Kimberley R Monden, Angela Hanks Philippus, Nidhi Pai, Carrie Shogren, Erjia Cui, Jesse L Kowalski, Abby Welch, Amanda A Herrmann, Leah R Hanson, Ronald K Reeves, Shraddha Srivastava, Amanda DeRasmi, Kim D Anderson, Elizabeth R Felix, Suzanne Groah, Ana Valeria Aguirre Guemez, Katherine Martinez, Leslie R Morse, Lynn Worobey
{"title":"Association of Meeting Physical Activity Guidelines With Psychosocial and Health Outcomes in Spinal Cord Injury.","authors":"Kimberley R Monden, Angela Hanks Philippus, Nidhi Pai, Carrie Shogren, Erjia Cui, Jesse L Kowalski, Abby Welch, Amanda A Herrmann, Leah R Hanson, Ronald K Reeves, Shraddha Srivastava, Amanda DeRasmi, Kim D Anderson, Elizabeth R Felix, Suzanne Groah, Ana Valeria Aguirre Guemez, Katherine Martinez, Leslie R Morse, Lynn Worobey","doi":"10.46292/sci25-00120","DOIUrl":"https://doi.org/10.46292/sci25-00120","url":null,"abstract":"<p><strong>Background: </strong>Physical inactivity is highly prevalent among individuals with spinal cord injury (SCI), contributing to secondary health conditions and reduced quality of life (QOL).</p><p><strong>Objectives: </strong>To examine the independent associations between adherence to SCI cardiorespiratory fitness guidelines and health and psychosocial outcomes, while controlling for relevant covariates.</p><p><strong>Method: </strong>We conducted a multisite, cross-sectional study of adults with traumatic SCI stratified by self-reported leisure-time physical activity: no activity (28%), some activity (41%), and met guidelines (26%). Multivariable regression models analyzed associations between physical activity (PA) group and outcomes of hospitalization, self-perceived health, resilience (SCI-QOL Resilience), pain, depression (PHQ-8), QOL (SWLS), and social integration (CHART-SF).</p><p><strong>Results: </strong>The study included 361 participants (no activity, 28%; some activity, 41%; met guidelines, 26%). Meeting PA guidelines was associated with better self-perceived health (odds ratio [OR] 2.79, <i>P</i> < .001) and higher resilience (β = 1.78, <i>P</i> = .04) compared to the No Activity group. However, hospitalization risk was unexpectedly higher for both the Some Activity (risk ratio [RR] 1.93, <i>P</i> = .005) and Met Guidelines (RR 1.75, <i>P</i> = .03) groups. After adjusting for covariates, PA was not significantly associated with pain, depression, QOL, or social integration; instead, higher income was consistently associated with better outcomes in these domains.</p><p><strong>Conclusion: </strong>Adherence to SCI exercise guidelines is associated with enhanced self-perceived health and resilience. However, PA alone was not associated with broader psychosocial outcomes in this model, where socioeconomic factors such as income appeared to play a significant explanatory role.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"32 Suppl 1","pages":"103-117"},"PeriodicalIF":1.2,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13102076/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147785449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
James R Wilson, Victoria Alvarenga, Rachel E Cowan, Amanda DeRasmi, Katherine Martinez, Kimberley R Monden, Jeffery W Rankin, Anna Rybińska-Campbell, Jose R Vives Alvarado, Kimberly D Anderson
{"title":"Validation of MENTOR Tool to Describe Bowel Dysfunction in Inpatient Rehabilitation Setting.","authors":"James R Wilson, Victoria Alvarenga, Rachel E Cowan, Amanda DeRasmi, Katherine Martinez, Kimberley R Monden, Jeffery W Rankin, Anna Rybińska-Campbell, Jose R Vives Alvarado, Kimberly D Anderson","doi":"10.46292/sci25-00115","DOIUrl":"https://doi.org/10.46292/sci25-00115","url":null,"abstract":"<p><strong>Background: </strong>People living with spinal cord injury (SCI) rate neurogenic bowel dysfunction (NBD) as one of the biggest daily challenges. Currently, no validated clinical decision-making tool exists to guide NBD management during the acute/subacute period following SCI, a time highlighted by frequent complications and rapid clinical changes. Previously, the Monitoring Efficacy of NBD Treatment On Response (MENTOR) tool was developed to facilitate shared decision-making between the clinician and the person living with chronic SCI in bowel management.</p><p><strong>Objectives: </strong>To assess MENTOR tool validity in an acute/subacute setting.</p><p><strong>Methods: </strong>Prior to discharge from inpatient rehabilitation, the MENTOR tool was completed by a study member via interview, followed immediately by a clinical evaluation by a study clinician who was masked to the MENTOR results. Concordance between the MENTOR tool and the clinical evaluation was assessed using percent agreement calculations.</p><p><strong>Results: </strong>Two hundred forty participants were enrolled. Significant differences were observed in relation to demographic and clinical factors between various SCI categories and clinical sites. Overall concordance between MENTOR and clinical recommendations was 40.6%. Regardless of factors such as satisfaction score, presence of special attention symptoms, or MENTOR results, \"no change\" was the most common clinician evaluation.</p><p><strong>Conclusion: </strong>Similar concordance for using the MENTOR tool as a clinical decision-making tool in the acute/subacute population as compared to the chronic population was not demonstrated. However, the MENTOR tool may be useful as a screening tool to determine whether a clinician assessment is required.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"32 Suppl 1","pages":"220-231"},"PeriodicalIF":1.2,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13102059/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147785487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Urinary Tract Infection Diagnosis Among People With Neurogenic Lower Urinary Tract Infection Due to Spinal Cord Injury and Disease: Time for a Change.","authors":"Suzanne L Groah, Alan Wolfe","doi":"10.46292/sci24-00064","DOIUrl":"https://doi.org/10.46292/sci24-00064","url":null,"abstract":"<p><p>Urinary tract infection (UTI) is the most common infection for people with neurogenic lower urinary tract dysfunction (NLUTD) due to spinal cord injury/disease (SCI/D). While the current diagnostic pillars include symptoms, inflammation, and bacterial load, each is uniquely problematic when applied to NLUTD-related UTI. Authoritative guidelines have not taken into account the impact of bladder management on symptoms; baseline inflammation in the absence of symptoms limits usefulness of white blood count; and bacteriuria in the absence of symptoms and limitations of standard urine culture (SUC) limits utility of SUC-based determination of bacterial load. Newer approaches are being developed to better guide diagnosis and antibiotic use. These include the Urinary Symptom Questionnaires for Neurogenic Bladder for symptom measurement and decision-making around symptoms, novel inflammatory markers (urine NGAL, IL-1, and IL-8), and culture-independent microbial detection methods. Rapid antimicrobial susceptibility testing (AST) methods have been developed utilizing a number of different approaches, increasing the likelihood of point-of-care application in the future. Advancements in UTI diagnosis will include reconceptualization of \"urine is sterile\" to \"eubiosis and dysbiosis,\" symptom complexes to aid decision-making, use of novel inflammatory markers, and less reliance on SUC with increased emphasis on culture-independent methods for bacterial identification, AST, and decision-making.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 4","pages":"141-146"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12629205/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145565655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Paulina S Scheuren, Bethany R Kondiles, Angela R Filous, Ona E Bloom, Diana S-L Chow, Edelle C Field-Fote, Patrick Freund, James D Guest, Brian K Kwon, Nikos Kyritsis, Chris Leptak, Monica A Perez, Matthew Szapacs, Christopher R West, Keith Tansey, Jane T C Hsieh, Linda Jones
{"title":"Exploring the Landscape of Biomarkers in Spinal Cord Injury.","authors":"Paulina S Scheuren, Bethany R Kondiles, Angela R Filous, Ona E Bloom, Diana S-L Chow, Edelle C Field-Fote, Patrick Freund, James D Guest, Brian K Kwon, Nikos Kyritsis, Chris Leptak, Monica A Perez, Matthew Szapacs, Christopher R West, Keith Tansey, Jane T C Hsieh, Linda Jones","doi":"10.46292/sci24-00076","DOIUrl":"10.46292/sci24-00076","url":null,"abstract":"<p><p>Despite considerable progress in spinal cord injury (SCI) research, there remains a pressing need for interventions that effectively restore neurological function after injury beyond that which occurs spontaneously. A major steppingstone towards the development of effective therapies for SCI is the ability to accurately predict recovery and identify individuals who are most likely to respond to intervention. Currently, the International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) remains the primary tool for assessing neurological impairment after injury. However, based on the inherent limitations of the ISNCSCI exam, accurate and sensitive biomarkers are required. Understanding the role of biomarkers in SCI is crucial for improving diagnosis, prognosis, and treatment strategies. In 2024, the Spinal Cord Outcome Partnership Endeavour (SCOPE) sponsored a precourse at the American Spinal Injuries Association (ASIA) meeting. The international panel discussed the scope, utility, and application of biomarkers in SCI clinical trials and clinical practice. This article summarizes key insights from this discussion, highlighting the value of various types of biomarkers, ranging from molecular and cellular markers to those reflecting neural circuits, systems, and movement. We also summarize the context of using different types of biomarkers and their application in research versus clinical practice. While there are currently no FDAqualified SCI biomarkers, the development of reliable biomarkers holds the potential to accelerate the pace of discovery and enable more precise approaches to treatment.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 2","pages":"1-12"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12199613/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144530246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Paul K Watson, James W Middleton, Mohit Arora, Camila Quel De Oliveira, Robert Heard, Andrew Nunn, Tim Geraghty, Ruth Marshall, Glen M Davis
{"title":"Leisure-time Physical Activity in People with Spinal Cord Injury: A Population-based Community Sample.","authors":"Paul K Watson, James W Middleton, Mohit Arora, Camila Quel De Oliveira, Robert Heard, Andrew Nunn, Tim Geraghty, Ruth Marshall, Glen M Davis","doi":"10.46292/sci24-00007","DOIUrl":"10.46292/sci24-00007","url":null,"abstract":"<p><strong>Objectives: </strong>To examine leisure-time physical activity (LTPA) volume in the Australian spinal cord injury (SCI) population while exploring its associations with sociodemographic and injury-related characteristics.</p><p><strong>Methods: </strong>This study was a cross-sectional analysis of the Australian cohort of the International Spinal Cord Injury Survey. The study included 1579 participants aged 18 years or older with an SCI. Analyses included summary statistics, analysis of variance, and regression modelling.</p><p><strong>Results: </strong>Approximately 58% (<i>n</i> = 863) of participants reported some participation in LTPA. The average (<i>SD</i>) total LTPA per week was 333 (318) minutes. Males, younger people, traumatically injured individuals, participants with less time since their injury, and those who required less assistance to ambulate reported between 50% and 200% more engagement in LTPA than their counterparts. Only 204 (13%) participants were compliant with the current SCI-specific physical activity guidelines for fitness improvement. Sociodemographic and injury-related characteristics explained a 2.9% variance for total LTPA, but the model was statistically insignificant.</p><p><strong>Conclusion: </strong>Participation in LTPA in the Australian SCI population was low, and not enough activity was performed at intensities that elicit healthful change. These data add to the growing body of LTPA and physical activity data for the global SCI population. The trends of physical inactivity are globally consistent. Some sociodemographic variables and injury-related characteristics influence the volume and type of LTPA performed, but their effect is mild. Urgent attention is warranted to improve LTPA volume globally.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 2","pages":"76-87"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12199567/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144530247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Thomas Thordarson, Tiev Miller, Martín Calderón-Juárez, Ali Hosseinzadeh, Raza Malik, Rahul Sachdeva, Andrei V Krassioukov
{"title":"Peripheral Vascular Dysfunction Following Spinal Cord Injury: A Systematic Review and Meta-Analysis.","authors":"Thomas Thordarson, Tiev Miller, Martín Calderón-Juárez, Ali Hosseinzadeh, Raza Malik, Rahul Sachdeva, Andrei V Krassioukov","doi":"10.46292/sci24-00036","DOIUrl":"10.46292/sci24-00036","url":null,"abstract":"<p><strong>Background: </strong>Spinal cord injury (SCI) has been shown to impact vascular function and increase the risk of cardiovascular disease (CVD). However, data are limited regarding prognostic factors for identifying subclinical CVD risk in individuals with SCI.</p><p><strong>Objectives: </strong>To identify maladaptive structural and functional changes to central and peripheral vasculature resulting from SCI and to assess the effect of SCI on these parameters relative to able-bodied comparators.</p><p><strong>Methods: </strong>This review was prospectively registered. A systematic search was performed using PRISMA guidelines. Bias was assessed using the ROBINS-I and AHRQ tools. Studies reporting structural or functional changes to vasculature following SCI were included. Data on participant and injury characteristics, outcomes, and assessments used were extracted. Meta-analyses were conducted for adequately powered subgroups based on outcome type, measurement site, and level of injury.</p><p><strong>Results: </strong>A total of 49 studies involving 1026 individuals with SCI and 941 able-bodied comparators were included. Most studies described injury level and severity using standardized impairment classifications. Subgroup analyses showed significantly reduced arterial diameter, compliance, endothelial function, blood flow volume, and high-density lipoprotein (HDL) cholesterol concentration among people with SCI compared to controls. Intima-media thickness, arterial stiffness, shear rate, and blood glucose and triglyceride concentrations were significantly greater for people with SCI compared to controls. Additional subgroup analyses were underpowered.</p><p><strong>Conclusion: </strong>This review synthesizes the current literature reporting central and peripheral vasculature outcomes in people with SCI and able-bodied controls. Between-group differences were observed for several structural and functional vascular outcomes, which suggests that SCI has a significant impact on multiple subclinical CVD risk factors.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 2","pages":"88-103"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12202987/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144530248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kayleigh Crane, Angela Hanks Philippus, Jennifer Coker, Jesse L Kowalski, Kimberley R Monden
{"title":"Association of Hallucinogen Use With Psychosocial Outcomes: Secondary Analysis of the Spinal Cord Injury Model Systems Database.","authors":"Kayleigh Crane, Angela Hanks Philippus, Jennifer Coker, Jesse L Kowalski, Kimberley R Monden","doi":"10.46292/sci24-00082","DOIUrl":"10.46292/sci24-00082","url":null,"abstract":"<p><strong>Background: </strong>Individuals with spinal cord injuries (SCI) experience depression at rates up to 5 times higher than the general population. Although research on hallucinogens for treating depression is growing, no studies have specifically focused on individuals with SCI.</p><p><strong>Objectives: </strong>To identify factors associated with hallucinogen use and explore the relationship between hallucinogen use and psychosocial outcomes (i.e., depression and quality of life [QOL]) among individuals with SCI.</p><p><strong>Methods: </strong>This exploratory, retrospective cross-sectional study design used data from 9976 participants in the Spinal Cord Injury Model Systems (SCIMS) National Database (NDB) between 2016 and 2021. The study outcomes were depression (Patient Health Questionnaire-9 [PHQ-9]) and QOL (Satisfaction with Life Scale [SWLS]). Hallucinogen use, measured by the WHO ASSIST 2, was dichotomized into some use versus no use.</p><p><strong>Results: </strong>Overall, 65 participants (0.7%) reported some hallucinogen use in the prior 3 months. Multivariable logistic regression analysis showed that younger age, male sex, fall(s) in the previous year, and sleep disturbances were all associated with hallucinogen use. In multivariable linear regression, hallucinogen use was significantly associated with higher PHQ-9 scores (effect size [ES] 0.558) but was not significantly related to SWLS scores (ES 0.149).</p><p><strong>Conclusion: </strong>This is the first study to identify demographic, injury, and psychosocial factors associated with hallucinogen use among individuals with SCI and to explore its relation to depression and QOL. These findings provide a foundation for future, fully powered studies aimed at determining the effect of hallucinogen use in the SCI population.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 4","pages":"160-174"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12629206/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145565866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Brittany Snider, Steven Kirshblum, Ruediger Rupp, Christian Schuld, Fin Biering-Sorensen, Stephen Burns, James Guest, Linda Jones, Andrei Krassioukov, Gianna Rodriguez, Mary Schmidt Read, Keith Tansey, Kristen Walden
{"title":"International Standards for Neurological Classification of Spinal Cord Injury: Case Examples Reinforcing Concepts From the 2019 Revision.","authors":"Brittany Snider, Steven Kirshblum, Ruediger Rupp, Christian Schuld, Fin Biering-Sorensen, Stephen Burns, James Guest, Linda Jones, Andrei Krassioukov, Gianna Rodriguez, Mary Schmidt Read, Keith Tansey, Kristen Walden","doi":"10.46292/sci24-00049","DOIUrl":"https://doi.org/10.46292/sci24-00049","url":null,"abstract":"<p><strong>Background: </strong>The International Standards for Neurological Classification of Spinal Cord Injury (ISNCSCI) is the most widely accepted system for characterizing sensorimotor impairments after spinal cord injury (SCI). There have been a number of ISNCSCI revisions, with the most recent edition published in 2019. Newer concepts, including the revised definitions of the zones of partial preservation (ZPPs) and documentation of non-SCI conditions, require training and practice for successful utilization. The International Standards Committee developed an ISNCSCI workbook of 26 practice cases, each with detailed explanations of the correct classification components. In this article, we present seven cases, which were selected from the workbook to reinforce the changes implemented in 2019.</p><p><strong>Methods: </strong>Hypothetical ISNCSCI cases were created to illustrate important classification rules, definitions, and nuances. All cases were reviewed by members of the American Spinal Injury Association (ASIA) International Standards Committee, and if any discrepancies were identified, they were discussed until a consensus was reached. To confirm agreement, cases were also entered into online algorithms, which are compliant with the 2019 ISNCSCI revision. The seven cases in this article highlight newer classification concepts and include a discussion of key elements.</p><p><strong>Cases: </strong>Each case reinforces the revised definitions of the ZPPs, such as the applicability of sensory ZPPs in all injuries without sensory sacral sparing and applicability of motor ZPPs in all injuries without voluntary anal contraction (VAC). Non-SCI-related impairments and their impact on the classification are reviewed in Cases 4-7.</p><p><strong>Conclusion: </strong>The seven cases presented in this article feature key concepts from the 2019 ISNCSCI revision. These cases, as well as the full ISNCSCI workbook, can serve as valuable training tools to improve classification accuracy.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 3","pages":"1-14"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12376161/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144973829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stephen P Burns, Kristen Walden, Steven Kirshblum, Mary Schmidt-Read, Keith Tansey, Christian Schuld, Ruediger Rupp
{"title":"Development and Validation of an Algorithm for Item Reduction of the International Standards for Neurological Classification of Spinal Cord Injury Examination to Determine Level and Severity of SCI.","authors":"Stephen P Burns, Kristen Walden, Steven Kirshblum, Mary Schmidt-Read, Keith Tansey, Christian Schuld, Ruediger Rupp","doi":"10.46292/sci25-00008","DOIUrl":"https://doi.org/10.46292/sci25-00008","url":null,"abstract":"<p><strong>Background: </strong>In 2020, a first, expedited version of the International Standards for Neurological Classification of Spinal Cord Injury (E-ISNCSCI-V1) was proposed for determination of neurological level of injury (NLI) and American Spinal Injury Association Impairment Scale (AIS) classifications.</p><p><strong>Objectives: </strong>This work describes assessment of E-ISNCSCI-V1 classification accuracy and the development and data-based validation of an ISNCSCI Item Reduction Algorithm (IIRA).</p><p><strong>Methods: </strong>Classification accuracy for E-ISNCSCI-V1 examination shortcut options was assessed with automated analysis of 7026 full ISNCSCI examinations. Rules for the IIRA were iteratively adjusted to optimize the balance between omitting exam items and minimizing misclassification errors, and then it was validated through classification of 100 full ISNCSCI exams.</p><p><strong>Results: </strong>If S1 findings are substituted for anorectal exam findings as proposed for E-ISNCSCI-V1, the error rate for AIS is 10%, with a high error rate (45%) for classifying true AIS B. The IIRA, which begins with full motor testing, followed by limited sensory testing required an average of 31% (42/134) of the full ISNCSCI exam items, with a 2% error rate for NLI and no AIS errors.</p><p><strong>Conclusion: </strong>The previously proposed E-ISNCSCI-V1, which included an option to substitute S1 findings for anorectal exam findings, is not recommended due to AIS error rate. The IIRA provides a standardized option for a shortened examination classifying NLI and AIS with high accuracy. It will serve as a basis for version 2 of the E-ISNCSCI.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 3","pages":"61-67"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12376155/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144973833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jia Li, Phillip G Popovich, Kristina A Kigerl, Dana M McTigue, Jan Schwab, Stephen Barnes, Ceren Yarar-Fisher
{"title":"Multiomic Analysis of the Gut Microbiome and Serum Metabolome in Response to a Low-Carbohydrate, High-Protein Diet in Individuals With Spinal Cord Injury.","authors":"Jia Li, Phillip G Popovich, Kristina A Kigerl, Dana M McTigue, Jan Schwab, Stephen Barnes, Ceren Yarar-Fisher","doi":"10.46292/sci24-00061","DOIUrl":"10.46292/sci24-00061","url":null,"abstract":"<p><strong>Background: </strong>Dietary interventions play a significant role in preventing and managing cardiometabolic diseases partly through their impact on the gut microbiome and circulating metabolites.</p><p><strong>Objectives: </strong>To assess the impact of an 8-week low-carbohydrate, high-protein (LC/HP) diet on gut microbiome composition, function, and serum metabolome in individuals with spinal cord injury (SCI).</p><p><strong>Methods: </strong>Twenty-four adults with chronic SCI were randomized into an LC/HP diet or a control group for 8 weeks. Stool and fasting serum samples were collected at baseline and week 8. The gut microbiome composition and metabolic potential were determined using metagenomic sequencing, while serum metabolome was assessed through untargeted liquid chromatography-tandem mass spectrometry. Statistical analyses focused on diet and time interaction effects, using R (version 4.1.0).</p><p><strong>Results: </strong>A trend for increased alpha diversity (Gini-Simpson, <i>P</i> = .09) in the diet group indicated a more evenly distributed microbial community. Compared to the control group, several microbiome species (e.g., <i>Fusicatenibacter saccharivorans, Eubacterium siraeum)</i> that are implicated with better intestinal health and reduced inflammation increased, while other species (e.g., <i>Hungatella hathewayi, Clostridium symbiosum</i>) that are associated with colorectal cancer risk decreased in the diet group. Microbial metabolic pathways related to amino acid and purine nucleotides were altered. Increased tryptophan betaine and decreased 8-hydroxy-deoxyguanosine were observed in the serum in the diet group (<i>P</i> <sub>interaction</sub> < .05), indicating compliance and reduced oxidative stress, respectively.</p><p><strong>Conclusion: </strong>Adopting an LC/HP diet resulted in favorable gut microbiome and metabolome adaptations that may reduce the risk for cardiometabolic disease and colorectal cancer in individuals with SCI.</p>","PeriodicalId":46769,"journal":{"name":"Topics in Spinal Cord Injury Rehabilitation","volume":"31 4","pages":"111-129"},"PeriodicalIF":1.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12629218/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145565579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}