Loading…

MODIFICATION OF THE SPINOPELVIC PARAMETERS WITH SURGICAL POSITIONING AND THE ROLE OF THE HIP

ABSTRACT Post-operative lumbar pain is related to alterations in the sagittal and spinopelvic parameters. A lumbar fusion that fails to maintain, or that worsens the physiological lordosis alters the sagittal balance. Objective: To analyze spinopelvic variation in different surgical positions. Metho...

Full description

Saved in:
Bibliographic Details
Published in:Coluna 2019-12, Vol.18 (4), p.283-288
Main Authors: David, Orosco, Nicolás, Ortiz Pablo, Mauro, Cristiani, Gerardo, Aguirre, Cristian, Robles, Joint, Guimbard
Format: Article
Language:English
Subjects:
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:ABSTRACT Post-operative lumbar pain is related to alterations in the sagittal and spinopelvic parameters. A lumbar fusion that fails to maintain, or that worsens the physiological lordosis alters the sagittal balance. Objective: To analyze spinopelvic variation in different surgical positions. Methods: A prospective, analytical and comparative study of spinograms, lumbosacral radiographs in the surgical position over a 4-pole quadratus lumborum, and lumbosacral radiographs with quadratus lumborum and support in the knees. A sample of 129 patients, of both sexes, aged between 18 and 60 years, and presenting with lower back pain. Lumbar Lordosis (LL), Pelvic Tilt (PT), Pelvic Incidence (PI) and Sacral Slope (SS) were measured. Results: PI was the most stable parameter. With quadratus lumborum, a slight increase in PT, a decrease in SS and a significant reduction in LL were found. With quadratus lumborum and support in the knees, a decrease in PT and a slight increase in SS were found, while the LL value remained similar to that of the spinogram. Conclusion: The intraoperative position with hip flexion of between 40° and 45° over quadratus lumborum reduced LL to 10.52° in men and 16.21° in women, increased PT, and decreased SS. The intraoperative position with hip flexion of between 0° and 10° showed the same values as the reference spinogram. Level of Evidence II; Prospective comparative study. RESUMEN El dolor lumbar postoperatorio está relacionado con alteraciones de los parámetros sagitales y espinopélvicos. Una fusión lumbar que no mantiene o empeora la lordosis fisiológica altera el balance sagital. Objetivo: Analizar la variación espinopélvica en diferentes posiciones quirúrgicas. Métodos: Estudio prospectivo, analítico, comparativo, de espinogramas, radiografías lumbosacras en posición quirúrgica sobre cuadrado lumbar de 4 postes y lumbosacra con cuadrado lumbar y soporte para las rodillas. Fue hecho un estudio con 129 pacientes, de ambos sexos, entre 18 y 60 años que presentaban dolor lumbar. Fueron medidas la lordosis lumbar (LL), la inclinación pélvica (PT), la incidencia pélvica (PI) y la inclinación sacral (SS). Resultados: La PI fue el parámetro más estable. Con el cuadrado lumbar, se observó pequeño aumento en la PT, una disminución en la SS y una reducción significativa en la LL. Con cuadrado lumbar y soporte para las rodillas hubo disminución en la PT y ligero aumento en la SS, mientras que el valor de la LL se mantuvo similar al valor del es
ISSN:1808-1851
2177-014X
2177-014X
DOI:10.1590/s1808-185120191804222783