Complications of continuous intraperitoneal insulin infusion with an implantable pump

Table 2 Complications of continuous intraperitoneal insulin infusion during follow-up

	All patients		Implantation date
	2000-2011 (n = 56)		2000-2007 (n = 37)		2007-2011 (n = 19)
	n (%)	Per 100 PY	n (%)	Per 100 PY	n (%)	Per 100 PY
Haematoma	3 (4.3)	1.1	2 (3.8)	0.9	1 (5.9)	1.8
Infection	7 (10.0)	2.5	4 (7.5)	1.8	3 (17.6)	5.3
Pain	11 (15.7)	3.9	8 (15.1)	3.5	3 (17.6)	5.3
Cutaneous erosion	2 (2.9)	0.7	2 (3.8)	0.9	0 (0.0)	0.0
Dislocation	3 (4.3)	1.1	2 (3.8)	0.9	1 (5.9)	1.8
Hardware failure	0 (0.0)	0.0	0 (0.0)	0.0	0 (0.0)	0.0
Premature battery end of life	0 (0.0)	0.0	0 (0.0)	0.0	0 (0.0)	0.0
Insulin aggregate	4 (5.7)	1.4	4 (7.5)	1.8	0 (0.0)	0.0
Catheter occlusion	23 (32.9)	8.1	16 (30.2)	7.1	7 (41.2)	12.3
Encapsulation of the catheter tip	3 (4.3)	1.1	3 (5.7)	1.3	0 (0.0)	0.0
Peritonitis	1 (1.4)	0.4	1 (1.9)	0.4	0 (0.0)	0.0
Pump dysfunction	12 (17.1)	4.2	111 (20.8)	4.9	11 (5.9)	1.8
Other	1 (1.4)	0.4	0 (0.0)	0.0	1 (5.9)	1.8
All	70 (100.0)	24.8	53 (100.0)	23.5	17 (100.0)	29.9

¹P = 0.04. PY: Patient years.