What are the risk factors of colonoscopic perforation?

BMC Gastroenterology

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

ISSN: 1471-230X