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Biocompatibility of Ricinus comunnis polymer compared to titanium implant used in artificial hearts. Experimental study in guinea pigs.

Revista brasileira de cirurgia cardiovascular : orgao oficial da Sociedade Brasileira de Cirurgia Cardiovascular (2013-01-05)
Luiz Fernando Kubrusly, Yorgos Luiz Santos de Salles Graça, Enéas Eduardo Sucharski, Ana Cristina Lira Sobral, Marcia Olandoski, Fernando Bermudez Kubrusly
ABSTRACT

The aim of the present investigation is to determine if the tissue reaction to the Riccinus communis (mamona) polymer has significant statistical difference compared to the tissue reaction provoked by the titanium implant. Thirty two Cavia porcellus were divided into four groups containing eight animals each one. We implanted the two types of materials in the retroperitoneal space of all the animals. They were sacrificed at 7, 20, 30 and 40 days after surgery and the samples were submitted to histological study. The quantitative analysis did not show difference between the tissue reaction of the two materials (P>0.05). The analysis of the qualitative variable also did not show difference between the tissue reaction of the materials (P>0.05). Macroscopic and microscopic results showed that the castor oil polymer implant has no significant statistical difference compared to the titanium implant tissue reaction.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Castor oil
Sigma-Aldrich
Castor oil, meets testing specifications per USP
Sigma-Aldrich
Castor oil, tested according to Ph. Eur.