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PubMed1994

Long-term administration of pancuronium and pipecuronium in the intensive care unit.

This study was performed to determine the optimum dose of pancuronium (n = 30) and pipecuronium (n = 30) under continuous sedation and analgesia in the intensive care unit (ICU). This was an open clinical investigation in 60 critically ill patients with head injury, multiple trauma (in some complicated with sepsis and multi-organ failure), requiring neuromuscular block for ventilation for at least 48 h. Emphasis was placed on the neuromuscular monitoring with a peripheral nerve stimulator and adequate sedation and analgesia. Satisfactory block was achieved in all cases with an average dose of 3 mg/h with either compound. None of the patients experienced prolonged paralysis, muscle weakness, or other neuromuscular dysfunctions in the postventilatory period. We suggest that adequate use of sedative hypnotics and opioids plus neuromuscular monitoring allowed us to optimize the dose of muscle relaxants according to the need of individual patients.

Adolescent↗
PubMed1988

Hepatic trauma: risk factors influencing outcome.

This retrospective study analyses the fate and associated risk factors of 99 patients who underwent laparotomy for hepatic trauma from 1977 to 1986. Blunt trauma (88 patients) and stab wounds (7 patients) had mortality rates of 36 and 14 per cent respectively. The overall death rate was 35 per cent. Multiple trauma patients had a significantly higher mortality for each additional system that was seriously injured. Pre-operative shock raised the mortality from 20 to 58 per cent (P less than 0.001). For patients over 50 years of age, the mortality rate increased from 30 (younger patients) to 63 per cent (P = 0.028). Minor hepatic wounds required relatively simple surgical measures in 60 patients, yet 13 died (22 per cent) of other causes. More sophisticated surgical management was applied to 27 major hepatic lesions, with 10 deaths (37 per cent). Twelve patients (seven with minor and five with major hepatic wounds) died before surgical treatment of the liver injury could be undertaken. The overall mortality rate of major hepatic wounds was 47 per cent and for minor wounds 30 per cent. However, the difference was not significant (P = 0.152). Resection was resorted to in 15 patients, 5 of whom subsequently died (33 per cent). Classical hepatic lobectomy led to 4 deaths (50 per cent). Among the 35 deaths, 6 were due to the hepatic trauma itself (5 exsanguinations and 1 intra-abdominal sepsis). Isolated hepatic injury was fatal in three patients. We believe that conservative surgical measures should be used whenever possible in patients with hepatic trauma, especially when risk factors are encountered.

Adolescent↗
PubMedDate not supplied

Differential effects of sepsis and trauma on urinary excretion of polyamines.

Urinary excretion of polyamines increases in patients with trauma and infection. To separate the effect of infection from the general metabolic response to sepsis, we studied 7 patients with sepsis and 13 patients with multiple trauma in the intensive-care unit. Urinary excretion of total and free polyamines, putrescine, spermidine, spermine, and their metabolites N1-acetylspermidine (N1-AcSPD) and N8-acetylspermidine (N8-AcSPD), and energy and nitrogen balance were measured. The patients were randomized to receive either hypocaloric glucose alone or with amino acids for 2 days. The excretion of individual polyamines, except spermine, significantly exceeded normal values in both patient groups; the excretion of total polyamines was 530 and 323% higher than normal in patients with sepsis and trauma, respectively. The excretion of N1-AcSPD and total spermidine was 141 and 74% higher in patients with sepsis than in patients with trauma, respectively (p < 0.05), whereas the excretion of N8-AcSPD was equal in both patient groups. This was also reflected as a significantly increased urinary ratio of N1-AcSPD to N8-AcSPD in septic patients (6.37 +/- 1.61; mean +/- SE) compared with patients after injury (2.69 +/- 0.27, p < 0.01) or a healthy population (1.08 +/- 0.04, p < 0.001). Amino acid infusion had no effect on polyamine excretion. The mean energy balance was -17.0 +/- 1.1 and -19.1 +/- 1.1 kcal.kg-1.day-1, and the mean nitrogen balance was -0.17 +/- 0.03 and -0.15 +/- 0.02 g.kg-1.day-1 in patients with sepsis and trauma, respectively (NS).(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed2003

Plasma taurine concentrations increase after enteral glutamine supplementation in trauma patients and stressed rats.

BACKGROUND: Taurine is a unique amino acid with antioxidant and osmolytic properties. Glutamine serves as the preferred fuel for the gut, liver, and immune cells and as a precursor for antioxidants. Trauma patients have low glutamine concentrations. OBJECTIVES: We investigated the effect of glutamine-enriched enteral nutrition on plasma taurine concentrations in patients with severe trauma (injury severity score >20). Additionally, plasma taurine concentrations and organ fluxes were studied in a stressed rat model. DESIGN: Twenty-nine patients with multiple trauma received glutamine-enriched nutrition and 31 patients received isocaloric, isonitrogenous control solution for 5 d. Plasma taurine and glutamine concentrations were measured. Male Wistar rats (250-300 g) received a glutamine-enriched diet (12%, by wt) or a control solution for 2 wk. Plasma taurine concentrations were measured. Taurine fluxes and fractional extraction rates in the liver, kidneys, and gut were assessed with a radioactive microsphere technique. RESULTS: Both patient groups had low taurine concentrations on day 1. From day 3 onward, the glutamine-fed patients had significantly higher taurine concentrations. Rats fed a glutamine-enriched diet had significantly higher plasma taurine concentrations than did the controls. A high taurine uptake was found in the liver, kidneys, and gut of the glutamine-fed rats. Fractional extraction rates were not significantly different between the rat groups. CONCLUSIONS: Glutamine enrichment increases plasma taurine in trauma patients and in stressed rats. Because of increased availability, organ fluxes showed a higher taurine uptake in the liver, kidneys, and gut. The reduction in morbidity with glutamine enrichment could be explained in part by increased taurine availability.

Adult↗
PubMed1992

Inflammatory mediators, infection, sepsis, and multiple organ failure after severe trauma.

The relation of (multiple) organ failure (OF) to the release of inflammatory mediators and the incidence of infection and sepsis was studied prospectively in 100 patients with multiple trauma (injury severity score = 37). Sixteen patients died of OF, 47 patients survived OF, and 37 patients had no OF. Fifteen (24%) of the patients with OF showed no signs of infection. In patients with early onset of OF (n=45), infection followed with a lag of 2 or more days. In 16 (44%) of these patients, infection led to a deterioration in organ function. With late onset of OF (n=18), infection preceded OF in nine patients. Polymorphonuclear leukocyte-elastase, neopterin, C-reactive protein, lactate, antithrombin III, and phospholipase A discriminated significantly among the three outcome groups. Of all factors, only polymorphonuclear leukocyte-elastase showed a difference between patients with and without infection or sepsis, respectively. These data indicate that infection might not play a crucial role in the pathogenesis of posttraumatic OF in a substantial portion of patients with trauma. Early OF, especially, seems to be mainly influenced by the direct sequelae of tissue damage and shock (eg, the release of inflammatory mediators). Since infection and sepsis did not lead to an augmented release of mediators in patients with trauma, the role of both entities remains unclear.

Adult↗
PubMed2006

Acute external laryngotracheal trauma: diagnosis and management.

Laryngotracheal trauma may result in lifelong complications or even death if diagnosis or treatment is delayed. Emergency room physicians, trauma surgeons, anesthesiologists, and especially otolaryngologists should maintain a high level of awareness of and suspicion for laryngotracheal trauma whenever a patient presents with multiple trauma in general or with cervical trauma in particular. Although there is some controversy regarding care, treatment in experienced hands will usually result in a favorable outcome. In this article, we review and update the diagnosis and management of acute external laryngotracheal trauma.

Airway Obstruction↗
PubMed1995

Ipsilateral femoral neck and shaft fractures.

Ipsilateral femoral neck and shaft fractures occur in 2.5% to 6% of femur fractures. The injury results from high energy trauma. Victims are usually young, with multiple associated injuries. The diagnosis of the neck fracture is delayed in 19% to 31% of patients. The neck fracture line is almost vertical and nondisplaced, or minimally displaced in 26% to 59% of cases. The shaft fracture is often midshaft and open, and/or comminuted in 47% to 67% of cases. Ipsilateral knee injuries occur in 20% to 40% of patients. Two major complications, osteonecrosis of the femoral head and nonunion of the neck, result from the neck fracture. Therefore, treatment of the neck fracture takes precedence. The rate of osteonecrosis is unknown, but probably is in the range of 4% to 22%. Union rate of the neck is high and related to stable, anatomic reduction. The timing of operative fixation often is dictated by the patient's status as a multiple trauma victim, but a delay of days to weeks in the fixation of the neck fracture does not seem to increase the complication rate. The goal of any treatment plan should be anatomic reduction of the neck fracture, and stable fixation of both fractures, so that the patient can be mobilized.

Femoral Fractures↗
PubMed1999

[Shock and acute organ dysfunction].

Multiple trauma, hemorrhage, and sepsis may produce various kinds of shock, and such a host as shock could not be controlled and may easily fall into multiple organ dysfunction. Although those mechanisms on the pathogenesis of these sequential inflammatory responses have been clarified recently, the clinical outcome of such patients suffering from severe sepsis and multiple organ dysfunction is still very low. This inflammatory response against the insult shows a sequential manner; cardiovascular system failure, renal system failure, respiratory system failure, central nervous system failure, and finally, hepatic failure. However, the host response to the insult is a kind of defense against the invasion, and the clinical goal might be to stabilize hemodynamic system, metabolic system, and immunologic system. To achieve hemodynamic homeostasis, we use catecholamines and blood transfusion to improve the oxygen supply to important organs and enhance tissue repair. For metabolic homeostasis, early administration of hyperalimentation may be needed, either parenterally or enterally. Enteral feeding may also provided a route for bacterial translocation. To achieve immunologic homeostasis, prophylactic antibiotic administration and metabolic support may be required and should also protect against infection as a secondary invasion. This review explains these mechanisms in terms of the relationship between shock and organ dysfunction and the general features of clinical management.

Anti-Bacterial Agents↗
PubMed1999

Comforting strategies used during nasogastric tube insertion.

Nasogastric tube insertion is a procedure that commonly involves discomfort, yet requires the cooperation of the conscious patient. This study employed qualitative ethology to investigate how comforting strategies were used during the insertion of nasogastric tubes in trauma care. Practitioners used eight direct and indirect comforting strategies in uniquely patterned styles (technical, affective and blended). In addition, a form of 'team comforting' was implemented as multiple trauma team members made a concerted effort to complete the procedure. Further study is needed to explicate how the nurse's style affects the behavioural state displayed by the patient.

Emergency Nursing↗
PubMed2000

Trauma patients with positive cultures have higher levels of circulating macrophage migration inhibitory factor (MIF).

Macrophage migration inhibitory factor (MIF) is a pituitary "stress" hormone that plays a critical role in the host immune response. The aims of the study were to determine whether MIF was detectable in the circulation of trauma patients, to assess whether MIF levels were associated with injury severity, days post injury, infection, and to examine concentrations of other pro-inflammatory cytokines in circulation. We collected plasma samples from 35 trauma (multiple injury) patients and 18 healthy controls. Concentrations of MIF, TNF-alpha, IL-1beta, and IL-6 were measured by ELISA. Average MIF concentration in plasma of trauma patients was 14 fold higher than that of healthy controls (19,439+/-2,615 pg/ml in trauma vs 1,337+/-286 pg/ml in control; p=0.0002). There was no correlation between MIF values and injury severity score or days post injury. Average level of IL-6 in trauma patients was 587+/-85 pg/ml but was not correlated with MIF concentration. TNF-alpha and IL-1beta were not detectable in trauma patients or healthy controls. Higher MIF levels were associated with positive cultures (blood, urine, sputum, wound). These data suggest that MIF may be a possible indicator of infection in trauma patients.

Bacterial Infections↗
PubMed1990

[The principles of rendering surgical care in catastrophes].

Organization of surgical service in disaster is based on the principles of military medicine, provided for conducting triage, evacuation measures and timely rendering all types of medical aid. In extreme situations during peacetime skilled surgical is provided in medical institutions, deploying with the help of medical teams arriving to the most proximal of disaster focus zones. It is important to follow the main aspects of military surgery with the strategy of surgical procedures, therapy of shock, combined and multiple trauma, prevention of wound infection.

Disasters↗
PubMed1995

[Rupture of the diaphragm in closed traumas: apropos of 28 cases].

Twenty-eight cases of ruptured diaphragm due to blunt trauma are reported, including three with rupture on the right. Most of the patients were young men and rupture was an isolated lesion in only 6 patients, all others having multiple trauma. One patient died during surgery (3.6%) and complications, mostly respiratory, occurred in 17 patients (60.7%). Mid-term functional digestive and respiratory sequellae were evaluated. The gravity of ruptured diaphragm is basically related to the severity of the trauma and associated lesions. The diagnosis remains unrecognized in an important number of cases emphasizing the importance of repeated chest X-rays.

Abdominal Injuries↗
PubMed1990

[Late sequelae after urogenital trauma. Results of follow-up studies].

In the course of the Multicenter Study on Urological Traumatology ("UMCEST"), 61 patients who had been treated at the Departments of Urology of the Ludwig Maximilian University in Munich and the Heinrich Heine University in Düsseldorf were followed up. These included 39 patients with multiple trauma and 22 patients who had suffered isolated urological injuries. There were 45 patients with renal injuries, 7 with injuries to the bladder, and 11 who had presented with urethral injuries. Late complications were detected in 38% of the 45 patients with renal injuries. Of the 11 patients with urethral injuries, 6 suffered from urethral strictures, 9 from sexual dysfunction and 3 from incontinence. The 7 patients with bladder injuries had no late complications related to the bladder trauma.

Female↗
PubMed2007

Analysis on care outcome of patients with polytrauma and coma.

OBJECTIVE: To make further improvement of outcome of patients with polytrauma and coma. METHODS: The data of 3361 patients (2378 males and 983 females, aged from 5-95 years, 38.2 years on average) with severe polytrauma and coma admitted to Chongqing Emergency Medical Center (Level I Trauma Center), Chongqing, China, from November 1978 to December 2004 were analyzed retrospectively in this study. RESULTS: The overall survival rate and mortality were 93.2% (3133/3361) and 6.8% (228/3361), respectively. The mortalities in patients with coma duration less than 1 hour and combined with neural dysfunction and in patients with coma duration larger than or equal to 1 hour and combined with or without neural dysfunction were significantly higher than that of those with coma duration less than 1 hour but without neural dysfunction [39.5% (136/344) vs 3.0% (92/3017), P less than 0.01]. There existed significant differences in GCS, ISS, and revised trauma score (RTS) between the death group and the survival group (P less than 0.01). RTS was in good correspondence with patient's pathophysiological status and outcome in patients with multiple trauma and coma for different groups of systolic blood pressure (SBP). The mortality in patients with SBP less than 90 mm Hg was significantly higher than that of those with SBP larger than or equal to 90 mm Hg [33.3% (68/204) vs 5.1% (160/3157), P less than 0.01]. The mortality in polytrauma patients combined with serious head injury (AIS larger than or equal to 3) was 8.2%, among which, 76.5% died from lung complications. The morbidity rate of lung complications and mortality rate increased in patients with head injury complicated with chest or abdomen injury (23.9%, 61.1% vs 27.3%, 50.0%). The mortality reached up to 61.9% in patients complicated with severe head, chest and abdomen injuries simultaneously. CONCLUSIONS: It plays a key role to establish a fast and effective trauma care system and prompt and definite surgical procedures and to strengthen the management of complications for improving the survival rate of patients with severe polytrauma and coma.

Accidents, Traffic↗
PubMedDate not supplied

Adjuvant recombinant human growth hormone normalizes plasma amino acids in parenterally fed trauma patients.

BACKGROUND: The addition of an anabolic stimulant during intensive nutrition therapy in trauma patients seems to be a reasonable adjuvant for minimizing muscle-mass erosion. The plasma free amino acid pattern is the mirror of the net amino acid metabolism, and we have measured the progressive changes resulting from recombinant human growth hormone therapy in trauma victims during nutritional repletion in the early catabolic flow phase of injury. METHODS: In 20 severely injured (injury severity scale = 31 +/- 2), highly catabolic, and hypermetabolic adult multiple-trauma patients, we have measured the fasting (day 0) plasma amino acid levels (48 to 60 hours after injury before starting the nutrition therapy) and their progressive changes during 7 days of IV nutrition support (total parenteral nutrition, 1.1 x resting energy expenditure calories, 250 mg of nitrogen per kilogram per day) with or without adjuvant recombinant human growth hormone. Group H (n = 10) randomly received daily recombinant human growth hormone (0.15 mg of Somatropin per kilogram per day) and Group C (n = 10) received the vehicle of infusion. RESULTS: Hypoaminoacidemia of trauma is normalized by infusion of recombinant human growth hormone, which indicates its anabolic nature, and this is confirmed in the cumulative nitrogen balance (-281 +/- 139 mg of nitrogen per kilogram per 7 days compared with -809 +/- 151 mg of nitrogen per kilogram per 7 days without recombinant human growth hormone; p < or = .005). This improved nitrogen retention is also reflected in the significantly low blood urea nitrogen levels in the recombinant human growth hormone group, which represents the efficient utilization of the infused amino acids for synthesis of proteins. Elevated plasma insulin-like growth factor-1 levels in Group H compared with those in Group C may also account for this altered amino acid metabolism. CONCLUSIONS: Recombinant human growth hormone treatment in combination with conventional total parenteral nutrition in the immediate posttraumatic period improved nitrogen metabolism and normalized the plasma free amino acid levels.

Adult↗
PubMed1994

Neuropeptide levels early after trauma: immunomodulatory effects?

The levels of endogenous opioids, beta-endorphin and methionine-enkephalin, were analyzed in 21 severely traumatized patients (ISS 32, mortality 42.8%) from a first blood sample drawn at the scene of the injury before resuscitation within 32 +/- 16 minutes after the injury and for 8 days after trauma. Additionally, the respiratory burst function of polymorphonuclear neutrophils (PMNs) was assessed and the results were compared with those obtained from 5 healthy control patients undergoing elective surgery with the same analgesic regimen as the multiple trauma patients. Compared with elective surgery anesthesia (controls 3.3, surgery 3.2 fmol/L), the beta-endorphin levels on-scene were markedly elevated (survivors 10.1 fmol/L, non-survivors 15.0 fmol/L) (p < 0.05). Methionine-enkephalin levels after trauma were not different from those of the controls. The stimulation of PMNs with different concentrations of the opioids at the first day after trauma gave results comparable with those of the controls. On the third day after trauma the reactivity of PMNs to low opioid concentrations was markedly suppressed to 79.6% of the baseline value (p < 0.05). Endogenous opioids seem to be able to modulate the nonspecific immune-response after trauma.

Adjuvants, Immunologic↗
PubMed1996

The effects of long-term prone positioning in patients with trauma-induced adult respiratory distress syndrome.

Prone positioning improves gas exchange in some patients with adult respiratory distress syndrome (ARDS), but the effects of repeated, long-term prone positioning (20 h duration) have never been evaluated systemically. We therefore investigated 20 patients with ARDS after multiple trauma (Injury Severity Score [ISS] 27.3 +/- 10, ARDS score 2.84 +/- 0.42). Patients who fulfilled the entry criteria (bilateral diffuse infiltrates, severe hypoxemia, pulmonary artery occlusion pressure [PAOP] < 18 mm Hg, and PaO2/fraction of inspired oxygen [FIO2] < 200 mm Hg at inverse ratio ventilation with positive end-expiratory pressure [PEEP] > 8 mm Hg for more than 24 h) were turned to the prone position at noon and were turned back to the supine position at 8:00 AM on the next day. Thus only two turns per day were necessary, and the risk of disconnecting airways or medical lines was minimized. Prone positioning was repeated for another 20 h if the patients fulfilled the entry criteria. Except for FIO2, the ventilator settings remained unchanged during the study period. All patients were sedated and, if needed paralyzed to minimize patient discomfort. One hour before and after each position change, ventilator settings and pulmonary and systemic hemodynamics were recorded and blood was obtained for blood gas analysis. Derived cardiopulmonary and ventilatory variables were calculated using standard formulas. Overall mortality was 10%. Oxygenation variables improved significantly each time the patients were placed prone. Immediately after the first turn from the supine to the prone position the following changes were observed: PaO2 increased from 97 +/- 4 to 152 +/- 15 mm Hg, intrapulmonary shunt (Qva/Qt) decreased from 30.3 +/- 2.3 to 25.5 +/- 1.8, and the alveolar-arterial oxygen difference decreased from 424 +/- 24 to 339 +/- 25 mm Hg. All these changes were statistically significant. Most of these improvements were lost when the patients were turned supine, but could be reproduced when prone positioning was repeated after a short period (4 h) in the supine position. Short periods in the supine position were necessary to allow for nursing care, medical evaluation, and interventions such as placement of central lines. No position-dependent changes of systemic hemodynamic variables were observed. We conclude that, in trauma patients with ARDS undergoing long-term positioning treatment, lung function improves significantly during prone position compared to short phases of conventional supine position during which the beneficial effects are partly lost.

Adult↗