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      Clinical review: The critical care management of the burn patient

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      1 , 2 , 3 , , 4
      Critical Care
      BioMed Central

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          Abstract

          Between 4 and 22% of burn patients presenting to the emergency department are admitted to critical care. Burn injury is characterised by a hypermetabolic response with physiologic, catabolic and immune effects. Burn care has seen renewed interest in colloid resuscitation, a change in transfusion practice and the development of anti-catabolic therapies. A literature search was conducted with priority given to review articles, meta-analyses and well-designed large trials; paediatric studies were included where adult studies were lacking with the aim to review the advances in adult intensive care burn management and place them in the general context of day-to-day practical burn management.

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          Severe burn injury in europe: a systematic review of the incidence, etiology, morbidity, and mortality

          Introduction Burn injury is a serious pathology, potentially leading to severe morbidity and significant mortality, but it also has a considerable health-economic impact. The aim of this study was to describe the European hospitalized population with severe burn injury, including the incidence, etiology, risk factors, mortality, and causes of death. Methods The systematic literature search (1985 to 2009) involved PubMed, the Web of Science, and the search engine Google. The reference lists and the Science Citation Index were used for hand searching (snowballing). Only studies dealing with epidemiologic issues (for example, incidence and outcome) as their major topic, on hospitalized populations with severe burn injury (in secondary and tertiary care) in Europe were included. Language restrictions were set on English, French, and Dutch. Results The search led to 76 eligible studies, including more than 186,500 patients in total. The annual incidence of severe burns was 0.2 to 2.9/10,000 inhabitants with a decreasing trend in time. Almost 50% of patients were younger than 16 years, and ~60% were male patients. Flames, scalds, and contact burns were the most prevalent causes in the total population, but in children, scalds clearly dominated. Mortality was usually between 1.4% and 18% and is decreasing in time. Major risk factors for death were older age and a higher total percentage of burned surface area, as well as chronic diseases. (Multi) organ failure and sepsis were the most frequently reported causes of death. The main causes of early death (<48 hours) were burn shock and inhalation injury. Conclusions Despite the lack of a large-scale European registration of burn injury, more epidemiologic information is available about the hospitalized population with severe burn injury than is generally presumed. National and international registration systems nevertheless remain necessary to allow better targeting of prevention campaigns and further improvement of cost-effectiveness in total burn care.
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            Upper digestive intolerance during enteral nutrition in critically ill patients: frequency, risk factors, and complications.

            To study the frequency of and risk factors for increased gastric aspirate volume (GAV) and upper digestive intolerance and their complications during enteral nutrition (EN) in critically ill patients. Prospective observational study. Intensive care unit (ICU) in a general hospital. A total of 153 patients with nasogastric tube feeding. None. Upper digestive intolerance was considered when GAV was between 150 and 500 mL at two consecutive measurements, when it was >500 mL, or when vomiting occurred. Forty-nine patients (32%; 95% confidence interval [CI], 25%-42%) presented increased GAV after a median EN duration of 2 days (range, 1-16 days), and 70 patients (46%; 95% CI, 38%-54%) presented upper digestive intolerance. Independent risk factors for high GAV were GAV >20 mL before the start of EN (odds ratio [OR], 2.16; 95% CI, 1.11-4.18; p =.02), GAV >100 mL during EN (OR, 1.49; 95% CI, 1.01-2.19; p <.05), sedation during EN (OR, 1.78; 95% CI, 1.17-2.71; p =.007), use of catecholamines during EN (OR, 1.81; 95% CI, 1.21-2.70; p =.004). Complications related to high GAV were a lower feed intake (15 +/- 7 vs. 19 +/- 8 kcal/kg/day; p =.0004) and vomiting (53% vs. 23%; p =.0002). Complications related to upper digestive intolerance were the development of pneumonia (43% vs. 24%; p =.01), a longer ICU stay (23 +/- 21 vs. 15 +/- 16 days; p =.007), and a higher ICU mortality (41% vs. 25%; p =.03), even after adjustment for Simplified Acute Physiology Score II (OR, 1.48; 95% CI, 1.04-2.10; p =.028). In ICU patients receiving nasogastric tube feeding, high gastric aspirate volume was frequent, occurred early, and was more frequent in patients with sedation or catecholamines. High gastric aspirate volume was an early marker of upper digestive intolerance, which was associated with a higher incidence of nosocomial pneumonia, a longer ICU stay, and a higher ICU mortality.
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              Reduction of resuscitation fluid volumes in severely burned patients using ascorbic acid administration: a randomized, prospective study.

              High-dose ascorbic acid (vitamin C) therapy (66 mg/kg per hour) attenuates postburn lipid peroxidation, resuscitation fluid volume requirements, and edema generation in severely burned patients. A prospective, randomized study at a university trauma and critical care center in Japan. Thirty-seven patients with burns over more than 30% of their total body surface area (TBSA) hospitalized within 2 hours after injury were randomly divided into ascorbic acid and control groups. Fluid resuscitation was performed using Ringer lactate solution to maintain stable hemodynamic measurements and adequate urine output (0.5-1.0 ml/kg per hour). In the ascorbic acid group (n = 19; mean burn size, 63% +/- 26% TBSA; mean burn index, 57 +/- 26; inhalation injury, 15/ 19), ascorbic acid was infused during the initial 24-hour study period. In the control group (n = 18; mean burn size, 53% +/- 17% TBSA; mean burn index, 47 +/- 13; inhalation injury, 12/18), no ascorbic acid was infused. We compared hemodynamic and respiratory measurements, lipid peroxidation, and fluid balance for 96 hours after injury. Two-way analysis of variance and Tukey test were used to analyze the data. Heart rate, mean arterial pressure, central venous pressure, arterial pH, base deficit, and urine outputs were equivalent in both groups. The 24-hour total fluid infusion volumes in the control and ascorbic acid groups were 5.5 +/- 3.1 and 3.0 +/- 1.7 mL/kg per percentage of burn area, respectively (P<.01). In the first 24 hours, the ascorbic acid group gained 9.2% +/- 8.2% of pretreatment weight; controls, 17.8% +/- 6.9%. Burned tissue water content was 6.1 +/- 1.8 vs 2.6 +/- 1.7 mL/g of dry weight in the control and ascorbic acid groups, respectively (P<.01). Fluid retention in the second 24 hours was also significantly reduced in the ascorbic acid group. In the control group, the ratio of PaO2 to fraction of inspired oxygen at 18, 24, 36, 48, and 72 hours after injury was less than that of the ascorbic acid group (P<.01). The length of mechanical ventilation in the control and ascorbic acid groups was 21.3 +/- 15.6 and 12.1 +/- 8.8 days, respectively (P<.05). Serum malondialdehyde levels were lower in the ascorbic acid group at 18, 24, and 36 hours after injury (P<.05). Adjuvant administration of high-dose ascorbic acid during the first 24 hours after thermal injury significantly reduces resuscitation fluid volume requirements, body weight gain, and wound edema. A reduction in the severity of respiratory dysfunction was also apparent in these patients.
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                Author and article information

                Contributors
                Journal
                Crit Care
                Crit Care
                Critical Care
                BioMed Central
                1364-8535
                1466-609X
                2013
                7 October 2013
                7 October 2014
                : 17
                : 5
                : 241
                Affiliations
                [1 ]Department of Anaesthesia, University Hospital Aintree, Liverpool L9 7AL, UK
                [2 ]Department of Neuroanaesthesia and Critical Care, Horsley ICU, The Walton Centre for Neurology and Neurosurgery, Liverpool L9 7LJ, UK
                [3 ]Intensive Care Unit, Whiston Hospital, Warrington Road, Prescot L35 5DR, UK
                [4 ]Mersey Regional Burns Unit, Whiston Hospital, Warrington Road, Prescot L35 5DR, UK
                Article
                cc12706
                10.1186/cc12706
                4057496
                24093225
                daef6a44-972a-459a-a850-6557f956f2f1
                Copyright © 2013 BioMed Central Ltd
                History
                Categories
                Review

                Emergency medicine & Trauma
                Emergency medicine & Trauma

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