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Study on cumulative effects of biological craniocerebral trauma under repeated blast
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作者 Xingyuan Huang Bingchen Xia +3 位作者 Lijun Chang Zhikang Liao Hui Zhao Zhihua Cai 《Theoretical & Applied Mechanics Letters》 CAS CSCD 2024年第3期174-183,共10页
Repeated blast impacts on personnel in explosive environments can exacerbate craniocerebral trauma.Most existing studies focus on the injury effects of a single blast,lacking in-depth analysis on the injury effects an... Repeated blast impacts on personnel in explosive environments can exacerbate craniocerebral trauma.Most existing studies focus on the injury effects of a single blast,lacking in-depth analysis on the injury effects and cumulative effects of repeated blasts.Therefore,rats were used as the experimental samples to suffer from explosion blasts with different peak air overpressures(167 kPa~482 kPa)and varying number of repeated blasts.The cumulative effect of craniocerebral trauma was most pronounced for moderate repeated blast,showing approximately 95%increase of trauma severity with penta blast,and an approximately 85%increase of trauma severity with penta minor blast.The cumulative effect of craniocerebral trauma from severe,repeated blast has a smaller rate of change compared to the other two conditions.The severity of trauma from penta blast increased by approximately 69%compared to a single blast.Comprehensive physiological,pathological and biochemical analysis show that the degree of neurological trauma caused by repeated blasts is higher than that of single blasts,and the pathological trauma to brain tissue is more extensive and severe.The trauma degree remains unchanged after double blast,increases by one grade after triple or quadruple blast,and increases by two grades after penta blast. 展开更多
关键词 Repeated blast Craniocerebral trauma trauma severity grade Cumulative effects
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Correlation analysis between plasma D-dimer levels and orthopedic trauma severity 被引量:25
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作者 ZHANG Li-dan LIU Hong-bo +3 位作者 LI Yu-neng MA Hai-mei LIU Ya-bo WANG Man-yi 《Chinese Medical Journal》 SCIE CAS CSCD 2012年第17期3133-3136,共4页
Background The correlation between the plasma D-dimer level and deep vein thrombosis has not been conclusive in various studies. The aim of this research was to study the relationship between plasma D-dimer levels and... Background The correlation between the plasma D-dimer level and deep vein thrombosis has not been conclusive in various studies. The aim of this research was to study the relationship between plasma D-dimer levels and the severity of orthopedic trauma by retrospective examination of orthopedic trauma cases. Methods Clinically acute trauma and non-acute trauma patients were selected and their plasma D-dimer levels were measured. Plasma D-dimer levels in patients of these two groups were compared. The relationship between the plasma D-dimer level and the severity of the trauma was also studied. Results There were 548 cases in the acute trauma group and 501 cases in the non-acute trauma group. The levels of plasma D-dimer were significantly higher in the acute trauma group than in the non-acute trauma group (P 〈0.01). In the acute trauma group, the correlation between the D-dimer level and the number of fractures was a positive linear correlation (r=0.9532). Conclusions Elevated plasma D-dimer is common in trauma patients. The D-dimer level and the number of fractures in the trauma patients are closely correlated. D-dimer is not only an indicator for the diagnosis of deep vein thrombosis and pulmonary embolus, but also an indicator of the severity of trauma in acute trauma patients. 展开更多
关键词 D-DIMER FRACTURE trauma trauma severity
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Influence of Intensive Insulin Therapy on Vascular Endothelial Growth Factor in Patients with Severe Trauma 被引量:7
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作者 赵晓东 秦宇红 +8 位作者 马俊勋 党伟 王曼 张宪 刘红升 张建波 姚咏明 张连阳 苏琴 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 2013年第1期107-110,共4页
The influence of early-stage intensive insulin therapy on the plasma levels of vascular en- dothelial growth factor (VEGF) and the related parameters in patients with severe trauma and the clini- cal implication wer... The influence of early-stage intensive insulin therapy on the plasma levels of vascular en- dothelial growth factor (VEGF) and the related parameters in patients with severe trauma and the clini- cal implication were investigated. Sixty-four cases of severe trauma (injury severity score 〉20) with stress hyperglycemia (blood glucose 〉9 mmol/L) were randomly divided into intensive insulin therapy group and conventional therapy group. ELISA method, radioimmunoassay and density gradient grada- tion one-step process were used to determine plasma VEGF, endothelin-1 (ET-1), and the number of circulating endothelial cells (CECs) at the day of 0, 2, 3, 5 and 7 after admission. Simultaneously, the changes of CRP concentration in plasma were monitored to evaluate inflammatory response. The results showed that plasma levels of observational indexes in patients receiving early-stage intensive insulin therapy were all significantly lower than those in conventional therapy groups 2, 3, 5 and 7 days after admission [for VEGF (ng/L), 122.2±23.8 vs. 135.9±26.5, 109.6±27.3 vs. 129.0±18.4, 88.7±18.2 vs. 102.6±27.3, 54.2±26.4 vs. 85.7±35.2, P〈0.05, 0.01, 0.05, 0.05 respectively; for ET-1 (ng/L), 162.8±23.5 vs. 173.7±13.2, 128.6±17.5 vs. 148.8±22.4, 96.5±14.8 vs. 125.7±14.8, 90.7±16.9 vs. 104.9±22.5, P〈0.05, 0.01, 0.01, 0.01 respectively; for CRP (mg/L), 23.2±13.8 vs. 31.9±16.5, 13.6±17.3 vs. 23.5±18.4, 8.7±10.2 vs. 15.6±13.3, 5.2±9.4 vs. 10.7±11.2, all P〈0.05; for CECs (/0.9 μL), 10.9±5.6 vs. 13.9±6.2, 8.5±4.9 vs. 11.3±5.3, 6.3±6.4 vs. 9.4±5.7, 4.8±7.1 vs. 7.8±4.8, all P〈0.05]. It was concluded that intensive insulin therapy could antagonize the endothelium injury after trauma and reduce inflammation response quickly, which was one of important mechanisms by which intensive insulin therapy improves the prognosis of trauma patients. 展开更多
关键词 intensive insulin therapy severe trauma vascular endothelial growth factor ENDOTHELIN-1 endothelial cell
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Comprehensive Level One Trauma Center Could Lower In-hospital Mortality of Severe Trauma in China 被引量:5
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作者 CAI Bin Burruss SIGRID +7 位作者 Britt REDICK JIANG Hua SUN Ming Wei YANG Hao Charles Damien LU Mitchell Jay COHEN Henry CRYER ZENG Jun 《Biomedical and Environmental Sciences》 SCIE CAS CSCD 2014年第7期537-543,共7页
Trauma is a major health and social problem in the US and China, It constitutes the main cause of death in people aged 45 or under in both countries112]. There is clear evidence from clinical studies that a large perc... Trauma is a major health and social problem in the US and China, It constitutes the main cause of death in people aged 45 or under in both countries112]. There is clear evidence from clinical studies that a large percentage of these deaths are needless and preventable if better treatment and prevention programs are available12-3]. 展开更多
关键词 ISS Comprehensive Level One trauma Center Could Lower In-hospital Mortality of Severe trauma in China SAMS UCLA
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Altered Nutrition State in the Severe Multiple Trauma Patients Undergoing Adjuvant Recombinant Human Growth Hormone Nutritional Support Therapy 被引量:6
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作者 郭燕庆 白祥军 +1 位作者 林冠妤 唐朝晖 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 2007年第3期299-302,共4页
In order to observe the nutrition state in the severe multiple trauma patients undergoing adjuvant recombinant human growth hormone (rhGH) nutritional support therapy, 45 patients with severe multiple traumas (ISS>... In order to observe the nutrition state in the severe multiple trauma patients undergoing adjuvant recombinant human growth hormone (rhGH) nutritional support therapy, 45 patients with severe multiple traumas (ISS>25) were randomly divided into 3 groups. All the 3 groups had been supplied with nitrogen and caloricity according to the need of patients for 16 days. The rhGH therapy started 48 h after surgery and lasted for 14 days in two rhGH-treated groups in which rhGH was 0.2 and 0.4 U/(kg·d) respectively, and the resting group served as control one. The levels of nitrogen balance, prealbumin and safety variables (blood sugar, Na+, TT3 and TT4) were observed and com- pared among the three groups. The levels of nitrogen balance on the postoperative day (POD) 3 and 5 in the rhGH-treated groups were -1.28±3.19, 5.45±2.00 and -0.18±2.55, 6.11±1.60, respectively, which were significantly higher than those in the control group (-5.17±1.68 and -1.08±3.31, P<0.01). The values of prealbumin on the POD 3 and 5 in the rhGH-treated groups were 180.19±27.15, 194.44±50.82 and 194.94±29.65, 194.11±16.17, respectively, which were significantly higher than those in the control group (117.42±19.10 and 135.63±28.31, P<0.01). There was no sig- nificant difference between the rhGH 0.2 U/(kg·d) group and rhGH 0.4 U/(kg·d) group in both of the levels of nitrogen balance and prealbumin. It is concluded that the nutritional support therapy with adjuvant rhGH which starts 48 h after surgery improves the nutrition state of the patients with severe multiple trauma. It is safe for severe multiple trauma patients who accept rhGH at the dose of 0.2 and 0.4 U/(kg·d). 展开更多
关键词 recombinant human growth hormone nutritional support severe multiple trauma ni- trogen balance PREALBUMIN
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Liver transplantation for severe hepatic trauma:Experience from a single center 被引量:3
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作者 Spiros G Delis Andreas Bakoyiannis +3 位作者 Gennaro Selvaggi Debbie Weppler David Levi Andreas G Tzakis 《World Journal of Gastroenterology》 SCIE CAS CSCD 2009年第13期1641-1644,共4页
Liver transplantation has been reported in the literature as an extreme intervention in cases of severe and complicated hepatic trauma.The main indications for liver transplant in such cases were uncontrollable bleedi... Liver transplantation has been reported in the literature as an extreme intervention in cases of severe and complicated hepatic trauma.The main indications for liver transplant in such cases were uncontrollable bleeding and postoperative hepatic insufficiency.We here describe four cases of orthotopic liver transplantation after penetrating or blunt liver trauma.The indications were liver failure,extended liver necrosis,liver gangrene and multiple episodes of gastrointestinal bleeding related to portal hypertension,respectively.One patient died due to postoperative cerebral edema.The other three patients recovered well and remain on immunosuppression.Liver transplantation should be considered as a saving procedure in severe hepatic trauma,when all other treatment modalities fail. 展开更多
关键词 Liver injury Orthotopic liver transplantation Severe liver trauma Hepatic coma Hepatic trauma
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Damage control surgery for severe pancreatic trauma 被引量:5
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作者 Wang, Ge-Fei Li, You-Sheng Li, Jie-Shou 《Hepatobiliary & Pancreatic Diseases International》 SCIE CAS 2007年第6期569-571,共3页
Pancreatic trauma as a challenge before and during explorative laparotomy is associated with multiple visceral injuries or critical conditions. Its optimal management remains controversial.The current concept of damag... Pancreatic trauma as a challenge before and during explorative laparotomy is associated with multiple visceral injuries or critical conditions. Its optimal management remains controversial.The current concept of damage control surgery (DCS) has been increasingly accepted. DCS 展开更多
关键词 Damage control surgery for severe pancreatic trauma
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Effect of ω-3 Polyunsaturated Fatty Acid on Toll-like Receptors in Patients with Severe Multiple Trauma 被引量:2
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作者 易呈志 白祥军 +4 位作者 陈继革 陈驾君 李剑 刘鹏 廖忆刘 《Journal of Huazhong University of Science and Technology(Medical Sciences)》 SCIE CAS 2011年第4期504-508,共5页
This study examined the effects of ω-3 polyunsaturated fatty acid(ω-3PUFA) on the expression of toll-like receptor 2(TLR2),toll-like receptor 4(TLR4) and some related inflammatory factors in peripheral blood m... This study examined the effects of ω-3 polyunsaturated fatty acid(ω-3PUFA) on the expression of toll-like receptor 2(TLR2),toll-like receptor 4(TLR4) and some related inflammatory factors in peripheral blood mononuclear cells(PBMCs) of patients with early-stage severe multiple trauma.Thirty-two patients who were admitted to the Department of Traumatic Surgery,Tongji Hospital(Wuhan,China) between May 2010 and November 2010,and diagnosed as having severe multiple trauma with a injury severity score(ISS) no less than 16,were enrolled in the study and divided into two groups at random(n=16 in each):ω-3PUFA group and control group in which routine parenteral nutrition supplemented with ω-3PUFA or not was administered to the patients in two groups for consecutive 7 days.Peripheral blood from these patients was collected within 2 h of admission(day 0),and 1,3,5 and 7 days after the nutritional support.PBMCs were isolated and used for detection of the mRNA and protein expression of TLR2 and TLR4 by using real-time PCR and flow cytometry respectively,the levels of NF-κB by quantum dots-based immunofluorescence assay,the levels of TNF-α,IL-2,IL-6 and COX-2 by ELISA,respectively.The results showed that the mRNA and protein expression of TLR2 and TLR4 in PBMCs was significantly lower in ω-3PUFA group than in control group 5 and 7 days after nutrition support(both P0.05).The levels of TNF-α,IL-2,IL-6 and COX-2 were found to be substantially decreased in PBMCs in ω-3PUFA group as compared with control group at 5th and 7th day(P0.05 for all).It was concluded that ω-3PUFA can remarkably decrease the expression of TLR2,TLR4 and some related inflammatory factors in NF-κB signaling pathway in PBMCs of patients with severe multiple trauma,which suggests that ω-3PUFA may suppress the excessive inflammatory response meditated by the TLRs/NF-κB signaling pathway. 展开更多
关键词 ω-3 polyunsaturated fatty acid severe multiple trauma toll-like receptor 2 toll-like receptor 4
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Effects of Branched-chain Amino Acids on Nutritional Metabolism and Pharmacoeconomics in Patients with Severe Abdominal Trauma 被引量:1
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作者 Bin XU Di WU +3 位作者 Jiang-xia XIANG Ying ZHANG Yi RUAN Xiao CHEN 《Current Medical Science》 SCIE CAS 2021年第5期894-900,共7页
Objective:To observe the influences of branched-chain amino acids(BCAAs)on nutrition metabolism and prognosis of patients with severe abdominal trauma;at the same time,to analyze and evaluate the pharmacoeconomics of ... Objective:To observe the influences of branched-chain amino acids(BCAAs)on nutrition metabolism and prognosis of patients with severe abdominal trauma;at the same time,to analyze and evaluate the pharmacoeconomics of it.Methods:A total of 75 severe abdominal trauma patients were recruited from June 2016 to December 2017 and randomly divided into control group and observation group.After surgery and basic treatment,parenteral nutrition support therapy with iso-nitrogen and iso-calorie of both groups was administered.Meanwhile,an equivalent of 8.5%(18AA-Ⅱ)and 10%(20AA)compound AA injection was administrated to the control and observation groups,respectively.The nitrogen balance,serum protein level and plasma amino spectrum of the patients were observed before and after treatment.Besides,the hospital stay,survival rate,complications,adverse reactions and hospitalization costs were also compared.Results:After a 7-day course treatment,the nitrogen balance level of the two groups was significantly improved,but no significant difference was found between them.In addition,the serum protein level and plasma amino spectrum of the two groups was generally improved when compared to before treatment.Compared with the control group,the level of albumin and transferrin in the observation group was improved significantly after treatment,while no difference in plasma amino spectrum was found between the two groups.Moreover,the cost analysis showed remarkably reduced hospitalization costs in the observation group.Conclusion:To a certain degree,BCAAs could improve the nutritional metabolism and prognosis of patients with severe abdominal trauma,and have good cost-effectiveness. 展开更多
关键词 branched-chain amino acids severe abdominal trauma nutrition metabolism PROGNOSIS PHARMACOECONOMICS
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Incidence investigation and analysis of hepatic stress injury after trauma
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作者 WANG Quanchu ZHANG Yafei CHENG Zhengxiang 《胃肠病学和肝病学杂志》 CAS 2012年第7期661-663,共3页
Objective To investigate the etiology and pathogenesis of hepatic stress injury after trauma.Methods 4 677 patients with severe trauma in 153th Hospital of PLA from Jan.2004 to Jul.2005 were enrolled in this study to ... Objective To investigate the etiology and pathogenesis of hepatic stress injury after trauma.Methods 4 677 patients with severe trauma in 153th Hospital of PLA from Jan.2004 to Jul.2005 were enrolled in this study to investigate the incidence of hepatic stress injury,and furthermore,in combination with medical information,the possible pathogenesis was analyzed.Results The main manifestation of hepatic stress injury was the elevated ALT or AST levels(387 cases,8.3%).The incidence of hepatic stress injury after hand injury,burn injury,head injury,bone injury,abdominal injury,and thoracic injury were 16.6%,6.9%,5.6%,5.0%,3.8% and 2.0%,respectively,and among which,the incidence of hepatic stress injury after hand injury was statistically highest(P<0.01).Conclusion The total incidence of hepatic stress injury after trauma was 8.3%.Intestinal endotoxemia might be one of the beginning components of hepatic stress injury after trauma. 展开更多
关键词 Severe trauma Hepatic stress injury PATHOGENESIS
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Evaluation of the Whole Body Scanner in the Management of Severe Traumas at Armentieres Hospital Centre (France): Scanographic and Clinical Correlation about 180 Cases
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作者 Sessi Miralda Kiki Hermione Patricia Yekpe Ahouansou +3 位作者 Djivèdé Akanni Chakib Aiouaz Olivier Biaou Rabiou Cisse 《Open Journal of Radiology》 2016年第3期220-228,共9页
Goal: This study aims to evaluate the contribution of the whole body scanner in the management of severe traumas. Patient and Method: It is a retrospective analytical study, carried out at the Armentieres Hospital Cen... Goal: This study aims to evaluate the contribution of the whole body scanner in the management of severe traumas. Patient and Method: It is a retrospective analytical study, carried out at the Armentieres Hospital Centre (France) over a period of 14 months. It analyzes computed tomography reports and emergency department results of severe trauma patients immediately stabled at the entrance or stabilized after benefiting from a full body scanner according to Vittel criteria. Results: One hundred eighty patients were included in the study with an average age of 32.71 years old. One hundred and twelve patients (62.2%) had at least one clinical sign and only 48 patients presented a lesion on the computed tomography (26.7%). Sixty-two patients (34.4%) showed neither clinical signs nor damage in scan. The radio-clinical correlation was bad at spinal and abdominal level, mediocre at brain and chest level, but it was medium in the pelvis. The average radiation dose per patient was 3319.21 mGy&sdot;cm. Conclusion: The whole body computed tomography or scanning allows fast images acquisition compatible with emergency situation and with a satisfactory diagnostic reliability, but still remains an irradiating exam. The results of this study lead to reflect on the use of Vittel criteria that could be improved to reduce the number of normal tests carried out. 展开更多
关键词 Severe trauma Whole Body Computed Tomography or Scanner Vittel Criteria Radio-Clinical Correlation
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Can the Interspinous Distance Predict Kyphosis in Conservative Treatment in Thoracolumbar Burst Fracture? A Retrospective, Diagnostic Study
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作者 Robert Meves Osmar Avanzi 《Open Journal of Orthopedics》 2016年第1期10-15,共6页
Study Design: Retrospective, diagnostic study. Objective: To verify if the interspinous distance is able to predict the risk for kyphotic collapse in thoracolumbar burst fractures treated conservatively without neurol... Study Design: Retrospective, diagnostic study. Objective: To verify if the interspinous distance is able to predict the risk for kyphotic collapse in thoracolumbar burst fractures treated conservatively without neurological deficit. Summary of Background Data: In patients with thoracolumbar burst fractures, the association between the amount of comminution, by using load-sharing classification (LSC), and kyphotic collapse is presented in the literature. However, LSC does not include the interspinous distance as an indirect sign to suggest biomechanical instability due to posterior ligamentous disruption in these patients in order to predict kyphotic collapse. Methods: We added the interspinous distance to the load-sharing classification (MLSC) in 50 consecutive patients with thoracolumbar burst fractures (according to Denis criteria) treated conservatively. Results: The LSC score was correlated to kyphotic collapse in the patients treated with TLSO (r = 0.312, p = 0.027;Spearman test;A = 0.668). The MLSC was similarly correlated to kyphotic collapse among TLSO-treated patients (r = 0.295, p = 0.038;Spearman test;A = 0.652). Conclusions: The interspinous distance did not contribute to the identification of worse radiographic outcomes, represented by the kyphotic collapse. This may suggest that the amount of comminution pointed out by the LSC is enough and more important than the interspinous opening in order to predict kyphotic collapse in thoracolumbar burst fractures. Possibly, the interspinous distance is much too heterogenous and multifactorial to be useful, since it reflects vertebral body height, preinjury anatomy, as well as posterior element disruption. 展开更多
关键词 SPINE Spinal Fractures trauma severity Indices
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Trauma care construction under the guidance of county-level trauma centers 被引量:6
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作者 Pei-Yang Hu Xin-Yi Chen +1 位作者 Xiong-Huan Chen Yi-Min Chen 《Chinese Journal of Traumatology》 CAS CSCD 2018年第5期256-260,共5页
Severe trauma has the characteristics of complicated condition, multiple organs involved, limitq auxiliary examinations, and difficulty in treatment. Most of the trauma patients were sent to prima hospitals to receive... Severe trauma has the characteristics of complicated condition, multiple organs involved, limitq auxiliary examinations, and difficulty in treatment. Most of the trauma patients were sent to prima hospitals to receive treatments. But the traditional mode of separate discipline management can easi lead to delayed treatment, missed or wrong diagnosis and high disability, which causes a high mc tality in severe trauma patients. Therefore, if the primary hospitals, especially county-level hospit~ (usually the top general hospital within the administrative region of a county), can establish a sc entific and comprehensive trauma care system, the success rate of trauma rescue in this region can ] greatly improved. On March 1st, 2013, Tiantai People's Hospital of Zhejiang Province, China set up trauma care center, which integrated the pre-hospital and in-hospital trauma treatment procedur~ and has achieved good economic and social benefits. Till March 1st, 2017, 1265 severe trauma patier (injury severity score 〉16) have been treated in this trauma center. The rescue success rate reach~ 95~ and the delayed and]or missed diagnosis rate was less than 5%. Totally 86 severe cases of peK fractures with unstable hemodynamics were treated, and the success rate was 92%. The in-hospil emergency rescue response time is less than 3 min, and the time from definite diagnosis to surge is within 35 min. 展开更多
关键词 Severe trauma Integrated emergency management system County-level hospital
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Outcome of severely injured trauma patients at a designated trauma centre in the Hong Kong Special Administrative Region 被引量:1
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作者 LEUNG Ka Kit Gilberto HO Wendy TONG King Hung Daniel YUEN Wai Key 《Chinese Medical Journal》 SCIE CAS CSCD 2010年第10期1251-1254,共4页
Background The Hong Kong Special Administrative Region (HKSAR) of the People's Republic of China (PRC) has seen significant changes in its trauma service over the last ten years including the implementation of a ... Background The Hong Kong Special Administrative Region (HKSAR) of the People's Republic of China (PRC) has seen significant changes in its trauma service over the last ten years including the implementation of a regional trauma system. The author's institution is one of the five trauma centres designated in 2003. This article reports our initial clinical experience. Methods A prospective single-centre trauma registry from January 2004 to December 2008 was reviewed. The primary clinical outcome measure was hospital mortality. The Trauma and Injury Severity Score (TRISS) methodology was used for bench-marking with the North America Major Trauma Outcome Study (MTOS) database. Results There were 1451 patients. The majority (83.9%) suffered from blunt injury. The overall mortality rate was 7.8%. Severe injury, defined as the Injury Severity Score 〉15, occurred in 22.5% of patients, and was associated with a mortality rate of 31.6%. A trend of progressive improvement was noted. The M-statistic was 0.99, indicating comparable case-mix with the MTOS. The Z- and W-statistics of each individual year revealed fewer, but not significantly so, number of survivors than expected. Conclusions Trauma centre designation was feasible in the HKSAR and was associated with a gradual improvement in patient care. Trauma system implementation may be considered in regions equipped with the necessary socio-economic and organizational set-up. 展开更多
关键词 trauma nervous system OUTCOME trauma and injury severity score Hong Kong China
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Comparative study on characters and outcomes of patients injured from traffic accidents in different rank hospitals
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作者 杨建 石应康 刘欣 《Chinese Journal of Traumatology》 CAS 2000年第3期176-180,共5页
Objective: To compare the characters and outcomes of patients injured from traffic accidents in different rank hospitals. Methods: From 8 hospitals of ranks I III, 1?915 cases were sampled and divided into 4 groups. I... Objective: To compare the characters and outcomes of patients injured from traffic accidents in different rank hospitals. Methods: From 8 hospitals of ranks I III, 1?915 cases were sampled and divided into 4 groups. Injuries of all patients were accessed by the method of RTS, AIS ISS AP and ASCOT. Results: (1) The higher rank of hospitals, the severer the patients condition were. Mean ISSs in hospital ranks II and III were greater than 16, which were recommended as a standard of severe trauma. (2) Transportation of severe patients to high level hospitals prolonged the pre hospital duration by 5 9 h. (3) Factors contributing to death were the trauma severity, complications, hospital ranks that reflect the quality of the medical care. Conclusions: (1) This sample of 1?915 cases matches the condition of most Chinese hospitals in characteristics of traffic trauma patients. (2) Most Chinese hospitals can be divided into 3 degree of trauma center by a criteria of ISS and the unexpected death. (3) Incidence of multiple injuries shows no significant difference in each rank of hospitals. (4) The relationship between the hospital rank and the quality of trauma care is significant. We suggest that a RTS=11 or ISS=9 be triaged to trauma center, and a 10% Ps (survival probability) less than the average Ps of a hospital be triage to higher level hospitals. 展开更多
关键词 Accidents traffic trauma severity indices Hospitals
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Variation and significance of NKT cell and its subset in patients with severe multiple injuries 被引量:1
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作者 陈国兵 唐朝晖 白祥军 《Chinese Journal of Traumatology》 CAS 2009年第6期323-327,共5页
Objective: To observe the variation and significance of natural killer T (NKT) cells in patients with severe multiple injuries. Methods: Peripheral blood was drawn from 30 patients with severe multiple injuries a... Objective: To observe the variation and significance of natural killer T (NKT) cells in patients with severe multiple injuries. Methods: Peripheral blood was drawn from 30 patients with severe multiple injuries and 20 healthy individuals. NKT cells and the subsets of NKT cells were stained and analyzed on fluorescence activated cell sorter (FACS) using Cellquest software. The level of IL-4 and IFN- γ in blood serum was detected by ELISA. Results: The proportion of NKT cells was significantly increased. CD4^+ NKT cells was increased (t=-3.11, P〈0.01) and CD4^+CD8^+NKT (double negative NKT, DN NKT) cells decreased in patients with severe multiple injuries compared with healthy controls (t=2.99, P〈0.01). There was a positive correlation between the proportion of NKT cells and injury severity score (ISS) by Spearman correlation analysis (r=0.70, P〈0.01). The level of IFN-γ was significantly decreased and the level of IL-4 significantly increased in patients with severe multiple injuries. Conclusions: We demonstrate that human NKT cells are increased in trauma patients. Most significantly, there is an association between ISS and NKT cells. The increased CD4^+NKT cells may contribute to the reduction of Thl cytokine production and the growth of Th2 cytokine production, leading to the suppression of immunity after injury. 展开更多
关键词 Natural killer T-cells Severe multiple trauma Injury severity score
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