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[Does initial management of polytrauma patients have an effect on the development of multiple organ failure? Evaluation of preclinical and clinical data of 1,112 polytrauma patients].

The aim of this study was to investigate criteria in the preclinical and early clinical treatment which contribute to the development of posttraumatic multiple organ failure (MOV). In a retrospective study, 1112 primarily treated patients with multiple trauma and an injury severity > 20 on the Hanover Polytrauma Score (PTS) were investigated. The patients were classified according to Goris into groups with MOV (+MOV; 16.8%) and without MOV (-MOV). Patients with MOV had a significantly higher injury severity score (39.1 vs 33.7). A significantly higher proportion of +MOV patients had severe trunk injuries: thorax (85.2% vs 68.9%), abdomen (37.0% vs 26.1%) and pelvis (49.4% vs 35.6%). -MOV patients had significantly more injuries of the extremities (83.6% vs 72.8%). Differences in preclinical management were seen. The proportion of helicopter transports was significantly higher in the -MOV group (67.9% vs 57.8%). A positive effect was seen for early preclinical intubation. Patients who were intubated before arrival at the hospital had the same rate of MOV incidence as late intubated patients, but they had significantly higher (trunk) injury severity. +MOV patients received a significantly higher quantity of fluid replacement. In particular, more blood units and fresh frozen plasma were given in the first 24 h after trauma, possibly in association with the trunk injuries and the consequently increased hemorrhage. The mortality for all patients was 27.2%, in the +MOV group 60.4%. Posttraumatic MOV was the most frequent cause of death (37.5%), and the mean time of death after MOV was 16.7 days.

Adult↗

Management strategy in purpura fulminans with multiple organ failure in children.

Purpura fulminans (PF), which describes the necrosis of soft tissue secondary to diffuse microvascular thrombosis induced by transient protein C deficiency associated with meningococcal sepsis, is unusual despite the approximately 15000 cases of bacterial meningitis which occur annually in the USA. PF has a reported mortality of 50 per cent secondary to multiple organ failure which commonly accompanies the syndrome and is associated with major long-term morbidity in those who survive. Children who develop multiple organ failure in association with purpura fulminans are difficult management problems and benefit from the unique surgical and critical care resources available in burn centres. We describe our recent experience with three such patients and suggest a management strategy, the key components of which include early excision and closure of deep wounds, aggressive critical care management and long-term follow-up should delayed epiphyseal growth occur.

Adolescent↗

NISS predicts postinjury multiple organ failure better than the ISS.

BACKGROUND: The Injury Severity Score (ISS) has been observed consistently to be a robust predictor of postinjury multiple organ failure (MOF). However, the ISS fails to account for multiple injuries to the same body region. Recently, the "new" ISS (NISS) has been proposed to address this shortcoming. Preliminary studies suggest the NISS is superior to the ISS in predicting trauma mortality. Our purpose was to determine whether the NISS is a better predictor of postinjury MOF than the ISS. METHODS: A total of 558 patients admitted to our Level I trauma center with ISS > 15, age > 15 years, and survival > 48 hours were prospectively identified; 101 (18%) developed postinjury MOF. Data characterizing postinjury MOF were collected, and the NISS was calculated retrospectively. The ISS and NISS were compared as univariate predictors of MOF. Multivariate analysis was used to determine whether substitution of NISS for ISS resulted in a superior predictive model. RESULTS: In 295 patients (53%), the NISS was greater than the ISS. This subgroup of patients experienced a greater frequency of MOF (26.7% vs. 8.3%, p < 0.0001), a higher mortality (12.8% vs. 4.9%, p < 0.001), and a higher early transfusion requirement (6.7 U vs. 3.6 U, p < 0.0001) compared with the group in which NISS equaled ISS. Moreover, the NISS yielded better separation between patients with and without MOF reflected by the greater difference in median NISS scores compared with ISS scores. The multivariate predictive model, including NISS, showed a better goodness of fit compared with the same model that included ISS. CONCLUSIONS: The NISS is superior to the ISS in the prediction of postinjury MOF. This measure of tissue injury severity should replace the ISS in trauma research.

Adult↗

Infection, multiple organ failure, and survival in the intensive care unit: influence of glutamine-supplemented parenteral nutrition on acquired infection.

OBJECTIVE: We investigated the effect of a glutamine-supplemented parenteral nutrition on intensive-care-acquired infection (ICAI) and its relation to outcome. METHODS: We analyzed new data prospectively collected during a double-blind, randomized, and controlled trial in an adult general intensive care unit previously reported (Nutrition 1997;13:295). Eighty-four patients were randomized to receive glutamine-supplemented total parenteral nutrition or an isonitrogenous, isoenergetic control. Sepsis was present on admission in 71% of the patients. Clinical and microbiological data were collected on all new infective episodes and associated treatment decisions. Data were analyzed blind to the randomization and study outcome. RESULTS: There was no significant difference in the number of patients developing new infections or in the number occurring during the first 5 d. There was a non-significant trend to increased numbers of infections in those patients receiving the control feed for at least 5 d. In these patients the glutamine recipients showed significantly fewer catheter-related infections: 21 versus 12 (P = 0.026). The difference in overall 6-mo mortality was almost completely described by those patients fed for at least 5 d: 9 of 25 versus 18 of 27 using the control nutrition (P = 0.05). Of the deaths in the intensive care unit due to multiple organ failure, 8 of 8 in the glutamine group and 14 of 16 in the control group sustained one or more ICAI and accounted for 38% versus 74%, respectively, of the ICAIs occurring in those patients. In those patients, despite a similar high incidence of colonization with Candida, those receiving glutamine developed fewer Candida infections and none died, whereas six control patients who developed Candida infections died from multiple organ failure (P = 0.02). Survival was not related to the reduced occurrence of the first acquired infection; however, binary logistic regression analysis of glutamine and the incidence of ICAI after starting total parenteral nutrition to outcome showed that only glutamine was significantly associated with improved 6-mo survival (P = 0.027). CONCLUSIONS: In these severely ill patients, parenteral nutrition containing glutamine may not reduce the overall incidence of ICAI, but it may reduce the risk of dying from acquired infections. The improved survival seen at 6 mo appeared related mostly to reduced mortality in the intensive care unit from multiple organ failure in those patients in whom acquired infections are common.

Aged↗

Early risk factors for postinjury multiple organ failure.

Epidemiologic studies, based on retrospective data from heterogeneous populations with poor control of confounders, led early investigators to conclude that infection was the overriding risk factor for multiple organ failure (MOF). More recent studies have convincingly shown that MOF frequently occurs in the absence of infection. Consequently, we have shifted our research focus away from the traditional infectious models of MOF to the newer "one-hit" and "two-hit" inflammatory models. Clinically, we have chosen to study trauma patients because they are a relatively homogeneous group with a low incidence of common confounders. Trauma also permits a clear distinction between the first insult and the outcome, both temporally and with respect to the definition criteria. In this review we discuss the background, rationale, and our initial attempts to use indicators of the first insult (i.e., tissue injury quantification and clinical signs of shock) and indicators of the host response (i.e., systemic inflammatory response syndrome) to predict MOF early after injury.

Critical Care↗

Cytokine patterns in patients after major vascular surgery, hemorrhagic shock, and severe blunt trauma. Relation with subsequent adult respiratory distress syndrome and multiple organ failure.

OBJECTIVE: This study investigates the course of serum cytokine levels in patients with multiple trauma, patients with a ruptured abdominal aortic aneurysm (AAA), and patients undergoing elective AAA repair and the relationship of these cytokines to the development of adult respiratory distress syndrome (ARDS) and multiple organ failure (MOF). SUMMARY BACKGROUND DATA: Severe tissue trauma, hemorrhagic shock, and ischemia-reperfusion injury are pathophysiologic mechanisms that may result in an excessive uncontrolled activation of inflammatory cells and mediators. This inflammatory response is thought to play a key role in the development of (remote) cell and organ dysfunction, which is the basis of ARDS and MOF. METHODS: The study concerns 28 patients with multiple trauma, 20 patients admitted in shock because of a ruptured AAA, and 18 patients undergoing elective AAA repair. Arterial blood was serially sampled from admission (or at the start of elective operation) to day 13 in the intensive care unit, and the serum concentrations of tumor necrosis factor-alpha (TNF-alpha), interleukin (IL)-1 beta, and IL-6 were determined. RESULTS: Twenty-two patients died, 15 within 48 hours and 7 after several weeks, as a result of ARDS/MOF. At hospital admission and after 6 hours, these nonsurvivors had significantly higher plasma TNF-alpha and IL-1 beta levels than did the survivors. At the same measuring points, TNF-alpha and IL-1 beta were significantly more elevated in patients with ruptured AAA than in traumatized patients. However, IL-6 was significantly higher in the traumatized patients. In 10 patients, ARDS/MOF developed, and 41 had an uncomplicated course in this respect. Those with ARDS/MOF exhibited significantly different cytokine patterns in the early postinjury phase. TNF-alpha and IL-1 beta levels were higher mainly on the first day of admission; IL-6 concentrations were significantly elevated in patients with ARDS/MOF from the second day onward. The latter cytokine showed a good correlation with the daily MOF score during the whole 2-week observation period. CONCLUSIONS: In the early postinjury phase, higher concentrations of these cytokines are associated, not only with an increased mortality rate, but also with an increased risk for subsequent ARDS and MOF. These data therefore support the concept that these syndromes are caused by an overwhelming autodestructive inflammatory response.

Aged↗

The association of circulating endotoxaemia with the development of multiple organ failure in burned patients.

In this study, we examined the relationship of plasma endotoxin levels to the development of multiple organ failure (MOF), and the outcome in patients with thermal injury. A prospective cohort study of 17 patients admitted with burns covering more than 70 per cent of body surface area was undertaken. Circulating endotoxin concentrations were measured by modified limulus amoebocyte lysate assay in serial samples of plasma. Seven out of 17 burned patients developed MOF according to multiple criteria. The plasma endotoxin concentrations of patients with MOF were 0.512-1.127 EU/ml, which were significantly higher than that of 10 patients without MOF (0.216-0.553 EU/ml), on 3, 14, 21 and 28 days postburn (p < 0.05-0.01). A significantly higher incidence of positive endotoxin tests (> or = 0.120 EU/ml) was found in patients who developed MOF as compared to those patients who did not develop MOF during the observation period (p < 0.05). As the mean endotoxin levels increased, the incidence of MOF and death rate also increased, and persistent endotoxemia carried a poor prognosis. The present investigation provides further evidence that endotoxemia in severely burned patients commonly occurs. Circulating endotoxin has also been found to be strongly associated with the development of MOF and mortality following major burn injury.

Adult↗

Postoperative acute gastrointestinal tract hemorrhage and multiple-organ failure.

Acute upper gastrointestinal tract hemorrhage (AUGH) was evaluated postoperatively in 720 critically ill patients and correlated with multiple-organ failure (MOF). The AUGH incidence was 20.1%. Patients were divided into three groups. Group 1 (n = 77) patients were admitted without AUGH, but developed MOF and later AUGH, with renal failure as the most common previous failure. Group 2 (n = 36) patients were admitted with AUGH and other failures. Group 3 (n = 32) patients were admitted without AUGH, which appeared as the first or only failure. Means +/- SDs for MOF and mortality for groups 1, 2, and 3, respectively, were as follows: 3.2 +/- 0.8, 75.3%; 3.2 +/- 1.1, 63.9%; and 1.8 +/- 0.8, 28.1%. A control group (n = 90) with MOF but without AUGH presented 1.8 +/- 0.9 for MOF and 41.1% mortality. Mortality, sepsis, and mean MOF were higher in AUGH cases and lower in group 3 vs groups 1 and 2. Acute upper gastrointestinal tract hemorrhage is a component of MOF (Baue's syndrome) that is closely related to sepsis particularly after abdominal surgery.

Abdomen↗

Multiple organ failure complicating probable scrub typhus.

This report describes a case of life-threatening acute respiratory distress syndrome with multiple organ failure complicating probable scrub typhus. Favorable outcome was associated with fluoroquinolone therapy. Scrub typhus should be suspected in travelers returning from Southeast Asia presenting with unexplained respiratory manifestations.

Adult↗

Pediatric septic shock and multiple organ failure.

In the last 5 years, the understanding of the epidemiology and pathogenesis of pediatric sepsis, septic shock, and multiple organ failure has expanded greatly. There has also been a substantial increase in the number of successful randomized trials in which success has been measured as reduction in mortality in adults, children, and newborns. This article discusses these advances, updating the 1997 article on septic shock written by the author and by Dr. Robert E. Cunnion and following the format of the 1997 article.

Critical Care↗

Energy expenditure in postoperative multiple organ failure with acute renal failure.

The provision of an adequate energy supply is of particular importance in patients sustaining long periods of multiple organ failure (MOF). Energy expenditure (EE) and hypermetabolism (measured EE expressed as percent above predicted basal metabolic rate) were investigated in 22 artificially ventilated patients with MOF during the second to fourth postoperative weeks. Eleven of these patients had severe acute renal failure (ARF) necessitating extracorporeal renal replacement therapy, whereas eleven patients had normal or only moderately impaired renal function (serum creatinine less than 200 mumol/l). The average EE in all patients was 124 +/- 17 (SD) kJ/kg x 24 h and the average hypermetabolism was 35 +/- 12%. Patients with MOF including ARF had significantly (p less than 0.01) lower EE (114 +/- 12 kJ/kg x 24 h) and hypermetabolism (28 +/- 7%) than patients with normal or only moderately impaired renal function (133 +/- 17 kJ/kg x 24 h and 42 +/- 12%, respectively). The results confirm that patients with MOF have only a moderate hypermetabolism and indicate that hypermetabolism is even less pronounced in MOF patients with ARF. The results suggest that the presence of ARF in MOF is associated with a more extensive reduction in aerobic metabolism than may be attributed to the loss of renal function. The marked interindividual variation in EE emphasizes the importance of EE monitoring as a guideline for nutritional support.

Acute Kidney Injury↗

[Treatment of multiple organ failure].

Since numerous pathogenic factors are known to be involved in the development of disseminated intravascular coagulation (DIC) and multiple organ failure (MOF) in sepsis, the successful management of these clinical states is difficult. To investigate the mechanisms further, we developed experimental sepsis models associated with DIC and MOF, or endotoxin induced renal insufficiency model unaffected by prerenal factors. The hypercoagulable state leading to DIC is considered to be a prerequisite for MOF and inactivation of Xa or suppression of platelet activation is an important step to prevent the occurrence of DIC and MOF.

Alprostadil↗

The role of infection in outcome of Multiple Organ Failure.

It is widely assumed that infections are the principal cause and primary outcome determinant of the syndrome of Multiple Organ Failure (MOF) in critically ill patients. Infections are frequent in these patients, but the prevention and treatment of infections may not influence the course of MOF. This study tested the hypothesis that infections play a decisive role in the outcome of MOF. Data were gathered concurrently on all adult patients admitted over an 18-month period to a non-cardiac surgical ICU at a university hospital and recorded in a computer database. Sepsis was defined as a state characterized by at least three of the following: fever, tachycardia, leukocytosis or leukopenia, increased cardiac index, reduced systemic vascular resistance, and hypercatabolism manifested by nitrogen-wasting. The presence of an infection was not required for the diagnosis of sepsis. Mild sepsis was defined as the presence of three or four parameters. Severe sepsis was defined as the presence of five or six parameters. MOF was defined as the development of dysfunction of at least two of the following major organ systems: cardiac, gut, pulmonary, renal, cerebral, and hepatic. Of 749 admissions, 73 patients developed MOF. Thirty four (47%) had a documented source of infection, 37 (51%) had positive blood cultures, and all had sepsis. Hospital mortality was 66 percent (48 of 73 patients). Death could not be predicted by bacteremia (P > 0.25), nor by the presence of an infectious source (P = 1.0), but was strongly associated with severe sepsis (P < 0.0005).(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗

A case of multiple organ failure due to heat stoke following a warm bath.

Heat stroke is a potentially fatal disorder that's caused by an extreme elevation in body temperature. We report here an unusual case of multiple organ failure that was caused by classical, nonexertional heat stroke due to taking a warm bath at home. A 68 year old diabetic man was hospitalized for loss of consciousness. He was presumed to have been in a warm bath for 3 hrs and his body temperature was 41degrees C. Despite cooling and supportive care, he developed acute renal failure, disseminated intravascular coagulation (DIC) and fulminant liver failure. Continuous venovenous hemofiltration was started on day 3 because of the progressive oligouria and severe metabolic acidosis. On day 15, septic ascites was developed and Acinetobacter baumanii and Enterococcus faecium were isolated on the blood cultures. In spite of the best supportive care, the hepatic failure and DIC combined with septic peritonitis progressed; the patient succumbed on day 25.

Aged↗

Pneumonia: cause or symptom of postinjury multiple organ failure?

Recent studies have shown that selective gut decontamination can reduce the incidence of pneumonia, but this does not decrease multiple organ failure (MOF) or mortality. These findings have prompted the hypothesis that pneumonia is an inconsequential symptom of MOF. To test this, we prospectively evaluated 123 high-risk trauma patients (mean Injury Severity Score = 36.2 +/- 1.5). Organ dysfunction, scored daily according to a 12-point scale, ultimately developed in 28 (23%) patients. Major infections were diagnosed, based on strict criteria, in 59 patients (48%), and pneumonia developed in 52 patients (43%). Pneumonia was significantly associated with MOF (82% of patients with MOF versus 30% of patients without MOF, p < 0.0001). In 14 (50%) of the patients with MOF, pneumonia preceded a significant rise (greater than or equal to 3) in serial MOF scoring. Of note, 10 (71%) of these patients died. Among the remaining 14 patients with MOF, 10 developed pneumonia, but this was associated with a minimal increase (less than or equal to 2) in MOF scoring (3 patients died). These data, by temporal association with MOF scoring, implicate pneumonia in precipitating or significantly worsening organ failure in 50% of the patients who developed MOF.

Adolescent↗

Evidence for early supply independent mitochondrial dysfunction in patients developing multiple organ failure after trauma.

OBJECTIVE: To determine whether early supply independent mitochondrial oxidative dysfunction occurs in trauma patients who develop multiple organ failure (MOF). DESIGN: Prospective focused observational trial. METHODS: High-risk patients were aggressively resuscitated while being continuously monitored by near infrared spectroscopy. Near infrared spectroscopy monitoring strips allow for a direct comparison of changes in tissue oxyhemoglobin levels (HbO2), which reflect local oxygen supply, and cytochrome a,a3 redox, which reflects mitochondrial oxygen consumption. Under normal conditions, HbO2 and a,a3 redox are tightly coupled. On the other hand, decoupled HbO2 and a,a3 redox is a sign of mitochondrial oxidative dysfunction. Outcomes included MOF, oxygen delivery, oxygen consumption, lactate, and the presence of decoupled HbO2 and a,a3 redox. RESULTS: Twenty-four high-risk patients were studied; nine (38%) developed MOF. At 12 hours of resuscitation, MOF and non-MOF patients did not have statistically different oxygen delivery and oxygen consumption, but lactate levels were significantly higher in MOF patients. Additionally, HBO2 and a,a3 redox were decoupled in eight (89%) MOF patients compared with two (13%) non-MOF patients (p < 0.05). CONCLUSION: Severely injured trauma patients who develop MOF preferentially display evidence of mitochondrial oxidative dysfunction early in the course of their resuscitation despite early goal-oriented maximization of oxygen delivery.

Adolescent↗

Role of the tissue factor pathway in the pathogenesis and management of multiple organ failure.

Sepsis is caused by a dysregulated immune response to infection and, without intervention, can lead to septic shock and multiple organ failure. A leading cause of morbidity and mortality in intensive care units worldwide, severe sepsis is also associated with a considerable cost burden that places significant strain on global healthcare budgets. The development of an efficacious and cost-effective treatment strategy is therefore of vital importance to today's intensive care physicians. This paper will examine the pathophysiology of sepsis and multiple organ dysfunction before reviewing trials recently undertaken to investigate three potential anticoagulant therapies: antithrombin III, activated protein C, and tissue factor pathway inhibitor. Finally, other recent developments in the care of sepsis patients will be briefly examined.

Anticoagulants↗

Monoethylglycinexylidide as an early predictor of posttraumatic multiple organ failure.

The prognostic value of a dynamic liver-function test, based on the hepatic conversion of lidocaine to monoethylglycinexylidide (MEGX), in predicting multiple organ failure (MOF) was prospectively investigated in 28 critically ill patients after multiple trauma. The MEGX test and conventional static liver tests (bilirubin, aspartate aminotransferase, glutamate dehydrogenase, and factor V) were performed on days 1, 3, 5, and 7 after trauma. Patients were classified by a modified MOF score into a group without (n = 18) and a group with the MOF syndrome (n = 10). One patient who developed MOF on the basis of a bacterial septicemia was excluded from the general evaluation. No significant differences were observed in the MEGX values of the two groups on day 1. All patients who subsequently developed MOF, however, displayed a sharp decrease in their MEGX values between days 1 and 3. Analysis of the data using receiver operating characteristic (ROC) curves revealed that the results of the MEGX test on day 3 provided the greatest discriminating power between patients with and without subsequent MOF. A cut-off MEGX value of 30 micrograms/L on day 3 was associated with a prognostic sensitivity of 89% and a prognostic specificity of 94%.

Adult↗