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Rodriguez R, Greenberg S. Is older age an appropriate criterion alone for ordering cervical spine CT after trauma. Acad Emerg Med 2024. [PMID: 39119986 DOI: 10.1111/acem.15001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2024] [Accepted: 07/23/2024] [Indexed: 08/10/2024]
Affiliation(s)
- Rachel Rodriguez
- Department of Surgery, Indiana University, Indianapolis, Indiana, USA
| | - Shannon Greenberg
- Department of Surgery, Indiana University, Indianapolis, Indiana, USA
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2
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Whitesell RT, Burnett AM, Johnston SK, Sheafor DH. Pre-hospital emergency medicine: a spectrum of imaging findings. Emerg Radiol 2024; 31:405-415. [PMID: 38528277 DOI: 10.1007/s10140-024-02223-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 03/14/2024] [Indexed: 03/27/2024]
Abstract
The goal of emergency medical services (EMS) is to provide urgent medical care and stabilization prior to patient transport to a healthcare facility for definitive treatment. The number and variety of interventions performed in the field by EMS providers continues to grow as early management of severe injuries and critical illness in the pre-hospital setting has been shown to improve patient outcomes. The sequela of many field interventions, including those associated with airway management, emergent vascular access, cardiopulmonary resuscitation (CPR), patient immobilization, and hemorrhage control may be appreciated on emergency department admission imaging. Attention to these imaging findings is important for the emergency radiologist, who may be the first to identify a malpositioned device or an iatrogenic complication arising from pre-hospital treatment. Recognition of these findings may allow for earlier corrective action to be taken in the acute care setting. This review describes common EMS interventions and their imaging findings.
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Affiliation(s)
- Ryan T Whitesell
- Division of Emergency Radiology, Midwest Radiology, 2355 Highway 36 West, Roseville, MN, USA.
| | - Aaron M Burnett
- Department of Emergency Medicine, Regions Hospital, 640 Jackson St, St. Paul, MN, USA
| | - Sean K Johnston
- Division of Emergency Radiology, Midwest Radiology, 2355 Highway 36 West, Roseville, MN, USA
| | - Douglas H Sheafor
- Division of Emergency Radiology, Midwest Radiology, 2355 Highway 36 West, Roseville, MN, USA
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Dion PM, Lapierre M, Said H, Tremblay S, Tariq K, Lamb T, English SW, Kingstone M, Stratton A, Boet S, Shorr R, Lampron J. Rethinking cervical spine clearance in obtunded trauma patients: An updated systematic review and meta-analysis. Injury 2024; 55:111308. [PMID: 38266326 DOI: 10.1016/j.injury.2023.111308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/23/2023] [Accepted: 12/29/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND Cervical spine injuries (CSI) are often challenging to diagnose in obtunded adult patients with blunt trauma and the optimal imaging modality remains uncertain. This study systematically synthesized the last decade of evidence to determine the type of imaging required to clear the c-spine in obtunded patients with blunt trauma. METHODS A systematic review with meta-analysis was conducted and reported using PRISMA 2020 guidelines. The protocol was registered on June 22, 2022 (PROSPERO CRD42022341386). MEDLINE (Ovid), EMBASE, and Cochrane Library were searched for studies published between January 1, 2012, and October 17, 2023. Studies comparing CT alone to CT combined with MRI for c-spine clearance were included. Two independent reviewers screened articles for eligibility in duplicate. Meta-analysis was conducted using a random-effect model. Risk of bias and quality assessment were performed using the ROBINS-I and QUADAS-2. The certainty of evidence was assessed using the GRADE methodology. RESULTS 744 obtunded trauma patients from six included studies were included. Among the 584 that had a negative CT scan, the pooled missed rate of clinically significant CSI using CT scans alone was 6 % (95 % CI: 0.02 to 0.17), and the pooled missed rate of CSI requiring treatment was 7 % (95 % CI: 0.02 to 0.18). High heterogeneity was observed among included studies (I² > 84 %). The overall risk of bias was moderate, and the quality of evidence was low due to the retrospective nature of the included studies and high heterogeneity. CONCLUSIONS Limited evidence published in the last decade found that CT scans alone may not be sufficient for detecting clinically significant CSI and injuries requiring treatment in obtunded adult patients with blunt trauma. IMPLICATIONS OF KEY FINDINGS Clinicians should be aware of the limitations of CT scans and consider using MRI when appropriate. Future research should focus on prospective studies with standardized outcome measures and uniform reporting.
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Affiliation(s)
- Pierre-Marc Dion
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | | | - Hussein Said
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Sophie Tremblay
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Khadeeja Tariq
- Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Tyler Lamb
- Division of General Surgery, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Shane W English
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Medicine (Critical Care), The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Michael Kingstone
- Department of Medical Imaging, The Ottawa Hospital, Ottawa, ON, Canada
| | - Alexandra Stratton
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Division of Orthopedic Surgery, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada
| | - Sylvain Boet
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Department of Anesthesiology and Pain Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada; Department of Innovation in Medical Education, University of Ottawa, Ottawa, ON, Canada; Institut du Savoir Montfort, Ottawa, ON, Canada
| | - Risa Shorr
- Library Services, The Ottawa Hospital, Ottawa, ON, Canada
| | - Jacinthe Lampron
- Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada; Division of General Surgery, Department of Surgery, The Ottawa Hospital, University of Ottawa, Ottawa, ON, Canada.
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4
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Burton KR, Magidson PD. Trauma (Excluding Falls) in the Older Adult. Clin Geriatr Med 2023; 39:519-533. [PMID: 37798063 DOI: 10.1016/j.cger.2023.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Trauma in the older adult will increasingly become important to emergency physicians hoping to optimize their patient care. The geriatric patient population possesses higher rates of comorbidities that increase their risk for trauma and make their care more challenging. By considering the nuances that accompany the critical stabilization and injury-specific management of geriatric trauma patients, emergency physicians can decrease the prevalence of adverse outcomes.
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Affiliation(s)
- Kyle R Burton
- Department of Emergency Medicine, Johns Hopkins Hospital, 1830 Eas, Monument Street, Suite 6-110, Baltimore, MD 21287, USA
| | - Phillip D Magidson
- Johns Hopkins Hospital, Johns Hopkins Bayview Medical Center, 4940 Eastern Avenue, Suite A150, Baltimore, MD 21224, USA.
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5
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Russell KW, Iantorno SE, Iyer RR, Brockmeyer DL, Smith KM, Polukoff NE, Larsen KE, Barnes KL, Bell TM, Fenton SJ, Inaba K, Swendiman RA. Pediatric cervical spine clearance: A 10-year evaluation of multidetector computed tomography at a level 1 pediatric trauma center. J Trauma Acute Care Surg 2023; 95:354-360. [PMID: 37072884 DOI: 10.1097/ta.0000000000003929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2023]
Abstract
INTRODUCTION Efficient and accurate evaluation of the pediatric cervical spine (c-spine) for both injury identification and posttraumatic clearance remains a challenge. We aimed to determine the sensitivity of multidetector computed tomography (MDCT) for identification of cervical spine injuries (CSIs) in pediatric blunt trauma patients. METHODS A retrospective cohort study was conducted at a level 1 pediatric trauma center from 2012 to 2021. All pediatric trauma patients age younger than 18 years who underwent c-spine imaging (plain radiograph, MDCT, and/or magnetic resonance imaging [MRI]) were included. All patients with abnormal MRIs but normal MDCTs were reviewed by a pediatric spine surgeon to assess specific injury characteristics. RESULTS A total of 4,477 patients underwent c-spine imaging, and 60 (1.3%) were diagnosed with a clinically significant CSI that required surgery or a halo. These patients were older, more likely to be intubated, have a Glasgow Coma Scale score of <14, and more likely to be transferred in from a referring hospital. One patient with a fracture on radiography and neurologic symptoms got an MRI and no MDCT before operative repair. All other patients who underwent surgery including halo placement for a clinically significant CSI had their injury diagnosed by MDCT, representing a sensitivity of 100%. There were 17 patients with abnormal MRIs and normal MDCTs; none underwent surgery or halo placement. Imaging from these patients was reviewed by a pediatric spine surgeon, and no unstable injuries were identified. CONCLUSION Multidetector computed tomography appears to have 100% sensitivity for detecting clinically significant CSIs in pediatric trauma patients, regardless of age or mental status. Forthcoming prospective data will be useful to confirm these results and inform recommendations for whether pediatric c-spine clearance can be safely performed based on the results of a normal MDCT alone. LEVEL OF EVIDENCE Diagnostic Tests or Criteria; Level IV.
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Affiliation(s)
- Katie W Russell
- From the Division of Pediatric Surgery, Department of Surgery (K.W.R., S.E.I., K.M.S., N.E.P., K.E.L., T.M.B., S.J.F., R.A.S.) and Department of Neurosurgery (R.R.I., D.L.B.), University of Utah, Salt Lake City, Utah; Primary Children's Hospital, Salt Lake City, UT (K.L.B.); and Division of Trauma and Surgical Critical Care, Department of Surgery (K.I.), University of Southern California, Los Angles, CA
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6
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Lau L, Ajzenberg H, Haas B, Wong CL. Trauma in the Aging Population. Emerg Med Clin North Am 2023; 41:183-203. [DOI: 10.1016/j.emc.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Facial Fractures and Their Relation to Head and Cervical Spine Injuries in Hospitalized Bicyclists. J Craniofac Surg 2023; 34:34-39. [PMID: 36608095 DOI: 10.1097/scs.0000000000009032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 08/21/2022] [Indexed: 12/31/2022] Open
Abstract
Bicyclists are vulnerable road users. The authors aimed to characterise facial fractures and their association with head and neck injuries in bicyclists admitted to a Scandinavian Level 1 trauma center with a catchment area of ~3 million inhabitants. Data from bicycle-related injuries in the period 2005 to 2016 were extracted from the Oslo University Hospital trauma registry. Variables included were age; sex; date of injury; abbreviated injury scale (AIS) codes for facial skeletal, head and neck injuries; and surgical procedure codes for treatment of facial fractures. Anatomical injury was classified according to AIS98. A total of 1543 patients with bicycle-related injuries were included. The median age was 40 years (quartiles 53, 25), and 1126 (73%) were men. Overall, 652 fractures were registered in 339 patients. Facial fractures were observed in all age groups; however, the proportion rose with increasing age. Bicyclists who suffered from facial fractures more often had a concomitant head injury (AIS head >1) than bicyclists without facial fractures (74% vs. 47%), and the odds ratio for facial fracture(s) in the orbit, maxilla and zygoma were significantly increased in patients with AIS head >1 compared to patients with AIS head=1. In addition, 17% of patients with facial fractures had a concomitant cervical spine injury versus 12% of patients without facial fractures. This results showed that facial fractures were common among injured bicyclists and associated with both head and cervical spine injury. Thus, a neurological evaluation of these patients are mandatory, and a multidisciplinary team including maxillofacial and neurosurgical competence is required to care for these patients.
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Dorfman JD. Near Hanging: Evaluation and Management. Chest 2022; 163:855-860. [PMID: 36372303 PMCID: PMC9647002 DOI: 10.1016/j.chest.2022.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 11/03/2022] [Indexed: 11/12/2022] Open
Abstract
Prior to the COVID-19 pandemic, the incidence of self-harm was already on the rise. Hanging/suffocation accounted for 50% of the increase in suicide attempts and remains the second leading cause of death from self-harm in the United States. Studies on the management of near-hanging patients are lacking, and most published literature is retrospective. Following airway and circulation assessment, clinical examination and imaging, namely CT angiography, remain the standard for identifying the injuries associated with near hanging: cervical spine fracture, blunt cerebrovascular injury, laryngeal injury, and injury to the trachea and oropharynx. These injuries, however, are uncommon, and each occur in < 5% of patients in most series. In a large series of critically ill near-hanging patients, > 50% survived to hospital discharge; however, cardiac arrest predicted a poor outcome. The management of asphyxia-related arrest remains controversial. Targeted temperature management has only been studied in a single large multicenter trial, which was retrospective. Given the significant selection bias of targeted temperature management in the treatment of the most ill patients, no firm recommendations can be made. Finally, for survivors, the underlying mental health issues must be addressed to avoid recurrent suicide attempts. Thirty percent of patients in a large near-hanging series were admitted for their second suicide attempt.
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Affiliation(s)
- Jon D Dorfman
- Division of Trauma and Surgical Critical Care, UMass Memorial, Worcester, MA.
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Grenier G, Despatis MA, Lebel K, Hamel M, Martin C, Boissy P. Removal of the cervical collar from alpine rescue protocols? A biomechanical non-inferiority trial in real-life mountain conditions. Scand J Trauma Resusc Emerg Med 2022; 30:42. [PMID: 35761355 PMCID: PMC9235139 DOI: 10.1186/s13049-022-01031-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 06/20/2022] [Indexed: 11/15/2022] Open
Abstract
Background Alpine skiing rescues are challenging because of the mountainous environment and risks of cervical spine motion (CSM) induced during victims’ extrications (EXs) and downhill evacuations (DEs). The benefits of applying a cervical collar (CC) over manual in-line stabilization without CC (MILS) in terms of spinal motion restriction during simulated alpine rescues are undocumented. Our hypothesis was that CSM recorded using MILS alone is non-inferior to CSM recorded with a CC according to a 10 degrees margin.
Methods A total of 32 alpine extrications and 4 downhill evacuations on different slope conditions were performed using a high fidelity mannequin designed with a motion sensors instrumented cervical spine. The primary outcome was the peak extrication 3D excursion angle (Peak 3D θEX,) of the mannequin’s head. The secondary objectives were to describe the time to extrication completion (tEX) and to highlight which extrication manipulation is more likely to induce CSM. Results The median Peak 3D θEX recorded during flat terrain extrications using CC was 10.77° (95% CI 7.31°–16.45°) compared to 13.06° (95% CI 10.20°–30.36°) using MILS, and 16.09° (95% CI 9.07°–37.43°) for CC versus 16.65° (95% CI 13.80°–23.40°) using MILS on a steep slope. Peak 3D θEX with CC or using MILS during extrications were equivalent according to a 10 degrees non-inferiority hypothesis testing (p < 0.05). Time to extrication completion (tEX) was significantly reduced using MILS without CC on a flat terrain with a median duration of 237,3 s (95% CI 197.8 s, 272.2 s) compared to 358.7 s (95% CI 324.1 s, 472.4 s). During downhill evacuations, CSM with and without CC across all terrain conditions were negligible (< 5°). When CC is used; its installation manipulation induces the highest CSM. When EXs are done using MILS without CC, the logroll initiation is the manipulation inducing the highest risk of CSM. Conclusion For experienced ski patrollers, the biomechanical benefits of spinal motion restriction provided by CC over MILS during alpine skiing rescues appear to be marginal and CC use negatively affects rescue time. Supplementary Information The online version contains supplementary material available at 10.1186/s13049-022-01031-3.
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Affiliation(s)
- Guillaume Grenier
- Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Marc-Antoine Despatis
- Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada
| | - Karina Lebel
- Faculty of Engineering, Department of Electrical and Computing Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada.,Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada
| | - Mathieu Hamel
- Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada
| | - Camille Martin
- Faculty of Engineering, Department of Electrical and Computing Engineering, Université de Sherbrooke, Sherbrooke, QC, Canada.,Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada
| | - Patrick Boissy
- Faculty of Medicine and Health Sciences, Department of Surgery, Université de Sherbrooke, Sherbrooke, QC, Canada. .,Research Center on Aging, CIUSSS Estrie CHUS, Sherbrooke, QC, Canada.
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Culhane J, Parr A, Mercier P. Accuracy of ct evaluation for cervical spine clearance in the ground level fall population - a retrospective cohort study. BMC Emerg Med 2022; 22:106. [PMID: 35690715 PMCID: PMC9188238 DOI: 10.1186/s12873-022-00657-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 05/23/2022] [Indexed: 11/17/2022] Open
Abstract
Background Clinically occult cervical spine (CS) injuries are well described in blunt trauma, however delay in identifying these injuries and clearing the CS can result in morbidity. Our study examines the ground level fall (GLF) population to analyze whether computed tomography (CT) alone can rule out unstable injury in this group with lower force mechanism. Methods This is a single center, retrospective cohort study. All GLF patients in the institutional trauma registry between 6/1/2012 through 12/31/2019 were included. These comprise all trauma patients evaluated in the emergency department with Injury Severity Score (ISS) > 0, including both activations and consults with both clinical and radiological spine evaluation. Patients who could not be cleared by National Emergency X-ray Utilization Study (NEXUS) criteria underwent CT. Patients with CT or clinical suspicion of cord or ligamentous injury underwent MRI. CT occult injuries were identified by MRI and clinical exam, with MRI identifying all unstable injuries. Results Sixty-nine (2.0%) of patients had CS injury without acute CT abnormality. Of these, 11 (0.3%) required surgery and were considered unstable. All patients who required surgery had a neurologic deficit. Negative predictive value (NPV) of CT for unstable CS injury was 99.7%. The combination of acute CT findings and neurologic deficit ruled out unstable CS injury with 100% NPV. Conclusion In the GLF population, CT alone rules out unstable CS injury with high, but not perfect NPV. The combination of absence of acute CT findings and acute neurologic deficits rules out unstable CS injury with 100% NPV. Supplementary information The online version contains supplementary material available at 10.1186/s12873-022-00657-x.
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Affiliation(s)
- John Culhane
- Saint Louis University School of Medicine, Saint Louis, MO, USA. .,Departments of Trauma and Neurosurgery, Saint Louis University, Saint Louis, MO, USA. .,Department of Surgery, Saint Louis University, 1008 Spring Ave, Saint Louis, MO, 63110, USA.
| | - Alan Parr
- Saint Louis University School of Medicine, Saint Louis, MO, USA.,Departments of Trauma and Neurosurgery, Saint Louis University, Saint Louis, MO, USA.,Department of Surgery, Saint Louis University, 1008 Spring Ave, Saint Louis, MO, 63110, USA
| | - Philippe Mercier
- Saint Louis University School of Medicine, Saint Louis, MO, USA.,Departments of Trauma and Neurosurgery, Saint Louis University, Saint Louis, MO, USA.,Department of Neurosurgery, Saint Louis University, 1008 Spring Ave, Saint Louis, MO, 63110, USA
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11
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Critical Care Management of Neurotrauma. Neurocrit Care 2022. [DOI: 10.1017/9781108907682.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Lee RP, Zhou NJ, Hidalgo J, Titsworth WL, Uribe-Cardenas R, Chowdhury R, Chun Y, Nasr I, Stewart FD, Sponseller P, Groves ML, Jackson EM. Weighing the Risk Profile of Cervical Spine MRI in Evaluating Pediatric Cervical Spine Injuries. Pediatr Neurosurg 2022; 57:314-322. [PMID: 35785766 PMCID: PMC9722570 DOI: 10.1159/000525863] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 06/29/2022] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Screening for cervical spine injury after blunt trauma is common, but there remains varied practice patterns and clinical uncertainty regarding adequate radiographic evaluation. An oft-cited downside of MRI is the added risk compared to CT in the pediatric population; however, these specific risks have not yet been reported. This study examines the risks of cervical spine MRI in pediatric trauma patients in the context of what value MRI adds. METHODS This was a retrospective observational study of all pediatric blunt trauma patients who were evaluated with a cervical spine MRI over a 4-year period at a level 1 pediatric trauma center. Clinical and radiographic data were abstracted, as well as anesthesia requirements and MRI-related major adverse events. CT and MRI results were compared for their ability to detect clinically unstable injuries - those requiring halo or surgery. RESULTS There was one major adverse event related to MRI among the 269 patients who underwent cervical spine MRI - a rate of 0.37%. While 55% of children had an airway and anesthesia for MRI, only 57% of these airways were newly placed for the MRI. None of the 85 patients newly intubated for MRI developed aspiration pneumonitis or ventilator-associated pneumonia, and no patients had a significant neurologic event while at MRI. Another area of the body was imaged concurrently with the cervical spine MRI in 64% of patients and 83% of MRIs were performed within 48 h. CT and MRI were both 100% sensitive for injuries requiring halo or operative intervention. Eighty-three patients had an MRI performed after a negative CT, 11% (9/83) of these patients had a clinically stable injury detected on subsequent MRI, and none of these patients presented for delayed cervical spine complications. CONCLUSIONS Overall, the safety profile of MRI in this setting is excellent and less than one-third of patients need new airway and anesthesia solely for MRI. In this clinical scenario, MRIs can happen relatively quickly and many patients require another body part to be imaged concurrently anyway. MRI and CT were both 100% sensitive for clinically unstable injuries. In the appropriate patients, MRI remains a safe and radiation-free alternative to CT.
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Affiliation(s)
- Ryan P Lee
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Nancy Jianing Zhou
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Joaquin Hidalgo
- North Mississippi Neurosurgical Services, Tupelo, Mississippi, USA
| | | | | | - Rahin Chowdhury
- School of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
| | - Young Chun
- Department of Surgery, Baylor College of Medicine, Houston, Texas, USA
| | - Isam Nasr
- Division of Pediatric Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - F Dylan Stewart
- Division of Pediatric Surgery, Department of Surgery, New York Medical College, Valhalla, New York, USA
| | - Paul Sponseller
- Division of Pediatric Orthopedics, Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Mari L Groves
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Eric M Jackson
- Division of Pediatric Neurosurgery, Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Chaudhary MJ, Canner JK, Haut ER. The Effect of the Eastern Association for the Surgery of Trauma Guideline on Spinal Magnetic Resonance Imaging Use in Obtunded Adult Blunt Trauma Patients Over Time. J Surg Res 2021; 270:58-67. [PMID: 34638094 DOI: 10.1016/j.jss.2021.08.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/27/2021] [Accepted: 08/27/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND Evidence-based guidelines suggest computed tomography without magnetic resonance imaging (MRI) is sufficient to rule out clinically significant cervical spine injury in obtunded adult blunt trauma patients. This study evaluated MRI utilization over time to investigate the impact of the 2015 Eastern Association for the Surgery of Trauma guidelines suggesting cervical collar clearance with computed tomography alone in this population. We hypothesized that MRI utilization would decrease following the guidelines. MATERIALS AND METHODS We performed a retrospective cross-sectional study of the National Trauma Data Bank from 2007 to 2018 using multivariable logistic regression of the likelihood of spinal MRI utilization. Blunt trauma patients 18 y and older with a Glasgow Coma Scale (GCS) of 8 or less, Abbreviated Injury Score head of 4 or greater, intubated for at least 72 h were included. RESULTS The sample consisted of 76,450 patients from 567 trauma centers. Controlling for age, gender, race/ethnicity, insurance status, injury mechanism, Injury Severity Score, GCS, GCS motor, hospital teaching status and trauma center level, patients seen after 2015 had a higher odds ratio (OR) of undergoing spinal MRI relative to those seen before 2015 (OR 1.77, 95% CI 1.49-2.09; P < 0.001). Each year was associated with a significantly increased OR of undergoing spinal MRI compared to the year prior (OR 1.10, 95% CI 1.05-1.15; P < 0.001). CONCLUSIONS Spinal MRI use has been increasing in obtunded adult blunt trauma patients including after the release of the Eastern Association for the Surgery of Trauma guidelines in 2015. Future work should identify whether this is driven by improper MRI utilization and, if so, strategies to promote guideline adherence.
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Affiliation(s)
- Mihir J Chaudhary
- Department of Surgery, University of California San Francisco - East Bay, Oakland, California
| | - Joseph K Canner
- Department of Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Elliott R Haut
- Department of Surgery, Division of Acute Care Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland; Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland; Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland; The Armstrong Institute for Patient Safety and Quality, Johns Hopkins Medicine, Baltimore, Maryland; Department of Health Policy and Management, The Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
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Okereke I, Mmerem K, Balasubramanian D. The Management of Cervical Spine Injuries - A Literature Review. Orthop Res Rev 2021; 13:151-162. [PMID: 34611449 PMCID: PMC8487293 DOI: 10.2147/orr.s324622] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 08/13/2021] [Indexed: 12/01/2022] Open
Abstract
Due to the inherent bony instability of the cervical spine, there is an over-reliance on ligamentous structures for stability, making this segment of the vertebral column most prone to traumatic injuries. The frequently occurring mechanisms of injury include axial compression, hyper-flexion, hyper-extension, and rotational type injuries. Good pre-hospital care and a thorough assessment in the emergency department of patients suspected to have a cervical spine injury (CSI) leads to improved clinical outcomes. The objective of the initial evaluation of a patient with a suspected CSI is to identify the presence of injuries through thorough clinical and radiologic assessments as missed injuries are potentially catastrophic. The treatment of cervical spine injuries can be conservative, pharmacological, or surgical, and aims to halt SCI progression, stabilize the spine, and to allow rehabilitation of the patient.
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Affiliation(s)
- Isaac Okereke
- Department of Trauma & Orthopaedics, The Royal London Hospital, London, UK
| | - Kingsley Mmerem
- Department of Trauma & Orthopaedics, The Royal London Hospital, London, UK
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Cushing CH, Holmes JF, Tyler KR. Cervical Spine Injuries in Older Patients with Falls Found on Magnetic Resonance Imaging After Computed Tomography. West J Emerg Med 2021; 22:1190-1195. [PMID: 34546897 PMCID: PMC8463044 DOI: 10.5811/westjem.2021.5.51844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 05/05/2021] [Indexed: 12/01/2022] Open
Abstract
Introduction In this study we aimed to determine the rate of traumatic abnormalities on cervical spine magnetic resonance imaging (MRI) after a normal cervical spine computed tomography (CT) in older patients with ground-level falls. We hypothesized that MRI is low yield following a normal physical examination and normal CT after a ground-level fall. Methods This was a retrospective cohort study of patients 65 years and older evaluated with a cervical spine MRI following a ground-level fall. Inclusion criteria included age 65 years and older, ground-level fall, normal cervical spine CT followed by a cervical spine MRI. We abstracted data following accepted methodologic guidelines. Patients with any focal neurological finding were considered to have an abnormal neurological examination. Imaging studies were considered to be abnormal if there was a report of an acute traumatic injury. The primary outcome was a traumatic abnormality identified on MRI. We described data with simple descriptive statistics. Results Eighty-seven patients with a median age of 74 (interquartile range [IQR] 69, 83]) years had an MRI following a normal cervical spine CT. Median emergency department length of stay was 8.2 hours (IQR 5.3, 13.5). Sixty-four (73.6%) patients had a normal neurological examination on arrival; eight of these patients (12.5% (95% confidence interval [CI], 5.6–23.2%) had an abnormal cervical spine MRI. Twenty-three patients (26.4%) had an abnormal neurological examination on arrival; two of these patients (8.7%, 95% CI, 1.1–28%) had an abnormal cervical spine MRI. Overall, 10 patients (11.5%) had an abnormal cervical spine MRI. One patient underwent operative intervention due to an unstable injury. Of the remaining nine patients with acute findings on cervical spine MRI, there were no other unstable injuries; two patients were managed with cervical orthosis, and seven patients had no additional management. Conclusion In this study of older patients with ground-level falls and normal, atraumatic, cervical spine CT, a small portion had traumatic abnormalities on MRI, with few requiring further intervention. Further study is required to identify criteria to determine when MRI should be performed in older patients after a ground-level fall.
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Affiliation(s)
- Corinne H Cushing
- University of California, Davis School of Medicine, Department of Emergency Medicine, Sacramento, California
| | - James F Holmes
- University of California, Davis School of Medicine, Department of Emergency Medicine, Sacramento, California
| | - Katren R Tyler
- University of California, Davis School of Medicine, Department of Emergency Medicine, Sacramento, California
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16
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Brooks CA, Dower A, Donnellan C, Donnellan M, Abraszko R. Computed tomography-occult discoligamentous instability following blunt cervical spine trauma. BMJ Case Rep 2021; 14:e244136. [PMID: 34433532 PMCID: PMC8388292 DOI: 10.1136/bcr-2021-244136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2021] [Indexed: 11/03/2022] Open
Abstract
Plain CT is routinely ordered following blunt trauma of the cervical spine, and performs well in the exclusion of significant bony injuries. MRI is reserved for cases of suspected neural or posterior ligamentous compromise, and when other imaging modalities are contraindicated. There are patients however, with unremarkable radiology, and without suggestive clinical features, who are later found to have significant discoligamentous instability. In this report, we present two such cases. In both instances, worsening neurological symptoms prompted follow-up imaging, that demonstrated interval development of sub-axial cervical spondylolisthesis, requiring surgery and instrumentation. We identify and discuss radiological features that may be associated with occult discoligamentous injury, and highlight them as avenues for future research. These may prove useful in stratifying at-risk patients for further imaging in the acute setting.
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Affiliation(s)
- Christopher Alan Brooks
- The School of Medicine, The University of Sydney, Sydney, New South Wales, Australia
- Neurosurgery, Concord Repatriation General Hospital, Concord, New South Wales, Australia
- Neurosurgery, Liverpool Hospital, Liverpool, New South Wales, Australia
| | - Ashraf Dower
- Neurosurgery, Liverpool Hospital, Liverpool, New South Wales, Australia
- Neurosurgery, Westmead Hospital, North Sydney, New South Wales, Australia
| | | | - Michael Donnellan
- Centre for Minimally Invasive Neurosurgery, Prince of Wales Private Hospital, Sydney, New South Wales, Australia
| | - Renata Abraszko
- Neurosurgery, Liverpool Hospital, Liverpool, New South Wales, Australia
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17
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Sutherland M, Bourne M, McKenney M, Elkbuli A. Utilization of computerized tomography and magnetic resonance imaging for diagnosis of traumatic C-Spine injuries at a level 1 trauma center: A retrospective Cohort analysis. Ann Med Surg (Lond) 2021; 68:102566. [PMID: 34336197 PMCID: PMC8318846 DOI: 10.1016/j.amsu.2021.102566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 10/26/2022] Open
Abstract
Background Computerized tomography (CT) is a common imaging modality for trauma patients, but there is debate regarding the role of magnetic resonance imaging (MRI) in cervical (C)-spine clearance. We aim to investigate the utilization of CT and MRI imaging in traumatic C-spine clearance and associated outcomes on patients who undergo both imaging modalities. Methods A 4-year retrospective review was performed to evaluate the trauma patient imaging algorithm at our institution. The algorithm required CT as a screening examination for traumatic injury patients who are unexaminable because of distracting injury, altered mental status, an abnormal neurological examination, and/or central neck pain. MRI was performed after CT in patients with C-spine injuries identified on CT, those who remained unexaminable, had an abnormal neurological examination, or experienced persistent central neck tenderness. Univariate analyses and adjusted multivariate logistic regression were performed with significance defined as p < 0.05. Results 805 patients were analyzed. Compared to MRI, CT had a sensitivity of 50.2%, specificity of 76.6%, positive predictive value of 69.7%, and negative predictive value of 59.0% in detecting C-spine injuries. CT and MRI differed significantly in their ability to detect C-spine soft tissue injuries and C1 vertebral fractures (p < 0.05). Conclusions MRI is more capable of detecting soft tissue injuries whereas CT is superior in detecting vertebral fractures. Our findings support the need to utilize CT and MRI in conjunction to detect both bony and soft tissue C-spine injuries in traumatically injured patients, who are either unexaminable, have an abnormal neurologic examination, or ongoing central neck tenderness.
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Affiliation(s)
- Mason Sutherland
- Department of Surgery, Division of Trauma and Surgical Critical Care, Kendall Regional Medical Center, Miami, FL, USA
| | - Mitchell Bourne
- Department of Surgery, Division of Trauma and Surgical Critical Care, Kendall Regional Medical Center, Miami, FL, USA
| | - Mark McKenney
- Department of Surgery, Division of Trauma and Surgical Critical Care, Kendall Regional Medical Center, Miami, FL, USA.,Department of Surgery, University of South Florida, Tampa, FL, USA
| | - Adel Elkbuli
- Department of Surgery, Division of Trauma and Surgical Critical Care, Kendall Regional Medical Center, Miami, FL, USA
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18
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Endler CH, Ginzburg D, Isaak A, Faron A, Mesropyan N, Kuetting D, Pieper CC, Kupczyk PA, Attenberger UI, Luetkens JA. Diagnostic Benefit of MRI for Exclusion of Ligamentous Injury in Patients with Lateral Atlantodental Interval Asymmetry at Initial Trauma CT. Radiology 2021; 300:633-640. [PMID: 34184931 DOI: 10.1148/radiol.2021204187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Background Cervical spine CT is regularly performed to exclude cervical spine injury during the initial evaluation of trauma patients. Patients with asymmetry of the lateral atlantodental interval (LADI) often undergo subsequent MRI to rule out ligamentous injuries. The clinical relevance of an asymmetric LADI and the benefit of additional MRI remain unclear. Purpose To evaluate the diagnostic benefit of additional MRI in patients with blunt trauma who have asymmetry of the LADI and no other cervical injuries. Materials and Methods Patients who underwent cervical spine CT during initial trauma evaluation between March 2017 and August 2019 were retrospectively evaluated. Those who underwent subsequent MRI because of LADI asymmetry of 1 mm or greater with no other signs of cervical injury were identified and reevaluated by two readers blinded to clinical data and initial study reports regarding possible ligamentous injuries. Results Among 1553 patients, 146 (9%) had LADI asymmetry of 1 mm or greater. Of these, 46 patients (mean age ± standard deviation, 39 years ± 22; 28 men; median LADI asymmetry, 2.4 mm [interquartile range, 1.8-3.1 mm]) underwent supplementary MRI with no other signs of cervical injury at initial CT. Ten of the 46 patients (22%) showed cervical tenderness at clinical examination, and 36 patients (78%) were asymptomatic. In two of the 46 patients (4%), MRI revealed alar ligament injury; both of these patients showed LADI asymmetry greater than 3 mm, along with cervical tenderness at clinical examination, and underwent treatment for ligamentous injury. In 13 of the 46 patients (28%), signal intensity alterations of alar ligaments without signs of rupture were observed. Four of these 13 patients (31%) were subsequently treated for ligamentous injury despite being asymptomatic. Conclusion Subsequent MRI following CT of the cervical spine in trauma patients with lateral atlantodental interval asymmetry may have diagnostic benefit only in symptomatic patients. In asymptomatic patients without proven cervical injuries, subsequent MRI showed no diagnostic benefit and may even lead to overtreatment. © RSNA, 2021 Online supplemental material is available for this article.
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Affiliation(s)
- Christoph H Endler
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Daniel Ginzburg
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Alexander Isaak
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Anton Faron
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Narine Mesropyan
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Daniel Kuetting
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Claus C Pieper
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Patrick A Kupczyk
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Ulrike I Attenberger
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
| | - Julian A Luetkens
- From the Department of Diagnostic and Interventional Radiology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany (C.H.E., D.G., A.I., A.F., N.M., D.K., C.C.P., P.A.K., U.I.A., J.A.L.); and Quantitative Imaging Laboratory Bonn (QILaB), Bonn, Germany (C.H.E., A.I., A.F., N.M., D.K., P.A.K., J.A.L.)
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19
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Clare D, Zink KL. Geriatric Trauma. Emerg Med Clin North Am 2021; 39:257-271. [PMID: 33863458 DOI: 10.1016/j.emc.2021.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Geriatric trauma patients will continue to increase in prevalence as the population ages, and many specific considerations need to be made to provide appropriate care to these patients. This article outlines common presentations of trauma in geriatric patients, with consideration to baseline physiologic function and patterns of injury that may be more prevalent in geriatric populations. Additionally, the article explores specific evidence-based management practices, the significance of trauma team and geriatrician involvement, and disposition decisions.
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Affiliation(s)
- Drew Clare
- Department of Emergency Medicine, University of Florida, 655 W 8th st, Jacksonville, FL 32209, USA.
| | - Korie L Zink
- Johns Hopkins University, 1830 E. Monument St, St 6-100, Baltimore, MD 21224, USA. https://twitter.com/koriezinkmd
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20
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Wilson C, Hoyos M, Huh A, Priddy B, Avila S, Mendenhall S, Anokwute MC, Eckert GJ, Stockwell DW. Institutional review of the management of type II odontoid fractures: associations and outcomes with fibrous union. J Neurosurg Spine 2021; 34:623-631. [PMID: 33482645 DOI: 10.3171/2020.8.spine20860] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 08/11/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Type II odontoid fractures may be managed operatively or nonoperatively. If managed with bracing, bony union may never occur despite stability. This phenomenon is termed fibrous union. The authors aimed to determine associations with stable fibrous union and compare the morbidity of patients managed operatively and nonoperatively. METHODS The authors performed a retrospective review of their spine trauma database for adults with type II odontoid fractures between 2015 and 2019. Two-sample t-tests and Fisher's exact tests identified associations with follow-up stability and were used to compare operative and nonoperative outcomes. Sensitivity, specificity, and predictive values were calculated to validate initial stable upright cervical radiographs related to follow-up stability. RESULTS Among 88 patients, 10% received upfront surgical fixation, and 90% were managed nonoperatively, of whom 22% had fracture instability on follow-up. Associations with instability after nonoperative management include myelopathy (OR 0.04, 95% CI 0.0-0.92), cerebrovascular disease (OR 0.23, 95% CI 0.06-1.0), and dens displacement ≥ 2 mm (OR 0.29, 95% CI 0.07-1.0). Advanced age was not associated with follow-up instability. Initial stability on upright radiographs was associated with stability on follow-up (OR 4.29, 95% CI 1.0-18) with excellent sensitivity and positive predictive value (sensitivity 89%, specificity 35%, positive predictive value 83%, and negative predictive value 46%). The overall complication rate and respiratory failure requiring ventilation on individual complication analysis were more common in operatively managed patients (33% vs 3%, respectively; p = 0.007), even though they were generally younger and healthier than those managed nonoperatively. Operative or nonoperative management conferred no difference in length of hospital or ICU stay, discharge disposition, or mortality. CONCLUSIONS The authors delineate the validity of upright cervical radiographs on presentation in association with follow-up stability in type II odontoid fractures. In their experience, factors associated with instability included cervical myelopathy, cerebrovascular disease, and fracture displacement but not increased age. Operatively managed patients had higher complication rates than those managed without surgery. Fibrous union, which can occur with nonoperative management, provided adequate stability.
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Affiliation(s)
| | | | | | | | | | | | | | - George J Eckert
- 2Biostatistics, Indiana University School of Medicine, Indianapolis, Indiana
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21
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Jalilvand A, Velmahos G, Baugh C, Schoenfeld A, Harris M, Khurana B. Impact of MRI to clear the cervical spine after a negative CT for suspected spine trauma. Emerg Radiol 2021; 28:729-734. [PMID: 33580849 DOI: 10.1007/s10140-021-01898-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 01/08/2021] [Indexed: 10/22/2022]
Abstract
PURPOSE To describe the clinical presentation of trauma patients receiving a negative cervical spine MRI (CSMRI) after cervical spine CT (CSCT) without acute findings and calculate the associated costs. METHODS Our cohort consisted of 55 retrospectively reviewed consecutive trauma patients with CSMRI performed between October 2016 and March 2020, who had negative CSCT within 7 days of CSMRI and no other clinically significant injuries. Our outcome was the cost related to CSMRI, estimated by CSMRI charges and the charges related to additional hours of prolonged hospital stay from CT until MRI. RESULTS The most common presenting mechanisms of injury were fall from standing (20/55, 36%), followed by motor vehicle accident (18, 33%). Indications for CSMRI included persistent neck pain (32/55, 58%), followed by recommendation from the radiologist (12, 22%), and neurological symptoms concerning for spine injury (9, 16%). An average of 11.2 h (median: 8.5, range: 0.2-25.4 h) passed from CSCT to CSMRI. Fifty-four (98%) of the CSMRI exams were completed within 24 h of the CSCT. The Medicare reimbursement for non-contrast CSMRI is $309 with the average cost for waiting in ED observation of $907. The total cost of CSMRI and associated wait time ranged from $325 to $2366 with an average of $1216 per patient. CONCLUSIONS The cost of negative CSMRI following a negative CSCT for cervical spine clearance in trauma patients without other significant injury is substantial. The length of time that trauma patients remain in observation in the cervical collar prior to the finalized MRI exam is not only distressing to the patient but also adds costs to health care systems in both time and resources.
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Affiliation(s)
- Aryan Jalilvand
- Department of Radiology, Brigham and Women's Hospital, MA, Boston, USA.
| | - George Velmahos
- Department of Surgery, Massachusettes General Hospital, MA, Boston, USA
| | - Christopher Baugh
- Department of Emergency Medicine Brigham and Women's Hospital , MA, Boston, USA
| | - Andrew Schoenfeld
- Department of Orthopedic Surgery Brigham and Women's Hospital, MA, Boston, USA
| | - Mitchel Harris
- Department of Orthopedic Surgery, Massachusetts General Hospital, MA, Boston, USA
| | - Bharti Khurana
- Trauma Imaging Research and Innovation Center Brigham and Women's Hospital Department of Radiology Brigham and Women's Hospital, MA, Boston, USA
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Garg B, Ahuja K. C-spine clearance in poly-trauma patients: A narrative review. J Clin Orthop Trauma 2021; 12:66-71. [PMID: 33716430 PMCID: PMC7920196 DOI: 10.1016/j.jcot.2020.10.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/08/2020] [Accepted: 10/12/2020] [Indexed: 11/26/2022] Open
Abstract
The incidence of cervical spine injury in patients with polytrauma is 3.7%. Early identification and management of cervical spine injuries in these patients play a crucial role in preventing secondary cervical spine and cord injuries. C-spine clearance assumes a pivotal role in reducing the morbidity and mortality associated with cervical spine injury. Despite the availability of various validated management algorithms and protocols for C-spine clearance, there are several controversies regarding C-spine clearance, such as the ideal protocol and imaging modality, clearance of obtunded patients and management of patients that lie out of the described protocols and rules. The current article aims to provide a comprehensive review of the relevant literature and address the prevalent controversies.
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Affiliation(s)
- Bhavuk Garg
- Department of Orthopaedic Surgery, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
| | - Kaustubh Ahuja
- Department of Orthopaedic Surgery, All India Institute of Medical Sciences, Rishikesh, 249203, Uttarakhand, India
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23
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Cervical Spine Clearance in Trauma Patients with an Unreliable Physical Examination. World J Surg 2020; 44:1113-1120. [PMID: 31802188 DOI: 10.1007/s00268-019-05307-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND The objective of this study was to describe and compare the timing of cervical spine clearance in trauma patients with an unreliable physical examination. METHODS We prospectively included adult trauma patients admitted with a cervical collar and an unreliable clinical examination (as defined by the NEXUS criteria) at two level 1 trauma centers: one in the USA (US) and one in Denmark (DK). We excluded patients with cervical spine injuries requiring a collar or surgery as treatment and patients with a collar placed after hospital arrival. The primary outcome was time from emergency department (ED) arrival to collar removal. Secondary outcomes included time to CT of the cervical spine (CTCS). At the US trauma center, an institutional protocol allowing cervical spine clearance exclusively by CTCS was in place. At the Danish trauma center, cervical spine clearance was based on a clinical evaluation by an orthopedic surgeon, usually after CTCS. RESULTS A total of 113 patients were included (US: n = 56; DK: n = 57). The median age was 47 years, and 68% were males. The main reasons for an unreliable physical examination were a Glasgow Coma Scale score below 14 (35%), distracting injuries (26%), cervical spine tenderness (13%) and intoxication (13%). The injury severity score at the US trauma center was higher than at the DK trauma center (median: 17 vs. 11, p = 0.03). Both time to CTCS (median: 41 vs. 18 min, p < 0.0001) and time to collar removal (median: 1042 vs. 49 min, p < 0.0001) were significantly greater at the US trauma center. CONCLUSIONS Time to collar removal was significantly greater in a trauma center utilizing a cervical spine clearance protocol based on CTCS. As patients may develop complications related to the collar, future studies should clarify how early removal can be implemented without increasing the risk of morbidity.
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24
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Promlek K, Currey J, Damkliang J, Considine J. Evidence-practice gaps in initial neuro-protective nursing care: A mixed methods study of Thai patients with moderate or severe traumatic brain injury. Int J Nurs Pract 2020; 27:e12899. [PMID: 33300208 DOI: 10.1111/ijn.12899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 06/10/2020] [Accepted: 10/26/2020] [Indexed: 11/27/2022]
Abstract
AIMS This paper aims to identify the frequency and nature of evidence-practice gaps in the initial neuro-protective nursing care of patients with moderate or severe traumatic brain injury provided by Thai trauma nurses. BACKGROUND Little is known about how Thai trauma nurses use evidence-based practice when providing initial neuro-protective nursing care to patients with moderate or severe traumatic brain injury. DESIGN A mixed methods design was used to conduct this study. METHODS Data were collected from January to March 2017 using observations and audits of the clinical care of 22 patients by 35 nurses during the first 4 h of admission to trauma ward. The study site was a regional hospital in Southern Thailand. RESULTS The major evidence-practice gaps identified were related to oxygen and carbon dioxide monitoring and targets, mean arterial pressure and systolic blood pressure targets and management of increased intracranial pressure through patient positioning and pain and agitation management. CONCLUSION There were evidence-practice gaps in initial neuro-protective nursing care provided by Thai trauma nurses that need to be addressed to improve the safety and quality of care for Thai patients with moderate or severe traumatic brain injury.
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Affiliation(s)
- Kesorn Promlek
- School of Nursing and Midwifery, Centre for Quality and Patient Safety Research, Institute for Health Transformation, Deakin University Geelong, Geelong, Australia.,Faculty of Nursing, Prince of Songkla University, Hat Yai, Thailand
| | - Judy Currey
- School of Nursing and Midwifery, Centre for Quality and Patient Safety Research, Institute for Health Transformation, Deakin University Geelong, Geelong, Australia
| | | | - Julie Considine
- School of Nursing and Midwifery, Centre for Quality and Patient Safety Research, Institute for Health Transformation, Deakin University Geelong, Geelong, Australia.,Centre for Quality and Patient Safety Research-Eastern Health Partnership, Box Hill, Victoria, Australia
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25
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Sjeklocha L, Gatz JD. Traumatic Injuries to the Spinal Cord and Peripheral Nervous System. Emerg Med Clin North Am 2020; 39:1-28. [PMID: 33218651 DOI: 10.1016/j.emc.2020.09.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Both blunt and penetrating trauma can cause injuries to the peripheral and central nervous systems. Emergency providers must maintain a high index of suspicion, especially in the setting of polytrauma. There are 2 major classifications of peripheral nerve injuries (PNIs). Some PNIs are classically associated with certain traumatic mechanisms. Most closed PNIs are managed conservatively, whereas sharp nerve transections require specialist consultation for urgent repair. Spinal cord injuries almost universally require computed tomography imaging; some require emergent magnetic resonance imaging. Providers should work to minimize secondary injury. Surgical specialists are needed for closed reduction, surgical decompression, or stabilization.
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Affiliation(s)
- Lucas Sjeklocha
- R Adams Cowley Shock Trauma Center, 22 South Greene Street, Room S4D03, Baltimore, MD 21201, USA
| | - J David Gatz
- Department of Emergency Medicine, University of Maryland School of Medicine, 110 South Paca Street, 6th Floor, Suite 200, Baltimore, MD 21201, USA.
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26
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Huang R, Ryu RC, Kim TT, Alban RF, Margulies DR, Ley EJ, Barmparas G. Is magnetic resonance imaging becoming the new computed tomography for cervical spine clearance? Trends in magnetic resonance imaging utilization at a Level I trauma center. J Trauma Acute Care Surg 2020; 89:365-370. [PMID: 32744833 DOI: 10.1097/ta.0000000000002752] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Increasing evidence supports the limited use of magnetic resonance imaging (MRI) for cervical spine (C-spine) clearance following blunt trauma. We sought to characterize the utilization of MRI of the C-spine at a Level I trauma center. METHODS All blunt trauma patients undergoing a computed tomography (CT) of the C-spine between January 2009 and December 2018 were reviewed. The CT and MRI results, demographics, clinical presentation, subspecialty consultations, and interventions were recorded. The MRI results were considered clinically significant if they resulted in cervical thoracic orthosis/halo placement or surgical intervention. Linear regression models were utilized to identify trends. RESULTS There were 9,101 patients that underwent a CT of the C-spine, with 513 (5.6%) being positive for an acute injury. MRI was obtained for 375 (4.1%) of patients. A linear increase in the proportion of patients undergoing an MRI was noted, from 0.9% in 2009 to 5.6% in 2018 (p < 0.01). Of the 513 patients with a positive CT, 290 (56.5%) had an MRI. In 40 (13.8%) of them, the CT demonstrated a minor injury. Clinically significant MRI findings were noted only in two (5.0%) of the 40 patients, and both had a neurologic deficit on initial examination. Of the 8,588 patients with a negative CT, 85 (1.0%) underwent an MRI. Of those, 9 (10.6%) had a clinically significant MRI with all but one presenting with a neurological deficit. CONCLUSION MRI is increasingly utilized for C-spine clearance following blunt trauma. MRI was exceedingly unlikely to demonstrate a clinically significant finding in the absence of a neurological deficit, when the CT was negative or included minor injuries. Trauma centers are encouraged to constantly evaluate their own practices and intervene with education and collaboration to limit the excessive use of unnecessary resources. LEVEL OF EVIDENCE Therapeutic/Care Management Study, Level III or IV. Diagnostic test, level IV.
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Affiliation(s)
- Raymond Huang
- From the Division of Acute Care Surgery and Surgical Critical Care, Department of Surgery (R.H., R.F.A., D.R.M., E.J.L., G.B.), and Department of Orthopedics (R.C.R., T.T.K.), Cedars-Sinai Medical Center, Los Angeles, California
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Eastern Association for the Surgery of Trauma (EAST) practice management guidelines and the perpetual quest for excellence. J Trauma Acute Care Surg 2020; 89:1-10. [PMID: 32251261 DOI: 10.1097/ta.0000000000002709] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Souslian FG, Patel PD, Elsherif MA. Atlanto-occipital Dissociation in the Setting of Relatively Normal Radiologic Findings. World Neurosurg 2020; 143:405-411. [PMID: 32763369 DOI: 10.1016/j.wneu.2020.07.214] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/26/2020] [Accepted: 07/28/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND Craniocervical junction (CCJ) dislocations are often fatal. Atlanto-occipital dissociation can be challenging to diagnose, especially in patients who present with absent or subtle radiologic signs. CASE DESCRIPTION A neurologically intact 37-year-old patient presented to the hospital following a high-speed motor vehicle accident. Initial computed tomography scans showed normal CCJ anatomy, but magnetic resonance imaging (MRI) of the CCJ was performed to further evaluate perimesencephalic subarachnoid hemorrhage. MRI revealed partial disruption of the anterior atlantoaxial membrane and tectorial membrane as well as complete disruption of the posterior atlanto-occipital membrane, ligamentum flavum, and apical ligament, signifying atlanto-occipital dissociation. Halo spinal immobilization was performed in preparation for stabilization with posterior occipitocervical fusion; however, the CCJ distracted widely during surgery owing to the accident-related dislocation, signifying an unstable fracture. Posterolateral fusion was performed, and the distraction injury was corrected via posterior surgical instrumentation. CONCLUSIONS Normal occiput-C1 craniometric parameters in the setting of unexplained perimesencephalic subarachnoid hemorrhage does not eliminate the possibility of missed or delayed diagnosis of traumatic atlanto-occipital dissociation injuries. Cervical MRI without contrast should be considered in patients with vertebral artery dissection or perimesencephalic subarachnoid hemorrhage after a blunt injury with neck pain. When MRI shows evidence of disruption of ≥2 atlanto-occipital ligaments, surgical stabilization should be considered, as these are clinically very unstable injuries.
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Affiliation(s)
- Fotis G Souslian
- Department of Neurologic Surgery, Regions Hospital, Saint Paul, Minnesota, USA; Department of Neurological Surgery, Neurosurgery One, Saint Anthony Hospital, Denver, Colorado, USA.
| | - Puja D Patel
- Department of Neuroscience, University of Southern California, Los Angeles, California, USA
| | - Mohamed A Elsherif
- Department of Neurologic Surgery, Hamad Medical Corporation, Doha, Qatar; Department of Neurologic Surgery, Tanta University Hospitals, Tanta, Egypt
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Prevertebral Soft-Tissue Swelling at C7 Is Highly Sensitive for Cervical Spine Ligamentous Injury Study Type: Retrospective Cohort Study. JOURNAL OF THE AMERICAN ACADEMY OF ORTHOPAEDIC SURGEONS GLOBAL RESEARCH AND REVIEWS 2020; 4:JAAOSGlobal-D-19-00093. [PMID: 32377612 PMCID: PMC7188264 DOI: 10.5435/jaaosglobal-d-19-00093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 02/24/2020] [Indexed: 12/02/2022]
Abstract
To determine the diagnostic potential of prevertebral soft-tissue (PVST) swelling in cervical spine ligamentous injury (LI).
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Abstract
No definite consensus exists for the clearance of the cervical spine (C-spine)
after blunt trauma, despite many validated algorithms, recommendations and
guidelines. We intend to answer the most relevant questions with which physicians
are confronted when clearing C-spines after blunt trauma in emergency departments
(EDs). To exclude significant C-spine injuries we designed an algorithm to be
compatible with clinical practice, to simplify patient management and avoid
unrewarding evaluation. We conducted an exploratory PubMed search including articles published from January
2000 to October 2018. Keywords used were “cervical spine”,
“injury”, “clearance”, “Canadian C-spine
Rule”, “CCR” and “national emergency x-radiography
utilization study”. Clinical and experimental studies were included in a
detailed review. We based our literature review on 33 articles. While answering fundamental triage
questions from daily clinical practice, the current literature is discussed in
detail. We designed an algorithm for the C-spine clearance suitable for any trauma
centre with a high-quality multiplanar reconstruction computerized tomography (CT)
scan continuously available. The high sensitivity of the Canadian C-spine Rule (CCR) prevents missing C-spine
injuries while limiting the amount of unnecessary radiologic examinations. Plain
radiographs were fully abandoned for C-spine clearance. A negative CT scan is
sufficient to clear the majority of C-spine injuries and allows for collar removal.
In case of motor symptoms or radio-clinical discrepancy, the advice of a specialized
spine surgeon must be requested. Magnetic resonance imaging must not be routinely
used. Neck pain despite negative imaging is not a reason to delay removal of stiff
cervical collars.
Cite this article: EFORT Open Rev 2020;5:253-259. DOI:
10.1302/2058-5241.5.190047
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Affiliation(s)
- Michaël Moeri
- Division of Orthopaedic and Trauma Surgery, Geneva University Hospitals, Switzerland
| | - Dominique A Rothenfluh
- Oxford University Hospitals NHS Foundation Trust, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, UK
| | - Christoph J Laux
- Division of Orthopaedic and Trauma Surgery, Geneva University Hospitals, Switzerland
| | - Dennis E Dominguez
- Division of Orthopaedic and Trauma Surgery, Geneva University Hospitals, Switzerland.,Oxford University Hospitals NHS Foundation Trust, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, UK
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Comment on "Guideline Assessment Project: Filling the GAP in Surgical Guidelines: Quality Improvement Initiative by an International Working Group". Ann Surg 2020; 270:e125-e126. [PMID: 31726642 DOI: 10.1097/sla.0000000000003321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Western Trauma Association critical decisions in trauma: Cervical spine clearance in trauma patients. J Trauma Acute Care Surg 2020; 88:352-354. [PMID: 31688829 DOI: 10.1097/ta.0000000000002520] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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P Ho V, A Dicker R, Haut ER. Dissemination, implementation, and de-implementation: the trauma perspective. Trauma Surg Acute Care Open 2020; 5:e000423. [PMID: 32154382 PMCID: PMC7046940 DOI: 10.1136/tsaco-2019-000423] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 12/05/2019] [Indexed: 12/20/2022] Open
Affiliation(s)
- Vanessa P Ho
- Departments of Surgery and Population and Quantitative Health Sciences, MetroHealth Medical Center, Cleveland, Ohio, USA
| | - Rochelle A Dicker
- Department of Surgery, David Geffen School of Medicine, Los Angeles, California, USA
| | - Elliott R Haut
- Departments of Surgery, Anesthesiology and Critical Care Medicine, and Emergency Medicine, Johns Hopkins Medicine, Baltimore, Maryland, USA.,Department of Health Policy and Management, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
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Overmann KM, Robinson BRH, Eckman MH. Cervical spine evaluation in pediatric trauma: A cost-effectiveness analysis. Am J Emerg Med 2019; 38:2347-2355. [PMID: 31870674 DOI: 10.1016/j.ajem.2019.11.051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 11/26/2019] [Accepted: 11/30/2019] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVE The emergent evaluation of children with suspected traumatic cervical spine injuries (CSI) remains a challenge. Pediatric clinical pathways have been developed to stratify the risk of CSI and guide computed tomography (CT) utilization. The cost-effectiveness of their application has not been evaluated. Our objective was to examine the cost-effectiveness of three common strategies for the evaluation of children with suspected CSI after blunt injury. METHODS We developed a decision analytic model comparing these strategies to estimate clinical outcomes and costs for a hypothetical population of 0-17 year old patients with blunt neck trauma. Strategies included: 1) clinical pathway to stratify risk using NEXUS criteria and determine need for diagnostic testing; 2) screening radiographs as a first diagnostic; and 3) immediate CT scanning for all patients. We measured effectiveness with quality-adjusted life years (QALYs), and costs with 2018 U.S. dollars. Costs and effectiveness were discounted at 3% per year. RESULTS The use of the clinical pathway results in a gain of 0.04 QALYs and a cost saving of $2800 compared with immediate CT scanning of all patients. Use of the clinical pathway was less costly and more effective than immediate CT scan as long as the sensitivity of the clinical prediction rule was greater than 87% and when the sensitivity of x-ray was greater than 84%. CONCLUSION A strategy using a clinical pathway to first stratify risk before further diagnostic testing was less costly and more effective than either performing CT scanning or screening cervical radiographs on all patients.
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Affiliation(s)
- Kevin M Overmann
- Department of Pediatrics, University of Cincinnati College of Medicine, 3230 Eden Ave, Cincinnati, OH, USA; Division of Emergency Medicine, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH, USA.
| | - Bryce R H Robinson
- Department of Surgery, University of Washington School of Medicine, Harborview Medical Center, Seattle, 325 Ninth Ave, Seattle, WA, USA.
| | - Mark H Eckman
- Department of Internal Medicine, University of Cincinnati College of Medicine, 3230 Eden Ave, Cincinnati, OH, USA.
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Appropriateness of Imaging in Suspected Spine Trauma. J Am Coll Radiol 2019; 16:1513-1514. [DOI: 10.1016/j.jacr.2019.07.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 07/24/2019] [Accepted: 07/26/2019] [Indexed: 11/18/2022]
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Wu X, Malhotra A, Geng B, Kalra VB, Abbed K, Forman HP, Sanelli P. Cost-effectiveness of Magnetic Resonance Imaging in Cervical Clearance of Obtunded Blunt Trauma After a Normal Computed Tomographic Finding. JAMA Surg 2019. [PMID: 29541757 DOI: 10.1001/jamasurg.2018.0099] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Importance Magnetic resonance imaging (MRI) continues to be performed for cervical clearance of obtunded blunt trauma, despite poor evidence regarding its utility after a normal computed tomographic (CT) finding. Objective To evaluate the utility and cost-effectiveness of MRI vs no follow-up after a normal cervical CT finding in patients with obtunded blunt trauma. Design, Setting and Participants This cost-effectiveness analysis evaluated an average patient aged 40 years with blunt trauma from an institutional practice. The analysis used a Markov decision model over a lifetime horizon from a societal perspective with variables from systematic reviews and meta-analyses and reimbursement rates from the Centers for Medicare & Medicaid Services, National Spinal Cord Injury Database, and other large published studies. Data were collected from the most recent literature available. Interventions No follow-up vs MRI follow-up after a normal cervical CT finding. Results In the base case of a 40-year-old patient, the cost of MRI follow-up was $14 185 with a health benefit of 24.02 quality-adjusted life-years (QALY); the cost of no follow-up was $1059 with a health benefit of 24.11 QALY, and thus no follow-up was the dominant strategy. Probabilistic sensitivity analysis showed no follow-up to be the better strategy in all 10 000 iterations. No follow-up was the better strategy when the negative predictive value of the initial CT was relatively high (>98%) or the risk of an injury treated with a cervical collar turning into a permanent neurologic deficit was higher than 25% or when the risk of a missed injury turning into a neurologic deficit was less than 58%. The sensitivity and specificity of MRI were varied simultaneously in a 2-way sensitivity analysis, and no follow-up remained the optimal strategy. Conclusions and Relevance Magnetic resonance imaging had a lower health benefit and a higher cost compared with no follow-up after a normal CT finding in patients with obtunded blunt trauma to the cervical spine, a finding that does not support the use of MRI in this group of patients. The conclusion is robust in sensitivity analyses varying key variables in the model. More literature on these key variables is needed before MRI can be considered to be beneficial in the evaluation of obtunded blunt trauma.
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Affiliation(s)
- Xiao Wu
- currently a medical student at Yale School of Medicine, New Haven, Connecticut
| | - Ajay Malhotra
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut
| | - Bertie Geng
- currently a medical student at Yale School of Medicine, New Haven, Connecticut
| | - Vivek B Kalra
- Department of Radiology, Orlando Health, Orlando, Florida
| | - Khalid Abbed
- Department of Neurosurgery, Yale School of Medicine, New Haven, Connecticut
| | - Howard P Forman
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, Connecticut.,Department of Economics, Yale School of Medicine, New Haven, Connecticut.,Department of Management, Yale School of Medicine, New Haven, Connecticut.,Department of Public Health, Yale School of Medicine, New Haven, Connecticut
| | - Pina Sanelli
- Department of Radiology, Northwell Health, Manhasset, New York
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Patel MB, Como JJ, Haut ER. The Devil Is in the Details When Removing Cervical Collars After Blunt Trauma. JAMA Surg 2019. [PMID: 29541768 DOI: 10.1001/jamasurg.2018.0086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Mayur B Patel
- Vanderbilt University Medical Center, Nashville, Tennessee.,Surgical Service and Geriatric Research, Veterans Affairs Tennessee Valley Healthcare System, Nashville VA Medical Center, Nashville
| | - John J Como
- Division of Trauma, Critical Care, Burns, and Acute Care Surgery, Department of Surgery, MetroHealth Medical Center, Cleveland, Ohio
| | - Elliott R Haut
- Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
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38
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Abstract
Following a blunt trauma, the goal of the cervical spine evaluation is to identify any injuries that might require active management: either through continued use of a collar or surgical stabilization. This is achieved through a step-wise approach that considers the nature of the patient's trauma, presenting complaints, distracting injuries and capacity to cooperate with the examination. In the last 15 to 20 years, technological advances in radiographic imaging have improved clinicians' abilities to certify the cervical spine as free of injury following blunt trauma. Within the last decade, the use of CT has supplanted plain radiograph imaging as the standard screening modality. Although MRI is more sensitive than CT in identifying occult cervical injury, particularly ligamentous or soft-tissue trauma, the standard addition of MRI to CT evaluation alone does not significantly increase the detection of clinically important cervical injuries.
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Maschmann C, Jeppesen E, Rubin MA, Barfod C. New clinical guidelines on the spinal stabilisation of adult trauma patients - consensus and evidence based. Scand J Trauma Resusc Emerg Med 2019; 27:77. [PMID: 31426850 PMCID: PMC6700785 DOI: 10.1186/s13049-019-0655-x] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 08/06/2019] [Indexed: 12/13/2022] Open
Abstract
Traumatic spinal cord injury is a relatively rare injury in Denmark but may result in serious neurological consequences. For decades, prehospital spinal stabilisation with a rigid cervical collar and a hard backboard has been considered to be the most appropriate procedure to prevent secondary spinal cord injuries during patient transportation. However, the procedure has been questioned in recent years, due to the lack of high-quality studies supporting its efficacy. A national interdisciplinary task force was therefore established to provide updated clinical guidelines on prehospital procedures for spinal stabilisation of adult trauma patients in Denmark. The guidelines are based on a systematic review of the literature and grading of the evidence, in addition to a standardised consensus process.This process yielded five main recommendations:A strong recommendation against spinal stabilisation of patients with isolated penetrating trauma; a weak recommendation against the prehospital use of a rigid cervical collar and a hard backboard for ABCDE-stable patients; and a weak recommendation for the use of a vacuum mattress for patient transportation. Finally, our group recommends the use of our clinical algorithm to ensure good clinical practice.
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Affiliation(s)
- Christian Maschmann
- Emergency Department, Copenhagen University Hospital Bispebjerg, Copenhagen, Denmark
- Department of Anesthesiology, Copenhagen University Hospital Bispebjerg, Copenhagen, Denmark
- Emergency Medical Services Copenhagen, University Copenhagen, Copenhagen, Denmark
| | - Elisabeth Jeppesen
- Norwegian Trauma Registry, Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway
- Faculty of Health Science, University of Stavanger, Stavanger, Norway
| | - Monika Afzali Rubin
- Cochrane Anesthesia & Cochrane Critical and Emergency Care Group, Copenhagen, Denmark
- Department of Anesthesiology, Copenhagen University Hospital Herlev, Copenhagen, Denmark
| | - Charlotte Barfod
- Emergency Medical Services Copenhagen, University Copenhagen, Copenhagen, Denmark
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40
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The utility of magnetic resonance imaging in pediatric trauma patients suspected of having cervical spine injuries. J Trauma Acute Care Surg 2019; 87:1328-1335. [DOI: 10.1097/ta.0000000000002487] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Albaghdadi A, Leeds IL, Florecki KL, Canner JK, Schneider EB, Sakran JV, Haut ER. Variation in the use of MRI for cervical spine clearance: an opportunity to simultaneously improve clinical care and decrease cost. Trauma Surg Acute Care Open 2019; 4:e000336. [PMID: 31392284 PMCID: PMC6660802 DOI: 10.1136/tsaco-2019-000336] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 06/07/2019] [Indexed: 12/03/2022] Open
Abstract
Background For years, controversy has existed about the ideal approach for cervical spine clearance in obtunded, blunt trauma patients. However, recent national guidelines suggest that MRI is not necessary for collar clearance in these patients. The purpose of this study was to identify the extent of national variation in the use of MRI and assess patient-specific and hospital-specific factors associated with the practice. Methods We performed a retrospective review of the National Trauma Data Bank from 2007 to 2012. We included blunt trauma patients aged ≥18 years, admitted to level 1 or 2 trauma centers (TCs), with a Glasgow Coma Scale <8, Abbreviated Injury Scale >3 for the head and mechanically ventilated for more than 72 hours. Multilevel modeling was used to identify patient-level and hospital-level factors associated with spine MRI use. Results 32 125 obtunded, blunt trauma patients treated at 395 unique TCs met our inclusion criteria. The mean proportion of patients who received MRI over the entire sample was 9.9%. The proportions of patients at each hospital who received a spine MRI ranged from 0.5% to 68.7%. Younger patients, with injuries from motor vehicle collisions and pedestrian injuries, were more likely to receive MRI. When controlling for other variables, Injury Severity Score (ISS) was not associated with MRI use. Hospitals in the Northeast, level 1 TCs and non-teaching hospitals were more likely to obtain MRIs in this patient population. Conclusion After controlling for patient-level characteristics, variation remained in MRI use based on geography, trauma center level and teaching status. This evidence suggests that current national guidelines limiting the use of MRI for cervical spine evaluation following blunt trauma are not being followed consistently. This may be due to physicians not being up to date with best practice care, unavailability of locally adopted protocols in institutions or lack of consensus among clinical providers. Level of evidence Prognostic and epidemiological, level III.
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Affiliation(s)
- Alia Albaghdadi
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Ira L Leeds
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Joseph K Canner
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Eric B Schneider
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Joseph V Sakran
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Elliott R Haut
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Färkkilä EM, Peacock ZS, Tannyhill RJ, Petrovick L, Gervasini A, Velmahos GC, Kaban LB. Frequency of cervical spine injuries in patients with midface fractures. Int J Oral Maxillofac Surg 2019; 49:75-81. [PMID: 31301924 DOI: 10.1016/j.ijom.2019.06.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 06/12/2019] [Indexed: 10/26/2022]
Abstract
The aim of this retrospective cohort study was to determine the frequency and risk factors for cervical spine injury (CSI) in patients with midface fractures. Patients ≥18 years of age entered in the Massachusetts General Hospital Trauma Registry from 2007 to 2017 were identified. Those with a midface fracture, computed tomography and/or magnetic resonance imaging of the cervical spine, and complete medical records were included. There were 23,394 patients in the registry; 3950 (16.9%) had craniomaxillofacial fractures and 1822 (7.8%) had a CSI. Craniomaxillofacial fractures included fractures of the midface (n=2803, 71.0%), mandible (n=873, 22.1%), and midface plus mandible (n=274, 6.9%). The overall frequency of CSI in patients with midface fractures was 11.4% (350/3077). Patients with midface fractures had a higher risk for CSI compared to patients without a midface fracture (odds ratio 2.4, 95% confidence interval 2.1-2.4, P<0.001). In a multivariate model, nasal and orbital fractures, chest injuries, age, injury severity score, and motor vehicle crash or fall as the etiology were independent risk factors for CSI. Mortality was two times higher in subjects with CSI. Early and accurate diagnosis of CSI is a critical factor when planning the treatment of patients with these fractures.
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Affiliation(s)
- E M Färkkilä
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - Z S Peacock
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - R J Tannyhill
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard School of Dental Medicine, Boston, Massachusetts, USA
| | - L Petrovick
- Trauma and Emergency Surgery Service, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - A Gervasini
- Trauma and Emergency Surgery Service, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - G C Velmahos
- Trauma and Emergency Surgery Service, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard Medical School, Boston, Massachusetts, USA
| | - L B Kaban
- Department of Oral and Maxillofacial Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA; Harvard School of Dental Medicine, Boston, Massachusetts, USA.
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Núñez-Patiño RA, Rubiano AM, Godoy DA. Impact of Cervical Collars on Intracranial Pressure Values in Traumatic Brain Injury: A Systematic Review and Meta-Analysis of Prospective Studies. Neurocrit Care 2019; 32:469-477. [DOI: 10.1007/s12028-019-00760-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Neal CJ, McCafferty RR, Freedman B, Helgeson MD, Rivet D, Gwinn DE, Rosner MK. Cervical and Thoracolumbar Spine Injury Evaluation, Transport, and Surgery in the Deployed Setting. Mil Med 2019; 183:83-91. [PMID: 30189075 DOI: 10.1093/milmed/usy096] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Indexed: 01/26/2023] Open
Abstract
This Cervical and Thoracolumbar Spine Injury Evaluation, Transport, and Surgery Clinical Practice Guideline (CPG) is designed to provide guidance to the deployed provider when they are treating a combat casualty who has sustained a spine or spinal cord injury. The CPG objective for the treatment and the movement of these patients is to maintain spinal stability through transport, perform decompression when urgently needed, achieve definitive stabilization when appropriate, avoid secondary injury, and prevent deterioration of the patient's neurological condition. Thorough and accurate documentation of the patient's neurological examination is crucial to ensure appropriate management decisions are made as the patient transits through the evacuation system. The use of this CPG should be in conjunction with good clinical judgment.
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Affiliation(s)
- Chris J Neal
- Joint Trauma System, 3698 Chambers Pass, JBSA Fort Sam Houston, TX
| | | | - Brett Freedman
- Joint Trauma System, 3698 Chambers Pass, JBSA Fort Sam Houston, TX
| | | | - Dennis Rivet
- Joint Trauma System, 3698 Chambers Pass, JBSA Fort Sam Houston, TX
| | - David E Gwinn
- Joint Trauma System, 3698 Chambers Pass, JBSA Fort Sam Houston, TX
| | - Michael K Rosner
- Joint Trauma System, 3698 Chambers Pass, JBSA Fort Sam Houston, TX
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46
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Abstract
Up to 4% of adults with blunt trauma suffer cervical spine injury. Clinicians who evaluate trauma patients can use validated clinical decision tools to assess whether patients are at risk for these injuries. Beyond these tools, imaging (most often CT) remains the mainstay of evaluation. Further challenges exist when patients have persistent pain or cannot be evaluated clinically. This article reviews the evidence available to assist clinicians in evaluating adults for significant cervical spine injury after blunt trauma.
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Kang SK. Measuring the value of MRI: Comparative effectiveness & outcomes research. J Magn Reson Imaging 2019; 49:e78-e84. [PMID: 30632255 DOI: 10.1002/jmri.26647] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 12/23/2018] [Accepted: 12/26/2018] [Indexed: 12/24/2022] Open
Abstract
Magnetic resonance imaging (MRI) now provides diagnostic assessment for numerous clinical indications, including lesion detection, characterization, functional assessment, and response to treatment. To maximize the potential to improve health through the use of MRI, it is critical to investigate the impact of MRI on outcomes, and to compare the effectiveness of MRI with existing standard diagnostic approaches. Outcomes of MRI can include survival but also intermediate steps such as potential reduction in unnecessary therapy, shorter time to the appropriate therapy, or shorter periods of hospital admission. To understand the effectiveness of an imaging test's sensitivity and specificity, the results' consequences are weighed, reflecting the disease type, severity, and treatment effects. In some instances, other modalities may be faster, more readily available, or less costly than MRI but additional disease-related information or better accuracy may translate to greater population level benefit. For health policy decisions and clinical guidelines, studies of comparative outcomes can lend depth to the strength of the evidence, the specific benefits vs. harms of using one test over another, and the most effective use of the test in terms of target population. Cost effectiveness then allows for a direct comparison of approaches in terms of the cost for the projected gain in life expectancy and/or quality adjusted life expectancy. Expanding the literature on improved efficiency, accessibility, clinical effectiveness, and cost effectiveness will support the directive for better quality and value in healthcare. Level of Evidence 5 Technical Efficacy Stage 5 J. Magn. Reson. Imaging 2019.
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Affiliation(s)
- Stella K Kang
- Department of Radiology, NYU School of Medicine, New York, New York, USA.,Department of Population Health, NYU School of Medicine, New York, New York, USA
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Clearing the cervical spine in patients with distracting injuries: An AAST multi-institutional trial. J Trauma Acute Care Surg 2019; 86:28-35. [DOI: 10.1097/ta.0000000000002063] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Veiga JRS, Mitchell K. Cervical spine clearance in the adult obtunded blunt trauma patient: A systematic review. Intensive Crit Care Nurs 2018; 51:57-63. [PMID: 30509691 DOI: 10.1016/j.iccn.2018.11.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 10/02/2018] [Accepted: 11/05/2018] [Indexed: 10/27/2022]
Abstract
BACKGROUND A missed cervical spinal injury could have devastating consequences. Patients with a suspected cervical spinal injury are kept in rigid collars for cervical immobilisation. Prolonged collar use has important clinical implications. A well-defined guideline related to the removal of cervical collars from adult obtunded blunt trauma patients has not been developed. AIM We sought to determine if Magnetic Resonance Imaging offered a definitive benefit over Computer Tomography with respect to patient management. METHOD We searched Ovid Online, EBSCO, NICE Evidence Journals, Medline, PubMED, BNI, CINAHL and Google Scholar as well as the grey literature. Data extraction and synthesis were performed on studies that compared the radiologic findings and clinical outcomes of Computer Tomography scan and Magnetic Resonance Imaging in this patient group. RESULTS There is evidence that supports the safe discontinuation of cervical collar use after a negative multidetector Computer Tomography scan result alone. Magnetic Resonance Imaging may detect a significant number of ligamentous injuries, but such injuries are rarely of clinical significance because they rarely alter clinical management. Its use should be limited to specific circumstances. CONCLUSION It is important for institutions to re-examine the latest evidence regarding cervical spinal clearance in order to update their guidelines.
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Affiliation(s)
| | - Kay Mitchell
- Integrative Physiology and Critical Illness Group, Clinical and Experimental Sciences, Faculty of Medicine, University of Southampton, Southampton, UK; Critical Care Research Group, Southampton NIHR Biomedical Research Centre, University Hospital Southampton, Southampton, UK
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Färkkilä EM, Peacock ZS, Tannyhill RJ, Petrovick L, Gervasini A, Velmahos GC, Kaban LB. Risk Factors for Cervical Spine Injury in Patients With Mandibular Fractures. J Oral Maxillofac Surg 2018; 77:109-117. [PMID: 30172763 DOI: 10.1016/j.joms.2018.07.032] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 07/31/2018] [Accepted: 07/31/2018] [Indexed: 12/18/2022]
Abstract
PURPOSE Patients with mandibular fractures are known to be at risk of concomitant cervical spine injuries (CSIs). The purpose of this study was to determine the incidence of and risk factors for CSIs in these patients. PATIENTS AND METHODS We conducted a retrospective cohort study of adult trauma patients with mandibular fractures from June 1, 2007, through June 30, 2017. Patients were identified through the Massachusetts General Hospital trauma registry and were included as study patients if they had a mandibular fracture and computed tomography or magnetic resonance imaging of the cervical spine. The primary predictor variable was the site of the mandibular fracture; the primary outcome variables were the presence of CSIs and death. The other variables were demographic characteristics (age, gender, alcohol use, and drug use), Injury Severity Score, Glasgow Coma Scale, presence of midface and extra-craniofacial injuries, and etiology. Data analysis consisted of univariate correlations and construction of a multivariate model to determine independent risk factors for CSIs. RESULTS Of 23,394 patients in the trauma registry, 3,950 (17%) had craniomaxillofacial fractures and 1,822 (7.7%) had CSIs. The frequency of CSIs in the overall cohort of mandibular fracture patients (n = 1,147) was 4.4%, and for admitted patients (n = 495), it was 10%. The mean age of patients with mandibular fractures plus CSIs was 40 years (range, 19 to 93 years); 84% were men. Patients with a ramus-condyle unit fracture, mandibular fracture plus any midface fracture, non-craniomaxillofacial injury, and motor vehicle crash etiology had the highest frequency of CSIs. Ramus-condyle unit fractures and chest injuries were independent risk factors for CSIs in the multivariate model (P = .0334 and P = .0013, respectively). The mortality rate was 4-fold higher in patients with CSIs versus those without CSIs. CONCLUSIONS The presence of ramus-condyle unit fractures and the presence of chest injuries were independent risk factors for CSIs. Oral and maxillofacial surgeons should be diligent in ruling out CSIs in mandibular fracture patients.
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Affiliation(s)
- Esa M Färkkilä
- Research Fellow, Department of Oral & Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, Massachusetts
| | - Zachary S Peacock
- Assistant Professor, Department of Oral & Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, Massachusetts
| | - R John Tannyhill
- Instructor, Department of Oral & Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, Massachusetts
| | - Laurie Petrovick
- Program Manager, Division of Trauma, Critical Care and Emergency Surgery, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - Alice Gervasini
- Nurse Director, Trauma & Emergency Surgery Service, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - George C Velmahos
- Professor of Surgery and Chief, Trauma and Emergency Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Leonard B Kaban
- Walter C. Guralnick Distinguished Professor, Chief, Emeritus, Department of Oral & Maxillofacial Surgery, Massachusetts General Hospital, Harvard School of Dental Medicine, Boston, Massachusetts.
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