{"id":37437,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/incorporacion-de-los-grandes-injertos-oseos-craneales-intercalados-comparacion-entre-autoinjertos-frescos-y-aloinjertos-criopreservados\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"incorporacion-de-los-grandes-injertos-oseos-craneales-intercalados-comparacion-entre-autoinjertos-frescos-y-aloinjertos-criopreservados","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-medicas\/incorporacion-de-los-grandes-injertos-oseos-craneales-intercalados-comparacion-entre-autoinjertos-frescos-y-aloinjertos-criopreservados\/","title":{"rendered":"Incorporacion de los grandes injertos oseos craneales intercalados: comparacion entre autoinjertos frescos y aloinjertos criopreservados."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Elejabeitia Gonzalez <\/strong><\/h2>\n<p>La reparaci\u00f3n de los grandes defectos \u00f3seos craneales es un reto para el cirujano craneofacial. Actualmente la reparaci\u00f3n se realiza mediante el uso de autoinjertos frescos o mediante materiales sint\u00e9ticos. Las complicaciones de los primeros derivan sobre todo de un aumento de la morbilidad del proceso y de una cantidad limitada. La segunda opci\u00f3n presenta los inconvenientes inherentes de los cuerpos extra\u00f1os. La reparaci\u00f3n ideal de estos defectos debe ser realizada con un material capaz de incorporarse totalmente, ser biol\u00f3gicamente activo, cumplir las funciones de protecci\u00f3n y contorno desde el momento de su implantaci\u00f3n, y cuya macro y microestructura sea lo m\u00e1s parecida a la zona a reconstruir. Los aloinjertos \u00f3seos criopreservados de calota craneal podr\u00edan cumplir todas estas caracter\u00edsticas obviando a su vez las complicaciones ligadas del uso de los autoinjertos frescos.  se plantea este estudio con dos grandes objetivos: 1.  comprobar la viabilidad de los aloinjertos \u00f3seos criopreservados en este tipo de reconstrucciones. 2.  realizar un estudio comparativo entre los anteriores y los autoinjertos frescos, considerados como t\u00e9cnica de elecci\u00f3n. Se realiza en el cordero una craneotom\u00eda de 4&#215;4 cm, de espesor total, lo que supone la pr\u00e1ctica totalidad de la b\u00f3veda craneal. En un grupo de animales se repone el fragmento de calota (autoinjertos frescos), mientras que en otro se repara el defecto con un aloinjerto de calota criopreservado a -80 grados cent\u00edgrados, por un per\u00f3do m\u00ednimo de 3 semanas. Se utilizan un total de 75 corderos que son valorados a los 3,6 y 12 meses. Para valorar la incorporaci\u00f3n radiol\u00f3gica as\u00ed como las funciones de protecci\u00f3n y contorno se realizaron estudios comparativos mediante radiolog\u00eda de contacto, tac bidimensional, reconstrucci\u00f3n mediante tac tridimensional y un exhaustivo estudio densitom\u00e9trico mediante tac cuantitativo. Estas valoraciones no depararon ninguna dife<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Incorporacion de los grandes injertos oseos craneales intercalados: comparacion entre autoinjertos frescos y aloinjertos criopreservados.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Incorporacion de los grandes injertos oseos craneales intercalados: comparacion entre autoinjertos frescos y aloinjertos criopreservados. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Elejabeitia Gonzalez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Navarra<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Vicente Paloma Mora<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Gonzalo Sanz  Luis Mar\u00eda <\/li>\n<li>C\u00e9sar Casado P\u00e9rez (vocal)<\/li>\n<li>Francisco Forriol Campos (vocal)<\/li>\n<li>Alfonso Abascal Zuloaga (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Elejabeitia Gonzalez La reparaci\u00f3n de los grandes defectos \u00f3seos craneales es un reto para el cirujano 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