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1.
Mil Med Res ; 7(1): 3, 2020 01 21.
Article in English | MEDLINE | ID: mdl-31959223

ABSTRACT

BACKGROUND: Since the trauma knowledge of trauma providers correlates with the outcomes of injured patients, this study aims to assess the socio-demographic characteristics and levels of trauma knowledge of trainees in the China trauma care training (CTCT) program in addition to their post-course test results to provide support for the development of trauma care training programs and trauma systems in China. METHODS: A cross-sectional study was conducted by collecting demographic information, hospital-related information and trauma knowledge of the trainees from 19 regions in China. All participants were assessed by questionnaires collecting the socio-demographic data, the trauma care knowledge levels and the information of the hospitals. RESULTS: There were 955 males (78.9%) and 256 females (21.1%) enrolled. Among them, 854 were physicians (70.5%), 357 were registered nurses (29.5%). In addition, 64 of them also played an administrative role in the hospitals (5.3%). The score of the trainees who were members of the emergency department staff (72.59 ± 14.13) was the highest among the scores of all the personnel surveyed, followed by those of the trainees from the intensive care unit (ICU) (71.17 ± 12.72), trauma surgery department (67.26 ± 13.81), orthopedics department (70.36 ± 14.48), general surgery department (69.91 ± 14.79) and other departments (69.93 ± 16.91), P = 0.031. The score of the professors (73.09 ± 15.05) was higher than those of the associate professors (72.40 ± 14.71), lecturers (70.07 ± 14.25) and teaching assistants (67.58 ± 15.16), P < 0.0001. The score of the individuals who attended experts' trauma lectures (72.22 ± 14.45) was higher than that of individuals who did not attend the lectures (69.33 ± 15.17), P = 0.001. The mean scores before and after the training were 71.02 ± 14.82 and 84.24 ± 13.77, respectively, P < 0.001. The mean score of trauma knowledge after the training of trainees from different provinces and with different educational backgrounds was higher than that before the training, with a statistically significant difference (P < 0.05). CONCLUSIONS: The level of trauma knowledge of trauma care providers was associated with their department, professional position and previous participation in related academic conferences. Trauma care experience and participation in academic lectures and training program including CTCT may effectively improve individuals' level of trauma knowledge.


Subject(s)
Clinical Competence/standards , Educational Status , Emergency Medical Services/standards , Adult , China , Clinical Competence/statistics & numerical data , Correlation of Data , Cross-Sectional Studies , Emergency Medical Services/methods , Emergency Medical Services/statistics & numerical data , Female , Humans , Male , Middle Aged , Surveys and Questionnaires , Teaching/statistics & numerical data , Wounds and Injuries/therapy
2.
J Phys Chem A ; 123(44): 9431-9449, 2019 Nov 07.
Article in English | MEDLINE | ID: mdl-31557033

ABSTRACT

The 77 K emission spectra of cyclometalated ruthenium(II)-2,2'-bipyridine (CM-Ru-bpy) chromophores are very similar to those of related Ru-bpy complexes with am(m)ine or diimmine ancillary ligands, and density functional theory (DFT) modeling confirms that the lowest energy triplet metal to ligand charge transfer (3MLCT) excited states of CM-Ru-bpy and related Ru-bpy complexes have very similar electronic configurations. However, the phosphorescence decay efficiencies of CM-Ru-bpy excited states are about twice those of the conventional Ru-bpy analogues. In contrast to the similar 3MLCT excited state electronic configurations of the two classes of complexes, the CM-Ru-bpy chromophores have much broader visible region MLCT absorptions resulting from several overlapping transitions, even at 87 K. The emitting excited-state emission efficiencies depend on spin-orbit coupling (SOC) mediated intensity stealing from singlet excited states, and this work explores the relationship between the phosphorescence efficiency and visible region absorption spectra of Ru-bpy 3MLCT excited states in the weak SOC limit. The intrinsic 3MLCT emission efficiency, ιem, depends on mixing with singlet excited states whose RuIII-dπ-orbital angular momenta differ from that of the emitting state. DFT modeling of the 1MLCT excited-state electronic configurations that contribute significantly to the lowest energy absorption bands have RuIII-dπ orbitals that differ from those of their emitting 3MLCT excited states. This leads to a very close relationship between ιem and the lowest energy MLCT band absorptivities in Ru-bpy chromophores. Thus, the larger number of 1MLCT transitions that contribute to the lowest energy absorption bands accounts for the enhanced phosphorescence efficiency of Ru-bpy complexes with cyclometalated ancillary ligands.

3.
Toxicol Lett ; 301: 90-97, 2019 Feb.
Article in English | MEDLINE | ID: mdl-30423366

ABSTRACT

Caffeine is a substance that is consumed worldwide, and it may exert neuroprotective effects against various cerebral insults, including neurotrauma, which is the most prevalent injury among military personnel. To investigate the effects of caffeine on high-intensity blast wave-induced severe blast injury in mice, three different paradigms of caffeine were applied to male C57BL/6 mice with severe whole body blast injury (WBBI). The results demonstrated that chronic caffeine treatment alleviated blast-induced traumatic brain injury (bTBI); however, both chronic and acute caffeine treatments exacerbated blast-induced lung injuries and, more importantly, increased both the cumulative and time-segmented mortalities postinjury. Interestingly, withdrawing caffeine intake preinjury resulted in favorable outcomes in mortality and lung injury, similar to the findings in water-treated mice, and had the trend to attenuate brain injury. These findings demonstrated that although drinking coffee or caffeine preparations attenuated blast-induced brain trauma, these beverages may place personnel in the battlefield at high risk of casualties, which will help us re-evaluate the therapeutic strategy of caffeine application, particularly in multiple-organ-trauma settings. Furthermore, these findings provided possible strategies for reducing the risk of casualties with caffeine consumption, which may help to change the coffee-drinking habits of military personnel.


Subject(s)
Blast Injuries/drug therapy , Brain Injuries, Traumatic/drug therapy , Caffeine/pharmacology , Neuroprotective Agents/pharmacology , Animals , Blast Injuries/mortality , Disease Models, Animal , Male , Mice , Mice, Inbred C57BL
4.
Chin J Traumatol ; 21(1): 20-26, 2018 Feb.
Article in English | MEDLINE | ID: mdl-29429775

ABSTRACT

PURPOSE: To evaluate the effect of retention sutures on abdominal pressure and postoperative prognosis in abdominal surgery patients. METHODS: This prospective cohort study included patients who were admitted to Daping Hospital from May 15, 2014 to October 11, 2014. A total of 57 patients were enrolled, including 18 patients in the "U" type retention suture group, 17 patients in the intermittent retention suture group, and 22 patients in non-retention suture group. The demographic data, clinical data and risk factors for abdominal wound dehiscence were recorded. The bladder pressure (IVP) was monitored preoperatively, intraoperatively, and four days postoperatively. Additionally, the incidence of abdominal wound dehiscence and infection 14 days after the operation was recorded. RESULTS: During the operation, the IVP decreased and then increased; it was at its lowest 1 h after the start of the operation (5.3 mmHg ± 3.2 mmHg) and peaked after tension-reducing (8.8 mmHg ± 4.0 mmHg). The IVP values in the "U" type retention suture group and intermittent retention suture group were higher than in the non-retention suture group 4 days after operation (p < 0.005). The Visual Analogue Scale (VAS) pain scores were 3.9 ± 2.2, 3.8 ± 2.0, and 3.0 ± 1.0 in the retention suture group, intermittent retention suture group and non-retention suture group, respectively. The VAS pain scores in the "U" type tension-reducing group and intermittent tension-reducing group were higher than in the non-tension-reducing group (p < 0.005). CONCLUSION: Although retention sutures may reduce the incidence of postoperative wound dehiscence in abdominal surgery patients, they can increase the IVP and postoperative pain.


Subject(s)
Abdomen/surgery , Sutures , Adult , Aged , Female , Humans , Male , Middle Aged , Pain Measurement , Postoperative Complications/prevention & control , Pressure
5.
Chin J Traumatol ; 21(2): 73-76, 2018 Apr.
Article in English | MEDLINE | ID: mdl-29395429

ABSTRACT

Trauma is a life-threatening "modern disease". The outcomes could only be optimized by cost-efficient and prompt trauma care, which embarks on the improvement of essential capacities and conceptual revolution in addition to the disruptive innovation of the trauma care system. According to experiences from the developed countries, systematic trauma care training is the cornerstone of the generalization and the improvement on the trauma care, such as the Advance Trauma Life Support (ATLS). Currently, the pre-hospital emergency medical services (EMS) has been one of the essential elements of infrastructure of health services in China, which is also fundamental to the trauma care system. Hereby, the China Trauma Care Training (CTCT) with independent intellectual property rights has been initiated and launched by the Chinese Trauma Surgeon Association to extend the up-to-date concepts and techniques in the field of trauma care as well to reinforce the generally well-accepted standardized protocols in the practices. This article reviews the current status of the trauma care system as well as the trauma care training.


Subject(s)
Emergency Medical Services , Traumatology/education , Wounds and Injuries/therapy , China , Humans , Life Support Care
6.
Inorg Chem ; 55(15): 7341-55, 2016 Aug 01.
Article in English | MEDLINE | ID: mdl-27437560

ABSTRACT

Metal to ligand charge-transfer (MLCT) excited state emission quantum yields, ϕem, are reported in 77 K glasses for a series of pentaammine and tetraammine ruthenium(II) complexes with monodentate aromatic acceptor ligands (Ru-MDA) such as pyridine and pyrazine. These quantum yields are only about 0.2-1% of those found for their Ru-bpy (bpy = 2,2'-bipyridine) analogs in similar excited state energy ranges (hνem). The excited state energy dependencies of the emission intensity are characterized by mean radiative decay rate constants, kRAD, resolved from ϕem/τobs = kRAD (τobs = the observed emission decay lifetime; τobs(-1) = kRAD + kNRD; kNRD = nonradiative decay rate constant). Except for the Ru-pz chromophores in alcohol glasses, the values of kNRD for the Ru-MDA chromophores are slightly smaller, and their dependences on excited state energies are very similar to those of related Ru-bpy chromophores. In principle, one expects kRAD to be proportional to the product of (hνem)(3) and the square of the transition dipole moment (Me,g).(2) However, from experimental studies of Ru-bpy chromophores, an additional hνem dependence has been found that originates in an intensity stealing from a higher energy excited state with a much larger value of Me,g. This additional hνem dependence is not present in the kRAD energy dependence for Ru-MDA chromophores in the same energy regime. Intensity stealing in the phosphorescence of these complexes is necessary since the triplet-to-singlet transition is only allowed through spin-orbit coupling and since the density functional theory modeling implicates configurational mixing between states in the triplet spin manifold; this is treated by setting Me,g equal to the product of a mixing coefficient and the difference between the molecular dipole moments of the states involved, which implicates an experimental first order dependence of kRAD on hνem. The failure to observe intensity stealing for the Ru-MDA complexes suggests that their weak emissions are more typical of "pure" (or unmixed) (3)MLCT excited states.

7.
Inorg Chem ; 54(17): 8495-508, 2015 Sep 08.
Article in English | MEDLINE | ID: mdl-26302226

ABSTRACT

This is the first report of the 77 K triplet metal-to-ligand charge-transfer ((3)MLCT) emission spectra of pentaammine-MDA-ruthenium(II) ([Ru(NH3)5(MDA)](2+)) complexes, where MDA is a monodentate aromatic ligand. The emission spectra of these complexes and of the related trans-[Ru(NH3)4(MDA) (MDA')](2+) complexes are closely related, and their emission intensities are very weak. Density functional theory (DFT) calculations indicate that the energies of the lowest (3)MLCT excited states of Ru-MDA complexes are either similar to or lower than those of the lowest energy metal-centered excited states ((3)MC(X(Y))), that the barrier to internal conversion at 77 K is large compared to kBT, and that the (3)MC(X(Y)) excited states are weakly bound. The [Ru(NH3)5py](2+) complex is an exception to the general pattern: emission has been observed for the [Ru(ND3)5(d5-py)](2+) complex, but its lifetime is apparently very short. DFT modeling indicates that the excited state distortions of the different (3)MC excited states are very large and are in both Ru-ligand bonds along a single Cartesian axis for each different (3)MC excited state, nominally resulting in (3)MC(X(Y)), (3)MC((X)Y), and (3)MC(Z) lowest energy metal-centered states. The (3)MC(X(Y)) and (3)MC((X)Y) states appear to be the pseudo-Jahn-Teller distorted components of a (3)MC((XY)) state. The (3)MC(X(Y)) states are distorted up to 0.5 Šin each H3N-Ru-NH3 bond along a single Cartesian axis in the pentaammine and trans-tetraammine complexes, whereas the (3)MC(Z) states are found to be dissociative. DFT modeling of the (3)MLCT excited state of [Ru(NH3)5(py)](2+) indicates that the Ru center has a spin density of 1.24 at the (3)MLCT energy minimum and that the (3)MLCT → (3)MC(Z) crossing is smooth with a very small barrier (<0.5 kcal/mol) along the D3N-Ru-py distortion coordinate, implying strong (3)MLCT/(3)MC excited state configurational mixing. Furthermore, the DFT modeling indicates that the long-lived intermediate observed in earlier flash photolysis studies of [Ru(NH3)5py](2+) is a Ru(II)-(η(2)(C═C)-py) species.

8.
Chin J Traumatol ; 18(4): 204-11, 2015.
Article in English | MEDLINE | ID: mdl-26764541

ABSTRACT

OBJECTIVE: To investigate the effects of three different ways of chronic caffeine administration on blast- induced memory dysfunction and to explore the underlying mechanisms. METHODS: Adult male C57BL/6 mice were used and randomly divided into five groups: control: without blast exposure, con-water: administrated with water continuously before and after blast-induced traumatic brain injury (bTBI), con-caffeine: administrated with caffeine continuously for 1 month before and after bTBI, pre-caffeine: chronically administrated with caffeine for 1 month before bTBI and withdrawal after bTBI, post-caffeine: chronically administrated with caffeine after bTBI. After being subjected to moderate intensity of blast injury, mice were recorded for learning and memory performance using Morris water maze (MWM) paradigms at 1, 4, and 8 weeks post-blast injury. Neurological deficit scoring, glutamate concentration, proinflammatory cytokines production, and neuropathological changes at 24 h, 1, 4, and 8 weeks post-bTBI were examined to evaluate the brain injury in early and prolonged stages. Adenosine A1 receptor expression was detected using qPCR. RESULTS: All of the three ways of chronic caffeine exposure ameliorated blast-induced memory deficit, which is correlated with the neuroprotective effects against excitotoxicity, inflammation, astrogliosis and neuronal loss at different stages of injury. Continuous caffeine treatment played positive roles in both early and prolonged stages of bTBI; pre-bTBI and post-bTBI treatment of caffeine tended to exert neuroprotective effects at early and prolonged stages of bTBI respectively. Up-regulation of adenosine A1 receptor expression might contribute to the favorable effects of chronic caffeine consumption. CONCLUSION: Since caffeinated beverages are widely consumed in both civilian and military personnel and are convenient to get, the results may provide a promising prophylactic strategy for blast-induced neurotrauma and the consequent cognitive impairment.


Subject(s)
Blast Injuries/complications , Brain Injuries, Traumatic/complications , Caffeine/pharmacology , Memory Disorders/prevention & control , Animals , Cerebral Cortex/pathology , Hippocampus/pathology , Male , Memory Disorders/etiology , Mice , Mice, Inbred C57BL , RNA, Messenger/analysis , Receptor, Adenosine A1/genetics
9.
Life Sci ; 122: 100-7, 2015 Feb 01.
Article in English | MEDLINE | ID: mdl-25534437

ABSTRACT

AIMS: Phagocytosis plays essential roles during inflammation and immune response. This study aims to explore the underlying mechanism of corticotropin-releasing hormone (CRH) and urocortin (UCN)-promoted phagocytosis of rat macrophages. MAIN METHODS: To induce phagocytosis, rat macrophages were incubated with carboxylated fluorescent microspheres. The phagocytosis activity was evaluated by flow cytometric analysis. Actin reorganization was determined by immunostaining with TRITC-labeled phalloidin and transmission electron microscopy (TEM) analysis. Protein expressions of p-RhoA, p-Rac1, p-extracellular signal-related kinase (ERK)1/2 and GAPDH were examined by Western blotting. Protein kinase C (PKC) and protein kinase A (PKA) activities were examined using PreTag non-radio activity assay. KEY FINDINGS: Administration of CRH or UCN alone significantly enhanced phagocytosis of microspheres by rat macrophages, as well as actin reorganization. Ligation of CRH and UCN with CRH receptor increased the phosphorylation of both RhoA and Rac1. Inhibition of RhoA/Rac1 signal pathway suppressed CRH- or UCN-enhanced phagocytosis and actin reorganization. Blockage of PKA signal by MDL-12330A decreased CRH or UCN-promoted p-RhoA and p-Rac1 expressions. Blockage of PKC signal by cholerythine choride decreased CRH or UCN-promoted p-Rac1 expression and UCN-promoted p-RhoA expression, but increased the CRH-induced p-RhoA expression. ERK1/2 was also activated and served as upstream factor of RhoA/Rac1 signal pathway. SIGNIFICANCE: The results reveal that CRH and UCN promote phagocytosis of rat macrophages through convergent but dissociable pathways. PKA/PKC-ERK1/2-RhoA/Rac1 signal pathway plays an essential role in CRH- and UCN-enhanced phagocytosis.


Subject(s)
Corticotropin-Releasing Hormone/pharmacology , Hormones/pharmacology , Macrophages/metabolism , Phagocytosis/physiology , Signal Transduction/drug effects , Urocortins/pharmacology , Animals , Blotting, Western , Cells, Cultured , Cyclic AMP-Dependent Protein Kinases/metabolism , Female , Flow Cytometry , Immunoenzyme Techniques , Macrophages/cytology , Macrophages/drug effects , Male , Mitogen-Activated Protein Kinase 1/metabolism , Mitogen-Activated Protein Kinase 3/metabolism , Phagocytosis/drug effects , Phosphorylation/drug effects , Protein Kinase C/metabolism , Rats , Rats, Sprague-Dawley , rac1 GTP-Binding Protein/metabolism , rhoA GTP-Binding Protein/metabolism
10.
J Cereb Blood Flow Metab ; 33(11): 1789-98, 2013 Nov.
Article in English | MEDLINE | ID: mdl-23921902

ABSTRACT

Traumatic brain injury (TBI), particularly explosive blast-induced TBI (bTBI), has become the most prevalent injury among military personnel. The disruption of cognitive function is one of the most serious consequences of bTBI because its long-lasting effects prevent survivors fulfilling their active duty and resuming normal civilian life. However, the mechanisms are poorly understood and there is no treatment available. This study investigated the effects of adenosine A2A receptor (A2AR) on bTBI-induced cognitive deficit, and explored the underlying mechanisms. After being subjected to moderate whole-body blast injury, mice lacking the A2AR (A2AR knockout (KO)) showed less severity and shorter duration of impaired spatial reference memory and working memory than wild-type mice did. In addition, bTBI-induced cortical and hippocampal lesions, as well as proinflammatory cytokine expression, glutamate release, edema, cell loss, and gliosis in both early and prolonged phases of the injury, were significantly attenuated in A2AR KO mice. The results suggest that early injury and chronic neuropathological damages are important mechanisms of bTBI-induced cognitive impairment, and that the impairment can be attenuated by preventing A2AR activation. These findings suggest that A2AR antagonism is a potential therapeutic strategy for mild-to-moderate bTBI and consequent cognitive impairment.


Subject(s)
Blast Injuries/metabolism , Brain Injuries/metabolism , Cognition Disorders/prevention & control , Receptor, Adenosine A2A/deficiency , Adenosine A2 Receptor Antagonists/pharmacology , Adenosine A2 Receptor Antagonists/therapeutic use , Animals , Blast Injuries/drug therapy , Blast Injuries/pathology , Blast Injuries/psychology , Brain Injuries/drug therapy , Brain Injuries/psychology , Cytokines/immunology , Cytokines/metabolism , Disease Models, Animal , Male , Maze Learning/drug effects , Mice , Mice, Inbred C57BL , Mice, Knockout , Neuroprotective Agents/pharmacology , Neuroprotective Agents/therapeutic use , Receptor, Adenosine A2A/genetics
11.
Chin J Traumatol ; 15(1): 27-31, 2012.
Article in English | MEDLINE | ID: mdl-22300916

ABSTRACT

OBJECTIVE: To study the epidemiologic characteristics of traffic injuries among people over 60 years old in the Nan'an district (urban) and Jiangjin district (rural) of Chongqing, and to discuss the corresponding strategies for its prevention and cure. METHODS: Records of traffic injuries in people over 60 years old registered by the traffic police between 2000 and 2006 in Nan'an district and Jiangjin district were collected in the Database of Road Traffic Accidents and Traffic Injuries. Epidemiologic characteristics of traffic injuries among the aged people were analyzed and compared. RESULTS: Between the year 2000 and 2006, the average annual incidence of traffic injuries and mortality rate in the aged people in Nan'an district were 124.62/100 000 and 13.85/ 100 000 respectively, higher than that in Jiangjin district (27.49/ 100 000, 7.13/100 000, P less than 0.01). However, the mortality rate for the aged people who were involved in traffic injuries in Jiangjin district was 20.60%, higher than that in Nan'an district (10.00%, P less than 0.01). Head injury was the primary cause of death. Totally 76.58% of casualties were pede-strians. Over 90% of the traffic accidents occurred in the areas with no traffic signal or traffic control system. CONCLUSIONS: The traffic environment is unfavorable to the aged people. It is important to enhance traffic safety consciousness of drivers and the elderly and to strengthen traffic safety system and traffic law, so as to provide a safe road traffic environment for the aged people.


Subject(s)
Accidents, Traffic , Craniocerebral Trauma , Craniocerebral Trauma/epidemiology , Humans , Incidence , Risk Factors , Wounds and Injuries
12.
Neuroreport ; 22(13): 660-3, 2011 Sep 14.
Article in English | MEDLINE | ID: mdl-21841456

ABSTRACT

In our previous studies, we occasionally found that high-dose glucocorticoids (GC) induced decrease in [Ca(2+)](i) in hypothalamus neurons. In previous articles, modulation of Ca(2+) channels by GC has been shown to contribute to the elementary regulation of several neuronal functions. However, little is known about the regulation of the Ca efflux pathways that counterbalance the Ca(2+) influx in neurons caused by high-dose GC. In this study, we demonstrate that a high-dose of GC (10 M dexamethasone) caused a 20% decrease in [Ca(2+)](i) within 2 s in cultured hypothalamic neurons; furthermore, we show that an antagonist of the GC receptor blocks this action. To ascertain the temporal sequence of relevant calcium transport mechanisms we selectively blocked the main calcium transporters, including sodium/calcium exchanger (NCX), plasma membrane calcium pumps (PMCA), and P-type Ca(2+)-ATPases of the sarcoplasmic reticulum (SERCA). The GC-induced [Ca(2+)](i) decrease disappeared completely when PMCA was blocked, but not when NCX and SERCA were blocked. These results suggest that high-dose GC (10(-6) M) rapidly decreases [Ca(2+)](i) by activating PMCA but not NCX or SERCA.


Subject(s)
Dexamethasone/pharmacology , Glucocorticoids/pharmacology , Hypothalamus/drug effects , Neurons/drug effects , Plasma Membrane Calcium-Transporting ATPases/metabolism , Sarcoplasmic Reticulum Calcium-Transporting ATPases/metabolism , Sodium-Calcium Exchanger/metabolism , Animals , Calcium/metabolism , Cells, Cultured , Hypothalamus/metabolism , Neurons/metabolism , Rats , Rats, Wistar
13.
Chin J Traumatol ; 13(5): 297-303, 2010 Oct 01.
Article in English | MEDLINE | ID: mdl-20880457

ABSTRACT

OBJECTIVE: A catastrophic earthquake struck Wenchuan region of West China on May 12, 2008 and caused more than 69 225 deaths. This study was to analyze injury characteristics and treatment of the seismic patients based on Chinese Trauma Databank, which will be helpful for improvement of future medical rescue in potential disasters. METHODS: Based on inpatients'medical records of seismic patients admitted into 11 hospitals, data were registered with Trauma Database System Version 3.0. Patients'general information, causes, clinical characteristics and treatment of injuries were studied. RESULTS: Main causes for seismic injuries were blunt strike (68.2%), crush/burying (18.7%) and slip/falling (11.5%). Slip/falling was the main cause for spinal injuries and accounted for 19.1%, which was higher than the percentage for other body part. Extremity injuries accounted for 54.8% of all injuries. Fractures accounted for 53.1%. Lower extremity fracture accounted for 70.1% of lower extremity injury and spinal fracture accounted for 85.9% of spinal injury. The proportion of spinal injuries with AIS larger than or equal to 4 was higher than that of other injured locations except for the abdomen. Debridement and suturation for single injury and multiple injury patients accounted for 64.7% and 42.9% of their operations respectively. CONCLUSIONS: Blunt strike, crush/burying and slip/falling are the main causes for seismic injuries. The most frequently injured site is extremity. The main injury type is fracture, especially for the lower extremities and the spine. Multiple injury patients were mainly treated by operation, including debridement and suturation, closed reduction and external fixation, etc.


Subject(s)
Earthquakes , Wounds and Injuries/epidemiology , Adolescent , Adult , Aged , Child , Child, Preschool , China/epidemiology , Databases, Factual , Humans , Infant , Infant, Newborn , Middle Aged , Wounds and Injuries/surgery
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