 53 (7.7) | 10 (5.5) | 13 (12.8) | 1 (9) | 23 (10.9) | 6 (3.2) |
|
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| Elective closure, n (%) | 169 (24.4) | 14 (7.7) | 31 (30.7) | 8 (72.7) | 72 (34.1) | 45 (24.1) |
| Standard clips | 101 (59.8) | 12 (85.7) | 8 (25.8) | 1 (9.3) | 64 (88.9) | 16 (35.6) |
| Endoscopic suturing | 68 (40.2) | 2 (14.3) | 23 (74.2) | 7 (90.7) | 8 (11.1) | 29 (64.4) |
|
| ||||||
| Outpatient setting, n (%) | 463 (66.9) | 107 (59.1) | 67 (66.3) | 9 (81.8) | 150 (71.1) | 130 (69.5) |
|
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| Hospital length of stay, d, mean ± SD | 1.33 ± 0.89 | 1.24 ± 0.63 | 1.57 ± 1.16 | 1 | 1.47 ± 1.1 | 1.13 ± 0.44 |