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Dvorak MF, Evaniew N, Chen M, Waheed Z, Rotem-Kohavi N, Fallah N, Noonan VK, Fisher C, Charest-Morin R, Dea N, Ailon T, Street J, Kwon BK. Impact of Specialized Versus Non-Specialized Acute Hospital Care on Survival Among Patients With Acute Incomplete Traumatic Spinal Cord Injuries: A Population-Based Observational Study from British Columbia, Canada. J Neurotrauma 2023; 40:2638-2647. [PMID: 37294210 PMCID: PMC10698776 DOI: 10.1089/neu.2022.0496] [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: 06/10/2023] Open
Abstract
Given the complexity of care necessitated after an acute traumatic spinal cord injury (SCI), it seems intuitively beneficial for such care to be delivered at hospitals with specialized SCI expertise. Demonstrating these benefits is not straightforward, however. We sought to determine whether specialized acute hospital care influenced the most fundamental outcomes after SCI: mortality within the first year of injury. We compared survival among patients with incomplete tSCI admitted to a single quaternary-level trauma hospital with a specialized acute SCI program versus those admitted to trauma hospitals without specialized acute SCI care. We performed a population-based retrospective observational cohort study using administrative and clinical data linked from multiple sources in British Columbia (BC) from 2001 to 2017. Among a cohort of 1920 patients, there were 193 deaths within one year. We failed to identify a significant overall benefit for survival after adjusting for potential confounders, and the confidence intervals (CIs) were compatible with both benefit and harm (odds ratio [OR] 1.01, 95% CI 0.17 to 6.11, p = 0.99). Significant associations were observed with age greater than 65 (OR 4.92, 95% CI 1.66 to 14.57, p < 0.01), Charlson Comorbidity Index (OR 1.61, 95% CI 1.42 to 1.83, p < 0.01), Injury Severity Score (OR 1.08, 95% CI 1.06 to 1.11, p < 0.01), and traumatic brain injury (OR 2.12, 95% CI 1.32 to 3.41, p < 0.01). Among patients with acute tSCI, admission to a hospital with specialized acute SCI care was not associated with improved overall one-year survival. Subgroup analyses, however, suggested heterogeneity of effects, with little benefit for older patients with less polytrauma and substantial benefit for younger patients with greater polytrauma.
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Affiliation(s)
- Marcel F. Dvorak
- Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
| | - Nathan Evaniew
- University of Calgary Spine Program, University of Calgary, Calgary, Alberta, Canada
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Melody Chen
- Praxis Spinal Cord Institute, Vancouver, British Columbia, Canada
| | - Zeina Waheed
- Praxis Spinal Cord Institute, Vancouver, British Columbia, Canada
| | | | - Nader Fallah
- Praxis Spinal Cord Institute, Vancouver, British Columbia, Canada
| | | | - Charles Fisher
- Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Raphaële Charest-Morin
- Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Nicolas Dea
- Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Tamir Ailon
- Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - John Street
- Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Brian K. Kwon
- Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada
- International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada
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2
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Shimizu T, Suda K, Harmon SM, Komatsu M, Ota M, Ushirozako H, Minami A, Takahata M, Iwasaki N, Takahashi H, Yamazaki M. The Impact of Diffuse Idiopathic Skeletal Hyperostosis on Nutritional Status, Neurological Outcome, and Perioperative Complications in Patients with Cervical Spinal Cord Injury. J Clin Med 2023; 12:5714. [PMID: 37685779 PMCID: PMC10488386 DOI: 10.3390/jcm12175714] [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: 08/08/2023] [Revised: 08/26/2023] [Accepted: 08/27/2023] [Indexed: 09/10/2023] Open
Abstract
This retrospective study aimed to investigate the characteristics of patients with cervical spinal cord injuries (CSCI) with diffuse idiopathic skeletal hyperostosis (DISH). We included 153 consecutive patients with CSCI who underwent posterior decompression and fusion surgery. The patients were divided into two groups based on the presence of DISH. Patient characteristics, neurological status on admission, nutritional status, perioperative laboratory variables, complications, neurological outcomes at discharge, and medical costs were compared between the groups. The DISH group (n = 24) had significantly older patients (72.1 vs. 65.9, p = 0.036), more patients with low-impact trauma (62.5% vs. 34.1%, p = 0.009), and a lower preoperative prognostic nutritional index on admission (39.8 vs. 42.5, p = 0.014) than the non-DISH group (n =129). Patients with DISH had significantly higher rates of ventilator management (16.7% vs. 3.1%, p = 0.022) and pneumonia (29.2% vs. 8.5%, p = 0.010). There was no significant difference in medical costs and neurological outcomes on discharge. Patients with CSCI and DISH were older, had poor nutritional status, and were prone to postoperative respiratory complications, while no differences were found between the neurological outcomes of patients with CSCI with and without DISH.
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Affiliation(s)
- Tomoaki Shimizu
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, 3-1 Higashi 4 Minami 1, Bibai 072-0015, Hokkaido, Japan (H.U.)
| | - Kota Suda
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, 3-1 Higashi 4 Minami 1, Bibai 072-0015, Hokkaido, Japan (H.U.)
| | - Satoko Matsumoto Harmon
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, 3-1 Higashi 4 Minami 1, Bibai 072-0015, Hokkaido, Japan (H.U.)
| | - Miki Komatsu
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, 3-1 Higashi 4 Minami 1, Bibai 072-0015, Hokkaido, Japan (H.U.)
| | - Masahiro Ota
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, 3-1 Higashi 4 Minami 1, Bibai 072-0015, Hokkaido, Japan (H.U.)
| | - Hiroki Ushirozako
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, 3-1 Higashi 4 Minami 1, Bibai 072-0015, Hokkaido, Japan (H.U.)
| | - Akio Minami
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, 3-1 Higashi 4 Minami 1, Bibai 072-0015, Hokkaido, Japan (H.U.)
| | - Masahiko Takahata
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo 060-0815, Hokkaido, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo 060-0815, Hokkaido, Japan
| | - Hiroshi Takahashi
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
| | - Masashi Yamazaki
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba 305-8575, Ibaraki, Japan
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3
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Kelly-Hedrick M, Ugiliweneza B, Toups EG, Jimsheleishvili G, Kurpad SN, Aarabi B, Harrop JS, Foster N, Goodwin RC, Shaffrey CI, Fehlings MG, Tator CH, Guest JD, Neal CJ, Abd-El-Barr MM, Williamson T. Interhospital Transfer Delays Care for Spinal Cord Injury Patients: A Report from the North American Clinical Trials Network for Spinal Cord Injury. J Neurotrauma 2023; 40:1928-1937. [PMID: 37014079 DOI: 10.1089/neu.2022.0408] [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: 04/05/2023] Open
Abstract
Abstract The North America Clinical Trials Network (NACTN) for Spinal Cord Injury (SCI) is a consortium of tertiary medical centers that has maintained a prospective SCI registry since 2004, and it has espoused that early surgical intervention is associated with improved outcome. It has previously been shown that initial presentation to a lower acuity center and necessity of transfer to a higher acuity center reduce rates of early surgery. The NACTN database was evaluated to examine the association between interhospital transfer (IHT), early surgery, and outcome, taking into account distance traveled and site of origin for the patient. Data from a 15-year period of the NACTN SCI Registry were analyzed (years 2005-2019). Patients were stratified into transfers directly from the scene to a Level 1 trauma center (NACTN site) versus IHT from a Level 2 or 3 trauma facility. The main outcome was surgery within 24 hours of injury (yes/no), whereas secondary outcomes were length of stay, death, discharge disposition, and 6-month American Spinal Injury Association Impairment Scale (AIS) grade conversion. For the IHT patients, distance traveled for transfer was calculated by measuring the shortest distance between origin and NACTN hospital. Analysis was performed with Brown-Mood test and chi-square tests. Of 724 patients with transfer data, 295 (40%) underwent IHT and 429 (60%) were admitted directly from the scene of injury. Patients who underwent IHT were more likely to have a less severe SCI (AIS D; p = 0.002), have a central cord injury (p = 0.004), and have a fall as their mechanism of injury (p < 0.0001) than those directly admitted to an NACTN center. Of the 634 patients who had surgery, direct admission to an NACTN site was more likely to result in surgery within 24 hours compared with IHT patients (52% vs. 38%) (p < 0.0003). Median IHT distance was 28 miles (interquartile range [IQR] = 13-62 miles). There was no significant difference in death, length of stay, discharge to a rehab facility versus home, or 6-month AIS grade conversion rates between the two groups. Patients who underwent IHT to an NACTN site were less likely to have surgery within 24 hours of injury, compared with those directly admitted to the Level 1 trauma facility. Although there was no difference in mortality rates, length of stay, or 6-month AIS conversion between groups, patients with IHT were more likely be older with a less severe level of injury (AIS D). This study suggests there are barriers to timely recognition of SCI in the field, appropriate admission to a higher level of care after recognition, and challenges related to the management of individuals with less severe SCI.
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Affiliation(s)
- Margot Kelly-Hedrick
- Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina, USA
| | | | - Elizabeth G Toups
- Department of Neurosurgery, Houston Methodist Hospital, Houston TX, USA
| | | | - Shekar N Kurpad
- Department of Neurosurgery, The Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Bizhan Aarabi
- University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - James S Harrop
- Department of Neurosurgery, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Norah Foster
- Department of Orthopedics, Miami Valley Hospital, Centerville, Ohio, USA
| | - Rory C Goodwin
- Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Christopher I Shaffrey
- Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Michael G Fehlings
- Division of Neurosurgery and Spine Program, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Charles H Tator
- Division of Neurosurgery and Spine Program, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - James D Guest
- The Miami Project to Cure Paralysis, University of Miami, Miami, Florida, USA
| | - Chris J Neal
- Division of Neurosurgery, Walter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Muhammad M Abd-El-Barr
- Department of Neurosurgery, Duke University School of Medicine, Durham, North Carolina, USA
| | - Theresa Williamson
- Department of Neurosurgery, Massachusetts General Hospital, Boston, Massachusetts, USA
- Harvard Medical School, Boston, Massachusetts, USA
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Ushirozako H, Suda K, Harmon SM, Komatsu M, Ota M, Shimizu T, Minami A, Takahata M, Iwasaki N, Matsuyama Y. Complications Associated with Preventive Management to Reduce the Risk of COVID-19 Spread After Surgery for Spinal Cord Injury. J Bone Joint Surg Am 2023; Publish Ahead of Print:00004623-990000000-00811. [PMID: 37216434 DOI: 10.2106/jbjs.22.00785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
BACKGROUND Preventive management to reduce the risk of coronavirus disease-2019 (COVID-19) spread led to delays in active rehabilitation, which may have negatively impacted the outcomes of patients with traumatic spinal cord injury (SCI). Therefore, the aim of this study was to clarify the influence of preventive management on the rate of perioperative complications after surgical treatment for SCI. METHODS This single-center retrospective study examined the cases of 175 patients who had SCI surgery between 2017 and 2021. We could not continue early rehabilitation interventions starting on April 30, 2020, because of our preventive management to reduce the risk of COVID-19 spread. Using a propensity score-matched model, we adjusted for age, sex, American Spinal Injury Association impairment scale score at admission, and risk factors for perioperative complications described in previous studies. Perioperative complication rates were compared between the COVID-19 pandemic and prepandemic groups. RESULTS Of the 175 patients, 48 (the pandemic group) received preventive management. The preliminary analysis revealed significant differences between the unmatched pandemic and prepandemic groups with respect to age (75.0 versus 71.2 years, respectively; p = 0.024) and intraoperative estimated blood loss (152 versus 227 mL; p = 0.013). The pandemic group showed significant delays in visiting the rehabilitation room compared with the prepandemic group (10 versus 4 days from hospital admission; p < 0.001). There were significant differences between the pandemic and prepandemic groups with respect to the rates of pneumonia (31% versus 16%; p = 0.022), cardiopulmonary dysfunction (38% versus 18%; p = 0.007), and delirium (33% versus 13%; p = 0.003). With a propensity score-matched analysis (C-statistic = 0.90), 30 patients in the pandemic group and 60 patients in the prepandemic group were automatically selected. There were significant differences between the matched pandemic and prepandemic groups with respect to the rates of cardiopulmonary dysfunction (47% versus 23%; p = 0.024) and deep venous thrombosis (60% versus 35%; p = 0.028). CONCLUSIONS Even with early surgical intervention, late mobilization and delays in active rehabilitation during the COVID-19 pandemic increased perioperative complications after SCI surgery. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Hiroki Ushirozako
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai, Hokkaido, Japan
- Department of Orthopaedic Surgery, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
| | - Kota Suda
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai, Hokkaido, Japan
| | - Satoko Matsumoto Harmon
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai, Hokkaido, Japan
| | - Miki Komatsu
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai, Hokkaido, Japan
| | - Masahiro Ota
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai, Hokkaido, Japan
| | - Tomoaki Shimizu
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai, Hokkaido, Japan
| | - Akio Minami
- Department of Orthopaedic Surgery, Hokkaido Spinal Cord Injury Center, Bibai, Hokkaido, Japan
| | - Masahiko Takahata
- Department of Orthopaedic Surgery, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Hokkaido University Faculty of Medicine and Graduate School of Medicine, Sapporo, Hokkaido, Japan
| | - Yukihiro Matsuyama
- Department of Orthopaedic Surgery, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka, Japan
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5
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Wei B, Zhou H, Liu G, Zheng Y, Zhang Y, Hao C, Wang Y, Kang H, Lu X, Yuan Y, Meng Q. Risk factors for venous thromboembolism in patients with spinal cord injury: A systematic review and meta-analysis. J Spinal Cord Med 2023; 46:181-193. [PMID: 33890837 PMCID: PMC9987783 DOI: 10.1080/10790268.2021.1913561] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
CONTEXT Patients with spinal cord injury (SCI) are at high risk for venous thromboembolism (VTE). The risk factors for VTE in patients with SCI are complex. OBJECTIVE This meta-analysis was conducted to clarify the risk factors for VTE in patients with SCI. METHODS The Cochrane Library, PubMed, EBSCO, Web of Science, China National Knowledge Infrastructure (CNKI), China Biomedical Literature Database (CBM), Wanfang Med Data Database, and VIP Database were searched to identify studies reporting on risk factors for VTE in patients with SCI. RESULTS The meta-analysis included 25 studies. Findings showed that risk of VTE in patients with SCI was significantly associated with middle- and old-age (OR = 2.08, 95%CI, 1.47, 2.95), male sex (OR = 1.41, 95%CI, 1.26, 1.59), complete paralysis (OR = 3.69, 95%CI, 2.60, 5.24), personal/family history of venous thrombosis (OR = 1.95, 95%CI, 1.35, 2.81), history of smoking (OR = 2.67, 95%CI, 1.79, 3.98), lack of compression therapy (OR = 2.44, 95%CI, 1.59, 3.73), presence of lower limb/pelvic fracture (OR = 3.47, 95%CI, 1.79, 6.75), paraplegia (OR = 1.81, 95%CI, 1.49, 2.19), and diabetes (OR = 4.24, 95%CI, 2.75, 6.52). CONCLUSION The meta-analysis identified 9 risk factors for VTE in patients with SCI. Healthcare providers should be aware of the risk factors for VTE when rehabilitating patients with SCI.
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Affiliation(s)
- Bo Wei
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Hongjun Zhou
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Genlin Liu
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Ying Zheng
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Ying Zhang
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Chunxia Hao
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Yiji Wang
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Haiqiong Kang
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Xiaolei Lu
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Yuan Yuan
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
| | - Qianru Meng
- Department of Spinal Cord Injury Rehabilitation, China Rehabilitation Research Center, Beijing, People's Republic of China.,China Rehabilitation Research Center, School of Rehabilitation Medicine, Capital Medical University, Beijing, People's Republic of China
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6
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Azad TD, Nair SK, Kalluri AL, Materi J, Ahmed AK, Khalifeh J, Abu-Bonsrah N, Sharwood LN, Sterner RC, Brooks NP, Alomari S, Musharbash FN, Mo K, Lubelski D, Witham TF, Theodore N, Bydon A. Delays in Presentation After Traumatic Spinal Cord Injury-A Systematic Review. World Neurosurg 2023; 169:e121-e130. [PMID: 36441093 DOI: 10.1016/j.wneu.2022.10.086] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Prompt surgical decompression after traumatic spinal cord injury (TSCI) may be associated with improved sensorimotor outcomes. Delays in presentation may prevent timely decompression after TSCI. OBJECTIVE To systematically review existing studies investigating delays in presentation after TSCI in low- and middle-income countries (LMICs) and high-income countries (HICs). METHODS A systematic review was conducted and studies featuring quantitative or qualitative data on prehospital delays in TSCI presentation were included. Studies lacking quantitative or qualitative data on prehospital delays in TSCI presentation, case reports or series with <5 patients, review articles, or animal studies were excluded from our analysis. RESULTS After exclusion criteria were applied, 24 studies were retained, most of which were retrospective. Eleven studies were from LMICs and 13 were from HICs. Patients with TSCI in LMICs were younger than those in HICs, and most patients were male in both groups. A greater proportion of patients with TSCI in studies from LMICs presented >24 hours after injury (HIC average proportion, 12.0%; LMIC average proportion, 49.9%; P = 0.01). Financial barriers, lack of patient awareness and education, and prehospital transportation barriers were more often cited as reasons for delays in LMICs than in HICs, with prehospital transportation barriers cited as a reason for delay by every LMIC study included in this review. CONCLUSIONS Disparities in prehospital infrastructure between HICs and LMICs subject more patients in LMICs to increased delays in presentation to care.
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Affiliation(s)
- Tej D Azad
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Sumil K Nair
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Anita L Kalluri
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Joshua Materi
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - A Karim Ahmed
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Jawad Khalifeh
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Nancy Abu-Bonsrah
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA; Research Department, Association of Future African Neurosurgeons, Yaounde, Cameroon
| | - Lisa N Sharwood
- John Walsh Centre for Rehabilitation Research, Kolling Institute, Sydney Medical School-Northern, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia
| | - Robert C Sterner
- Department of Neurological Surgery, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Nathaniel P Brooks
- Department of Neurological Surgery, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Safwan Alomari
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Farah N Musharbash
- Department of Orthopedic Surgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Kevin Mo
- Department of Orthopedic Surgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Daniel Lubelski
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Timothy F Witham
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Nicholas Theodore
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA
| | - Ali Bydon
- Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, Maryland, USA.
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7
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Pitts T, Iceman KE, Huff A, Musselwhite MN, Frazure ML, Young KC, Greene CL, Howland DR. Laryngeal and swallow dysregulation following acute cervical spinal cord injury. J Neurophysiol 2022; 128:405-417. [PMID: 35830612 PMCID: PMC9359645 DOI: 10.1152/jn.00469.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Laryngeal function is vital to airway protection. While swallow is mediated by the brainstem, mechanisms underlying increased risk of dysphagia after cervical spinal cord injury (SCI) are unknown. We hypothesized that loss of descending phrenic drive affects swallow and breathing differently, and loss of ascending spinal afferent information alters swallow regulation. We recorded electromyograms from upper airway and chest wall muscles in freely breathing pentobarbital-anesthetized cats and rats. Inspiratory laryngeal activity increased ~two-fold following C2 lateral-hemisection. Ipsilateral to the injury, crural diaphragm EMG amplitude was reduced during breathing (62 ± 25% change post-injury), but no animal had complete termination of activity; 75% of animals increased contralateral diaphragm recruitment, but this did not reach significance. During swallow, laryngeal adductor and pharyngeal constrictor muscles increased activity, and diaphragm activity was bilaterally suppressed. This was unexpected because of the ipsilateral-specific response during breathing. Swallow-breathing coordination was also disrupted and more swallows occurred during early expiration. Finally, to determine if the chest wall is a major source of feedback for laryngeal regulation, we performed T1 total transections in rats. As in the C2 lateral-hemisection, inspiratory laryngeal recruitment was the first feature noted. In contrast to the C2 lateral-hemisection, diaphragmatic drive increased after T1 transection. Overall, we found that SCI alters laryngeal drive during swallow and breathing, and reduced swallow-related diaphragm activity. Our results show behavior-specific effects, suggesting SCI affects swallow more than breathing, and emphasizes the need for additional studies on the effects of ascending afferents from the spinal cord on laryngeal function.
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Affiliation(s)
- Teresa Pitts
- Kentucky Spinal Cord Injury Center, Department of Neurological Surgery, University of Louisville, Louisville, KY, United States
| | - Kimberly E Iceman
- Kentucky Spinal Cord Injury Center, Department of Neurological Surgery, University of Louisville, Louisville, KY, United States
| | - Alyssa Huff
- Center for Integrative Brain Research, Seattle Children's Hospital, Seattle, WA, United States
| | - Matthew Nicholas Musselwhite
- Kentucky Spinal Cord Injury Center, Department of Neurological Surgery, University of Louisville, Louisville, KY, United States
| | - Michael L Frazure
- Kentucky Spinal Cord Injury Center, Department of Neurological Surgery, University of Louisville, Louisville, KY, United States
| | - Kellyanna C Young
- Kentucky Spinal Cord Injury Center, Department of Neurological Surgery, University of Louisville, Louisville, KY, United States
| | - Clinton L Greene
- Kentucky Spinal Cord Injury Center, Department of Neurological Surgery, University of Louisville, Louisville, KY, United States
| | - Dena Ruth Howland
- Kentucky Spinal Cord Injury Center, Department of Neurological Surgery, University of Louisville, Louisville, KY, United States.,Research Service, Robley Rex VA Medical Center, Louisville, KY, United States
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8
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Jia Y, Zuo X, Zhang Y, Yao Y, Yin Y, Yang X. An analysis of the heart rates and the therapeutic effect of aminophylline injections in patients with acute cervical spinal cord injuries and bradycardia. Am J Transl Res 2021; 13:10341-10347. [PMID: 34650701 PMCID: PMC8507032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 08/04/2021] [Indexed: 06/13/2023]
Abstract
OBJECTIVE To investigate the changes in the heart rates and the clinical effectiveness of aminophylline injections in acute cervical spinal cord injury (ACSCI) patients with bradycardia. METHODS This retrospective study was conducted by studying the clinical data of 100 ACSCI patients also suffering from bradycardia admitted to our hospital from June 2019 to June 2020. The patients were randomly placed into a control group (n=50) that was administered atropine therapy and a test group (n=50) that was administered aminophylline injections. The changes in the patients' heart rates and the clinical effectiveness were analyzed. RESULTS After the treatment, the test group had a significantly higher average heart rate, shorter heart rate recovery times, and a lower bradycardia recurrence rate than the control group (all P<0.05). The systolic blood pressure (SBP) and diastolic blood pressure (DBP) levels in the test group were significantly higher than they were in the control group (all P<0.05). Remarkably higher clinical effectiveness and satisfaction rates and a significantly lower incidence of adverse reactions were observed in the test group compared to the control group (all P<0.05). In addition, the Japanese Orthopaedic Association (JOA) cervical spine scores were similar in the two groups (P>0.05). CONCLUSION For ACSCI patients also suffering from bradycardia, aminophylline injections ameliorate the clinical heart rate and have a good clinical effectiveness with few adverse reactions, so the treatment merits clinical promotion and application.
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Affiliation(s)
- Yongli Jia
- Department of Bone Surgery, The First Affiliated Hospital of North Hebei AcademyZhangjiakou 075000, Hebei, China
| | - Xianhong Zuo
- Zhangjiakou College of NursingZhangjiakou 075000, Hebei, China
| | - Ying Zhang
- Department of Bone Surgery, The First Affiliated Hospital of North Hebei AcademyZhangjiakou 075000, Hebei, China
| | - Yao Yao
- Department of Bone Surgery, The First Affiliated Hospital of North Hebei AcademyZhangjiakou 075000, Hebei, China
| | - Yanlin Yin
- Department of Bone Surgery, The First Affiliated Hospital of North Hebei AcademyZhangjiakou 075000, Hebei, China
| | - Xinming Yang
- Department of Bone Surgery, The First Affiliated Hospital of North Hebei AcademyZhangjiakou 075000, Hebei, China
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9
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Levasseur A, Mac-Thiong JM, Richard-Denis A. Are early clinical manifestations of spasticity associated with long-term functional outcome following spinal cord injury? A retrospective study. Spinal Cord 2021; 59:910-916. [PMID: 34230603 DOI: 10.1038/s41393-021-00661-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 06/20/2021] [Accepted: 06/21/2021] [Indexed: 11/09/2022]
Abstract
STUDY DESIGN Retrospective study of a prospective cohort of patients with traumatic spinal cord injury (SCI). OBJECTIVES Determine the relationship between the occurrence of early spasticity, defined as the development of signs and/or symptoms of spasticity during the hospitalization in traumatology, and the functional outcome 6-12 months following a SCI. Secondly, to determine the specific impact of early clonus, velocity-dependent hypertonia and/or muscle spasms on the functional outcome at the same timepoint. SETTING Single trauma center specialized in SCI care. METHODS One hundred sixty-two patients sustaining an acute traumatic SCI were included in the analyses. Comparative analysis was performed to describe the characteristics of patients with early spasticity. Correlations were performed to determine the relationship between the clinical signs of spasticity and the Spinal Cord Independence Measure (SCIM) scores collected 6-12 months after SCI. RESULTS 51.9% of the cohort developed clinical signs of spasticity during the hospitalization in traumatology (29.7 days) following SCI. These showed a significantly lower total SCIM score and subscores compared to individuals without early spasticity at follow-up (p < 0.05). After adjusting for confounding factors, the occurrence of early spasms was only clinical sign of spasticity significantly associated with a decreased mobility at follow-up (r = -0.17, p = 0.04). CONCLUSIONS The development of signs and symptoms of spasticity, in particular the occurrence of spasms in the first month following the injury may be associated with decreased functional outcome and mobility. Early assessment of spasticity following SCI is thus recommended.
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Affiliation(s)
- Annie Levasseur
- Research Center, Centre intégré universitaire de santé et services sociaux du Nord-de-l'Île-de-Montréal (Hopital du Sacré-Coeur de Montréal), Montreal, QC, H4J 1C5, Canada.,Department of Biomedical Sciences, University of Montreal, Montreal, QC, Canada
| | - Jean-Marc Mac-Thiong
- Research Center, Centre intégré universitaire de santé et services sociaux du Nord-de-l'Île-de-Montréal (Hopital du Sacré-Coeur de Montréal), Montreal, QC, H4J 1C5, Canada.,Department of Surgery, Centre intégré universitaire de santé et services sociaux du Nord-de-l'Île-de-Montréal (Hopital du Sacré-Coeur de Montréal), Montreal, QC, Canada.,Department of Surgery, Faculty of Medicine, University of Montreal, Montreal, QC, Canada
| | - Andréane Richard-Denis
- Research Center, Centre intégré universitaire de santé et services sociaux du Nord-de-l'Île-de-Montréal (Hopital du Sacré-Coeur de Montréal), Montreal, QC, H4J 1C5, Canada. .,Department of Physical Medicine and Rehabilitation, Centre intégré universitaire de santé et services sociaux du Nord-de-l'Île-de-Montréal (Hopital du Sacré-Coeur de Montréal), Montreal, QC, Canada. .,Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, QC, Canada.
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10
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Diaphragm pacing improves respiratory mechanics in acute cervical spinal cord injury. J Trauma Acute Care Surg 2021; 89:423-428. [PMID: 32467474 DOI: 10.1097/ta.0000000000002809] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Cervical spinal cord injury (CSCI) is devastating with ventilator-associated pneumonia being a main driver of morbidity and mortality. Laparoscopic diaphragm pacing implantation (DPS) has been used for earlier liberation from mechanical ventilation. We hypothesized that DPS would improve respiratory mechanics and facilitate liberation. METHODS We performed a retrospective review of acute CSCI patients between January 2005 and May 2017. Routine demographics were collected. Patients underwent propensity score matching based on age, Injury Severity Score, ventilator days, hospital length of stay, and need for tracheostomy. Patients with complete respiratory mechanics data were analyzed and compared. Those who did not have DPS (NO DPS) had spontaneous tidal volume (Vt) recorded at time of intensive care unit admission, at day 7, and at day 14, and patients who had DPS had spontaneous Vt recorded before and after DPS. Time to ventilator liberation and changes in size of spontaneous Vt for patients while on the ventilator were analyzed. Bivariate and multivariate logistic and linear regression statistics were performed using STATA v10. RESULTS Between July 2011 and May 2017, 37 patients that had DPS were matched to 34 who did not (NO DPS). Following DPS, there was a statistically significant increase in spontaneous Vt compared with NO DPS (+88 mL vs. -13 mL; 95% confidence interval, 46-131 mL vs. -78 to 51 mL, respectively; p = 0.004). Median time to liberation after DPS was significantly shorter (10 days vs. 29 days; 95% CI, 6.5-13.6 days vs. 23.1-35.3 days; p < 0.001). Liberation prior to hospital discharge was not different between the two groups. The DPS placement was found to be associated with a statistically significant decrease in days to liberation and an increase in spontaneous Vt in multivariate linear regression models. CONCLUSION The DPS implantation in acute CSCI patients produces significant improvements in spontaneous Vt and reduces time to liberation from mechanical ventilation. Prospective comparative studies are needed to define the clinical benefits and potential cost savings of DPS implantation. LEVEL OF EVIDENCE Therapeutic IV.
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11
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Ronca E, Scheel-Sailer A, Eriks-Hoogland I, Brach M, Debecker I, Gemperli A. Factors influencing specialized health care utilization by individuals with spinal cord injury: a cross-sectional survey. Spinal Cord 2020; 59:381-388. [PMID: 33188260 DOI: 10.1038/s41393-020-00581-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 02/04/2023]
Abstract
STUDY DESIGN Cross-sectional observational study using data from the second community survey of the Swiss Spinal Cord Injury Cohort Study (Survey 2017) conducted between 03/2017 and 03/2018. OBJECTIVES To identify facilitators of and barriers to utilizing SCI-specialized outpatient clinic and inpatient care by individuals with spinal cord injury (SCI). SETTING Community. METHODS Multivariable logistic regression was used to identify factors influencing (1) the attendance at annual check-ups at SCI-specialized treatment facilities, (2) the utilization of SCI-specialized outpatient clinic care by those who utilized any outpatient clinic care, and (3) the utilization of SCI-specialized inpatient care by those who were hospitalized. Multiple imputation was used to account for missing data. RESULTS Out of 3959 eligible individuals, 1294 completed the questionnaire (response rate 33%). In the last 12 months, 51% of study participants attended the annual check-up, 33% of outpatient clinic care users utilized SCI-specialized outpatient clinic care, and 44% of those who were hospitalized were hospitalized at a SCI center. Annual check-ups were attended less by women, the elderly, and those with nontraumatic SCI. SCI-specialized outpatient clinic care was less likely to be utilized when individuals with SCI were living with cancer, lived farther away from SCI-specialized treatment facilities or in a minority language region. Specialized inpatient care was less likely to be utilized by women and those with incomplete lesions. CONCLUSIONS SCI-specialized outpatient clinic care must be provided near the residence of individuals with SCI, otherwise non-specialized care is utilized. The reasons why women utilize SCI-specialized care less frequently than men merits further investigation.
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Affiliation(s)
- Elias Ronca
- Swiss Paraplegic Research, Guido A. Zäch Institute, Nottwil, Switzerland. .,Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland.
| | - Anke Scheel-Sailer
- Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland.,Swiss Paraplegic Centre, Nottwil, Switzerland
| | | | - Mirjam Brach
- Swiss Paraplegic Research, Guido A. Zäch Institute, Nottwil, Switzerland.,Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
| | | | - Armin Gemperli
- Swiss Paraplegic Research, Guido A. Zäch Institute, Nottwil, Switzerland.,Department of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
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12
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Impact of complications at admission to rehabilitation on the functional status of patients with spinal cord lesion. Spinal Cord 2020; 58:1282-1290. [PMID: 32533044 DOI: 10.1038/s41393-020-0501-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 05/28/2020] [Accepted: 05/28/2020] [Indexed: 11/08/2022]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVE Aim of the study is to evaluate the impact of complications at admission on the functional status of spinal cord lesions patients. SETTING Rehabilitation hospital in Italy. METHODS Two hundred and seven patients with complications (mostly pressure ulcers) at admission to rehabilitation were matched for neurological level of injury and AIS grade with 207 patients without complications. MEASURES International Standards for Neurological Classification of Spinal Cord Injury, Spinal Cord Independence Measure, Rivermead Mobility Index, and Walking Index for Spinal Cord Injury. These measures were recorded at admission to rehabilitation and at discharge. We also recorded length of acute and rehabilitation stay and discharge destination. STATISTICS Student's T test for paired samples, McNemar's chi-square test. RESULTS Patients with complications at admission suffered more often from a traumatic lesions. The functional status at admission and discharge of the patients without complications was significantly better than the functional status of patients with complications (Spinal Cord Independence Measure mean difference between the two groups 5.7 (CI 2.8-8.5) at admission, and 10 (CI 5.3-14.7) at discharge). Length of stay was significantly higher in patients with complications. Patients with complications were more often institutionalized than their counterparts (46/161 vs. 20/187, odds ratio 0.4 (CI 0.2-0.7)). CONCLUSIONS Complications seem to be more frequent in patients with traumatic lesions. The presence of complications has a negative effect on patients' functional status at discharge and length of stay, and it determines a higher risk of being institutionalized.
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13
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Richard-Denis A, Beauséjour M, Thompson C, Nguyen BH, Mac-Thiong JM. Early Predictors of Global Functional Outcome after Traumatic Spinal Cord Injury: A Systematic Review. J Neurotrauma 2018; 35:1705-1725. [PMID: 29455634 DOI: 10.1089/neu.2017.5403] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Accurately predicting functional recovery is an asset for all clinicians and decision makers involved in the care of patients with acute traumatic spinal cord injury (TSCI). Unfortunately, there is a lack of information on the relative importance of significant predictors of global functional outcome. There is also a need for identifying functional predictors that can be timely optimized by the medical and rehabilitation teams throughout the hospitalizations phases. The main objective of this work was to systematically review and rate early factors that are consistently and independently associated with global functional outcome in individuals with TSCI. A literature search using MEDLINE, EMBASE, and Cochrane databases from January 1, 1970 to April 1, 2017 was performed. Two authors independently reviewed the titles and abstracts yielded by this literature search and subsequently selected studies to be included based on predetermined eligibility criteria. Disagreements were resolved by a consensus-based discussion, and if not, by an external reviewer. Data were extracted by three independent reviewers using a standardized table. The quality of evidence of the individual studies was assessed based on the Oxford Center for Evidence-Based Medicine modified by Wright and colleagues (2000) as well as the National Institutes of Health (2014). Fifteen articles identifying early clinical predictors of functional outcome using multiple regression analyses were included in this systematic review. Based on the compiled data, this review proposes a rating of early factors associated to global functional outcome according to their importance and their potential to be modified by the medical/rehabilitation team throughout the early phases of hospitalization. It also proposes a new conceptual framework that illustrates the impact of specific categories of factors and their interaction with each other. Ultimately, this review aims to guide clinicians and researchers in improving the continuum of care throughout early phases post-SCI.
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Affiliation(s)
- Andréane Richard-Denis
- 1 Hôpital du Sacré-Cœur de Montréal , Montréal, Quebec, Canada .,2 Department of Medicine, Faculty of Medicine, University of Montréal , Montréal, Quebec, Canada
| | - Marie Beauséjour
- 4 Sainte-Justine University Hospital Research Center , Montréal, Quebec, Canada
| | | | - Bich-Han Nguyen
- 2 Department of Medicine, Faculty of Medicine, University of Montréal , Montréal, Quebec, Canada .,5 Institut de réadaptation Gingras-Lindsay de Montréal , Montréal, Quebec, Canada
| | - Jean-Marc Mac-Thiong
- 1 Hôpital du Sacré-Cœur de Montréal , Montréal, Quebec, Canada .,3 Department of Surgery, Faculty of Medicine, University of Montréal , Montréal, Quebec, Canada .,4 Sainte-Justine University Hospital Research Center , Montréal, Quebec, Canada
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14
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Richard-Denis A, Feldman D, Thompson C, Albert M, Mac-Thiong JM. The impact of a specialized spinal cord injury center as compared with non-specialized centers on the acute respiratory management of patients with complete tetraplegia: an observational study. Spinal Cord 2017; 56:142-150. [PMID: 29138486 DOI: 10.1038/s41393-017-0003-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 08/12/2017] [Accepted: 08/14/2017] [Indexed: 12/31/2022]
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVES To compare the proportion of tracheostomy placement and duration of mechanical ventilation (MV) in patients with a complete cervical spinal cord injury (SCI) that were managed early or lately in a specialized acute SCI-center. The second objective was to determine the impact of the timing of admission to the SCI-center on the MV support duration. SETTING A single Level-1 trauma center specialized in SCI care in Quebec (Canada). METHODS A cohort of 81 individuals with complete tetraplegia over a 6-years period was included. Group 1 (N = 57- early group-) was admitted before surgical management in one specialized acute SCI-center, whereas Group 2 (N = 24 -late group-) was surgically managed in a non-specialized center and transferred to the SCI-center for post-operative management only. The proportion of tracheostomy placement and MV duration were compared. Multivariate regression analysis was used to assess the impact of the timing of admission to the SCI-center on the MV duration during the SCI-center stay. RESULTS Patients in Group 2 had a higher proportion of tracheostomy (70.8 vs. 35.1%, p = 0.004) and a higher mean duration of MV support (68.0 ± 64.2 days vs. 21.8 ± 29.7 days, p = 0.006) despite similar age, trauma severity (ISS), neurological level of injury and proportion of pneumonia. Later transfer to the specialized acute SCI-center was the main predictive factor of longer MV duration, with a strong impact factor (s = 946.7, p < 0.001). CONCLUSIONS Early admission to a specialized acute SCI-center for surgical and peri-operative management after a complete tetraplegia is associated with lower occurrence of tracheostomy and shorter mechanical ventilation duration support. SPONSORSHIP MENTOR Program of the Canadian Institute of Health Research and US Department of Defense Spinal Cord Injury Research Program.
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Affiliation(s)
- Andréane Richard-Denis
- Research Center, Hopital du Sacré-Cœur de Montréal, Montréal, QC, Canada. .,Faculty of Medicine, University of Montreal, CP 6128, Succ Centre-ville, Pavillon 7077 Avenue du Parc, Montréal, Québec, Canada.
| | - Debbie Feldman
- Faculty of Medicine, University of Montreal, CP 6128, Succ Centre-ville, Pavillon 7077 Avenue du Parc, Montréal, Québec, Canada
| | - Cynthia Thompson
- Research Center, Hopital du Sacré-Cœur de Montréal, Montréal, QC, Canada
| | - Martin Albert
- Research Center, Hopital du Sacré-Cœur de Montréal, Montréal, QC, Canada.,Faculty of Medicine, University of Montreal, CP 6128, Succ Centre-ville, Pavillon 7077 Avenue du Parc, Montréal, Québec, Canada
| | - Jean-Marc Mac-Thiong
- Research Center, Hopital du Sacré-Cœur de Montréal, Montréal, QC, Canada.,Faculty of Medicine, University of Montreal, CP 6128, Succ Centre-ville, Pavillon 7077 Avenue du Parc, Montréal, Québec, Canada.,CHU Ste-Justine, Montreal, Canada
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