Research Article

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

Table 3

Microscopic thickness of fibrous capsule (mean ± standard error) formed around the implants, degree of inflammation and main inflammatory cells observed at the end of study, as well as () statistical significance of the findings.

Microscopic findings after medialization of vocal cords with different implants
Study groups
LGPBP
()
PTFE
()
PET
()
TF
()
value

Thickness of fibrous capsule in mm
mean ± standard error
0.03117 ± 0.00510 mm0.04461 ± 0.01505 mm0.06337 ± 0.01545 mm0.15088 ± 0.03396 mm0.001
ANOVA, Tukey
Degree of inflammation18 mild6 mild6 mild6 severe0.001
Kruskal-Wallis
Neutrophil infiltration00030.001
Kruskal-Wallis
Eosinophilic infiltration06 mild6 mild6 severe0.05
Kruskal-Wallis

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