Extracellular matrices for gastrointestinal surgery: Ex vivo testing and current applications

Table 3 Mechanical resistance of the biomaterials after incubation in phosphate buffered saline, bile or pancreatic juice (mean ± SE)

	PBS		Bile		Pancreatic juice
	24 h	14 d	24 h	14 d	24 h	14 d
SIS 4-layer	31.40 ± 4.3	26.03 ± 3.2	13.70 ± 0.9	4.01 ± 0.3	30.20 ± 1.0	14.27 ± 0.6
SIS 1-layer	4.56 ± 1.2	3.42 ± 0.4	3.60 ± 1.6	1.96 ± 0.2	2.56 ± 0.4	2.59 ± 0.4
PDM	1.05 ± 0.2	0.74 ± 0.1	0.81 ± 0.1	Dissolved	0.97 ± 0.1	Dissolved
PPM	19.03 ± 2.9	13.8 ± 4.9	10.45 ± 1.4	2.08 ± 0.6	21.95 ± 7.2	5.23 ± 1.3
BPM	27.13 ± 7.3	31.07 ± 5.2	10.34 ± 1.3	1.48 ± 0.3	30.07 ± 2.2	7.89 ± 1.8

Experiments were carried out in triplicate. PBS: Phosphate buffered saline; SIS: Small-intestinal submucosa; PDM: Porcine dermal matrix; PPM: Porcine pericardial matrix; BPM: Bovine pericardial matrix.