Lumbar paraspinal muscle fats infiltration is independently related to intercourse, age, and inter-vertebral disc degeneration in symptomatic sufferers.
Skeletal Radiol. 2018 Jan 29;:
Authors: Urrutia J, Besa P, Lobos D, Campos M, Arrieta C, Andia M, Uribe S
PURPOSE: To find out the affiliation of paraspinal muscle mass and psoas relative cross-sectional space (RCSA) and fats sign fraction (FSF) with intercourse, age, and intervertebral disc degeneration (IDD) in symptomatic sufferers.
METHODS: We retrospectively evaluated 80 grownup sufferers with spinal signs utilizing T2-weighted magnetic resonance pictures. We decided RCSA and FSF of the paraspinal muscle mass (erector spinae and multifidus) and psoas from L1-L2 to L5-S1; we decided IDD utilizing the Pfirrmann classification. We in contrast variations in muscle RCSA and FSF primarily based on intercourse and IDD, and we correlated age and IDD with RCSA and FSF. Utilizing multivariate linear regression analyses, we decided the affect of intercourse, age, and IDD on RCSA and FSF.
RESULTS: Males exhibited bigger psoas RCSA however not bigger paraspinal muscle mass RCSA than girls. Girls had bigger FSF within the paraspinal muscle mass and psoas. Growing IDD was related to bigger FSF if ?2 Pfirrmann grades have been noticed. IDD correlated with FSF of the paraspinal muscle mass, and age correlated with FSF of the paraspinal muscle mass and psoas. IDD was much less constantly correlated with RCSA, however age correlated negatively with RCSA of all three muscle mass. Linear regression analyses demonstrated that intercourse, age, and IDD have been every independently related to FSF of the paraspinal muscle mass; moreover, intercourse and age, however not IDD, have been related to psoas FSF. RCSA was much less constantly influenced by these three variables.
CONCLUSIONS: Intercourse, age, and IDD are independently related to paraspinal muscle mass FSF; solely intercourse and age affect psoas FSF.
PMID: 29379999 [PubMed – as supplied by publisher]