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PubMed1985

Blood coagulation and fibrinolytic factors as well as their inhibitors in trauma.

Tests generally accepted in the diagnosis of DIC were evaluated in 13 patients with multiple trauma. The blood samples were drawn on admission before treatment with blood, blood products or heparin. The tests included platelet count, prothrombin complex (Normotest/Thrombotest), Factor V, Factor VIII:C, fibrinogen, fibrinogen degradation products (FDP), thrombin and Reptilase times as well as the ethanol gelation test (fibrin monomer). Based on the results of the tests, the patients were categorized into DIC, suspected DIC and no DIC groups. It was found that those patients who were referred to the DIC group were also those who later developed the most severe organ dysfunction and who stayed the longest time in the Intensive Care Unit. Thus, the clinical and laboratory findings agreed. The Normotest/Thrombotest ratio, thrombin times and Reptilase times, and presence of fibrin monomers were of limited value for the diagnosis of DIC. To make a correct diagnosis, the results of several of the conventional tests had to be combined. Additional tests were then evaluated. An increase of the fibrinopeptide A (FPA) level and the Factor VIIIR:Ag (vWF:Ag)/Factor VIII:C ratio in all the DIC patients as well as a decrease of the antithrombin (AT) level in some DIC patients indicated thrombin activity and a risk of thromboembolic events. A decrease of plasminogen and alpha 2-antiplasmin indicated activation of the fibrinolytic system. It is concluded that these new tests are useful in the diagnosis and treatment of DIC and similar proteolytic states.

Adolescent↗
PubMed1983

The radiology of blunt chest trauma.

Chest injuries and related complications prove fatal in over half of the victims of multiple trauma. The radiologist's responsibility is twofold: a) to recognize key radiographic signs and b) to guide the clinician in the radiologic investigation and management of the patient. The important diagnoses to be recognized from radiographs are pneumothorax, aortic rupture, bronchial rupture and diaphragmatic rupture.

Aortic Rupture↗
PubMed1999

Previous exposure to trauma and PTSD effects of subsequent trauma: results from the Detroit Area Survey of Trauma.

OBJECTIVE: With the exception of a few reports of higher rates of childhood trauma in Vietnam veterans with posttraumatic stress disorder (PTSD), little is known about the influence of previous exposure to trauma on the PTSD effects of subsequent trauma. The authors examine interrelated questions about the effects of previous exposure to trauma. METHOD: A representative sample of 2,181 individuals in southeast Michigan were interviewed by telephone to record lifetime history of traumatic events specified in DSM-IV as potentially leading to PTSD. PTSD was assessed with respect to a randomly selected index trauma from the list of events reported by each respondent. RESULTS: History of any previous exposure to traumatic events was associated with a greater risk of PTSD from the index trauma. Multiple previous events had a stronger effect than a single previous event. The effect of previous assaultive violence persisted over time with little change. When they examined several features of the previous exposure to trauma, the authors found that subjects who experienced multiple events involving assaultive violence in childhood were more likely to experience PTSD from trauma in adulthood. Furthermore, previous events involving assaultive violence--single or multiple, in childhood or later on--were associated with a higher risk of PTSD in adulthood. CONCLUSIONS: Previous exposure to trauma signals a greater risk of PTSD from subsequent trauma. Although these results are consistent with a sensitization hypothesis, like the results from previous research on PTSD, they do not address the mechanism of increased responsivity to trauma. Long-term observational studies can further elucidate these observations.

Adolescent↗
PubMedDate not supplied

[Prognostic systems in intensive care: TRISS, SAPS II, APACHE III].

BACKGROUND: To validate the accuracy of SAPS II, APACHE III and TRISS for the prediction of mortality in Intensive Care Unit (ICU) at polytrauma patients admission. The outcome of multiple trauma patients is often linked to the degree of physiologic dysfunction and to the extension of anatomic lesions, the age of the patient and the lesion mechanism. METHODS: The study population consisted of 93 cases of multiple injured patients hospitalised at the ICU of the Padua hospital from October 1998 to October 1999; the term polytraumatized patient is referred to patients who have multiple lesions of which at least one potentially endangers, immediately or in a short term, their life. These cases were evaluated with the APACHE III, SAPS II, Revised Trauma Score and Injury Severity Score. The predictive power of each system was evaluated by using decision matrix analysis to compare observed and predicted outcome with a decision criterion of 0.50 and 0.40 for risk of hospital death. RESULTS: All trauma score systems under study showed high accuracy rates, above all if they are used with a 40% positive test. CONCLUSIONS: The prognostic scales used in this study showed a good correlation between expected and observed cases, particularly with TRISS and APACHE III systems. The APACHE III system seems to be the most reliable of the different methods analysed. These prognostic systems are seldom or occasionally used in the ICU, in Padua and in the whole of Italy, so Italian data are not suitable to be compared to international ones. Due to urgency, the importance of the evaluation scales is often underestimated, but even if they require time and attention, they surely can be useful in the evaluation of the treatment, and not only of a polytraumatized patient.

APACHE↗
PubMed1981

[Isolated and combined abdominal traumas (author's transl)].

A group of 89 patients treated for abdominal traumas between 1975 and 1980 is analyzed in respect of type and cause of accident, concomitant traumas and intra-abdominal organ lesion patterns. Isolated abdominal traumas are compared with abdominal traumas within an overall polytrauma. Complications and causes of death among the authors' own patients are reported. The relatively high overall mortality rate of 38% is due to the above-average proportion of multiple traumas amounting to 72%. Multiple intra-abdominal injuries or organs, simultaneous involvement of the thorax and necessary massive transfusions result in particularly unfavourable prognoses.

Abdominal Injuries↗
PubMed2005

Paediatric trauma in Spain: a report from the HUGM Trauma Registry.

OBJECTIVES: To analyse the characteristics of the infant population suffering trauma in our setting. To evaluate the importance of the different aetiological mechanisms. To study the pre- and intra-hospital management of these children. To describe the relative significance of the different lesions. To establish the magnitude of paediatric trauma as a social problem in terms of morbidity and mortality. MATERIAL AND METHODS: From January 1995 to April 2002, a total of 2633 children admitted to our Centre (Hospital Universitario Gregorio Maranon) after suffering some type of injury were included in our Trauma Register. 108 variables have been analysed, including the identification of the patient, type, site and mechanism of the accident, pre-hospital care, transport, complete evaluation on admission, indices of injury severity, diagnostic tests, lesions, treatments performed and morbidity and mortality. RESULTS: The accidents were more frequent in boys than in girls (68.5 % versus 31.5 %). The predominant age group was the 12 - 15 year old group (36.8 %). There was a higher frequency of accidents in the street (37.2 %) than at home (19.4 %) or at school (13.8 %). The most frequent mechanism was a fall (35.6 %), followed by road traffic accidents (23.7 %). On admission, 14.7 % of the children had a Paediatric Trauma Score (P.T.S.) < or = 8 (n = 388). 3.8 % were considered severe multiple trauma patients, presenting an Injury Severity Score (I.S.S.) > or = 15 (n = 101). 4.2 % of the children required intensive care. The most frequent lesions were those of the locomotor system (58.1 %) and head injuries (34.9 %). Some type of surgical or orthopaedic procedure was performed under general anaesthesia in 1522 patients (57.8 %). The mean length of stay was 4.4 days (range 1 - 214 days). Sequelae of some form were detected in 36.4 % of the patients over 3 years of age. The total mortality was 0.5 % (n = 13), being 12.8 % in the group of patients with an I.S.S. > or = 15. CONCLUSIONS: Analysis of the data in our Registry has helped us to define the characteristics of the paediatric trauma population in our setting, to monitor the management of trauma in the different care levels and to develop prevention programmes. It has also enabled us to compare the results with those of other centres in terms of morbidity and mortality with the aim of identifying and correcting any possible deficiencies in the care system.

Accidents↗
PubMedDate not supplied

Identification and preliminary validation of novel biomarkers of acute hepatic ischaemia/reperfusion injury using dual-platform proteomic/degradomic approaches.

Hepatic ischaemia/reperfusion (I/R), a major cause of liver damage associated with multiple trauma, haemorrhagic and septic shock, and liver transplantation, contributes significantly to multiple organ failure. Development of novel sensitive biomarkers that detect early stages of liver damage is vital for effective management and treatment of ischaemic liver injury. By using high-throughput immunoblotting and cation-anion exchange chromatography/reversed-phase liquid chromatography-tandem mass-spectrometry, we identified several hepatic proteins, including argininosuccinate synthase (ASS) and estrogen sulfotransferase (EST-1), which were degraded in the liver and rapidly released into circulation during I/R injury. ASS accumulated in serum within 10 min, reached a steady state at 30 min, and persisted up until 3 h after reperfusion following 30 min of total hepatic ischaemia. EST-1 appeared rapidly in blood and attained maximum within 1 hour followed by a decline at 3 h of reperfusion. No ASS or EST-1 protein was detected in serum of control or sham operated rats. ASS and EST-1 exhibited greater sensitivity and specificity toward I/R liver injury as compared with alanine aminotransferase (ALT), an established marker of hepatocellular necrosis. In contrast, serum ASS and EST-1 were undetectable in rats with chronic alcoholic liver disease, while the levels of ALT protein were significantly increased. In addition, ASS, but not EST-1 or ALT accumulated in blood only 6 h after treatment with hepatotoxic combination of lipopolysaccharide and D-galactosamine. These data demonstrate the utility of ASS and EST-1 as novel sensitive and specific biomarkers of acute liver ischaemic injury for prospective clinical studies.

Animals↗
PubMed2002

Head and neck injuries in fatal motorcycle collisions as determined by detailed autopsy.

Detailed layer-by-layer autopsy of the head and neck was performed on a series of seventy-three fatally injured motorcyclists in order to identify occult soft tissue injuries such as subluxation of the cervical spine or hemorrhage of vertebral or internal carotid arteries. The fatal cases were gathered as part of a larger study of 1082 on-scene in-depth motorcycle crash investigations in Thailand. Injuries were coded using the 1990 Abbreviated Injury Scale (AIS 90) and an Injury Severity Score (ISS) was determined for each case. Twenty-eight motorcyclists had been wearing a helmet at the start of the collision sequence, but only nine helmets remained in place through the entire collision event. Both helmeted and unhelmeted motorcyclists showed a high frequency of neck injuries such as hemorrhages in the carotid sheath compressing the vagus nerve, hemorrhages surrounding the phrenic nerves or the brachial plexus, or hemorrhages surrounding the vertebral arteries. The most significant finding of this study was the identification of serious internal neck injuries even when there was no external physical evidence of trauma to the neck. Virtually all riders with significant head injuries showed some of these soft tissue neck injuries. This may be important for trauma physicians, who are presented with critically injured motorcyclists with complex multiple trauma, which may include occult soft tissue neck injuries.

Abbreviated Injury Scale↗
PubMed2005

[Effects of glutamine granules on immunofunction in trauma patients: a double-blind randomized controlled, multi-center clinical trail with 120 patients].

OBJECTIVE: To evaluate the effect of glutamine granules on immunofunction in severe burns and trauma patients. METHODS: One hundred and twenty patients with severe burns, multiple trauma and post operation who met the requirements of the protocol joined this double-blind randomized controlled, multi-center clinical trail. Patients were randomly divided into two groups: placebo control group (P group, 60 patients) and glutamine granules treatment group (GLN group, 60 patients). There was isonitrogenous and isocaloric intake in both groups. GLN and P group patients had been given glutamine granules or placebo (glycine) at 0.5 g.kg(-1).d(-1) for 7 days, respectively. The level of plasma glutamine and some index of immunofunction were determined, and the complication and side effect were also observed. RESULTS: After 7 days of taking glutamine granules orally, plasma GLN concentration was significantly higher than that in P group [(593 +/- 185) micromol/L vs (407 +/- 190) micromol/L)] (P < 0.01). IL-2 level, CD(4)/CD(8) ratio, PMN swallow ratio in GLN group were significantly higher than those in P group (P < 0.05-0.01), but the concentration of IgG, IgM, C(3)/C(4) were not significantly different when compared with P group (P > 0.05). In addition, the occurrence of side effect in both groups was seldom. CONCLUSION: Taking glutamine granules could increase plasma GLN concentration, enhance body immunofunction, and using glutamine granules is safe.

Administration, Oral↗
PubMed1989

Physical, personal, and cognitive responses to trauma.

This article has presented an overview of important physical, personal, and cognitive responses to trauma that are necessary to provide enlightened critical care for the multiple trauma patient. The nurse who understands the full range of responses to trauma is better able to harness the patient's natural healing ability and promote optimal recovery. The unique pattern of responses that characterize the critically ill trauma patient provides a special challenge for the critical care nurse.

Adaptation, Physiological↗
PubMed1984

Outcome and risk factors in severely traumatised patients.

This study presents outcome and risk factors in 228 critically ill adult trauma patients treated in the ICU. Most of the patients had multiple traumas, the most common single trauma among them being brain injury. 23% of all patients died in the ICU and 37% by the end of the first year after intensive care. The mortality rate had not increased by the end of the second year. 9% of the patients remained disabled. The one-year mortality rate was highest (58%) in brain injury patients. On admission, before any treatment was given, disturbances in seven vital functions were classified into three grades according to their severity. An increase in the sum of these severity grades correlated well with eventual mortality. Of many biochemical parameters analysed, only hyperosmolality and hypernatremia were associated with increased mortality. Two logistic models, one for the whole patient material and another for those having no or only minor brain injury, were fitted in order to find risk factors characteristic of non-survivors. The following risk factors were obtained: increasing age, brain injury, deteriorating level of consciousness during intensive care, increasing serum osmolality and creatinine. These logistic models can be used prospectively to estimate the probability of death for an individual patient.

Adult↗
PubMed2001

Evaluating the prognosis of multiple, severely traumatized children in the intensive care unit.

OBJECTIVE: To assess the Pediatric Risk of Mortality (PRISM) score and to identify other prognosis factors in severe, multiple trauma in children. DESIGN: Retrospective study over a 9-year period. SETTING: A Pediatric Intensive Care Unit (PICU) in a University Hospital. PATIENTS AND PARTICIPANTS: One hundred and thirty-three traumatized children, 8.6 years (8 months-16 years), were reviewed. INTERVENTIONS: None. MEASUREMENTS AND RESULTS: Pediatric Trauma Score (PTS), Injury Severity Score (ISS), New ISS (NISS), Glasgow Coma Scale (GCS) score, and PRISM were calculated. The areas under the Receiver Operating Characteristic (ROC Az) curves, were compared. Univariate and multivariate analyses were performed. The mortality rate was 25.6%. PRISM performed well for discrimination between survivors and non-survivors. Az PRISM 0.9387 (0.029) was not different from Az GCS score 0.9451 (0.027) (P=0.568), but was significantly different from Az ISS 0.756 (0.052) (P<0.001), Az NISS 0.7606 (0.051) (P<0.001), and Az PTS 0.8244 (0.047) (P=0.016). Death was significantly associated with head trauma (P=0.014), PRISM >35, PTS <5, GCS <7, and ISS or NISS >32 (P<0.00001). PRISM >35 (P=0.001) and GCS <7 (P=0.003) were independent risk factors of death. CONCLUSIONS: PRISM is a reliable tool for evaluating the prognosis of multiple, severely traumatized children. Its relative simplicity and the fact that it is extremely widespread as a general prognosis score in PICUs represent other arguments for its use. Due to the leading influence of head trauma on mortality, GCS, a score even simpler than PRISM, showed identical accuracy regarding survival prediction.

Adolescent↗
PubMed1983

Anticatabolic properties of branched chain amino acids in trauma.

The anticatabolic properties of branched chain amino acids enriched protein solutions in 22 patients with multiple trauma have been evaluated. Nitrogen balance, nitrogen output, the daily change of blood urea nitrogen, plasma albumin and total protein levels were recorded daily. Each 2 days free amino acids and 3-methyl histidine urinary concentrations were measured. The results obtained in the study suggest that in trauma patients high ratios of essential amino acids/total nitrogen are needed and that amino acid solutions enriched in branched chain amino acids are most effective in preventing muscle catabolism and promoting protein synthesis.

Adult↗
PubMed1995

Prophylactic Greenfield filter placement in selected high-risk trauma patients.

PURPOSE: Pulmonary embolus (PE) remains a major factor in morbidity and death in severely injured patients, especially those in specific high-risk groups. PEs have been documented to occur despite routine deep venous thrombosis prophylaxis. The purpose of this study was to evaluate the safety and efficacy of prophylactic Greenfield filter (PGF) placement in patients who have multiple trauma with known high-risk injuries for PE. METHODS: From January 1992 to June 1994, PGF were prospectively placed in 108 patients who had an injury severity score greater than 9 and met one of the following criteria: (1) severe head injury with prolonged ventilator dependence, (2) severe head injury with multiple lower extremity fractures, (3) spinal cord injury with or without paralysis, (4) major abdominal or pelvic penetrating venous injury, (5) pelvic fracture with lower extremity fractures. These patients were compared with 216 patients, historically matched for age, sex, mechanism of injury, injury severity score, and days in the intensive care unit. Data analysis was done with chi-squared and Student's t testing. RESULT: There were no statistical differences between the PGF and control group with regard to age (35.9 +/- 1.5 vs 38.3 +/- 1.4), sex (male 76% vs 75.5%), days in the intensive care unit (21.2 +/- 1.4 vs 18.1 +/- 1.5), ISS (28.0 +/- 1.0 vs 25.4 +/- 0.8) and mechanism of injury (blunt 85% vs 81%). None of the patients in the PGF group had a PE. In the control group, however, 13 patients had a PE, nine of which were fatal. These differences were statistically significant for both PE (p < 0.009) and PE-related death (p < 0.03). The overall mortality rate was reduced in the PGF group (18 of 108, 16%) versus the control group (47 of 216, 22%); however, this did not achieve statistical significance. CONCLUSION: PGF insertion in selected patients at high risk who had trauma effectively prevented both fatal and nonfatal PE. The lower incidence of fatal PE in the PGF group may have contributed to a reduction in the overall mortality rate. Patients who have trauma with high risk for PE should be considered for PGF placement.

Adult↗
PubMed2005

[The importance of cytokines in the posttraumatic inflammatory reaction].

Alterations in the immune response after multiple trauma, posttraumatic sepsis and surgery are recognized as physiological reactions of the organism to restore homeostasis. The level of these immunological changes correlates with the degree of tissue damage as well as with the severity of haemorrhage and ischaemia. Cytokines are known to be integral components of this immune response. The local release of pro- and antiinflammatory cytokines after severe trauma indicates their potential to induce systemic immunological alterations. It appears that the balance or imbalance of these different cytokines partly controls the clinical course in these patients. Overproduction of either proinflammatory cytokines or antiinflammatory mediators may result in organ dysfunction. Whereas predominance of the proinflammatory response leads to the systemic inflammatory response syndrome (SIRS), the antiinflammatory reaction may result in immune suppression with an enhanced risk of infectious complications. Systemic inflammation, as well as immune suppression, are thought to play a decisive role in the development of multiple organ dysfunction syndrome (MODS). The major proinflammatory cytokines involved in the response to trauma and surgery include tumor necrosis factor-alpha (TNF-alpha), interleukin-1beta (IL-1beta), IL-6 and IL-8. These cytokines, which are predominantly produced by monocytes and macrophages, mediate a variety of frequently overlapping effects, and their actions can be additive. TNF-alpha and IL-1beta are early regulators of the immune response and both induce the release of secondary cytokines, such as IL-6 and IL-8. IL-10 is an antiinflammatory cytokine which reduces the synthesis of proinflammatory mediators. Other important antiinflammatory mediators are soluble TNF receptors and the IL-1 receptor antagonist, which interfere with the effects of TNF-alpha and IL-1beta.Early evaluation of the prognosis of polytraumatized patients and assessment of their clinical status is known to be difficult. Therefore, in several clinical studies, cytokine levels during the posttraumatic course have been determined with the aim of finding predictive markers of patient outcome. The purpose of this review was to highlight our current knowledge on the interaction of posttraumatic immune reactivity and the development of complications. A better understanding of these mechanisms might lead to the introduction of preventive and therapeutic strategies into clinical practice.

Adaptation, Physiological↗
PubMed1993

Scoring systems and blood lactate concentrations in relation to the development of adult respiratory distress syndrome and multiple organ failure in severely traumatized patients.

In 56 patients with multiple trauma with ISSs > or = 33 we prospectively collected data of seven scoring systems (ISS, TS, TRISS, GCS, PTS, APACHE II, SSS) and sequentially determined blood lactate concentrations. These data were analyzed in relation to the patients later developing adult respiratory distress syndrome (ARDS) and multiple organ failure (MOF). Twenty-two patients developed ARDS, and 18 developed MOF. Of the mentioned scoring systems only ISS, PTS, and SSS were predictive of subsequent ARDS, and only ISS and SSS were predictive of subsequent MOF. Lactate concentrations at days 2, 3, and 4 were significantly different between patients with and without subsequent ARDS, MOF, or both. Surprisingly, APACHE II scores did not correlate with subsequent ARDS or MOF, nor did they show any significant relation with lactate concentrations at any time. By stepwise regression analysis ISS, SSS, and lactate level at day 3 were the most significant variables toward the development of ARDS and MOF. It is concluded that scoring systems directly grading the severity of groups of trauma patients have predictive value for late and remote complications such as ARDS and MOF, whereas scoring systems that grade the physiologic response to trauma--although clearly related to mortality--have no such predictive value.

Adolescent↗
PubMed1990

Rupture of the right hemidiaphragm following blunt trauma: the use of ultrasound in diagnosis.

Diaphragmatic rupture occurs in approximately 5% of patients who sustain multiple trauma and post-mortem studies suggest that right-sided rupture is more common than generally realized. Four cases of rupture of the right hemidiaphragm secondary to blunt trauma are presented. The chest radiographs were all similar, demonstrating a right sided fluid collection and right lower lobe consolidation in all patients. No patient had a pneumothorax. CT was useful only in retrospect, demonstrating a posterior eventration of the liver into the thorax in two patients. Ultrasound proved diagnostic in all cases demonstrating either the free edge of the diaphragm as a flap within the pleural fluid or the liver herniating into the thorax. The value of ultrasound as a simple, non-invasive and direct means of imaging the diaphragm is emphasized.

Accidents, Traffic↗
PubMed1991

Trauma systems in Europe.

For prehospital care, Switzerland developed the first helicopter air rescue system but it has been surpassed by the Federal Republic of Germany, where a coordinated rescue system of physician-equipped air and terrestrial transport has been developed. With regard to hospital care of trauma victims, three systems have evolved. In Austria and the Federal Republic of Germany, the "general surgeon-traumatologist" is in charge. In these countries, the Workmen's Compensation Board restricts treatment privileges to trauma surgeons. In Switzerland and Holland, general surgeons in regional hospitals and to some extent also in university centers have largely remained responsible for trauma, including fractures. In Great Britain, as in other major European countries like France, Italy, and Spain, trauma of the locomotor system is the domain of orthopedic surgeons, with multiple trauma and body cavities remaining the responsibility of general surgeons. Overall, there is a general tendency to create integrated trauma care systems within large hospital settings. Although an experienced general surgeon can function as the leader of the trauma team, such implementation has, for the most part, not occurred.

Emergency Medical Services↗