Table 1.
Details of patients with colonoscopic perforation (CP)
| Age, Sex | Endoscopic procedure | Endoscopist | Perforated site | Possible mechanism of CP |
|---|---|---|---|---|
| 77 M* | D (FS) | Staff | Sigmoid colon | SHAFT |
| 76 F | D | Staff | Sigmoid colon | SHAFT |
| 88 M* | D | Staff | Sigmoid colon | SHAFT |
| 76 F* | D | Trainee | Sigmoid colon | SHAFT |
| 34 M* | D | Trainee | Transverse colon | SHAFT |
| 64 F* | D | Staff | Sigmoid colon | TIP |
| 81 M | D | Trainee | Sigmoid colon | TIP |
| 79 M | D | Trainee | Sigmoid colon | Accidental entry to a large diverticulum |
| 27 F | T (hot biopsy) | Trainee | Sigmoid colon | SHAFT |
| 46 M* | T (hot biopsy) | Staff | Sigmoid colon | TIP |
| 64 M* | T (hot biopsy) | Staff | Sigmoid colon | TIP |
| 79 F* | T (cold biopsy) | Staff | Transverse colon | TIP |
| 37 F* | T (snare polypectomy) | Trainee | Sigmoid colon | Transmural biopsy |
| 53 F* | T (snare polypectomy) | Staff | Sigmoid colon | Transmural biopsy |
| 59 F | T (pneumatic dilatation of benign stricture) | Staff | Stricture site | Over-stretching of the benign stricture |
* Previously reported in Lohsiriwat et al. [3]
Note: One perforation occurred during flexible sigmoidoscopy (FS).
Abbreviation: D = Diagnostic endoscopy, T = Therapeutic endoscopy, TIP = mechanical trauma from the tip of scope, SHAFT = mechanical trauma from the shaft of scope