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Revista Española de Cirugía Ortopédica y Traumatología
Article . 2017 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Deformidad sacra proximal: elemento común a la espondilolistesis ístmica lítica de L5 y a la degenerativa del segmento L4-L5, 2 entidades de etiopatogenia muy diferente, aparentemente

Authors: A. Gallego-Goyanes; D. Barahona-Lorenzo; M.A. Díez-Ulloa;

Deformidad sacra proximal: elemento común a la espondilolistesis ístmica lítica de L5 y a la degenerativa del segmento L4-L5, 2 entidades de etiopatogenia muy diferente, aparentemente

Abstract

Resumen Se realiza un estudio radiografico para investigar la relacion entre el alineamiento sagital de la anatomia sacra proximal (ASP) y la espondilolistesis, ya sea litica istmica o degenerativa. Por otra parte, se estudia si en el caso de la espondilolistesis istmica litica de L5 existe relacion entre el grado de la listesis y dicha ASP. Se revisaron las imagenes laterales del sacro (radiografias de columna lumbar en bipedestacion generalmente) de 173 pacientes, de los cuales 90 tenian una espondilolistesis degenerativa L4 y 83 una espondilolistesis istmica litica de L5 (67 de bajo grado y 16 de alto grado) y se compararon con un grupo control de 100 pacientes ajustado por edad y genero, sin ningun tipo de espondilolistesis. Se definio el grado listesis segun la clasificacion de Meyerding y el angulo de ASP, medido segun el metodo de Harrison, mediante el angulo entre las lineas tangentes a los muros posteriores de S1 y S2. En nuestra muestra existe una cifosis sacra proximal en ambos tipos de espondilolistesis, siendo mayor en la istmica litica, especialmente en las de alto grado. Por el contrario, el grupo control presentaba una lordosis sacra proximal. Las diferencias en la ASP fueron estadisticamente significativas entre controles y espondilolistesis, tanto istmica litica L5 como degenerativa L4, asi como entre ambos tipos de espondilolistesis y, entre las istmicas liticas, las de alto y bajo grado. Por lo tanto, se puede afirmar que en los pacientes de nuestro estudio la cifosis sacra proximal esta relacionada con espondilolistesis degenerativa y la istmica litica, sin poder discernir claramente si es una causa o una consecuencia de la misma.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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