We collated the actionable recommendations and the clinical advice for each of the clinical questions in separate chapters structured according to a specific format. Each question resulted in one or more specific boxed statements. Within each recommendation the strength was indicated as strong or conditional and the quality of the supporting evidence as high, moderate, low or very low (Table 2).
All statements are followed by advice for clinical practice, where relevant, and the rationale. The rationale contains a brief section on the relevant background and justification of the topic, followed by a short narrative review of the evidence.
External peer review was provided through the Board of Regents of the American College of Critical Care Medicine, the councils of the SCCM and ESICM, and the editorial boards of Critical Care Medicine and Intensive Care Medicine. Two international experts in endocrinology (George P. Chrousos, MD and Stefan R. Bornstein, MD) also reviewed the final draft of the guideline and provided comments.
RECOMMENDATIONS FOR DIAGNOSIS OF CIRCI
1. Is total cortisol response to synthetic adrenocorticotropic hormone (ACTH; cosyntropin) superior to random plasma or serum total cortisol for the diagnosis of CIRCI?
Recommendation: The task force makes no recommendation regarding whether to use delta cortisol (change in baseline cortisol at 60 min of < 9 μg/dL) after cosyntropin (250 μg) administration or a random plasma cortisol of < 10 μg/dL for the diagnosis of CIRCI.
Rationale: The 2008 guidelines suggested that the diagnosis of CIRCI is best made by a delta total serum cortisol of < 9 μg/dL after IV cosyntropin (250 μg) administration or a random total cortisol of < 10 μg/dL (1). To date, however, clinicians have not adopted these diagnostic criteria in their routine practice. Moreover, the latest Surviving Sepsis Campaign guidelines suggest not using the ACTH stimulation test to select patients with septic shock that may be treated with hydrocortisone (8). Nevertheless, a recent guideline from the Endocrine Society confirmed that the high-dose (250-μg) ACTH stimulation test is superior to other existing diagnostic tests to establish the diagnosis of primary adrenal insufficiency, with peak cortisol levels below 18 μg/dL (assay dependent) at 30 or 60 min indicating adrenal insufficiency (9).
We found one single-center randomized trial that compared low-dose ACTH (1 μg) stimulation test with total random cortisol for diagnosis of adrenal insufficiency in 59 adults with septic shock (10). Compared with total random cortisol, the low-dose ACTH test was better able to predict a longer duration of vasopressor requirement and hemodynamic response to corticosteroids. Similarly, prospective cohort studies in adults with or without sepsis (11) and in patients with multiple trauma (12) found that patients with CIRCI, i.e., total cortisol levels < 10 μg/dL or delta cortisol < 9 μg/dL, had poorer outcomes than patients without CIRCI. Likewise, a large multicenter prospective cohort study found that critically ill children with a delta cortisol < 9 μg/dL after the low-dose ACTH stimulation test required higher-dose and prolonged treatment with catecholamines, a higher amount of fluid, and had a higher mortality rate (13). See Supplemental Digital Content 3 (http://links.lww.com/CCM/C916) for evidence profile.
Owing to the potential for risk of bias in study design, with only one single-center unblinded randomized trial and a small number of prospective cohort studies, and due to imprecision related to low numbers of patients included, we downgraded the quality of evidence to low. After two rounds of voting the task force members could not reach a consensus (> 80% agreement) on whether the ACTH stimulation test is superior to random cortisol for the routine diagnosis of CIRCI. Due to the broad spectrum of abnormalities that may cause CIRCI, the task force thought it is unlikely that a single test can reliably diagnose CIRCI independent of its mechanisms, i.e., altered cortisol synthesis or metabolism, or tissue resistance to cortisol.
2. Is plasma or serum free cortisol level superior to plasma total cortisol level for the diagnosis of CIRCI?
Recommendation: We suggest against using plasma free cortisol level rather than plasma total cortisol for the diagnosis of CIRCI (conditional recommendation, very low quality of evidence).
Rationale: Free cortisol is the bioactive form of cortisol. Critically ill patients often present with low serum concentrations of cortisol-binding globulin (CBG) and hypoalbuminemia. In patients with low serum concentrations of cortisol binding proteins, serum total cortisol levels may not predict serum free cortisol levels, with a correlation between serum levels of free and total cortisol of only 50% to 60% (14).
We found no randomized trial that compared serum total versus free cortisol levels to diagnose CIRCI. A prospective study of 112 critically ill adults with treatment-insensitive hypotension, published after the 2008 recommendations, found a good correlation between serum concentrations of free and total cortisol before and after 250 μg ACTH stimulation testing (15). These findings suggested that using total cortisol levels after ACTH testing is sufficient in critically ill adults. Another prospective cohort study of 69 critically ill patients to assess the time course of serum cortisol levels found that levels of both free and total cortisol predicted clinical outcomes (16). Another prospective cohort study of 29 adults with septic shock found remarkable differences between the serum concentrations of free and total cortisol levels both over time and in response to 1 μg ACTH (17). See Supplemental Digital Content 3 (http://links.lww.com/CCM/C916) for evidence profile.
Measurement of serum free cortisol levels involves cumbersome techniques that are unlikely to be available in all hospital laboratories and unlikely to provide a rapid turnaround time. There were a small number of low-quality observational studies with inconsistent findings. Thus, the task force suggested against measuring plasma free cortisol level over plasma total cortisol level in patients with suspected CIRCI.
3. Is salivary free cortisol level superior to plasma total cortisol level for the diagnosis of CIRCI?
Recommendation: We suggest against using salivary rather than serum cortisol for diagnosing CIRCI (conditional recommendation, very low quality of evidence).
Rationale: In saliva, cortisol is found unbound. Thus, measuring salivary cortisol levels may inform on free cortisol levels and adrenal function. However, salivary cortisol levels may be impacted by a number of confounding factors such as gender, age, time and site of sampling, and saliva volume (18). A few studies evaluated the use of salivary cortisol as a measure for adrenal insufficiency. In one study, free cortisol level was more strongly correlated with salivary than with serum total cortisol in 88 cirrhotic patients (Spearman coefficient 0.91 and 0.76, respectively; p < 0.001) (19). In contrast, in a study of 57 patients with septic shock, there was no significant difference between free serum cortisol and salivary cortisol levels (p = 0.28) (20). In addition, the correlation between salivary cortisol and total serum cortisol levels was very good (80%). Unbound plasma cortisol can be calculated using total serum cortisol and CBG measurements (21, 22). See Supplemental Digital Content 3 (http://links.lww.com/CCM/C916) for evidence profile.
The evidence demonstrating any benefit of using salivary cortisol over serum cortisol is extremely limited. Although salivary cortisol may be more closely correlated with free cortisol than total cortisol, no study has demonstrated that using salivary cortisol to diagnose CIRCI in critically ill patients leads to improved patient outcomes. Furthermore, the practicality and feasibility of using salivary cortisol is questionable given that it is tested by enzyme immunoassay, which may not be routinely available at most centers. Additionally, there are implementation concerns: in the Estrada-Y-Martin study (20), for example, 19 of the 57 patients were excluded because three initial samples did not provide any saliva, and 16 were eliminated owing to insufficient saliva or blood contamination. The task force therefore felt that using salivary cortisol would not be cost effective, practical, or feasible.
4. Is the 1-μg ACTH stimulation test superior to the 250-μg ACTH test for the diagnosis of CIRCI?
Recommendation: We suggest that the high-dose (250-μg) rather than the low-dose (1-μg) ACTH stimulation test be used for the diagnosis of CIRCI (conditional recommendation, low quality of evidence).
Rationale: The high-dose (250-μg) ACTH stimulation test remains the most popular diagnostic test for adrenal insufficiency. However, this supraphysiologic dose of ACTH may result in significant stimulation of the adrenocortical cells in patients with proven adrenal insufficiency. Therefore, to increase the sensitivity of this diagnostic test, low-dose (1-μg) ACTH was suggested. The high-dose ACTH test is easy to perform and safe. The low-dose ACTH test requires some preparation at the bedside as the commercial ampoules contain 250 μg of ACTH.
A recent meta-analysis of 30 studies, involving 1209 adults and 228 children, found that for secondary adrenal insufficiency, the high- and low-dose ACTH tests had similar diagnostic accuracy (23). The likelihood ratio (LR) of a positive test was 9.1 and 5.9 for the high- and low-dose ACTH test, respectively, for adults and 43.5 and 7.7, respectively, for children. However, both tests had low sensitivity as suggested by the suboptimal LR of a negative test (adults: 0.39 and 0.19 for the high- and low-dose ACTH test, respectively; children: 0.65 and 0.34, respectively). A prospective cohort study of 74 adults with septic shock found that the delta cortisol using the low- and high-dose ACTH tests was equally accurate in predicting vasopressor dependency and mortality (24). Likewise, in a prospective multicenter cohort study of critically ill children, the low- and high-dose ACTH tests showed similar accuracy in the prediction of clinical outcomes (13). See Supplemental Digital Content 3 (http://links.lww.com/CCM/C916) for evidence profile.
Owing to easier practical modalities and the comparable accuracy of the low- and high-dose ACTH tests, the task force suggested using the high-dose rather than the low-dose ACTH test for the diagnosis of CIRCI.
5. Is hemodynamic response to hydrocortisone (50–300 mg) superior to the 250-μg ACTH stimulation test for the diagnosis of CIRCI?
Recommendation: We suggest the use of the 250-μg ACTH stimulation test rather than the hemodynamic response to hydrocortisone (50–300 mg) for the diagnosis of CIRCI (conditional recommendation, very low quality of evidence).
Rationale: Early reports on low-dose corticosteroids in human septic shock hypothesized that hemodynamic improvement unmasks adrenocortical insufficiency (25, 26). Hydrocortisone was found to improve the vasopressor response to norepinephrine in septic patients, this effect being more marked in patients with CIRCI (27). Arterial hypotension may serve as a useful marker of inadequate corticosteroid activity, although not all patients with septic shock may have CIRCI (28).
No studies are presently available that directly address this specific question. CIRCI diagnosed with the 250-μg ACTH stimulation was associated with faster shock resolution in two studies (29, 30). In contrast, the CORTICUS trial found a similar hemodynamic response to corticosteroids in patients with or without CIRCI (31). The recent Hydrocortisone for Prevention of Septic Shock (HYPRESS) trial also did not find a difference in the development of septic shock in the presence or absence of CIRCI (32). However, in the HYPRESS trial only a limited number of patients were screened for CIRCI, affecting the reliability of these data. See Supplemental Digital Content 3 (http://links.lww.com/CCM/C916) for evidence profile.
Earlier shock resolution has been shown to lead to lower mortality (33). However, no studies compared the prognostic value of hemodynamic response to hydrocortisone versus the 250-μg ACTH test for the diagnosis of CIRCI. Meta-analyses examined only differences in mortality rates with corticosteroid treatment between those with and without documented CIRCI (34). Thus, the task force could only recommend the use of the 250-μg ACTH stimulation test to diagnose CIRCI.
6. Is corticotropin level superior to the 250-μg ACTH stimulation test for the diagnosis of CIRCI?
Recommendation: We suggest against using corticotropin levels for the routine diagnosis of CIRCI (conditional recommendation, low quality of evidence).
Rationale: The plasma corticotropin level is determined by corticotropin release from the anterior pituitary gland into the systemic circulation. Normally, plasma concentrations of corticotropin and cortisol change in opposite directions. In primary adrenal insufficiency, plasma cortisol level is low and plasma corticotropin level is high. In hypopituitarism, plasma corticol level is low and plasma corticotropin level is low or normal. During critical illness, plasma corticotropin levels have been variably found to be low, normal, or high and likely follow a dynamic pattern with transiently elevated levels and subsequent decline over a period of weeks after the initial insult (1). We did not find any study that compared the diagnostic accuracy of corticotropin level with that of the ACTH stimulation test.
Owing to the complexity of measuring the plasma level of corticotropin, the task force deemed that it is not feasible in most institutions to obtain a corticotropin level with a sufficiently short turnaround time to have an impact on the acute management of the critically ill.
RECOMMENDATIONS FOR CORTICOSTEROID USE IN CRITAL CARE CONDITIONS
A. Should corticosteroids be administered among hospitalized adult patients with sepsis without shock?
Recommendation: We suggest against corticosteroid administration in adult patients with sepsis without shock (conditional recommendation, moderate quality of evidence).
Rationale: Sepsis and septic shock are major healthcare problems: they affect millions of people worldwide annually and are associated with mortality rates of 25–30% and high direct and indirect costs (35–39). Pro-inflammatory cytokines have been demonstrated to either suppress cortisol response to ACTH or compete with intracellular glucocorticoid function, which can result in CIRCI in septic patients. Sepsis-related CIRCI may in turn precipitate organ failure and result in lack of response to vasopressor therapy in these patients (40, 41). Thus, the potential benefit of corticosteroids for the treatment of sepsis has been tested in dozens of observational studies and trials over a period of several decades.
Analysis of 27 RCTs (n = 3176) of patients with sepsis with and without shock revealed a 28-day mortality rate of 29.3% in patients receiving corticosteroids compared with 31.8% in those who received placebo (relative risk [RR] 0.87, 95% CI 0.76–1.0) (42). The quality of evidence was considered low owing to inconsistency in the results and imprecision. See Supplemental Digital Content 4 (http://links.lww.com/CCM/C917) for evidence profile.
A separate analysis of six RCTs (n = 826) of patients with sepsis without shock revealed a 28-day mortality rate of 33.8% in patients receiving corticosteroids compared with 30.6% in those who received placebo (RR 1.11, 95% CI 0.91–1.34) (42). Hyperglycemia was the most common adverse event, and corticosteroids did not increase the risk of secondary infections (RR 1.02, 95% CI 0.87–1.20). The quality of evidence was considered moderate due to imprecision, given the wide confidence intervals. See Supplemental Digital Content 4 (http://links.lww.com/CCM/C917) for evidence profile.
Most recently, the HYPRESS multicenter trial assigned patients with sepsis (excluding those with shock) to receive either a continuous infusion of 200 mg of hydrocortisone for 5 days, followed by dose tapering until day 11 (n = 190), or placebo (n = 190) (33). The primary outcome was development of septic shock within 14 days. Patients who received hydrocortisone showed no difference in rates of progression to septic shock within 14 days from those given placebo (difference −1.8%; 95% CI −10.7% to 7.2%; p = 0.70). In addition, there were no significant differences between the hydrocortisone and placebo groups for the use of mechanical ventilation (53.2% vs 59.9%), mortality at 28 days (8.8% vs 8.2%) or up to 180 days (26.8% vs 22.2%), ICU length of stay (median [interquartile range] 8 [5−15] vs 9 [6−17] days), or hospital length of stay (median [interquartile range] 26 [16−46] vs 25 [16−40] days). In the hydrocortisone versus placebo groups, 21.5% vs 16.9% had secondary infections, 8.6% vs 8.5% had ventilation weaning failure, 30.7% vs 23.8% had muscle weakness, and 90.9% vs 81.5% had hyperglycemia. Based on these results, the task force members agreed that corticosteroids may not be beneficial in adult patients with sepsis without shock.
B. Should corticosteroids be administered among hospitalized adult patients with septic shock?
Recommendation: We suggest using corticosteroids in patients with septic shock that is not responsive to fluid and moderate- to high-dose vasopressor therapy (conditional recommendation, low quality of evidence).
C. What is the recommended dose and duration of treatment among hospitalized adult patients with septic shock treated with corticosteroids?
Recommendation: If using corticosteroids for septic shock, we suggest using long course and low dose (e.g., IV hydrocortisone < 400 mg/day for at ≥ 3 days at full dose) rather than high dose and short course in adult patients with septic shock (conditional recommendation, low quality of evidence).
Rationale: The latest Cochrane systematic review of the use of low-dose hydrocortisone for treating septic shock, including 33 RCTs with a total of 4,268 patients (42), showed that corticosteroids significantly reduced the risk of death at 28 days compared with placebo. Three of these RCTs included children and the other 30 trials included only adults. Survival benefits were dependent on the dose of corticosteroids, with lower doses (< 400 mg of hydrocortisone or equivalent per day) for a longer duration of treatment (3 or more days at the full dose) found to be better, and on the severity of the sepsis. Furthermore, corticosteroids did not cause harm except for an increased incidence of hyperglycemia and hypernatremia; there was no increased risk of superinfection or gastrointestinal bleeding. See Supplemental Digital Content 4 (http://links.lww.com/CCM/C917) for evidence profile.
A network meta-analysis of 22 trials suggested no clear evidence for the superiority of one type of corticosteroids over another in adult patients with septic shock (43). However, hydrocortisone boluses and infusions were more likely than methylprednisolone boluses and placebo to reverse shock.
Given the consistent effect of corticosteroids on shock reversal and the low risk for superinfection with low-dose corticosteroids, the task force suggests the use of low-dose IV hydrocortisone < 400 mg/day for at least 3 days at full dose, or longer in adult patients with septic shock that is not responsive to fluid and moderate to high-dose (> 0.1 μg/kg/min of norepinephrine or equivalent) vasopressor therapy. The task force panel was unable to comment on pediatric patients with septic shock as the meta-analyses we reviewed did not include enough patients in this age group. A small pilot RCT (Steroids in Fluid and/or Vasoactive Infusion Dependent Pediatric Shock, STRIPES) demonstrated the feasibility of a larger RCT to address the role of corticosteroids for the treatment of pediatric shock (44). Since the publication of the Cochrane meta-analysis in 2015, a few small studies of early corticosteroid therapy in patients with pediatric septic shock and adult patients with sepsis-associated ARDS have been published (45−47) but the results are consistent with our current recommendations.
The Activated Protein C and Corticosteroids for Human Septic Shock (APROCCHSS) trial enrolled 1,241 adult patients with refractory septic shock from 35 centers in France (48). This trial commenced in 2008 and initially included the recombinant form of human activated protein C (APC), drotrecogin alfa-activated. The study featured a 2 × 2 factorial design with patients assigned to placebo of hydrocortisone + placebo of fludrocortisones + placebo of APC; hydrocortisone + fludrocortisone + placebo of APC; placebo of hydrocortisone + placebo of fludrocortisone + APC; or hydrocortisone + fludrocortisone + APC. Hydrocortisone was administered as a 50-mg IV bolus every 6 h and fludrocortisone as a 50-μg tablet via a nasogastric tube once daily. In 2011, APC was withdrawn from the market after failing to demonstrate adequate efficacy in other clinical trials (49). Once APC was no longer available, the study continued without the APC arms; one arm then comprised placebo corticosteroids (n = 627) and the other arm comprised hydrocortisone and fludrocortisone combined (n = 614). Another large RCT (the ADRENAL study) conducted in Australia and New Zealand enrolled 3,800 patients either to hydrocortisone or to a placebo. Although enrolment is completed, results are not yet available (50). In this trial, no ACTH stimulation testing was performed. The final results of these two trials are still pending but once available may further define the role of corticosteroids in the setting of sepsis or septic shock. Our recommendations may have to be re-addressed once these results are available.
Acute Respiratory Distress Syndrome
Should corticosteroids be administered among hospitalized adult patients with acute respiratory distress syndrome?
Recommendation: We suggest use of corticosteroids in patients with early moderate to severe acute respiratory distress syndrome (PaO2/FiO2 of < 200 and within 14 days of onset) (conditional recommendation, moderate quality of evidence).
Rationale: Acute respiratory distress syndrome (ARDS) represents an important public health problem globally. Despite advances in supportive care, ARDS is associated with a high mortality rate (35%−45%) (51). ARDS is also associated with high costs of inpatient care and significant long-term morbidity and resource utilization (52). In ARDS, prolonged mechanical ventilation is associated with increased risk of disability and mortality at 1 year (53, 54).
Nine trials have investigated prolonged glucocorticoid treatment in ARDS (46). One of these trials was in patients with ARDS due to community-acquired pneumonia (59) and another was a subgroup analysis of the initial corticosteroid trial in septic shock (60). These trials consistently found that glucocorticoid treatment was associated with a significant reduction in markers of systemic inflammation (inflammatory cytokines and/or C-reactive protein levels), reduction in the duration of mechanical ventilation by approximately 7 days, and probable reduction in hospital mortality by approximately 7% and 11% in patients with mild and severe ARDS, respectively (moderate certainty) (61). All but two trials (55, 56) investigated treatment initiated in early ARDS. Compared with late (≥ 7 days) initiation, early (< 72 h) initiation of methylprednisolone treatment–when fibroproliferation (62) is still in the early stage of development (cellular with predominant type III procollagen)–shows response to a lower daily methylprednisolone dose (1 mg/kg/day vs 2 mg/kg/day) and is associated with faster disease resolution (e.g., shorter time to unassisted breathing, shorter time to ICU discharge) (61). See Supplemental Digital Content 4 (http://links.lww.com/CCM/C917) for evidence profile.
A recent individual patient data (IPD) analysis of the four largest trials (n = 322) investigating prolonged methylprednisolone treatment in early (57, 58) and late (on and after day 7 of onset) (55, 56) ARDS confirmed trial-level data demonstrating benefit with corticosteroids, with improved survival and decreased duration of mechanical ventilation (61).
With the exception of hyperglycemia (mostly within the 36 h following an initial bolus), prolonged glucocorticoid treatment was not associated with increased risk for neuromuscular weakness, gastrointestinal bleeding, or nosocomial infection (61). Hyperglycemia was not associated with increased morbidity. Two trials reported a significant reduction in the risk for developing shock (56, 59).
The task force members believed that the quality of the evidence for the effect of corticosteroids on mortality was moderate, given the serious risk of imprecision related to small numbers of events and confidence intervals that approach no effect. Some of the included trials allowed blinded crossover, two trials were unblinded, and four trials had less than 60 patients.
In summary, the task force suggested that methylprednisolone be considered in patients with early (up to day 7 of onset; PaO2/FiO2 of < 200) in a dose of 1 mg/kg/day and late (after day 6 of onset) persistent ARDS in a dose of 2 mg/kg/day followed by slow tapering over 13 days (Supplemental Digital Content 5, http://links.lww.com/CCM/C918). Methylprednisolone is suggested because of its greater penetration into lung tissue and longer residence time (63). Furthermore, methylprednisolone should be weaned slowly (6−14 days) and not stopped rapidly (2−4 days) or abruptly as deterioration may occur from the development of a reconstituted inflammatory response. Finally, glucocorticoid treatment blunts the febrile response; therefore, infection surveillance is recommended to ensure prompt identification and treatment of hospital-acquired infections.
Should corticosteroids be administered among hospitalized adult patients with major trauma?
Recommendation: We suggest against the use of corticosteroids in major trauma (conditional recommendation, low quality of evidence).
Rationale: Major trauma is the main cause of non-septic systemic inflammatory response syndrome (SIRS). Tissue necrosis, hemorrhage and ischemia–reperfusion injury are the main factors that trigger the inflammatory cascade. CIRCI may be common in severe trauma patients, and is associated with uncontrolled inflammation, vasopressor dependency and poor clinical outcomes (64).
We found 19 trials (n = 12,269) that investigated the effects of corticosteroids on short-term mortality in adults with multiple trauma. There were 1,691/6,286 (26.9%) deaths in the corticosteroid group versus 1,401/5,983 (23.4%) deaths in the placebo group (RR = 1.00, 95% CI 0.89–1.13). Stratified analysis of mortality based on corticosteroid dose (low vs high) found no significant dose effect (test for interaction p = 0.73). The RR of dying was 1.03 (95% CI 0.86–1.22) in the 10 trials that examined low-dose corticosteroid treatment and 0.98 (95% CI 0.81–1.18) in the nine trials of high-dose corticosteroids. Corticosteroid therapy did not increase the risk of gastroduodenal bleeding (n = 12 trials; RR = 1.22, 95% CI 0.90–1.65) or superinfection (n = 7 trials; RR=0.93, 95% CI 0.80–1.08). Two trials examined the effects of hydrocortisone (65) and hydrocortisone plus fludrocortisone (66) specifically in trauma-associated CIRCI, as defined by a change in baseline cortisol at 60 min of < 9 μg/dL after cosyntropin (250 μg) administration. In the first trial (n = 113 multiple trauma patients with CIRCI), hydrocortisone therapy prevented the development of hospital-acquired pneumonia by day 28 (hazard ratio [HR] 0.47, 95% CI 0.25–0.86) and increased by 6 days (95% CI 2–11) the number of mechanical ventilation-free days. In the second trial (n = 267 head trauma patients with CIRCI), the HR for hospital-acquired pneumonia with corticosteroids versus placebo was 0·80 (95% CI 0.56–1.14). In this trial, there was no interaction between response to corticosteroid therapy and CIRCI status. See Supplemental Digital Content 4 (http://links.lww.com/CCM/C917) for evidence profile.
The largest trials which primarily drive the signal for mortality outcome were at low risk of bias, and stratified analysis found no dose effect. Although the type of patients and the formulation, dose, and duration of corticosteroids varied fairly widely across trials, there was no evidence for significant inconsistency in the results. Although it appears that corticosteroids have no effect on mortality in trauma patients, the imprecision of pooled results does not allow exclusion of a potential for benefit or harm from corticosteroid therapy. The task force members judged the overall quality of evidence for this question as low. Given the potential for clinically important side effects with treatment, the task force made a conditional recommendation against corticosteroids for major trauma until further data are available supporting its use.
We acknowledge the assistance of Jean S. Maragno, Director, Library Services, Sherman Library, St. Joseph’s Healthcare Hamilton, Hamilton, Ontario and Lois Cottrell, Librarian, Library Services, Sherman Library, St. Joseph’s Healthcare Hamilton, Hamilton, Ontario. We are also grateful to the SCCM staff who helped us during the process of developing these guidelines, particularly Lori A. Harmon, RRT, MBA, Director, Quality and Sylvia Quintanilla, Guidelines Manager.
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corticosteroids; glucocorticoids; critical illness; sepsis; septic shock; acute respiratory distress syndrome; major trauma
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