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PubMed1990

Clinical, operative and pathological correlations in fatal and near-fatal thoracic trauma in Nigerians.

A combined retrospective and prospective review of 248 chest trauma patients has been carried out at the University of Ilorin Teaching Hospital between 1979 and 1986. Eight and 12 of these patients respectively were so severely injured that they were certified dead on arrival in the Emergency Room or at varying periods during resuscitation but before definitive management. Ten others were subjected to major operation. The peculiar clinical features of this sub-group of 30 patients within the context of the entire series are analysed in detail and correlated with autopsy and operative findings in 20 and 10 patients respectively. Most (36.7%) of the severe injuries occurred in the 21-30 age group followed by children under 10 years of age (16.7%). When injuries are classified into life-threatening, potentially life-threatening and mild (including incidental pathology found at autopsy), the majority (95%) of autopsy cases sustained multiple trauma combining cranio-encephalic, abdominal, extremity and spinal injuries, in descending order, with chest trauma. Penetrating trauma constituted 50% of the thoracotomy group while all but one of 20 autopsy cases sustained blunt injuries. Multiple rib fractures including proximal ones were common. No major tracheobronchial or aortic disruptions were encountered while two cases of heart injury were seen. Suggestions are made towards decreasing the injury treatment interval, improving the general level of preparedness and diagnosis of visceral injury despite more obvious non-visceral trauma.

Adolescent↗
PubMedDate not supplied

Time to analgesia for patients with painful extremity injuries transported to the emergency department by ambulance.

OBJECTIVE: To measure the time to analgesia for patients with painful, isolated extremity injuries brought to the emergency department (ED) by emergency medical services (EMS). METHODS: A retrospective chart review of all patients presenting with isolated, painful extremity injuries during an 18-month period to a Level 1 trauma center. Medical records were reviewed by diagnostic codes for extremity injuries. INCLUSION CRITERIA: patients 18 years or older transported to the ED by EMS; isolated, painful extremity injuries; received parenteral analgesia in the ED or by EMS. Excluded: multiple trauma patients, interfacility transfers, hemodynamically unstable patients, head-injured patients, intoxicated patients, and patients with mental status changes. Data elements: age, sex, EMS arrival time, EMS medication time, hospital triage time, and ED medication time. All "times to analgesia" were calculated from the EMS arrival time on scene. RESULTS: Extremity injuries were identified in 706 patients. Of these, 104 patients with painful, isolated, extremity injuries met all inclusion criteria. Thirteen (12.5%) of 104 received analgesia by EMS during prehospital care. Ninety-one patients (88%) first received parenteral analgesia in the ED. The mean time to analgesia for EMS treated patients was 23 minutes (95% CI 16.7-30.2). Mean time to analgesia for patients treated in the ED was 113 minutes (95% CI 99.2-128.1). Mean time to analgesia after triage in this group was 75 minutes (95% CI 60.8-89.7). CONCLUSION: In this study, patients received analgesia sooner when administered by EMS during prehospital care. There was a significant time delay after triage for patients first medicated in the ED.

Adult↗
PubMed2006

Emergency chest tube placement in trauma care - which approach is preferable?

BACKGROUND: Pneumothorax is present in about 20% of blunt major trauma cases. Insertion of an intercostal tube drainage is one effective treatment, however it is unclear whether the thoracostomy has more advantages if placed in the ventral (2.-3. intercostal space) or lateral (4.-6. intercostal space) approach. The aim of this study was to determine, whether there are any differences between the two approaches in respect of malposition and complications. MATERIAL AND METHODS: The data from 851 consecutive patients, admitted to our trauma centre from January 2000 to June 2004, was collected and analysed prospectively. The inclusion criteria were: ISS > or = 16, insertion of an intercostal tube and subsequent thoracic computed tomography. Epidemiological and physiological data were analysed together with the location of the tube (ventral or lateral). The attending physician was free to choose the location of insertion. Chest tubes placed both on-scene and in-hospital chest tubes were investigated. Malpositions, defined as extrathoracic, abdominal, parenchymal or interlobal positions, were analysed by reviewing the computed tomography of the thorax (CT). Complications, like injuries to vessels or organs, infection or empyaema were analysed using our standardised prospective trauma protocol. Furthermore, the rate of clinically relevant malfunctions due to malposition was investigated as well as the number of chest tubes that had to be replaced. RESULTS: One hundred and one chest tubes were inserted in 68 patients with multiple trauma (mean age 40.7, ISS=38.1, AIS thorax=3.9). In 21 cases a ventral approach was chosen (20.8%) and in 80 a lateral approach (79.2%). CT revealed malposition in two of the ventrally placed tubes (9.5%) and in 20 of the laterally placed tubes (25%) (p=0.15, Fisher's exact test). One tube was identified in a subcutaneous location 17 chest tubes, after ventral approach all of them as a result of lateral approaches, were placed in the interlobe. No interlobal positions were observed in the ventral group. The interlobal position was found to be significantly higher in the lateral approach (p=0.013, Fisher's exact test). Clinically relevant malfunction was diagnosed in 6 of the 22 malpositioned chest tubes (5.9%). These tubes had to be repositioned, one was placed ventrally, the other five were placed laterally. CONCLUSIONS: In our setting physicians preferred the lateral approach on-scene as well as in-hospital. In every fifth patient malpositioning of the tube was observed, mostly interlobal after lateral chest tube, however only few were associated with relevant clinical malfunctions. The probability of interlobal malpositioning is significantly higher when using the lateral approach as opposed to the ventral approach. Correction of malpositioned and ineffective chest tubes was necessary in every 17th case. No statistically significant difference between the two approaches for functional malposition was observed. Hence both approaches for emergency chest tube insertion seem to be equally justified.

Chest Tubes↗
PubMed2005

Electrostimulation for the prevention of deep venous thrombosis in patients with major trauma: a prospective randomized study.

BACKGROUND: Current methods of posttraumatic thromboprophylaxis (heparins and sequential compression devices) are inadequate. New methods should be tested. Muscle electrostimulation (MEST) has been used over the years with mixed-but predominantly encouraging-results for a variety of conditions, including prevention of deep venous thrombosis (DVT). It has not been tested in multiple trauma patients. METHODS: Trauma patients with Injury Severity Score higher than 9 who were admitted to the intensive care unit and had a contraindication for prophylactic heparinization were randomized to groups MEST and control. MEST patients received 30-minute MEST sessions twice daily for 7 to 14 days. Venous flow velocity and venous diameter were measured by duplex venous scan. Venography-or, if not available, duplex-was used to evaluate the presence of proximal and peripheral DVT between days 7 and 15. RESULTS: After exclusions, 26 MEST and 21 control patients completed the study and received outcome evaluation by venography (25) or duplex (22). Three patients in each group developed proximal DVT (11.5% vs 14%, P = .79), and an additional 4 (15%) MEST group and 3 (14%) control group patients developed peripheral DVT ( P = .96). There was no difference in venous flow velocity or venous diameter between the groups. CONCLUSIONS: MEST was not effective in decreasing DVT rates in major trauma patients.

Adolescent↗
PubMedDate not supplied

Integrated nutritional, hormonal, and metabolic effects of recombinant human growth hormone (rhGH) supplementation in trauma patients.

An anabolic stimulus is needed in addition to conventional nutritional support in the catabolic "flow" phase of severe trauma. One promising therapy appears to be rhGH infusion which has direct as well as hormonal mediated substrate effects. We investigated on a whole-body level, the basic metabolic effects of trauma within 48-60 h after injury in 20 severely injured (injury severity score [ISS] = 31 +/- 2), highly catabolic (N loss = 19 +/- 2 g/d), hypermetabolic (resting energy expenditure [REE] = 141 +/- 5% basal energy expenditure [BEE]), adult (age 46 +/- 5 y) multiple-trauma victims, before starting nutrition therapy and its modification after 1 wk of rhGH supplementation with TPN (1.1 x REE calories, 250 mg N.kg-1.d-1). Group H (n = 10) randomly received at 8:00 a.m. on a daily basis rhGH (0.15 mg.kg-1.d-1) and Group C (n = 10) received the vehicle of infusion. Protein metabolism (turnover, synthesis and breakdown rates, and N balance); glucose kinetics (production, oxidation, and recycling); lipid metabolism, (lipolysis and fat oxidation rates), daily metabolic and fuel substrate oxidation rate (indirect calorimetry); and plasma levels of hormones, substrates, and amino acids were quantified. In group H compared to group C: N balance is less negative (-41 +/- 18 vs -121 +/- 19 mg N.kg-1.d-1, P = 0.001); whole body protein synthesis rate is 28 +/- 2% (P = 0.05) higher; protein synthesis efficiency is higher (62 +/- 2% vs 48 +/- 3%, P = 0.010); plasma glucose level is significantly elevated (256 +/- 25 vs 202 +/- 17 mg/dL, P = 0.05) without affecting hepatic glucose output (1.51 +/- 0.20 vs 1.56 +/- 0.6 mg N.kg-1.min-1), glucose oxidation and recycling rates; significantly enhanced rate of lipolysis (P = 0.006) and free fatty acid reesterification (P = 0.05); significantly elevated plasma levels of anabolic GH, IGF-1, IGFBP-3, and insulin; trauma induced counter-regulatory hormone (cortisol, glucagon, catecholamines) levels are not altered; trauma induced hypoaminoacidemia is normalized (P < 0.05) and 3-methylhistidine excretion is significantly low (P < 0.001). Improved plasma IGF-1 levels in Group H compared with Group C account for protein anabolic effects of adjuvant rhGH and may be helpful in promoting tissue repair and early recovery. Skeletal muscle protein is spared by rhGH resulting in the stimulation of visceral protein breakdown. The hyperglycemic, hyperinsulinemia observed during rhGH supplementation may be due to defective nonoxidative glucose disposal, as well as inhibition of glucose transport activity into tissue cells. The simultaneous operation of increased lipolytic and reesterification processes may allow the adipocyte to respond rapidly to changes in peripheral metabolic fuel requirements during injury. This integral approach helps us to better understand the mechanism of the metabolic effects of rhGH.

Adult↗
PubMed2006

Omega-3 fatty acids improve the diagnosis-related clinical outcome.

OBJECTIVE: Supplementation of clinical nutrition with omega-3 fatty acid in fish oil exerts immune-modulating and organ-protective effects, even after short-term application. The aim of this study was to evaluate dose-dependent effects of parenteral supplementation of a 10% fish oil emulsion (Omegaven, Fresenius-Kabi, Bad Homburg, Germany) on diagnosis- and organ failure-related outcome. DESIGN: Prospective, open label, multiple-center trial. PATIENTS AND METHODS: A total of 661 patients from 82 German hospitals receiving total parenteral nutrition for > or =3 days were enrolled in this study. The sample included 255 patients after major abdominal surgery, 276 with peritonitis and abdominal sepsis, 16 with nonabdominal sepsis, 59 after multiple trauma, 18 with severe head injury, and 37 with other diagnoses. The primary study end point was survival; secondary end points were length of hospital stay and use of antibiotics with respect to the primary diagnosis and the extent of organ failure. Multiple quasi-linear and logistic regression models were used for calculating diagnosis-related fish oil doses associated with best outcome. RESULTS: The patients enrolled in this survey were (mean +/- sd) 62.8 +/- 16.5 yrs old, with a body mass index of 25.1 +/- 4.2 and Simplified Acute Physiology Score (SAPS) II score of 32.2 +/- 13.6. Length of hospital stay was 29.1 +/- 18.7 days (12.5 +/- 14.8 days in the intensive care unit). Total parenteral nutrition, including fish oil (mean, 0.11 g.kg(-1).day(-1)), was administered for 8.7 +/- 7.5 days and lowered hospital mortality as predicted by Simplified Acute Physiology Score II from 18.9% (95% confidence interval, 17.4-20.4%) to 12.0% (p < .001). The fish oil dose.kg.day did correlate with beneficial outcome (intensive care unit stay, hospital stay, mortality). Fish oil had the most favorable effects on survival, infection rates, and length of stay when administered in doses between 0.1 and 0.2 g.kg(-1).day(-1). Lower antibiotic demand by 26% was observed when doses of 0.15-0.2 g.kg(-1).day(-1) were infused as compared with doses of <0.05 g.kg(-1).day(-1). After peritonitis and abdominal sepsis, multiple quasi-linear regression models revealed a fish oil dose for minimizing intensive care unit stay of 0.23 g.kg(-1).day(-1) and an inverse linear relationship between dosage and intensive care unit stay in major abdominal surgery. CONCLUSION: Administration of omega-3 fatty acid may reduce mortality, antibiotic use, and length of hospital stay in different diseases. Effects and effect sizes related to fish oil doses are diagnosis dependent. In view of the lack of substantial study literature concerning diagnosis-related nutritional single-substrate intervention in the critically ill, the present data can be used in formulating hypotheses and may serve as reference doses for randomized, controlled studies, which may, for instance, confirm the value of omega-3 fatty acid in the adjunctive therapy of peritonitis and abdominal sepsis.

Critical Illness↗
PubMed1982

A ten-year experience with blunt trauma to the abdomen in children.

Twenty-two children with significant blunt abdominal trauma who were admitted to the Surgical Service of an active city-county hospital over the past ten years are presented with discussion of their injuries and treatment. The two mortalities (9%) are presented as case reports. On patient with severe multiple trauma had residual brain damage, and one other patient required a secondary procedure for complications subsequent to the original injury. The results represent an improvement in both complications and mortality when compared to previous reports from similar institutions.

Abdominal Injuries↗
PubMed1983

The use of bone scanning for the diagnosis and management of musculoskeletal trauma.

Bone scanning provides a unique way of monitoring early metabolic changes in bone and its adjacent soft tissues after trauma. An abnormal scan may often precede radiographic changes by days or weeks. This accounts for its usefulness in the early diagnosis of occult fractures and in fractures not clinically suspected or seen on initial x-ray films in the patient with multiple trauma. Dynamic imaging along with static imaging can be used to evaluate fracture healing and predict delayed union and nonunion. The combined technique is useful in assessing many of the complications arising after trauma and provides a reliable method of observing their treatment. It is also a useful noninvasive technique in the evaluation of pathologic fractures. Bone scanning is becoming an increasingly useful adjunctive procedure in the diagnosis and management of musculoskeletal trauma. However, as with any diagnostic technique, it provides only part of the overall picture and must always be carefully correlated with the history, physical findings, radiographic changes, and other laboratory data.

Bone and Bones↗
PubMed1987

Thromboxane and prostacyclin release in adult respiratory distress syndrome.

Plasma thromboxane B2 (TXB2) and 6-keto-prostaglandin F1 alpha (6-keto-PGF1 alpha) were measured in 84 patients at risk of developing adult respiratory distress syndrome (ARDS) (44 patients following multiple trauma, 29 patients following abdominal surgery and 11 patients with acute pancreatitis). Forty-nine of these 84 patients developed an ARDS. High (greater than 140 pg/ml plasma) TXB2 values were found in 52/84 patients. The median values of TXB2 were: 360 pg/ml in multiple injured, 250 pg/ml in abdominal surgery and 410 pg/ml in acute pancreatitis patients. The median TXB2 value was 575 pg/ml in patients developing ARDS and 140 pg/ml in those without this complication: this difference was statistically significant (p less than 0.05). The median values of 6-keto-PGF1 alpha were 55 pg/ml in multiple injured, 25 pg/ml in abdominal surgery and 120 pg/ml in acute pancreatitis patients. The median 6-keto-PGF1 alpha value was 122 pg/ml in ARDS patients and 25 pg/ml in non-ARDS patients (statistically significant: p less than 0.05). High TXB2 and 6-keto-PGF1 alpha values were particularly related to sepsis in abdominal surgery patients (p less than 0.05) and in multiple injured patients (p less than 0.01). No relation could be established between abnormal TXB2 or 6-keto-PGF1 alpha values and death. High TXB2 values often persisted for several days and were observed particularly at the time ARDS diagnostic criteria were fulfilled.(ABSTRACT TRUNCATED AT 250 WORDS)

6-Ketoprostaglandin F1 alpha↗
PubMed1979

[Posttraumatic and postoperative catabolism: protein metabolism].

Patients with catabolism during the postoperative phase, after trauma or in a toxifectious state present with serious disorders of their protein metabolism. These alterations are caused mostly by endocrine factors and are characterized by destruction of proteins, gluconeogenesis, ketogenesis and increased renal nitrogen excretion. The nitrogen losses are most important in patients with multiple trauma, in sepsis and in burned patients. In view of the intricate etiology, the treatment of these disorders is difficult.

Burns↗
PubMedDate not supplied

Trends in civilian vascular trauma during 30 years. A Swedish perspective.

Vascular injuries operated on during a 30-year period (1955-1984) were analyzed. There has been significant increase of such injuries, particularly the iatrogenic types. The total incidence per 100,000 population and year rose from 11.0 to 26.6. Various angiographic and catheterization techniques were responsible for the iatrogenic increase. The noniatrogenic vascular injuries not infrequently were part of multiple trauma, with fractures and a variety of penetrating wounds. Numerous operative techniques were used, increasingly with reconstructive surgery. The mortality rate did not change in the study period, but the rate of amputations and of various long-term sequelae diminished.

Adolescent↗
PubMed2005

[Selective digestive decontamination: the light as changed from red to green].

OBJECTIVES: To study the efficacy of selective digestive decontamination (SDD) for the prevention of nosocomial infections, particularly pneumonia, as well as its impact on the emergence of multiresistant bacteria. DATA SOURCES: Data collected from the Pubmed: original articles, review articles and editorial published on SDD. The keywords were: selective digestive decontamination, pneumonia, intensive care unit, infection. DATA SELECTION: Ten randomized clinical trials performed since 1995 in mechanically ventilated adult patients hospitalized in intensive care unit. RESULTS: The rationale for the use of SDD consists on the parenteral administration of a short course of antibiotic associated with the topical use of non-absorbable antibiotics directed against Gram negative bacteria. Five randomized studies described a reduction in the incidence of pneumonia associated with SDD. Only one study has showed a decrease in mortality rate. The other five studies, which present some methodological limitations, concluded the lack of efficacy of SDD. Regarding the emergence of multiresistant bacteria, the literature underlines the role of environment. The use of SDD seems to trigger the resistance in endemic areas, while these are softened in the units with a good control of their ecology. CONCLUSION: The data from the literature provide arguments to use SDD in targeted patient populations like multiple traumas in intensive care units, which have a low rate of multiresistant bacteria.

Anti-Bacterial Agents↗
PubMed2006

Tracheostomy in ventilator dependent trauma patients: a prospective, randomized intention-to-treat study.

BACKGROUND: Tracheostomy is a commonly performed procedure in ventilator dependent patients. Many critical care practitioners believe that performing a tracheostomy early in the postinjury period decreases the length of ventilator dependence as well as having other benefits such as better patient tolerance and lower respiratory dead space. We conducted a randomized, prospective, single institution study comparing the length ventilator dependence in critically ill multiple trauma patients who were randomized to two different strategies for performance of a tracheostomy. We hypothesized that earlier tracheostomy would reduce the number of days of mechanical ventilation, frequency of pneumonia and length of intensive care unit (ICU) stay. METHODS: Patients were eligible if they were older than 15 years and either a Glasgow Coma Score (GCS) >4 with a negative brain computed tomography (CT) (no anatomic head injury), or a GCS >9 with a positive head CT (known anatomic head injury). Patients who required tracheostomy for facial/neck injuries were excluded. Patients were randomized to an intention to treat strategy of tracheostomy placement before day 8 or after day 28. RESULTS: The study was halted after the first interim analysis. There were 60 enrolled patients, who had comparable demographics between groups. There was no significant difference between groups in any outcome variable including length of ventilator support, pneumonia rate, or death. CONCLUSION: A strategy of tracheostomy before day 8 postinjury in this group of trauma patients did not reduce the number of days of mechanical ventilation, frequency of pneumonia or ICU length of stay as compared with the group with a tracheostomy strategy involving the procedure at 28 days postinjury or more.

Adult↗
PubMed1978

Opsonic alpha2 surface binding glycoprotein therapy during sepsis.

A pronounced depletion of an opsonic protein for hepatic reticuloendothelial (RE) phagocytosis has been demonstrated in critically ill trauma patients. This opsonic alpha(2) surface binding (SB) glycoprotein has immunologic identity and a similar amino acid composition to cold insoluble globulin (CIg). Since CIg can be concentrated in cryoprecipitate, it was utilized as a readily available source of opsonic alpha(2)SB glycoprotein for replacement therapy after injury with documented hypoopsonemia. Six septic patients (2 multiple trauma, 2 thermal burn, and 2 intra-abdominal abscess) were studied to test whether cryoprecipitate infusion would restore this humoral component. Pre- and posttherapy opsonin levels were determined by bioassay and electroimmunoassay. In all patients, severe opsonin depletion was reversed following cryoprecipitate infusion. All patients had a rapid improvement in febrile state, normalization of leukocyte levels, and improvement in pulmonary function as evidenced by decreasing requirements for end expiratory pressure at lowered levels of inspired oxygen. One patient was studied more extensively and demonstrated an increase in cardiac output, limb blood flow, total body and limb oxygen delivery, total body and limb oxygen consumption and a progressive decrease in pulmonary shunt fraction. Thus, opsonic alpha(2)SB glycoprotein deficiency can be reversed by cryoprecipitate infusion in critically ill septic injured patients. Replacement of this humoral factor may be an important therapeutic modality in prevention of multiple organ failure, but it should be administered only after documentation of hypoopsonemia in traumatized patients.

Adult↗
PubMed1987

Prostaglandin E2 (PGE2)-dependent suppression of interleukin alpha (IL-2) production in patients with major trauma.

The depression of interleukin-2 synthesis represents a major dysfunction within the cascade of immunologic defects induced by mechanical and thermal trauma. This study was undertaken to elucidate the negative control mechanisms that were responsible for the deficiency of IL-2 production in polytraumatized patients. Peripheral blood mononuclear cells (PBMC's) from 29 patients (average age, 35.8 years; average ISS, 35) were separated on post-trauma days 1, 3, 5, 7, 10, 14, and 21 and cultured as untreated cells (C), cells treated with indomethacin (C + INDO), and cells depleted of adherent cells (C-AC). Cell cultures were assayed for proliferative responses to PHA, IL-2 synthesis, PGE2 production, gamma-interferon levels, and phenotyping studies. On all days post-trauma there was found a marked reduction of IL-2 production compared to controls with a highly significant nadir from day 5 to day 10 with an almost 80% inhibition of IL-2 (p less than 0.005). C + INDO cells showed increases of IL-2 synthesis over untreated cells ranging from 48% (Day 1) to 220% (Day 7). Removal of adherent cells (C-AC) did not reverse the suppression of IL-2 production. gamma-interferon levels were depressed in parallel with IL-2 levels but did not increase with C + INDO. The phenotyping of the PBMC's showed highly significant suppression of OKT3+, OKT4+, and IL-2R+ lymphocytes as well as a highly significant elevation of the monocyte (p less than 0.005) count. There was a highly significant increase of PGE2 synthesis from monocytes, due to the monocytosis and to a higher capacity of synthesis of the individual cells following trauma. PGE2 levels peaked on Day 5 and 7 post-trauma at 400% of control (p less than 0.005). These data suggest that the suppression of IL-2 synthesis post trauma is caused mainly by two factors: the excessive PGE2 output of inhibitory monocytes and inadequate function in immature and/or blocked lymphocytes. The partial restoration of IL-2 synthesis by indomethacin suggests that blockade of the cyclo-oxygenase pathway as an immunomodulating therapy may reverse some of the immunologic abnormalities in multiple trauma patients.

Adult↗
PubMed1989

Aminoglycoside pharmacokinetics: dosage requirements and nephrotoxicity in trauma patients.

We evaluated prospectively gentamicin and tobramycin pharmacokinetics in 37 patients with multiple system trauma and seven patients with isolated closed head trauma. The mean apparent volume of distribution (Vd) was 0.38 +/- 0.10 and 0.27 +/- 0.04 L/kg actual body weight (ABW) in patients with multiple trauma and closed head trauma, respectively. The difference in Vd between the two groups of patients was significant (p less than .002). Vd was not predictable on the basis of age, sex, weight, trauma score, or hospital day that therapy was initiated. Mean aminoglycoside clearance (Cl) was 123 +/- 46 ml/min. Neither serum creatinine nor estimated creatinine Cl predicted aminoglycoside Cl with sufficient accuracy to be clinically useful (r = .33 and .67, respectively). The mean daily dose was 6.1 +/- 1.6 mg/kg. The mean peak serum level was 5.8 +/- 1.3 micrograms/ml. Only one patient developed clinically significant renal dysfunction. Our data indicate that a loading dose of gentamicin or tobramycin of 3 mg/kg ABW in patients with multiple trauma and 2.5 mg/kg ABW in patients with isolated head trauma will obtain a mean initial peak serum level of 6.6 micrograms/ml. Although adequate maintenance dosing requires individualization based on pharmacokinetic analyses, large aminoglycoside doses can be used safely in patients with blunt trauma if appropriate monitoring is employed.

Acute Kidney Injury↗
PubMed1992

Mechanical circulatory support decreases neurologic complications in the treatment of traumatic injuries of the thoracic aorta.

The surgical treatment of traumatic injuries of the thoracic aorta is controversial because a number of technical approaches have been recommended. Despite the technique employed, spinal cord ischemia continues to be a persistent problem. Nineteen patients with confirmed aortic injuries secondary to blunt trauma were treated at the Yale-New Haven (Conn) Medical Center from 1984 to 1991. The patients were analyzed in two groups: group 1 (n = 10) underwent repair using mechanical circulatory support and group 2 (n = 9) underwent repair without mechanical circulatory support. Sixteen patients survived. Three patients died of complications of multiple trauma. The groups were comparable with respect to aortic cross-clamp time, preoperative systolic blood pressure, and Injury Severity Score. Three patients in the nonmechanical support group developed neurologic complications (P less than .05). No patient in the mechanical support group had a neurologic complication. We believe that mechanical circulatory support reduces the incidence of neurologic complications following traumatic injuries of the thoracic aorta and should be used whenever clinically feasible.

Academic Medical Centers↗
PubMedDate not supplied

[The diagnostic-therapeutic picture in liver injuries: a review of the literature and clinical cases].

Approximately 80% of liver trauma cases have a good prognosis and do not create decision-making problems for the surgeon, while in the remaining 20% the correct choice still represents a problem. Recently there has been a trend toward more conservative surgical management with emphasis on hemostasis and debridement, as well as a move toward a non-surgical alternative (surgical abstention) where feasible, relying in such cases on first-line CT scans for trauma evaluation. We report 51 cases of liver trauma observed in the period 1985-1993 graded according to the AAST Liver Injury Scale as follows: 12 grade I lesions (23.5%), 7 grade II lesions (13.7%), 19 grade III lesions (37.3%), 7 grade IV lesions (13.7%), and 6 grade V lesions (11.8%). In managing these cases we relied on two first-line diagnostic procedures: diagnostic peritoneal lavage (DPL) and CT scans. DPL, performed on 10 blunt trauma victims with unstable vital signs, was positive in 7 who thus underwent immediate surgery, and negative in 3 who subsequently underwent CT scan. Another 14 blunt trauma victims with stable vital signs underwent first-line CT scanning. In the event of a CT grade III or IV lesion patients underwent surgery, while patients with a CT grade I or II lesion were followed expectantly. Deaths (14) occurred only among patients with grade III or IV lesions (including 9 multiple trauma victims) who underwent surgery.

Adolescent↗