Table 4.
Comparison of Clinical Backgrounds and Success Rate of Approach Route.
| Success rate, % (n/N) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TE | TG | TDL | TDS | TJ | ||||||||
| N=11 | N=16 | N=7 | N=4 | N=4 | p value† | |||||||
| Clinical backgrounds | ||||||||||||
| Malignant/Benign | 100.0 | 66.7 | 72.7 | 80.0 | 60.0 | 50.0 | 66.7 | 100.0 | - | 100.0 | ||
| (8/8) | (2/3) | (8/11) | (4/5) | (3/5) | (1/2) | (2/3) | (1/1) | (0/0) | (4/4) | |||
| Non altered/Altered | 87.5 | 100.0 | 66.6 | 100.0 | 57.1 | - | 100.0 | 50.0 | - | 100.0 | ||
| (7/8) | (3/3) | (6/9) | (6/6) | (4/7) | (0/0) | (2/2) | (1/2) | (0/0) | (4/4) | |||
| Ampulla/Anastomosis | 90.0 | 100.0 | 69.2 | 100.0 | 57.1 | - | 75.5 | - | 100.0 | - | ||
| (9/10) | (1/1) | (9/13) | (3/3) | (4/7) | (0/0) | (3/4) | (0/0) | (4/4) | (0/0) | |||
| Obstruction side EHBD/ IHBD | 100.0 | 75.0 | 70.0 | 83.3 | 100.0 | 40.0 | 66.6 | 100.0 | 100.0 | - | ||
| (7/7) | (3/4) | (7/10) | (5/6) | (2/2) | (2/5) | (2/3) | (1/1) | (4/4) | (0/0) | |||
| Over all technical success rate | 90.9(10/11) | 75.0(12/16) | 57.1(4/7) | 75.0(3/4) | 100.0(4/4) | 0.377 | ||||||
†Chi-square test.
TE: transesophageal route, TG: transgastric route, TDL: transduodenal route long position, TDS: transduodenal route short position, TJ: transjejunum route