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Isaac CJ, Moore L, Bérubé M, Belzile É, Malo C, Giroux M, Belcaid A, Abiala G, Trépanier D, Émond M, Dionne CE. Predictors of adverse outcomes in elders hospitalised for isolated orthopaedic trauma: a multicentre cohort study. Emerg Med J 2024; 41:168-175. [PMID: 38233107 DOI: 10.1136/emermed-2023-213088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 12/29/2023] [Indexed: 01/19/2024]
Abstract
BACKGROUND Patients >64 years of age now represent more than 51% of injury hospitalisations in Canada. The tools used to identify older patients who could benefit the most from an interdisciplinary approach include complex parameters difficult to collect in the ED, which suggests that better tools with higher accuracy and using items that can be derived from routinely collected data are needed. We aimed to identify variables that are associated with adverse outcomes in older patients admitted to a trauma centre for an isolated orthopaedic injury. METHODS We conducted a multicentre retrospective cohort study between 1 April 2013 and 31 March 2019 on older patients hospitalised with a primary diagnosis of isolated orthopaedic injury (n=19 928). Data were extracted from the provincial trauma registry (Registre des traumatismes du Québec). We used multilevel logistic regression to estimate the associations between potential predictors and adverse outcomes (extended length of stay, mortality, complications, unplanned readmission and adverse discharge destination). RESULTS Increasing age, male sex, specific comorbidities, type of orthopaedic injuries, increasing number of comorbidities, severe orthopaedic injury, head injuries and admission in the year before the injury were all significant predictors of adverse outcomes. CONCLUSION We identified eight predictors of adverse outcomes in patients >64 years of age admitted to a trauma centre for orthopaedic injury. These variables could eventually be used to develop a clinical decision rule to identify elders who may benefit the most from interdisciplinary care.
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Affiliation(s)
- Chartelin Jean Isaac
- Department of Social and Preventive Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, Canada
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
| | - Lynne Moore
- Department of Social and Preventive Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, Canada
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
| | - Mélanie Bérubé
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
- Faculty of Nursing, Université Laval, Québec City, Québec, Canada
| | - Étienne Belzile
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
- Department of Orthopedic Surgery, CHU de Québec-Université Laval, Québec City, Québec, Canada
| | - Christian Malo
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
- Department of Emergency Medicine and Family Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, Canada
| | - Marianne Giroux
- Department of Social and Preventive Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, Canada
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
| | - Amina Belcaid
- Institut National d'Excellence en Santé et en Services Sociaux du Québec, Québec City, Québec, Canada
| | - Godwill Abiala
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
- Institut National d'Excellence en Santé et en Services Sociaux du Québec, Québec City, Québec, Canada
| | - David Trépanier
- Department of Emergency Medicine and Family Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, Canada
| | - Marcel Émond
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
- Department of Emergency Medicine and Family Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, Canada
| | - Clermont E Dionne
- Department of Social and Preventive Medicine, Faculty of Medicine, Université Laval, Québec City, Québec, Canada
- Population Health and Optimal Health Practices Research Unit, Centre de recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada
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Benhamed A, Batomen B, Boucher V, Yadav K, Isaac CJ, Mercier E, Bernard F, Blais-L'écuyer J, Tazarourte K, Emond M. Relationship between systolic blood pressure and mortality in older vs younger trauma patients - a retrospective multicentre observational study. BMC Emerg Med 2023; 23:105. [PMID: 37726708 PMCID: PMC10508012 DOI: 10.1186/s12873-023-00863-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 08/02/2023] [Indexed: 09/21/2023] Open
Abstract
BACKGROUND The population of older trauma patients is increasing. Those patients have heterogeneous presentations and need senior-friendly triaging tools. Systolic blood pressure (SBP) is commonly used to assess injury severity, and some authors advocated adjusting SBP threshold for older patients. We aimed to describe and compare the relationship between mortality and SBP in older trauma patients and their younger counterparts. METHODS We included patients admitted to three level-I trauma centres and performed logistic regressions with age and SBP to obtain mortality curves. Multivariable Logistic regressions were performed to measure the association between age and mortality at different SBP ranges. Subgroup analyses were conducted for major trauma and severe traumatic brain injury admissions. RESULTS A total of 47,661 patients were included, among which 12.9% were aged 65-74 years and 27.3% were ≥ 75 years. Overall mortality rates were 3.9%, 8.1%, and 11.7% in the groups aged 16-64, 65-74, and ≥ 75 years, respectively. The relationship between prehospital SBP and mortality was nonlinear (U-shape), mortality increased with each 10 mmHg SBP decrement from 130 to 50 mmHg and each 10-mmHg increment from 150 to 220 mmHg across all age groups. Older patients were at higher odd for mortality in all ranges of SBP. The highest OR in patients aged 65-74 years was 3.67 [95% CI: 2.08-6.45] in the 90-99 mmHg SBP range and 7.92 [95% CI: 5.13-12.23] for those aged ≥ 75 years in the 100-109 mmHg SBP range. CONCLUSION The relationship between SBP and mortality is nonlinear, regardless of trauma severity and age. Older age was associated with a higher odd of mortality at all SBP points. Future triage tools should therefore consider SBP as a continuous rather than a dichotomized predictor.
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Affiliation(s)
- Axel Benhamed
- CHU de Québec-Université Laval Research Centre, Québec, Québec, Canada
- Département de Médecine Familiale et de Médecine d'urgence, Université Laval, Québec, Québec, Canada
- Hospices Civils de Lyon, Service d'Accueil des Urgences - SAMU 69, Centre Hospitalier Universitaire Edouard Herriot, Lyon, 69003, France
| | - Brice Batomen
- CHU de Québec-Université Laval Research Centre, Québec, Québec, Canada
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Valérie Boucher
- CHU de Québec-Université Laval Research Centre, Québec, Québec, Canada
| | - Krishan Yadav
- Department of Emergency Medicine, University of Ottawa, Ottawa, ON, Canada
- Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | | | - Eric Mercier
- CHU de Québec-Université Laval Research Centre, Québec, Québec, Canada
- Département de Médecine Familiale et de Médecine d'urgence, Université Laval, Québec, Québec, Canada
| | - Francis Bernard
- Critical Care Unit, Hopital du Sacre-Coeur de Montreal, Montreal, QC, Canada
| | - Julien Blais-L'écuyer
- Département de Médecine Familiale et de Médecine d'urgence, Université Laval, Québec, Québec, Canada
| | - Karim Tazarourte
- Hospices Civils de Lyon, Service d'Accueil des Urgences - SAMU 69, Centre Hospitalier Universitaire Edouard Herriot, Lyon, 69003, France
- Research on Healthcare Performance (RESHAPE), INSERM U1290, Université Claude Bernard Lyon 1, Lyon, 69003, France
| | - Marcel Emond
- CHU de Québec-Université Laval Research Centre, Québec, Québec, Canada.
- Département de Médecine Familiale et de Médecine d'urgence, Université Laval, Québec, Québec, Canada.
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Benhamed A, Isaac CJ, Boucher V, Yadav K, Mercier E, Moore L, D'Astous M, Bernard F, Dubucs X, Gossiome A, Emond M. Effect of age on the association between the Glasgow Coma Scale and the anatomical brain lesion severity: a retrospective multicentre study. Eur J Emerg Med 2023; 30:271-279. [PMID: 37161755 DOI: 10.1097/mej.0000000000001041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Background and importance Older adults are at higher risk of undertriage and mortality following a traumatic brain injury (TBI). Early identification and accurate triage of severe cases is therefore critical. However, the Glasgow Coma Scale (GCS) might lack sensitivity in older patients. Objective This study investigated the effect of age on the association between the GCS and TBI severity. Design, settings, and participants This multicentre retrospective cohort study (2003-2017) included TBI patients aged ≥16 years with an Abbreviated Injury Scale (AIS of 3, 4 or 5). Older adults were defined as aged 65 and over. Outcomes measure and analysis Median GCS score were compared between older and younger adults, within subgroups of similar AIS. Multivariable logistic regressions were computed to assess the association between age and mortality. The primary analysis comprised patients with isolated TBI, and secondary analysis included patients with multiple trauma. Main results A total of 12 562 patients were included, of which 9485 (76%) were isolated TBIs. Among those, older adults represented 52% ( n = 4931). There were 22, 27 and 51% of older patients with an AIS-head of 3, 4 and 5 respectively compared to 32, 25 and 43% among younger adults. Within the different subgroups of patients, median GCS scores were higher in older adults: 15 (14-15) vs. 15 (13-15), 15 (14-15) vs. 14 (13-15), 15 (14-15) vs. 14 (8-15), for AIS-head 3, 4 and 5 respectively (all P < 0.0001). Older adults had increased odds of mortality compared to their younger counterparts at all AIS-head levels: AIS-head = 3 [odds ratio (OR) = 2.9, 95% confidence interval (CI) 1.6-5.5], AIS-head = 4, (OR = 2.7, 95% CI 1.6-4.7) and AIS-head = 5 (OR = 2.6, 95% CI 1.9-3.6) TBI (all P < 0.001). Similar results were found among patients with multiple trauma. Conclusions In this study, among TBI patients with similar AIS-head score, there was a significant higher median GCS in older patients compared to younger patients.
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Affiliation(s)
- Axel Benhamed
- Service SAMU-Urgences, Centre Hospitalier Universitaire Édouard Herriot-Université Claude Bernard Lyon 1, Lyon, France
- CHU de Québec-Université Laval Research Centre, Québec, Québec
| | | | - Valérie Boucher
- CHU de Québec-Université Laval Research Centre, Québec, Québec
| | - Krishan Yadav
- Department of Emergency Medicine-University of Ottawa
- Ottawa Hospital Research Institute, Ottawa, Ontario
| | - Eric Mercier
- CHU de Québec-Université Laval Research Centre, Québec, Québec
- Département de médecine d'urgence et médecine familiale, Université Laval
| | - Lynne Moore
- Department of Social and Preventative Medicine, Université Laval, Québec, Québec
| | | | - Francis Bernard
- Services de soins intensifs, Hôpital du Sacré-Coeur de Montréal (CIUSSS-NIM)-Université de Montréal, Montréal, Québec, Canada
| | - Xavier Dubucs
- Service d'urgence, Centre Hospitalier Universitaire de Toulouse, Toulouse, France
| | - Amaury Gossiome
- Service SAMU-Urgences, Centre Hospitalier Universitaire Édouard Herriot-Université Claude Bernard Lyon 1, Lyon, France
- CHU de Québec-Université Laval Research Centre, Québec, Québec
| | - Marcel Emond
- CHU de Québec-Université Laval Research Centre, Québec, Québec
- Département de médecine d'urgence et médecine familiale, Université Laval
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Benhamed A, Batomen B, Boucher V, Yadav K, Mercier É, Isaac CJ, Bérubé M, Bernard F, Chauny JM, Moore L, Sirois MJ, Tazarourte K, Gossiome A, Émond M. Epidemiology, injury pattern and outcome of older trauma patients: A 15-year study of level-I trauma centers. PLoS One 2023; 18:e0280345. [PMID: 36716316 PMCID: PMC9886263 DOI: 10.1371/journal.pone.0280345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 12/26/2022] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Older adults have become a significant portion of the trauma population. Exploring their specificities is crucial to better meet their specific needs. The primary objective was to evaluate the temporal changes in the incidence, demographic and trauma characteristics, injury pattern, in-hospital admission, complications, and outcome of older trauma patients. METHODS A multicenter retrospective cohort study was conducted using the Quebec Trauma Registry. Patients aged ≥16 years admitted to one of the three adult level-I trauma centers between 2003 and 2017 were included. Descriptive analyses and trend-tests were performed to describe temporal changes. RESULTS A total of 53,324 patients were included, and 24,822 were aged ≥65 years. The median [IQR] age increased from 57[36-77] to 67[46-82] years, and the proportion of older adults rose from 41.8% in 2003 to 54.1% in 2017. Among those, falls remain the main mechanism (84.7%-88.3%), and the proportion of severe thorax (+8.9%), head (+8.7%), and spine (+5%) injuries significantly increased over time. The proportion of severely injured older patients almost doubled (17.6%-32.3%), yet their mortality decreased (-1.0%). Their average annual bed-days consumption also increased (+15,004 and +1,437 in non-intensive care wards and ICU, respectively). CONCLUSIONS Since 2014, older adults have represented the majority of admissions in Level-I trauma centers in Québec. Their bed-days consumption has greatly increased, and their injury pattern and severity have deeply evolved, while we showed a decrease in mortality.
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Affiliation(s)
- Axel Benhamed
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine d’urgence, CHU de Québec-Université Laval, Québec, QC, Canada
- Hospices Civils de Lyon, Service d’Accueil des Urgences–SAMU 69, Centre Hospitalier Universitaire Édouard Herriot, Lyon, France
- Research On Healthcare Performance (RESHAPE), INSERM U1290, Université Claude Bernard Lyon 1, Lyon, France
| | - Brice Batomen
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Dalla Lana school of public health, University of Toronto, Toronto, Ontario, Canada
| | - Valérie Boucher
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
| | - Krishan Yadav
- Department of Emergency Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Éric Mercier
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine d’urgence, CHU de Québec-Université Laval, Québec, QC, Canada
| | | | - Mélanie Bérubé
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Faculty of Nursing, Université Laval, Québec, QC, Canada
| | - Francis Bernard
- Section of Critical Care, Department of Medicine, University of Montreal, Montreal, Canada
| | - Jean- Marc Chauny
- Department of Emergency Medicine, Research Center, CIUSSS-Nord-de-l’Île de-Montréal, Hôpital Sacré-Cœur de Montréal, Montréal, QC, Canada
| | - Lynne Moore
- Department of Social and Preventative Medicine, Université Laval, Québec City, QC, Canada
| | - Marie Josée Sirois
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
| | - Karim Tazarourte
- Hospices Civils de Lyon, Service d’Accueil des Urgences–SAMU 69, Centre Hospitalier Universitaire Édouard Herriot, Lyon, France
- Research On Healthcare Performance (RESHAPE), INSERM U1290, Université Claude Bernard Lyon 1, Lyon, France
| | - Amaury Gossiome
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Hospices Civils de Lyon, Service d’Accueil des Urgences–SAMU 69, Centre Hospitalier Universitaire Édouard Herriot, Lyon, France
| | - Marcel Émond
- Centre de recherche du CHU de Québec-Université Laval, Québec, QC, Canada
- Département de médecine d’urgence, CHU de Québec-Université Laval, Québec, QC, Canada
- * E-mail:
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Abstract
Cyclic voltammetry and differential-pulse voltammetry at mm-sized electrodes were used to measure the decrease in the rate of diffusion of metal complexes upon binding to DNA and to extract the binding constants and effective binding site sizes. A linear correlation was observed between the site size determined electrochemically and the diameter of the complexes [site size: Cu(phen)2(2+) > Fe(phen)3(2+) > Co(bipy)3(3+) approximately Fe(bipy)3(2+) > Ru(NH3)6(3+)]. The binding constants were found to be influenced by the charge of the metal complex, the nature of ligand and the geometry about the metal centre. Competition experiments, in which differential pulse voltammetry was used to observe the release of bound metal complex on addition of a second DNA-binding molecule to the solution, were sensitive to the nature and location of the binding sites for the two species. Steady-state voltammetric experiments at microelectrodes are shown to have a number of advantages over cyclic voltammetry and differential pulse voltammetry at mm-sized electrodes for determination of binding constants. In particular, the steady-state diffusion limited current is directly proportional to the diffusion coefficient, rather than its square root, which improves the discrimination between DNA-bound and freely diffusing metal complex. Further, the kinetics of the binding process do not affect the steady state measurement, whereas for transient techniques, e.g., cyclic voltammetry, only a range of values can be extracted corresponding to the limits of fast and slow binding kinetics compared to the experimental timescale.
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Affiliation(s)
- M Aslanoglu
- Department of Chemistry, Harran University, Sanliurfa, Turkey
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