Lumbar Retrolisthesis in Growing older Backbone: What are the Related Elements?
Clin Backbone Surg. 2017 Jul;30(6):E677-E682
Authors: Zhu F, Bao H, Liu Z, Zhu Z, He S, Qiu Y
STUDY DESIGN: A retrospective radiographic examine.
OBJECTIVE: The goal of this examine is to show that lumbar retrolisthesis serves as an essential compensatory mechanism and to determine the attainable issue associated to lumbar retrolisthesis.
SUMMARY OF BACKGROUND DATA: Lumbar instability is likely one of the widespread degenerative modifications, which presents as 2 radiologic options: anterolisthesis and retrolisthesis. In contrast with the intensive research on anterolisthesis, restrict knowledge can be found on the traits and medical relevance of lumbar retrolisthesis.
MATERIALS AND METHODS: On this examine, 105 grownup sufferers with low again ache had been prospectively recruited, of which 60 sufferers had retrolisthesis (group 1) and 45 sufferers had anterolisthesis (group 2). One other 40 wholesome age-matched adults (group three) had been additionally included to function the management group. Sagittal spinopelvic parameters had been measured from the standing lateral radiograph, together with thoracic kyphosis (TK), thoracolumbar kyphosis (TLK), lumbar lordosis (LL), pelvic incidence (PI), sacrum slope (SS), pelvic tilt (PT), sagittal vertical axis (SVA), spinosacral angle (SSA), and C7 tilt (C7T). As well as, disk degeneration was quantitatively evaluated by Pfirrmann rating on T2-weighted magnetic resonance pictures in sufferers with retrolisthesis.
RESULTS: For all of the sagittal parameters, SVA, PI, SS, and LL in retrolisthesis group had been discovered to be considerably decrease than these within the anterolisthesis group and within the management group, respectively (P<zero.05), whereas TLK in retrolisthesis group was considerably bigger than different 2 teams (P<zero.01). As well as, the common Pfirrmann disk rating was 2.11 at ranges with retrolisthesis indicating that the disks weren’t severely degenerated.
CONCLUSIONS: Lumbar retrolisthesis, along with thoracolumbar kyphosis, seems to be related to mechanisms related to regulation of sagittal steadiness. Low PI and disk instability attributable to degeneration could contribute to the event and development of retrolisthesis.
PMID: 28632553 [PubMed – indexed for MEDLINE]