Spinal cord signal change on magnetic resonance imaging may predict worse clinical in-and outpatient outcomes in patients with spinal cord injury: A prospective multicenter study in 459 patients
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2021-10-01
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Prognostic factors for clinical outcome after spinal cord (SC) injury (SCI) are limited but important in patient management and education. There is a lack of evidence regarding magnetic resonance imaging (MRI) and clinical outcomes in SCI patients. Therefore, we aimed to investigate whether baseline MRI features predicted the clinical course of the disease. This study is an ancillary to the prospective North American Clinical Trials Network (NACTN) registry. Patients were enrolled from 2005–2017. MRI within 72 h of injury and a minimum follow-up of one year were available for 459 patients. Patients with American Spinal Injury Association impairment scale (AIS) E were excluded. Patients were grouped into those with (n = 354) versus without (n = 105) SC signal change on MRI T2-weighted images. Logistic regression analysis adjusted for commonly known a priori confounders (age and baseline AIS). Main outcomes and measures: The primary outcome was any adverse event. Secondary outcomes were AIS at the baseline and final follow-up, length of hospital stay (LOS), and mortality. A regression model adjusted for age and baseline AIS. Patients with intrinsic SC signal change were younger (46.0 (interquartile range (IQR) 29.0 vs. 50.0 (IQR 20.5) years, p = 0.039). There were no significant differences in the other baseline variables, gender, body mass index, comorbidities, and injury location. There were more adverse events in patients with SC signal change (230 (65.0%) vs. 47 (44.8%), p < 0.001; odds ratio (OR) = 2.09 (95% confidence interval (CI) 1.31–3.35), p = 0.002). The most common adverse event was cardiopulmonary (186 (40.5%)). Patients were less likely to be in the AIS D category with SC signal change at baseline (OR = 0.45 (95% CI 0.28–0.72), p = 0.001) and in the AIS D or E category at the final follow-up (OR = 0.36 (95% CI 0.16–0.82), p = 0.015). The length of stay was longer in patients with SC signal change (13.0 (IQR 17.0) vs. 11.0 (IQR 14.0), p = 0.049). There was no difference between the groups in mortality (11 (3.2%) vs. 4 (3.9%)). MRI SC signal change may predict adverse events and overall LOS in the SCI population. If present, patients are more likely to have a worse baseline clinical presentation (i.e., AIS) and in-or.
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Jentzsch, T, DW Cadotte, JR Wilson, F Jiang, JH Badhiwala, MA Akbar, B Rocos, RG Grossman, et al. (2021). Spinal cord signal change on magnetic resonance imaging may predict worse clinical in-and outpatient outcomes in patients with spinal cord injury: A prospective multicenter study in 459 patients. Journal of Clinical Medicine, 10(20). pp. 4778–4778. 10.3390/jcm10204778 Retrieved from https://hdl.handle.net/10161/29695.
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Brett Rocos
I joined the team at Duke University Health from London, UK, where I was a Consultant Adult and Paediatric Spine Surgeon at Barts Health NHS Trust and Honorary Consultant Senior Lecturer at Queen Mary University of London. I completed my surgical training in in the South West of the UK and at the University of Toronto, and am fellowship trained in adult spine surgery, paediatric spine surgery, orthopaedic trauma surgery, research and healthcare management.
I am driven to support patients at every stage of their care, from clinic assessment, through surgery to discharge. Making sure that every person, adult, child, family or friend understands what’s wrong, helping them to choose the right treatment for them, and what the recovery will be like is an important priority.
My research activity focusses on finding effective new treatments for spinal disorders and bringing them to patients. Focusing on spinal deformity, I have led investigations in the UK, Canada and the USA, and I sit on the Global AO Knowledge Forum for Deformity and the Research Grants Committee at the Scoliosis Research Society. I have lectured in North America and Europe about the treatment of spine disorders for the Scoliosis Research Society, Global Spine Congress, AO Spine and Eurospine, and I have worked hard to produce research that improves the care for spine patients wherever they live. Lastly, I review for several orthopaedic journals and I am Deputy Editor of the Bone and Joint 360, a leading publication with a global readership.
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