Displaying publications 1 - 20 of 31 in total

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  1. Anarkooli AJ, Hosseinpour M, Kardar A
    Accid Anal Prev, 2017 Sep;106:399-410.
    PMID: 28728062 DOI: 10.1016/j.aap.2017.07.008
    Rollover crashes are responsible for a notable number of serious injuries and fatalities; hence, they are of great concern to transportation officials and safety researchers. However, only few published studies have analyzed the factors associated with severity outcomes of rollover crashes. This research has two objectives. The first objective is to investigate the effects of various factors, of which some have been rarely reported in the existing studies, on the injury severities of single-vehicle (SV) rollover crashes based on six-year crash data collected on the Malaysian federal roads. A random-effects generalized ordered probit (REGOP) model is employed in this study to analyze injury severity patterns caused by rollover crashes. The second objective is to examine the performance of the proposed approach, REGOP, for modeling rollover injury severity outcomes. To this end, a mixed logit (MXL) model is also fitted in this study because of its popularity in injury severity modeling. Regarding the effects of the explanatory variables on the injury severity of rollover crashes, the results reveal that factors including dark without supplemental lighting, rainy weather condition, light truck vehicles (e.g., sport utility vehicles, vans), heavy vehicles (e.g., bus, truck), improper overtaking, vehicle age, traffic volume and composition, number of travel lanes, speed limit, undulating terrain, presence of central median, and unsafe roadside conditions are positively associated with more severe SV rollover crashes. On the other hand, unpaved shoulder width, area type, driver occupation, and number of access points are found as the significant variables decreasing the probability of being killed or severely injured (i.e., KSI) in rollover crashes. Land use and side friction are significant and positively associated only with slight injury category. These findings provide valuable insights into the causes and factors affecting the injury severity patterns of rollover crashes, and thus can help develop effective countermeasures to reduce the severity of rollover crashes. The model comparison results show that the REGOP model is found to outperform the MXL model in terms of goodness-of-fit measures, and also is significantly superior to other extensions of ordered probit models, including generalized ordered probit and random-effects ordered probit (REOP) models. As a result, this research introduces REGOP as a promising tool for future research focusing on crash injury severity.
    Matched MeSH terms: Injury Severity Score*
  2. Truelle JL, von Wild K, Höfer S, Neugebauer E, Lischetzke T, von Steinbüchel N, et al.
    Acta Neurochir. Suppl., 2008;101:125-9.
    PMID: 18642646
    There is no disease-specific health-related quality of life (HRQoL) tool devoted to traumatic brain injury (TBI).
    Matched MeSH terms: Injury Severity Score
  3. Sethi D, Aljunid S, Saperi SB, Clemens F, Hardy P, Elbourne D, et al.
    Ann Emerg Med, 2007 Jan;49(1):52-61, 61.e1.
    PMID: 17084938
    STUDY OBJECTIVE: The trauma services provided by 6 hospitals operating at 2 levels of care (4 secondary or district general hospitals and 2 tertiary care hospitals) in Malaysia are compared in terms of mortality and disability for direct admissions to emergency departments to test the hypothesis that care at a tertiary care hospital is better than at a district general hospital.
    METHODS: All cases were recruited prospectively for 1 year. The hospitals were purposefully selected as typical for Malaysia. There are 3 primary outcome measures: death, musculoskeletal impairment, and disability at discharge. Adjustment was made for potential covariates and within-hospital clustering by using multivariable random-effects logistic regression analysis.
    RESULTS: For direct admissions, logistic-regression-identified odds of dying were associated with older age (>55 years), odds ratio (OR) 1.9 (95% confidence interval [CI] 1.3 to 2.8); head injury, OR 2.7 (95% CI 1.9 to 3.9); arrival by means other than ambulance, OR 0.6 (95% CI 0.4 to 0.8); severe injuries (Injury Severity Score >15) at a district general hospital, OR 45.2 (95% CI 27.0 to 75.7); severe injuries at a tertiary care hospital, OR 11.2 (95% CI 7.3 to 17.3); and admission to a tertiary care hospital compared to a district general hospital if severely injured (Injury Severity Score >15), OR 0.2 (95% CI 0.1 to 0.4). Admission to a tertiary care hospital was associated with increased odds of disability (OR 1.9; 95% CI 1.5 to 2.3) and musculoskeletal impairment (OR 3.5; 95% CI 2.7 to 4.4) at discharge.
    CONCLUSION: Care at a tertiary care hospital was associated with reduced mortality (by 83% in severe injuries), but with a higher likelihood of disability and impairment, which has implications for improving access to trauma services for the severely injured in Malaysia and other low- and middle-income settings.
    Matched MeSH terms: Injury Severity Score
  4. Alias A, Krishnapillai R, Teng HW, Abd Latif AZ, Adnan JS
    Asian J Surg, 2005 Jul;28(3):168-70.
    PMID: 16024308
    OBJECTIVE: Head injury caused by fan blades is rare among children. We analysed 14 cases of such injury and discuss the causes, type of injury and preventive measures.

    METHODS: A retrospective analysis of 14 cases of children who were admitted to the Pediatric Neurosurgical Unit of Hospital Kuala Lumpur after sustaining head injuries caused by fan blades between January 2000 and December 2002 was performed.

    RESULTS: The causes of fan-blade head injury included jumping on the upper bunk of a bunk-bed, climbing on a ladder, climbing up onto a table, and being lifted by an adult. Thirteen patients were injured by ceiling fans and one by falling onto an uncovered table fan. School-aged boys were the predominant victims. Mean patient age was 7.9 years (range, 1.0-12.2 years). There was a twin peak incidence of when the accidents occurred: just before lunch in the afternoon and bedtime at night. The types of injury were scalp lacerations, compound depressed fractures and multiple intracranial haemorrhages. Two patients had the complication of wound infection, and one of these patients developed cerebral spinal fluid leak. One patient died from severe head injuries.

    CONCLUSION: Safety awareness among parents and caretakers are important as fan-blade head injury among children is preventable.

    Matched MeSH terms: Injury Severity Score
  5. Abdullah JM, Kumaraswamy N, Awang N, Ghazali MM, Abdullah MR
    Asian J Surg, 2005 Jul;28(3):163-7.
    PMID: 16024307
    To use data from a prospective, longitudinal study to determine whether psychomotor functions improve spontaneously during the first year following paediatric traumatic brain injury without modern rehabilitation facilities in a rural area of Malaysia.
    Matched MeSH terms: Injury Severity Score
  6. Ludin SM, Rashid NA
    Enferm Clin, 2019 09;29 Suppl 2:674-680.
    PMID: 31311746 DOI: 10.1016/j.enfcli.2019.04.103
    OBJECTIVE: Severe traumatic brain injury (TBI) survivors show physical and functional improvement but remain with the cognitive and psycho-social problem through our recovery. This study aims to measure the health-related quality of life of TBI survivors within 6 months post-injury.

    METHOD: A cohort study was conducted where 33 severe TBI survivors recruited at two tertiary hospitals. The health-related quality of life was measured using the Quality of Life after Brain Injury (QOLIBRI) tool.

    RESULTS: Participants mean age was 31.79 years old. The impaired range of health-related quality of life on 6 months post-injury seen, but an improvement occurs within 3-6 months post-injury.

    CONCLUSIONS: Age and ventilation duration showed a moderate negative correlation in all domains and length of hospital stay showed a moderate negative correlation to social, daily life and self-domains. Nevertheless, small sample size and time constraint were the limitations of this study.

    Matched MeSH terms: Injury Severity Score
  7. Yeap EJ, Rao J, Pan CH, Soelar SA, Younger ASE
    Foot Ankle Surg, 2016 Sep;22(3):164-169.
    PMID: 27502224 DOI: 10.1016/j.fas.2015.06.008
    BACKGROUND: This study compares the outcomes of calcaneal fracture surgery after open reduction internal fixation and plating (ORIF) versus arthroscopic assisted percutaneous screw fixation (APSF).

    METHODS: Group I (N=12) underwent ORIF. Group II (N=15) underwent APSF. Anthropometric data, pre and post-operative stay, complications and duration off work were recorded in this retrospective case cohort study. Radiographs were analyzed for Bohler's, Gissane's angle and Sanders' classification. AOFAS Hindfoot and SF 36 scores were collected at final follow-up.

    RESULTS: Anthropometric data, Bohler's and Gissane's angles, AOFAS and SF 36 scores were not significantly different. Pre-operative duration was 12.3 days in ORIF and 6.9 days in APSF. Post-operative duration was 7.3 days vs 3.8 days. Duration off work was 6.2 months vs 2.9 months.

    CONCLUSION: The APSF group was able to have surgery earlier, go home faster, and return to work earlier. This study was not powered to demonstrate a difference in wound complication rates.

    Matched MeSH terms: Injury Severity Score
  8. Shahrudin MD, Noori SM
    Hepatogastroenterology, 1997 Mar-Apr;44(14):519-21.
    PMID: 9164529
    To review our experience in managing post-hepatorrhaphy complications in liver trauma.
    Matched MeSH terms: Injury Severity Score
  9. Tan BB, Chan CY, Saw LB, Kwan MK
    Indian J Orthop, 2012 Nov;46(6):710-3.
    PMID: 23325978 DOI: 10.4103/0019-5413.104235
    Unstable spine fractures commonly occur in the setting of a polytraumatized patient. The aim of management is to balance the need for early operative stabilization and prevent additional trauma due to the surgery. Recent published literature has demonstrated the benefits of early stabilization of an unstable spine fracture particularly in patients with higher injury severity score (ISS). We report two cases of polytrauma with unstable spine fractures stabilized with a minimally invasive percutaneous pedicle screw instrumentation system as a form of damage control surgery. The patients had good recovery from the polytrauma injuries. These two cases illustrate the role of minimally invasive stabilization, its limitations and technical pitfalls in the management of unstable spine fractures in the polytrauma setting as a form of damage control surgery.
    Matched MeSH terms: Injury Severity Score
  10. Chen WS, Tan JH, Mohamad Y, Imran R
    Injury, 2019 May;50(5):1118-1124.
    PMID: 30591225 DOI: 10.1016/j.injury.2018.12.031
    BACKGROUND: The establishment of an accurate prognostic model in major trauma patients is important mainly because this group of patients will benefit the most. Clinical prediction models must be validated internally and externally on a regular basis to ensure the prediction is accurate and current. This study aims to externally validate two prediction models, the Trauma and Injury Severity Score model developed using the Major Trauma Outcome Study in North America (MTOS-TRISS model), and the NTrD-TRISS model, which is a refined MTOS-TRISS model with coefficients derived from the Malaysian National Trauma Database (NTrD), by regarding mortality as the outcome measurement.

    METHOD: This retrospective study included patients with major trauma injuries reported to a trauma centre of Hospital Sultanah Aminah over a 6-year period from 2011 and 2017. Model validation was examined using the measures of discrimination and calibration. Discrimination was assessed using the area under the receiver operating characteristic curve (AUC) and 95% confidence interval (CI). The Hosmer-Lemeshow (H-L) goodness-of-fit test was used to examine calibration capabilities. The predictive validity of both MTOS-TRISS and NTrD-TRISS models were further evaluated by incorporating parameters such as the New Injury Severity Scale and the Injury Severity Score.

    RESULTS: Total patients of 3788 (3434 blunt and 354 penetrating injuries) with average age of 37 years (standard deviation of 16 years) were included in this study. All MTOS-TRISS and NTrD-TRISS models examined in this study showed adequate discriminative ability with AUCs ranged from 0.86 to 0.89 for patients with blunt trauma mechanism and 0.89 to 0.99 for patients with penetrating trauma mechanism. The H-L goodness-of-fit test indicated the NTrD-TRISS model calibrated as good as the MTOS-TRISS model for patients with blunt trauma mechanism.

    CONCLUSION: For patients with blunt trauma mechanism, both the MTOS-TRISS and NTrD-TRISS models showed good discrimination and calibration performances. Discrimination performance for the NTrD-TRISS model was revealed to be as good as the MTOS-TRISS model specifically for patients with penetrating trauma mechanism. Overall, this validation study has ascertained the discrimination and calibration performances of the NTrD-TRISS model to be as good as the MTOS-TRISS model particularly for patients with blunt trauma mechanism.

    Matched MeSH terms: Injury Severity Score
  11. Tan JH, Mohamad Y, Imran Alwi R, Henry Tan CL, Chairil Ariffin A, Jarmin R
    Injury, 2019 May;50(5):1125-1132.
    PMID: 30686543 DOI: 10.1016/j.injury.2019.01.027
    BACKGROUND: Most trauma mortality prediction scores are complex in nature. GAP (Glasgow Coma Scale, Age, Systolic blood pressure) and mGAP (mechanism, Glasgow Coma Scale, Age, Systolic blood pressure) scores are relatively simple scoring tools. However, these scores were not validated in low and middle income countries including Malaysia and its accuracies are influenced by the fluctuating physiologic parameters. This study aims to develop a relevant simplified anatomic trauma scoring system for the local trauma patients in Malaysia.

    METHOD: A total of 3825 trauma patients from 2011 to 2016 were extracted from the Hospital Sultanah Aminah Trauma Surgery Registry. Patients were split into a development sample (n = 2683) and a validation sample (n = 1142). Univariate analysis is applied to identify significant anatomic predictors. These predictors were further analyzed using multivariable logistic regression to develop the new score and compared to existing score systems. The quality of prediction was determined regarding discrimination using sensitivity, specificity and receiver operating characteristic [ROC] curve.

    RESULTS: Existing simplified score systems (GAP & mGAP) revealed areas under the ROC curve of 0.825 and 0.806. The newly developed HeCLLiP (Head, cervical spine, lung, liver, pelvic fracture) score combines only five anatomic components: injury involving head, cervical spine, lung, liver and pelvic bone. The probabilities of mortality can be estimated by charting the total score points onto a graph chart or using the cut-off value of (>2) with a sensitivity of 79.2 and specificity of 70.6% on the validation dataset. The HeCLLiP score achieved comparable values of 0.802 for the area under the ROC curve in validation samples.

    CONCLUSION: HeCLLiP Score is a simplified anatomic score suited to the local Malaysian population with a good predictive ability for trauma mortality.

    Matched MeSH terms: Injury Severity Score
  12. Ramli R, Mohd Yunus SS
    PMID: 32187977 DOI: 10.3390/ijerph17061922
    The child restraint legislation in Malaysia becomes mandatory from 1 January 2020. Prior to commencement of the rule, a survey showed that only 36% of Malaysian parents were aware of the importance of a child restraint system (CRS) and only 27% usage was reported during travel. The Malaysian Institute of Road Safety report showed that children transported in private vehicles were the leading groups of casualties among children aged 1 to 4 years old (43.8%) and 5 to 9 years old (30.2%), respectively. We performed a narrative review using the PubMed, ScienceDirect and Google Scholar databases using keywords such as child restraint system, unrestrained injuries, Malaysia and epidemiology. The objectives of this review were: (1) to determine the prevalence on the use of CRS in Malaysia, (2) to evaluate the injuries related to unrestrained children and (3) to show the nation's preparation towards implementation of the child restraint law. Six papers on prevalence, one paper on injury and six mainstream newspaper were included in this study. The prevalence of a CRS use was shown between 5% to 41.8%. In relation to injury, the only publication from this country showed that among 19 children involved in a car crash, five (26.3%) children had non-craniomaxillofacial (CMF) injuries, ten (52.6%) with CMF injuries only, two (10.5%) with both CMF and non-CMF injuries and two (10.5%) without any injury. Overall, the Injury Severity Score (ISS) range was between 0 to 13 (median, 1.00; interquartile range, 1). Preparation to comply with the best practice of the child restraint law is still ongoing, especially those addressing the issues related to the low-income parents in the country. Due to scarcity of publication and data on the CRS use and injuries related to its non-usage, it is advocated that parallel with the implementation legislation, vigorous forms of public education as well as good data management must be performed and monitored regularly by the road safety authority in this country.
    Matched MeSH terms: Injury Severity Score
  13. Ramli R, Oxley J, Noor FM, Abdullah NK, Mahmood MS, Tajuddin AK, et al.
    J Forensic Leg Med, 2014 Aug;26:39-45.
    PMID: 25066171 DOI: 10.1016/j.jflm.2014.06.007
    Motorcycle fatalities constitute the majority of road traffic deaths in Malaysia. The aims of this study were to describe the pattern of fatal injuries among Klang Valley fatal motorcyclists and to describe the factors associated with fatal (vs non-fatal) injuries.
    Matched MeSH terms: Injury Severity Score
  14. Foead A, Penafort R, Saw A, Sengupta S
    J Orthop Surg (Hong Kong), 2004 Jun;12(1):76-82.
    PMID: 15237126
    To conduct a prospective randomised controlled study to compare the stability and risk of nerve injury between fractures treated by medial-lateral pin fixation and those treated by 2-lateral pin fixation.
    Matched MeSH terms: Injury Severity Score
  15. Halim AS, Yusof I
    J Orthop Surg (Hong Kong), 2004 Jun;12(1):110-3.
    PMID: 15237132
    Management of severe open tibial fracture with neurovascular injury is difficult and controversial. Primary amputation is an acceptable option as salvaging the injured, insensate, and ischaemic limb may result in chronic osteomyelitis and non-functional limb. We report a case of open tibial fracture associated with segmental bone and soft tissue loss, posterior tibial nerve and artery injuries, which was further complicated by chronic osteo-myelitis treated with composite vascularised osteocutaneous fibula and sural nerve graft. Functional outcome of the injured limb at one-year follow-up was satisfactory: the patient was capable of achieving full weightbearing and was able to appreciate crude touch, pain, proprioception, and temperature at the plantar aspect of the foot. There was no pressure sore or ulceration.
    Matched MeSH terms: Injury Severity Score
  16. Khademolhosseini M, Abd Rashid AH, Ibrahim S
    J Pediatr Orthop B, 2013 Mar;22(2):123-6.
    PMID: 23222035 DOI: 10.1097/BPB.0b013e32835b2e14
    A retrospective study of nerve injuries with displaced supracondylar fractures of the humerus in children younger than 12 years of age, treated in Hospital Universiti Kebangsaan Malaysia. Our objectives were to determine the incidence of primary and iatrogenic nerve injuries in supracondylar humerus fractures Gartland types II and III and to determine the outcome of nerve recovery. A total of 272 patients with displaced supracondylar humerus fractures who required admission to Hospital Universiti Kebangsaan Malaysia from January 2000 to December 2007 were reviewed. There were 182 boys (67%) and 90 girls (33%). The mean age was 6.0 years, ranging from 1 to 12 years. Of 272 supracondylar fractures, 79 were type II and 193 were type III. Fifty-one (19%) patients had closed reduction, 160 (59%) had closed reduction and percutaneous crossed Kirschner (K) wires, and 61 (22%) had open reduction and crossed K-wires. Associated nerve injuries involving the median, radial, and ulnar nerves were observed in 48 (18%) patients. Nerve injuries were observed in nine (3%) patients upon admission. Thirty-nine (14%) patients developed nerve injuries following treatment. Of these 39 patients, 34 had ulnar, three had radial, and two had median nerve injuries. Nerve exploration was performed in five patients (in four patients following debridement of open fracture and in one because of unacceptable postoperative radiographs, and they subsequently underwent open reduction and exploration). Except for these five patients, the K-wires were not removed earlier nor were the nerves surgically explored in others. The nerve injuries resolved clinically on an average time of 3.5 months (range from 3 weeks to 8 months). Our study found complete resolution of all patients with nerve injuries confirmed by clinical assessment. On the basis of our study, we believe that there is no indication to remove the K-wires immediately or to explore the nerve surgically following a mini-open technique, which reduces the risk of penetrating a nerve during pinning.
    Matched MeSH terms: Injury Severity Score
  17. Usman J, McIntosh AS, Quarrie K, Targett S
    J Sci Med Sport, 2015 Sep;18(5):529-33.
    PMID: 25156881 DOI: 10.1016/j.jsams.2014.07.020
    Shoulder injuries in rugby union football have been the focus of few in-depth studies, despite their frequency and severity. The study's objective was to describe the incidence, patterns and mechanisms of shoulder injuries in rugby.
    Matched MeSH terms: Injury Severity Score
  18. Abdul Halim Mansar, Muhammad Aadeel T., Khairul Osman, Sharin Iskandar, A.W.
    MyJurnal
    The abdominal pelvic cavity has always been regarded as one of the most vulnerable regions of the body. Injuries to this part have been known to be very serious. Based on this a retrospective study was performed on postmortem cases with abdominal and pelvic trauma from 1 October 2002 to 31 January 2003 at the Forensic Institute, Hospital Kuala Lumpur to determine the common pattern of abdomino-pelvic injuries, the injury’s relationship to epidemiological and socio-economic factors, risk organ within the abdominopelvic region and relationship between injuries and survival period. A total of 122 cases abdomino-pelvic were obtained stemming from medico legal postmortems procedures. Results indicated that those aged between 21 to 30 years (38.5%) had the highest incidence of this type of injury. Categorization based on gender showed that males (90.2%) dominated most of the cases. Prevalence based on socio-economic status showed that lower socioeconomy class (52.5%) had the highest incident. This was followed by the middle income (39.3%) and finally the higher income group. The most numerous type of trauma was non-penetrating trauma (94.3%). It was also found that victims with low injury severity score (ISS) had a longer survival period as compared to those with high ISS. It was also noted that victims with two or more region injuries either were spot dead or brought dead. The most common combination of injuries was abdomen, pelvic, chest and limb. In most blunt trauma cases majority of victims had one or two organ involvement while penetrating injuries were difficult to asses. The most common organ involved in this type of trauma was liver (72.1%), pelvic bone (47.5%) and spleen (43.4%). In conclusion, abdomino-pelvic injury is a serious condition and should not be overlooked. Proper attention towards their diagnosis and management is important and so any patient of head injury with coma must be considered as having intra-abdominal injury until proven otherwise.
    Matched MeSH terms: Injury Severity Score
  19. Chen CH, Shin SD, Sun JT, Jamaluddin SF, Tanaka H, Song KJ, et al.
    PLoS Med, 2020 10;17(10):e1003360.
    PMID: 33022018 DOI: 10.1371/journal.pmed.1003360
    BACKGROUND: Whether rapid transportation can benefit patients with trauma remains controversial. We determined the association between prehospital time and outcome to explore the concept of the "golden hour" for injured patients.

    METHODS AND FINDINGS: We conducted a retrospective cohort study of trauma patients transported from the scene to hospitals by emergency medical service (EMS) from January 1, 2016, to November 30, 2018, using data from the Pan-Asia Trauma Outcomes Study (PATOS) database. Prehospital time intervals were categorized into response time (RT), scene to hospital time (SH), and total prehospital time (TPT). The outcomes were 30-day mortality and functional status at hospital discharge. Multivariable logistic regression was used to investigate the association of prehospital time and outcomes to adjust for factors including age, sex, mechanism and type of injury, Injury Severity Score (ISS), Revised Trauma Score (RTS), and prehospital interventions. Overall, 24,365 patients from 4 countries (645 patients from Japan, 16,476 patients from Korea, 5,358 patients from Malaysia, and 1,886 patients from Taiwan) were included in the analysis. Among included patients, the median age was 45 years (lower quartile [Q1]-upper quartile [Q3]: 25-62), and 15,498 (63.6%) patients were male. Median (Q1-Q3) RT, SH, and TPT were 20 (Q1-Q3: 12-39), 21 (Q1-Q3: 16-29), and 47 (Q1-Q3: 32-60) minutes, respectively. In all, 280 patients (1.1%) died within 30 days after injury. Prehospital time intervals were not associated with 30-day mortality. The adjusted odds ratios (aORs) per 10 minutes of RT, SH, and TPT were 0.99 (95% CI 0.92-1.06, p = 0.740), 1.08 (95% CI 1.00-1.17, p = 0.065), and 1.03 (95% CI 0.98-1.09, p = 0.236), respectively. However, long prehospital time was detrimental to functional survival. The aORs of RT, SH, and TPT per 10-minute delay were 1.06 (95% CI 1.04-1.08, p < 0.001), 1.05 (95% CI 1.01-1.08, p = 0.007), and 1.06 (95% CI 1.04-1.08, p < 0.001), respectively. The key limitation of our study is the missing data inherent to the retrospective design. Another major limitation is the aggregate nature of the data from different countries and unaccounted confounders such as in-hospital management.

    CONCLUSIONS: Longer prehospital time was not associated with an increased risk of 30-day mortality, but it may be associated with increased risk of poor functional outcomes in injured patients. This finding supports the concept of the "golden hour" for trauma patients during prehospital care in the countries studied.

    Matched MeSH terms: Injury Severity Score
  20. Kim DK, Jeong J, Shin SD, Song KJ, Hong KJ, Ro YS, et al.
    PLoS One, 2021;16(10):e0258811.
    PMID: 34695147 DOI: 10.1371/journal.pone.0258811
    Hemorrhage, a main cause of mortality in patients with trauma, affects vital signs such as blood pressure and heart rate. Shock index (SI), calculated as heart rate divided by systolic blood pressure, is widely used to estimate the shock status of patients with hemorrhage. The difference in SI between the emergency department and prehospital field can indirectly reflect urgency after trauma. We aimed to determine the association between delta SI (DSI) and in-hospital mortality in patients with torso or extremity trauma. Patients with DSI >0.1 are expected to be associated with high mortality. This retrospective, observational study used data from the Pan-Asian Trauma Outcomes Study. Patients aged 18-85 years with abdomen, chest, upper extremity, lower extremity, or external injury location were included. Patients from China, Indonesia, Japan, Philippines, Thailand, and Vietnam; those who were transferred from another facility; those who were transferred without the use of emergency medical service; those with prehospital cardiac arrest; those with unknown exposure and outcomes were excluded. The exposure and primary outcome were DSI and in-hospital mortality, respectively. The secondary and tertiary outcome was intensive care unit (ICU) admission and massive transfusion, respectively. Multivariate logistic regression analysis was performed to test the association between DSI and outcome. In total, 21,534 patients were enrolled according to the inclusion and exclusion criteria. There were 3,033 patients with DSI >0.1. The in-hospital mortality rate in the DSI >0.1 and ≤0.1 groups was 2.0% and 0.8%, respectively. In multivariate logistic regression analysis, the DSI ≤0.1 group was considered the reference group. The unadjusted and adjusted odds ratios of in-hospital mortality in the DSI >0.1 group were 2.54 (95% confidence interval [CI] 1.88-3.42) and 2.82 (95% CI 2.08-3.84), respectively. The urgency of traumatic hemorrhage can be determined using DSI, which can help hospital staff to provide proper trauma management, such as early trauma surgery or embolization.
    Matched MeSH terms: Injury Severity Score
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