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Vol. 24. Issue 5.
Pages 206-208 (September - October 1988)
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Vol. 24. Issue 5.
Pages 206-208 (September - October 1988)
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Cuantificacion del calcio producido por autoinjertos periosticos libres en la reparacion de defectos traqueales. Estudio esperimental
Quantification of calcium produced by free periostal autografts in repairing tracheal defects. Experimental study
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R. Guijarro Jorge, A. Sánchez-Palencia Ramos, A. Cueto Ladrón de Guevara, F. Martí Huedó
Unidad de Cirugía Torácica. Hospital Regional Virgen de las Nieves. Granada
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De entre todas las procedencias hísticas de injertos usados en cirugía torácica para solventar pérdidas de substancias traqueales tras la cirugía de tumores que la invadan o por traumatismo, es sin duda el periostio el más utilizado.

Se presenta un estudio experimental en 30 ratas Wistar, en las que se ha usado periostio proveniente de localizaciones de osificación endocondral (tibia) y membranosa (calota) que son utilizados con diversa orientación con respecto al lumen traqueal.

Por medio de un método fotocolorimétrico se cuantifica la cantidad de calcio producido por los mismos, concluyendo que los injertos procedentes de tibia producen de 5-6 veees más hueso que los de calota y que, por tanto, los primeros son más idóneos para ser utilizados en cirugía traqueal porque producen una estabilización más intensa y precoz de la zona injertada.

With no doubt, periosteum is the tissue employed in most instances to repair loss of substance of the trachea due to invading tumors or traumatisms.

Whe have carried out an experimental study in 30 Wistar rats, in which we have employed periosteum from endochondral ossification (tibia) and intramembranous (calvaria) ossification, that have been used with different orientation whith respect to the tracheal lumen.

Whe have quantified the amount of produced calcium by means of photocolorimetric method. We conclude that grafts from tibia produce an amount of bone 5-6 fold greater than grafts from calvarium, therefore, the former are more adequate to be employed in tracheal surgery, provided that they produce a more marked and early stabilization in the grafted zone.

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Copyright © 1988. Sociedad Española de Neumología y Cirugía Torácica
Archivos de Bronconeumología
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