Comparison of Lyophilized Glutaraldehyde-Preserved Bovine Pericardium with Different Vascular Prostheses for Use as Vocal Cords Implants: Experimental Study

Table 2

Endoscopic changes of VC after medialization and () statistical significance of the findings.

Endoscopic findings after medialization of vocal cords with different implants
	Study groups
	LGPBP; ()	PTFE; ()	PET; ()	TF; ()	value
Motility of VC during all study time	18	6	6	6
Volume maintenance and position of VC with respect to the glottic after medialization	18	6	6	0	0.001; Kruskal-Wallis
Degree of inflammation and edema of the VC during the first postoperative week	18 mild	6 moderate	6 moderate	6 severe	0.001; Kruskal-Wallis
Disappearance of inflammation	2 weeks after surgery	2 weeks after surgery	2 weeks after surgery	4 weeks after surgery
Extrusion of the implant	0	0	0	3	0.005, Kruskal-Wallis

Lyophilized glutaraldehyde-preserved bovine pericardium (LGPBP), polytetrafluoroethylene (PTFE), polyethylene terephthalate (PET), and Teflon felt (TF).