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Objective:To explore the risk factors for early trauma-induced coagulopathy (TIC) following severe trauma in the elderly patients.Methods:A case-control study was used to analyze the clinical data of 317 elderly patients with severe trauma admitted to Second Affiliated Hospital of Zhejiang University School of Medicine between February 2015 and November 2020. There were 212 males and 105 females, aged 65-96 years [(72.6±6.8)years]. The patients were divided into TIC group ( n=32) and non-TIC group ( n=285) using the international normalised ratio (INR)>1.5 as the reference standard. Sex, age, trauma sites, injury severity score (ISS), Glasgow coma scale (GCS), first body temperature on admission, shock index(SI), first laboratory results of arterial blood gas, routine blood and coagulation, blood transfusion, usage of blood product, hospitalization days and clinical outcomes were compared between the two groups. Univariate and multivariate Logistic regression analysis were used to identify the risk factors for early TIC in patients with severe trauma. Results:Differences in sex, age, injuries to the face, chest and abdomen, GCS, first body temperature and hospitalization days were not statistically significant between the two groups (all P>0.05). The two groups showed statistical differences in the ratio of injuries to head, neck and extremities, ISS, SI, pH value, base excess (BE), lactate, hemoglobin (Hb), platelet (PLT) count (first detection, lowest level), activated partial thromboplastin time (APTT), thrombin time (TT), plasma fibrinogen (FIB), blood transfusion and usage of blood product and clinical outcomes (all P<0.05). According to the univariate analysis, injuries to the head, neck and extremities, ISS, first body temperature, SI, pH value, BE, lactate, Hb, PLT, APTT, TT and FIB were correlated with the occurrence of early TIC (all P<0.05). Multiple Logistic regressions analysis showed that SI ( OR=1.54, 95% CI 1.10-2.17, P<0.05), PLT ( OR=0.67, 95% CI 0.49-0.91, P<0.05) and FIB ( OR=0.56, 95% CI 0.40-0.78, P<0.01) were significantly correlated with the occurrence of early TIC. Conclusion:For elderly patients with severe trauma, higher SI, lower PLT count and lower concentration of FIB are independent risk factors for the incidence of early TIC.
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Objective:Based on Braden scale, combined with local skin temperature and local tissue oxygen saturation as microcirculation indicators, to construct a pressure injury risk prognosis model for severe trauma patients, and develop a visual nomogram.Methods:All the trauma patients in the Emergency Intensive Care Unit (EICU) of a tertiary hospital in Zhejiang Province from June 1, 2020 to August 31, 2020 were selected. The Braden scale was used to assess the risk of pressure injury in the patient and measure the patient’s sacral injury. The skin temperature and blood oxygen saturation at the pressure site were used as indicators for microcirculation evaluation. Multivariate Logistic regression was used to construct a prognostic model and visual nomogram for severe trauma patients with stress injury based on Braden score combined with microcirculation evaluation indicators, and compared with the prediction model constructed by the Braden scale alone. The discrimination degree was judged by the area under the receiver operating characteristic curve. The C index performed internal verification of the model, H-L goodness-of-fit test, and the overall discrimination index to observe and predict the effect of the model.Results:A total of 152 patients were enrolled in this study, of which 33 (21.71%) had pressure injuries. The area under the curve of the Braden scale combined with local skin temperature and local tissue oxygen saturation was 0.866, and the internal verification C index of the model was 0.847. The H-L goodness of fit test result was 8.37 ( P=0.051), indicating that the model had good discrimination and consistency. The overall discrimination index of the model was 0.144 ( P=0.023). Conclusions:The Braden scale combined with local microcirculation indicators to construct a prognostic model of stress injury in severe trauma patients has good discrimination and consistency, and the predictive power of the Braden scale is improved by 14.4%. The construction of a nomogram can provide clinical rapid convenient and reliable forecasting tool.
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Objective To understand the current situation of trauma treatment and evaluate the training effect and influencing factors of "China Trauma Care Training(CTCT)" by investigating the trainees who participated in the course.Methods A total of 1660 trainees who participated in CTCT training from May 2017 to May 2018 were selected as the subjects of this study.Through questionnaires,the general information(gender,occupation,professional title,discipline source,length of time engaged in trauma treatment),the situation of trauma treatment in their hospitals(hospital level,trauma treatment mode,number of severe trauma cases each year),the recommended model of trauma treatment,learning methods of trauma treatment knowledge,and the trauma training interval were obtained.The trainees took tests before and after the training,and the test results were used to evaluate the training effect and analyze the influencing factors.Results(1)There were 1 230 males(74.10％),1 356 physicians(81.93％),1 247 with intermediate title or lower levels(75.12％),756 from emergency department/emergency surgery(45.54％),and 899 who were engaged in trauma treatment for more than five years(54.16％).(2)There were 1 068 trainees from tertiary hospitals(64.34％).The main mode of severe trauma treatment in hospitals was "emergency+consultation+triage"(1 198 trainees,72.17％).A total of 1014 trainees treated less than 200 severe trauma patients each Year(61.08％).A total of 1210 trainees recommended emergency/emergency surgery(72.89％)and 350 trainees recommended trauma surgery/trauma hospital(21.08％)as the main mode of treatment.(3)There were various approaches to acquire trauma treatment knowledge,including 1 029 person-times(61.99％)through department internal guidelines,924 person-times(55.66％)through case discussion,879 person-times(52.95％)through self-teaching,767 person-times(46.20％)through lectures,382 person-times(23.01％)through trauma courses and 285 person-times through further studies at home and abroad(17.17％).A total of 951 trainees recommended 1-2 years as the training interval(57.3％).(4)The average test score before training was(67.5±14.5)points,which were influenced by the hospital level,discipline source,title of trainees,length of time engaged in trauma treatment,and amount of severe trauma cases each year in their hospitals.The hospitallevel and discipline source were the main effect factors.(5)The average test score after training was(83.8±11.6)points,which was significantly higher than that before training(P＜0.01),and the scores of trainees in different subgroups were all improved.The main factors influencing the test score included hospital level,number of severe trauma cases each year,discipline source,professional title,number of severe trauma cases each year treated in the hospital.The major effect factor was the amount of severe trauma cases each year.Conclusions The main mode of trauma treatment in hospitals involved in this study is "multi-disciplinary consultation+decentralized treatment".Few trainees have received systematic trauma treatment training,and their trauma treatment knowledge level and the test scores before training is influenced by hospital level,the case number of severe trauma treatment,discipline source,and trainees' qualifications.Mter the standardized and standardized trauma treatment training course "CTCT",the scores of students from different backgrounds have been significantly improved,and the gap between students has been significantly narrowed.
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Objective@#To understand the current situation of trauma treatment and evaluate the training effect and influencing factors of "China Trauma Care Training (CTCT)" by investigating the trainees who participated in the course.@*Methods@#A total of 1660 trainees who participated in CTCT training from May 2017 to May 2018 were selected as the subjects of this study. Through questionnaires, the general information (gender, occupation, professional title, discipline source, length of time engaged in trauma treatment), the situation of trauma treatment in their hospitals (hospital level, trauma treatment mode, number of severe trauma cases each year), the recommended model of trauma treatment, learning methods of trauma treatment knowledge, and the trauma training interval were obtained. The trainees took tests before and after the training, and the test results were used to evaluate the training effect and analyze the influencing factors.@*Results@#(1) There were 1 230 males (74.10%), 1 356 physicians (81.93%), 1 247 with intermediate title or lower levels (75.12%), 756 from emergency department/emergency surgery (45.54%), and 899 who were engaged in trauma treatment for more than five years (54.16%). (2) There were 1 068 trainees from tertiary hospitals (64.34%). The main mode of severe trauma treatment in hospitals was "emergency+ consultation+ triage" (1 198 trainees, 72.17%). A total of 1014 trainees treated less than 200 severe trauma patients each year (61.08%). A total of 1210 trainees recommended emergency/emergency surgery (72.89%) and 350 trainees recommended trauma surgery/trauma hospital (21.08%) as the main mode of treatment. (3) There were various approaches to acquire trauma treatment knowledge, including 1 029 person-times (61.99%) through department internal guidelines, 924 person-times (55.66%) through case discussion, 879 person-times (52.95%) through self-teaching, 767 person-times (46.20%) through lectures, 382 person-times (23.01%) through trauma courses and 285 person-times through further studies at home and abroad (17.17%). A total of 951 trainees recommended 1-2 years as the training interval (57.3%). (4) The average test score before training was (67.5±14.5)points, which were influenced by the hospital level, discipline source, title of trainees, length of time engaged in trauma treatment, and amount of severe trauma cases each year in their hospitals. The hospital level and discipline source were the main effect factors. (5) The average test score after training was (83.8±11.6)points, which was significantly higher than that before training (P<0.01), and the scores of trainees in different subgroups were all improved. The main factors influencing the test score included hospital level, number of severe trauma cases each year, discipline source, professional title, number of severe trauma cases each year treated in the hospital. The major effect factor was the amount of severe trauma cases each year.@*Conclusions@#The main mode of trauma treatment in hospitals involved in this study is "multi-disciplinary consultation+ decentralized treatment" . Few trainees have received systematic trauma treatment training, and their trauma treatment knowledge level and the test scores before training is influenced by hospital level, the case number of severe trauma treatment, discipline source, and trainees’qualifications. After the standardized and standardized trauma treatment training course "CTCT" , the scores of students from different backgrounds have been significantly improved, and the gap between students has been significantly narrowed.
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Objective To evaluate the relationship between emergency department length of stay (EDLOS) and outcome of multiple trauma patients in ICU.Methods A retrospective cohort study was performed in multiple trauma patients admitted from the emergency department to ICU during 2010.Patients' data were recorded,including demographic information (gender,age,etc.),characteristics of injury (injury causes,diagnosis,ISS,GCS,emergency operation rate,type of operation),and outcome (inhospital mortality,length of ICU stay,total length of hospital stay,expenditure).Patients were assorted into delayed group (EDLOS ＞ 6 h) and non-delayed group (EDLOS ≤ 6 h),then demographic information,characteristics of injury,and outcome were compared between the two groups.Multivariate Logistic and linear regression analyses were performed to identify the correlation between EDLOS and outcome for all patients and for those with and without emergency operation.Results A total of 476 patients aged (47.5 ± 16.0) years were enrolled in the study and male patients accounted for 73.5％.Median ISS was 29 points (interquartile range,22-34 points),median EDLOS was 4.0 hours (interquartile range,2.8-6.4 hours),and inhospital mortality was 9.2％.Delayed (n =135) and non-delayed (n =341) groups were similar in age,gender,ISS,inhospital mortality (13.3％ vs 7.6％),length of ICU stay,and total length of hospital stay (P ＞ 0.05).Multivariate analysis demonstrated prolonged EDLOS increased inhospital mortality (OR=3.19,95％ CI 1.28-7.95,P ＜ 0.05),especially in patients without emergent operation (OR =4.01,95％ CI 1.31-12.27,P ＜ 0.05).However,prolonged EDLOS produced no effect on mortality in patients with emergent operation (OR =1.72,95％ CI 0.79-3.43,P ＞0.05),length of ICU stay,total length of hospital stay,and expenditure.Conclusion Prolonged EDLOS increases mortality of multiple trauma patients admitted to ICU,especially in patients without emergency operation,thus rapid transportation of these patients from emergency room to ICU will improve the outcome.