Analysis of colonoscopic perforations at a local clinic and a tertiary hospital

Table 2 The cases with iatrogenic perforation at the Shirakawa Clinic

Case	Age	Gender	Procedure	Site of perforation	Disease	Discovery of perforation	Abdominal pain	Peritonitis sign	Extrabowel gasses	Treatment	Max body temperature (°C)	CRP (mg/dL)	Cessation of food intake (d)	Intravenous antibiotics treatment (d)	Total hospital stay (d)
1	71	F	EMR	Ascending	Adenocarcinoma	Just after procedure	+	No	Free air	Conservative (with clipping)	36.9	4.4	1	6	7
2	57	M	ESD	Ascending	Adenocarcinoma	During	-	No	Free air	Conservative (with clipping)	36.8	0.9	1	4	9
3	69	F	ESD	Caecum	Adenoma	During	-	No	PP1	Conservative (with clipping)	37.5	3.8	2	8	13
4	66	M	ESD	Rectm (Rb)	Adenoma	Just after procedure	-	No	PP	Conservative (without clipping)	37.9	17.9	1	6	12
5	80	M	ESD	Caecum	Adenoma	Just after procedure	-	No	Free air	Conservative (without clipping)	37.0	4.2	2	6	10
6	68	M	Polypectomy	Transverse	Adenoma	1 d after procedure	+	Located	Free air	Conservative (without clipping)	36.9	11	4	7	10
7	64	M	EMR	Ascending	Adenocarcinoma	2 d after procedure	+	Located	Free air	Conservative (without clipping)	36.9	5.5	4	6	11
8	64	F	ESD	Ascending	Adenocarcinoma	During	+	Located	Free air	Conservative (with clipping)	37.2	2.4	3	5	11

¹Pneumoretroperitoneum. EMR: Endoscopic mucosal resection; ESD: Endoscopic submucosal dissection; CRP: C-reactive protein; M: Male; F: Female.