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PubMed1984

Changes in mitogen responsiveness lymphocyte subsets after traumatic injury: relation to development of sepsis.

Head injury and multiple trauma patients were evaluated for mitogen responsiveness and lymphocyte subset frequencies within the first few days after injury. The profile obtained was compared to the patient's clinical course to see if there was a relation between early immune abnormalities and the subsequent development of unanticipated sepsis. Lymphocytes from multiple trauma patients were generally hyporesponsive to in vitro stimulation with a suboptimal dose of the mitogen phytohemagglutinin (PHA). In contrast, the response of head injured patients was comparable to that of the control group. There was a significant decrease in the relative number of multiple trauma patient's T4 (29.3 vs 48.6%) and T11 (48.9 vs 74.7%) positive populations (P less than 0.01). There was no change in the percentage of T8-positive cells (19.0 vs 20.5%). Patients with head injuries also had a decrease in T4-positive cells (35.9%). The percentage of cells with B cell and natural killer (NK) markers remained normal. Thus trauma patients appeared to have an increase in null cells. Six patients whose PHA responses were among the lowest developed sepsis early after trauma. The changes in subset distributions although possibly contributing to a decreased responsiveness did not predict the ability to respond to PHA or the development of sepsis.

Adult↗
PubMed2006

Realistic assessment of the physician-staffed emergency services in Germany.

In Germany the emergency medical services, which include dispatching emergency physicians to the scene, are considered to be among the best in the world. However, the hospitals admitting these patients still report shortcomings in prehospital care. The quality of an emergency medical service depends on both formal qualification and experience in managing such emergencies. Therefore, we determined how frequently emergency medical service physicians in Germany actually encountered complex and demanding emergency situations outside the hospital and how often they had to carry out emergency interventions. We therefore evaluated data from more than 82,000 ground emergency medical service scene calls registered in the MIND ("minimaler Notarztdatensatz") data base of the state of Baden-Wuerttemberg, Germany and more than 47,000 helicopter emergency medical service scene calls from the "Luftrettungs-, Informations- und Kommunikationssystem" (LIKS) data base of the German ADAC air rescue service. The results, which were unexpectedly distinct, impressively demonstrate that in part emergency medical service staff only encountered some emergencies very rarely. In particular, patients with life-threatening conditions such as acute coronary syndrome, stroke, head trauma, as well as multiple trauma were only treated once every 0.4-14.5 months and cardiopulmonary resuscitation and intubation were only carried out once every 0.5-1.5 months. Furthermore, a time period of 6 months to more than 6 years may pass before a chest tube has to be placed. There are, of course, considerable differences between ground and helicopter emergency medical services. Particularly in areas where the frequency of such emergency cases is low, the clinical experience required to competently manage a demanding emergency situation cannot be gained or maintained just by working in the emergency medical system. As a result of the general pressure to cut costs and also of changes in hospital politics, however, only highly qualified and experienced emergency medical services may survive in Germany in the long term. In addition to formal qualifications and accompanying practice-related courses, future emergency medical service personnel should be drafted from clinical department staff that are experienced in treating severely ill and severely injured patients.

Air Ambulances↗
PubMed1992

Lower extremity fracture fixation in head-injured patients.

Compared with nonsurgical management or delayed repair, early fracture fixation can reduce the incidence of pulmonary complications in patients with long-bone fractures of the lower extremities. Blunt trauma victims often have multiple nonskeletal injuries that might influence the risk of pulmonary complications, and when head injuries are present it has been a common practice to delay nonemergent operations for several days to protect the injured brain. We conducted a retrospective review of 114 patients with multiple trauma whose injuries included head trauma and a fracture of the neck or shaft of the femur or shaft of the tibia to determine if delayed stabilization of lower extremity fractures increased the risk of pulmonary complications or reduced the risk of cerebral complications. Forty-six patients underwent surgical fixation of their fractures within 24 hours of injury (early fixation), 26 patients had their fractures repaired more than 24 hours after injury (late fixation), and 42 patients did not undergo surgical fracture fixation. The risk of pulmonary complications was not related to the timing of surgical fracture fixation but was strongly influenced by the severity of injuries to the head and to the chest (p less than 0.001). Furthermore, a delay in fracture fixation did not protect the injured brain; the risk of CNS events was determined by the severity of the head injury (p less than 0.0001). Early fracture fixation in patients with head injury may be appropriate because it simplifies patient care and does not seem to worsen the head injury, but it does not prevent pulmonary complications in these high-risk patients.

Adolescent↗
PubMed1993

[Intra-macrophage lipid particles collected by bronchoalveolar lavage: incidence and diagnostic value].

This study aimed to determine the incidence and diagnostic value of fat-laden alveolar macrophages obtained by bronchoalveolar lavage (BAL). In 128 patients, including 66 patients admitted for multiple trauma, 158 BAL were carried out. However, 41 BAL from 32 patients were excluded because of poor quality of samples (not enough macrophages, too many ciliated cells, or haemorrhage). All the patients were intubated and mechanically ventilated, having pulmonary infiltrates on the chest film. BAL samples were examined after staining with oil-red-O. They were considered to be positive when more than 5% of alveolar macrophages contained fat droplets. Among them 14 out of 47 patients (30%) without multiple trauma were positive; 7/14 had never been given any intravenous lipid infusion, and 5/14 had aspiration pneumonia (as opposed to 3/32 patients with negative BAL). Further 27 patients out of the 49 (55%) with multiple trauma were positive. Among them 10/49 had clinical evidence of fat embolism, however, only 7/10 had positive samples. All these last ten patients had been given intravenous lipid infusions. The rate of positive alveolar macrophages was correlated neither with the plasma triglyceride concentration, nor the Fracture Index Score, nor the delay between the end of the lipid infusion and the BAL. There was no significant difference in PaO2/FIO2 ratio between the patients with positive and negative BAL. Positive BAL was significantly associated with lipid infusions. The data therefore suggest that the presence of fat-laden alveolar macrophages are associated with various pathological pulmonary conditions, particularly aspiration pneumonia and lipid infusions.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed1982

Orthopedic injuries of the lower limb and trunk in multiple system trauma.

There is a tendency in the patient who has suffered multiple injuries ot overlook the less obvious or less striking injury. The spine may be injured but the injury not recognized if the clues that are present on roentgenograms are ignored. There may be an increase in the interspinous distance with or without minor body compression in abdominal injuries due to seat-belts. Apparently minor fractures of transverse processes may indicate retroperitoneal injury severe enough to cause important urologic damage; when the 5th transverse process is fractured there may also be a fracture of the sacrum. Pelvic fractures may be accompanied by neurologic involvement. Fracture of the lower limb shaft does not eliminate the possibility of major disruption of knee ligaments. Swelling of the knee is the clue. An aggressive approach to the stabilization of fractures is advised, so that the treatment of other organs and reconstruction of blood vessels may more effectively be carried out. Compound fractures retain their high priority for early treatment, even in the presence of other important injuries.

Fracture Fixation↗
PubMed1980

Intracranial pressure monitoring in the management of the pediatric trauma patient.

Intracranial pressure (ICP) monitoring is an important adjunct in the management of the severely injured child with major head trauma. From a series of 18 patients with multiple trauma, smoke inhalation, and near-drowning, we report an illustrative case of head injury and pulmonary aspiration in which ICP monitoring was vital to appropriate therapy. The two most common techniques of ICP monitoring, the intraventricular catheter and the subarachnoid bolt, are described. Treatment of intracranial hypertension is discussed based on physiological principles. The continuous, objective recording of ICP assumes particular importance when therapy directed at other injured organ systems (ie, institution of positive end-expiratory pressure) could adversely affect the ICP. It is suggested that optimal care of children with multiple trauma and head injury include early ICP monitoring.

Bacterial Infections↗
PubMed2002

[Psychological trauma in trauma medicine--the current status of psychological management of trauma victims in Germany].

A clinically significant amount of accident victims display psychological disorders as a reaction to the trauma. Outcome studies on multiple trauma emphasize that life quality following severe accidental injury is influenced by early diagnosis and treatment of psychic co-morbidity. In a nationwide survey concerning the state of the art in in-patient treatment of injury patients conducted in Germany, every surgical ward was contacted and physicians were asked about their standard procedures of detecting and treating psychotraumatic complications. The results of the survey indicate that surgeons pay close attention to signs of psychological comorbidity and have good basic knowledge of psychotraumatic disorders. Nevertheless, there are structural deficiencies caused by the fact that only a few wards have staff specially trained in psychotraumatological care. Only a minority of patients is treated for psychotraumatic symptoms. In view of the high prevalence rates for psychotraumatic disorders in the aftermath of severe accidental injuries, the article discusses the need for psychic diagnosis and support as well as the necessary cooperative structures required in the model of Integrative Posttraumatic Acute Care.

Germany↗
PubMed1998

Management of the difficult airway in the trauma patient.

Airway management of the multiple trauma patient presents a series of challenges. By definition, many trauma patients present difficult airways that require a different approach and formulation of a planned series of steps before airway management is initiated. Recognition of specific attributes of the difficult airway, knowledge of appropriate techniques, familiarity with various devices, and prompt recognition of failed airway circumstances are necessary for optimal patient outcome. This article reviews the attributes of the difficult airway, the definition of the failed airway, and devices and techniques to be used in the management of difficult and failed airways in the trauma patient.

Airway Obstruction↗
PubMed1999

Reticuloendothelial system activity and organ failure in patients with multiple injuries.

HYPOTHESIS: Reticuloendothelial system function is altered in patients with multiple trauma and organ failure. DESIGN: Prospective cohort study. SETTING: Surgical intensive care unit at a level I trauma center. PATIENTS: Patients with multiple blunt trauma and injury severity scores greater than 20, with no referrals. INTERVENTIONS: Every second day reticuloendothelial system (RES) clearance capacity and liver blood flow were determined by administering labeled human albumin. Liver function was measured by enzymatic decay of indocyanine green, and levels of plasma tumor necrosis factor alpha were evaluated. RESULTS: In nonsurviving patients with blunt trauma, RES function was altered and was associated with organ dysfunction and infectious complications. Of 61 patients, 42 survived and 19 did not. Sixteen patients (84%) died of multiple organ failure. Significantly elevated RES activity (colloid clearance rate) was present between day 5 and day 13 after trauma in nonsurvivors (0.86+/-0.16 [mean +/- SD] on day 7, P = .003) compared with survivors (0.48+/-0.08 on day 7) and 20 healthy volunteers (0.47+/-0.06); RES activity then decreased to subnormal levels in nonsurvivors. Tumor necrosis factor alpha plasma levels were elevated early after injury only in nonsurvivors (on day 1: nonsurvivors, 1.2+/-0.4 ng/mL [mean +/- SD]; survivors, 0.5+/-0.2 ng/mL; P = .02). Indocyanine green half-life values increased late after trauma, indicating late organ failure (on day 19: nonsurvivors, 111+/-29 minutes [mean +/- SD]; survivors, 12+/-4 minutes; P<.001). CONCLUSIONS: Early after trauma, nonsurviving patients demonstrated increased proinflammatory cytokine levels, followed by a state of pathological hyperactivation of the reticuloendothelial system prior to death. These results indicate that the stationary host defense system is involved in the mechanisms causing organ failure after severe trauma.

Adult↗
PubMed2004

Blood polymorphonuclear leukocyte migration as a predictive marker for infections in severe trauma: comparison with various inflammation parameters.

OBJECTIVE: To assess in patients with multiple trauma the relevance of the following as predictive markers for infections: the inflammation parameters white blood count, body temperature, blood polymorphonuclear leukocyte (PMN) migration; blood levels of C-reactive protein, PMN elastase, procalcitonin, neopterin, interleukin 6, interleukin 8, malondialdehyde, total antioxidative status; the stress parameters cortisol and lactate. DESIGN: Prospective observational cohort study. SETTING: Intensive Care Unit of a university surgical department. PATIENTS: Twenty-six patients with multiple trauma of differing severity. MEASUREMENTS AND RESULTS: Trauma severity was estimated by the ISS. PMN migration upon F-Met-Leu-Phe stimulation was determined in fresh whole blood in a ready-for-use, one-way membrane filter assay and evaluated by automated image analysis. The other parameters were measured with commercially available tests. During hospitalization, nine patients developed infections, and 17 patients were free of infection. PMN migration below a critical minimum preceded infections in eight of the infected, but occurred in only three of the non-infected patients (positive/negative predictive values 0.72/0.93; sensitivity/specificity 0.88/0.82; likelihood ratio 5.0). Fever (> or =38.0 degrees C) had predictive values of 0.83/0.80 and a high likelihood ratio of 9.4, but a low sensitivity/specificity of 0.55/0.94. The other parameters were without significance. Procalcitonin, elastase, C-reactive protein, neopterin and lactate correlated positively with the injury severity score. CONCLUSION: PMN migration proved to be a highly sensitive predictive marker for infections. The whole-blood PMN migration test may facilitate early aggressive antimicrobial therapy.

Biomarkers↗
PubMed2000

Endothelin in septic patients: effects on cardiovascular and renal function and its relationship to proinflammatory cytokines.

OBJECTIVE: To determine the time course of big-endothelin (big-ET) and its relationship to proinflammatory cytokines and organ function in sepsis. DESIGN: Prospective analysis in patients meeting criteria of severe sepsis as part of a multicenter study (RAMSES) with an anti-tumor necrosis factor monoclonal antibody F(ab')2 fragment (afelimomab). SETTING: University hospital intensive care unit. PATIENTS: A total of 23 nontrauma patients with severe sepsis or septic shock and ten multiple trauma patients. Septic patients were randomized for additional experimental treatment when initial interleukin (IL)-6 serum level was above 1000 pg/mL. INTERVENTIONS: Randomized patients received 1.0 mg/kg afelimomab or placebo three times daily over 3 days in addition to standard treatment. In each patient, serial blood samples for plasma big-ET and cytokine determination as well as clinical data were collected over 28 days. MEASUREMENTS AND MAIN RESULTS: Significantly increased concentrations of circulating big-ET were found in patients with severe sepsis as compared with healthy subjects. In septic patients, big-ET plasma levels were higher than in multiple trauma patients, and were more elevated in randomized than in nonrandomized patients. At study entry (day 0), big-ET reached a peak concentration and significantly correlated with IL-6 (r2 = .43) and IL-8 (r2 = .44) in patients with severe sepsis. Moreover, big-ET levels in septic patients, pooled over all observation days, correlated positively with pressure-adjusted heart rate, central venous pressure, pulmonary artery pressure, and pulmonary vascular resistance and correlated inversely with creatinine clearance (r2 = .54, .54, .59, .40, and .51, respectively, p = .0001). In all randomized septic patients, pressure-adjusted heart rate decreased from day 0 to day 2 in parallel with big-ET; however, a significant decrease in big-ET (day 0 to day 2) was only found in patients additionally treated with afelimomab. CONCLUSIONS: In patients with severe sepsis, big-ET plasma levels are markedly increased, even above those of multiple trauma patients, in close relationship to IL-6 and IL-8, and with significant correlation to renal function and pulmonary vascular tone.

Adult↗
PubMed2004

Beneficial effect of helicopter emergency medical services on survival of severely injured patients.

BACKGROUND: In Rotterdam, the Netherlands, a helicopter-transported medical team (HMT), staffed with a trauma physician, provides additional therapeutic options at the scene of injury. This study evaluated the influence of the HMT on the chance of survival of severely injured trauma victims. METHODS: This was a 2-year prospective observational study of consecutive adults who suffered multiple trauma (Injury Severity Score (ISS) 16 or more) and presented to the Erasmus Medical Centre emergency ward. The effect of the HMT was quantified by an odds ratio (OR), adjusted for confounding variables in logistic regression models. RESULTS: Complete data for a total of 346 patients were available for analysis. Two hundred and thirty-nine patients were treated by ambulance personnel alone and 107 received additional HMT assistance. Patients in the HMT group had significantly lower Glasgow Coma Scale scores (mean 8.9 versus 10.6; P = 0.001) and a higher ISS (mean 30.9 versus 25.3; P < 0.001). The unadjusted OR for death was 1.7 in favour of the group treated by ambulance staff only (OR for survival 0.61 (95 per cent confidence interval (c.i.) 0.37 to 1.0, P = 0.048)). After adjustment, however, patients in the HMT group had an approximately twofold better chance of survival (all injuries: OR 2.2 (95 per cent c.i. 0.92 to 5.9), P = 0.076; blunt injuries: OR 2.8 (95 per cent c.i. 1.07 to 7.52), P = 0.036). CONCLUSION: The presence of the HMT may increase chances of survival for patients suffering multiple trauma, especially for those with blunt trauma.

Adolescent↗
PubMed2002

[Structured radiologic diagnosis in polytrauma].

PURPOSE: Development of a concept for structured diagnostic imaging in patients with multiple trauma. MATERIAL AND METHODS: Evaluation of data from a prospective trial with over 2400 documented patients with multiple trauma. All diagnostic and therapeutic steps, primary and secondary death and the 90 days lethality were documented. Structured diagnostic imaging of multiple injured patients requires the integration of an experienced radiologist in an interdisciplinary trauma team consisting of anesthesia, radiology and trauma surgery. Radiology itself deserves standardized concepts for equipment, personnel and logistics to perform diagnostic imaging for a 24-h-coverage with constant quality. RESULTS: This paper describes criteria for initiation of a shock room or emergency room treatment, strategies for documentation and interdisciplinary algorithms for the early clinical care coordinating diagnostic imaging and therapeutic procedures following standardized guidelines. Diagnostic imaging consists of basic diagnosis, radiological ABC-rule, radiological follow-up and structured organ diagnosis using CT. Radiological trauma scoring allows improved quality control of diagnosis and therapy of multiple injured patients. CONCLUSION: Structured diagnostic imaging of multiple injured patients leads to a standardization of diagnosis and therapy and ensures constant process quality.

Emergency Service, Hospital↗
PubMed2006

Early experience with the retrievable OptEase vena cava filter in high-risk trauma patients.

OBJECTIVES: Prophylactic vena cava filters (VCF) are efficient in preventing pulmonary embolism. Filter retrieval avoids the potential long-term complications of permanent VCF. Clinical evaluation was focused on filter-related complications and feasibility of retrieval in high-risk trauma patients. METHODS: Analysis of single-institution consecutive case series of patients who received a prophylactic OptEase VCF after multiple trauma between 08/2003 and 12/2004. Data were collected prospectively. RESULTS: A total of 37 OptEase filters were inserted prophylactically after multiple trauma (median patient age 35 years, range, 17-73 years, median ISS 41, range, 17-59). All patients had contraindications for pharmacological prophylaxis for thromboembolic events. 32 filters (86%) were retrieved after 16 days (range, 7-25 days). 12 of 33 filters (36%) demonstrated trapped clots/thrombosis within the filter structure on pre-retrieval cavography. Two patients received anticoagulation before filter retrieval due to filter thrombosis (6%). Symptomatic PE was observed in 1 patient (3%) 5 days after VCF retrieval. Minor caudal filter migration was observed in 1 patient (3%). Overall mortality was 3%. CONCLUSIONS: Retrieval of the OptEase filter is safe and feasible. Temporary filter placement avoids possible long-term complications of permanent VCF. It is an efficient form of PE prophylaxis when temporary contraindications to anticoagulation are present.

Adolescent↗
PubMed1997

Intubation of the trauma patient with a fractured cervical spine: controversies and consensus.

Intubation of the multiple trauma patient with suspected cervical spine injury has been the focus of much recent debate. Data demonstrating the safety of orotracheal intubation with manual in-line stabilization (1-4), has caused the emphasis to shift from use of a specific technique to operator skill and comfort (5). We present and discuss the management of a multiple trauma patient with suspected cervical spine injury.

Accidents, Traffic↗
PubMed1992

[Spinal injuries in polytrauma patients].

In about 30% of all multiple trauma patients, spinal injuries are found. The diagnostic and therapeutic procedure follows the five-step program for acute multiple trauma patients. Only in cases of open lesions or secondary deterioration of neurologic symptoms do we indicate an urgent operative treatment in step 3. All other patients should only be operated on after normalization of vital functions in step 5. The high risk for further complications is represented by the combination of thoracic spine lesions and lung contusion.

Adolescent↗