J Bone Joint Surg Am
Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio.
Published: November 2024
Background: Risk factors for gluteal tears include age-related deterioration, female sex, and increased body mass index. As the literature that supports the sagittal relationship between the lumbar spine and the hip is increasing, there may be a parallel relationship between the perturbations in spinopelvic alignment caused by lumbar spine disease and gluteal muscle tears. Because no prior studies other than single-institution series have reported on this phenomenon, we investigated spine-abductor syndrome at the population level.
Methods: This study utilized TriNetX, a federated research network that continuously aggregates deidentified electronic health record data from >92 million patients across the United States. The relative risks of gluteal tear encounter diagnoses and procedures were calculated for patients with and without the following characteristics: age ≥45 years, female sex, obesity, lumbar spine diagnoses, lumbar spine injections, and lumbar spine surgery. Utilizing the Cox proportional hazard model, we also analyzed gluteal tear-free survival over a period of ≥10 years in subgroups of patients who had been diagnosed with lumbar pathology, had been administered a lumbar injection, or had received lumbar surgery.
Results: Of the 8,475,800 patients who had received lumbar spine diagnoses, undergone lumbar injections, and/or undergone lumbar surgeries, 458,311 patients (5.4%) had gluteal tears, representing a relative risk of 13.6 (95% confidence interval [CI]:13.6 to 13.6). After controlling for age, sex, and obesity, survival analysis showed markedly increased hazard ratios (HRs) for patients having a gluteal tear encounter diagnosis in the intervening 13 years (2010 to 2023) if they had had a previous lumbar spine pathology encounter diagnosis (HR: 4.8, 95% CI: 4.5 to 5.1), had undergone lumbar spine injections (HR: 7.7, 95% CI: 6.2 to 9.5), or had undergone lumbar spine surgery (HR: 6.6, 95% CI: 5.3 to 8.1) in 2010.
Conclusions: These findings suggest a strong association between lumbar spine pathology and abductor tears. Further biomechanical and neuroanatomic studies may elucidate the effects of lumbar spine disease in relation to gluteal tears. Additionally, there may be a need to optimize diagnostic protocols for lateral hip pain in patients with a history of lumbar spine disease.
Level Of Evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
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http://dx.doi.org/10.2106/JBJS.24.00012 | DOI Listing |
Radiol Med
January 2025
Department of Radiology, University Hospital, LMU Munich, Marchioninistr. 15, 81377, Munich, Germany.
Purpose: To develop an artificial intelligence (AI) algorithm for automated measurements of spinopelvic parameters on lateral radiographs and compare its performance to multiple experienced radiologists and surgeons.
Methods: On lateral full-spine radiographs of 295 consecutive patients, a two-staged region-based convolutional neural network (R-CNN) was trained to detect anatomical landmarks and calculate thoracic kyphosis (TK), lumbar lordosis (LL), sacral slope (SS), and sagittal vertical axis (SVA). Performance was evaluated on 65 radiographs not used for training, which were measured independently by 6 readers (3 radiologists, 3 surgeons), and the median per measurement was set as the reference standard.
BMC Musculoskelet Disord
January 2025
Department of Orthopedics, Peking University Third Hospital, No. 49. North Garden Street, Hai Dian District, Beijing, 100191, People's Republic of China.
Background: For degenerative lumbar scoliosis (DLS), prior studies mainly focused on the preoperative relationship between spinopelvic parameters and health-related quality of life (HRQoL), lacking an exhaustive evaluation of the postoperative situation. Therefore, the postoperative parameters most closely bonded with clinical outcomes has not yet been well-defined in DLS patients. The objective of this study was to comprehensively assess the correlation between radiographic parameters and HRQoL before and after surgery, and to identified the most valuable spinopelvic parameters for postoperative curative effect.
View Article and Find Full Text PDFSpine J
January 2025
Center for Muscle and Joint Health, Department of Sport Sciences and Clinical Biomechanics, University of Southern Denmark; Chiropractic Knowledge Hub, University of Southern Denmark, Denmark. Electronic address:
Background Context: Recumbent MRI is the most widely used image modality in people with low back pain (LBP), however, it has been proposed that upright (standing) MRI has advantages over recumbent MRI because of its ability to assess the effects of being weight-bearing. It has been suggested that this produces systematic differences in MRI parameters and differences in the correlation between MRI parameters and pain or disability in patients thus, potentially adding clinically helpful information.
Purpose: This paper aims to review and summarize the available empirical evidence for or against these two hypotheses.
J Surg Res
January 2025
Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama. Electronic address:
Introduction: Patients with primary hyperparathyroidism (PHPT) are prone to low bone mineral density (BMD). This study aimed to explore factors associated with improved bone health after parathyroidectomy (PTx).
Methods: We conducted a retrospective analysis of patients who underwent PTx for PHPT at our institution between 2016 and 2020.
J Clin Densitom
January 2025
University of Health Sciences, Umraniye Training and Research Hospital, Department of Radiology, Istanbul, Turkey.
Background: Osteoporosis, a systemic skeletal disease characterized by low bone mass and microarchitectural deterioration, poses a significant public health challenge globally. While the gold standard for diagnosing osteoporosis is dual-energy X-ray absorptiometry (DXA), its use is limited by factors like spinal deformities and artifacts. This study aims to explore the potential of routine T1-weighted MRI sequences in predicting osteopenia and osteoporosis through the vertebral bone signal (VB) to cerebrospinal fluid signal (CSF) ratio.
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