Open Access
Int Arch Otorhinolaryngol 2013; 17(01): 062-065
DOI: 10.7162/S1809-97772013000100011
Original Article
Thieme Publicações Ltda Rio de Janeiro, Brazil

Comparison of fibrin adhesives prepared by 3 different methods

Authors

  • Juliana Benthien Cavichiolo

    1   Medical Resident in Otolaryngology, HC-UFPR (Hospital de Clínicas da Universidade Federal do Paraná).
  • Maurício Buschle

    2   MMSc. Physician Assistant, Department of Otolaryngology, Faculty of Medicine, UFPR; Associate Professor of Otolaryngology.
  • Bettina Carvalho

    3   Otolaryngologist by ABORLCCF.
Weitere Informationen

Publikationsverlauf

01. Mai 2011

25. Oktober 2012

Publikationsdatum:
06. Januar 2014 (online)

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Summary

Introduction: Fibrin tissue adhesive, which has applications in several areas of medicine, can be prepared by different methods.

Aim: To compare fibrin tissue adhesives prepared by 3 different methods.

Method: In this prospective experimental laboratory study, fibrin tissue adhesives prepared by the use of plasma fibrinogen (group 1), cryoprecipitation (group 2), and precipitation by ammonium sulfate (group 3) were tested on 15 rabbits and 10 fragments of dura mater. The quality of the clots was assessed in terms of the success of the healing process, local toxicity, graft adhesion capacity, and degree of adhesion of 2 fragments of dura mater produced.

Results: All methods produced a clot with high adhesion and no toxicity, but tensile strength testing revealed that the glue produced from the ammonium sulfate-precipitated clot (group 3) was the strongest, requiring 39 g/cm2 to separate the fragments as opposed to 23 g/cm2 for group 2 and 13 g/cm2 for group 1.

Conclusion: All methods produced good results as far as clot formation and non-toxicity, but ammonium sulfate precipitation produced the best tensile strength and was thus the most effective method of preparing fibrin tissue adhesive.