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In a randomized trial involving 4000 patients in the ICU who required sedation for mechanical ventilation, dexmedetomidine had no benefit on 90-day mortality as compared with usual care and was associated with more adverse events. Additional drugs were required for prescribed sedation levels in the two groups.

In this cluster-randomized, multiple-crossover trial conducted in 5 ICUs, intravenous administration of balanced crystalloids resulted in a lower rate of the composite outcome — death from any cause, new renal-replacement therapy, or persistent renal dysfunction — than saline.

In a large, blinded, randomized trial involving critically ill adults, no significant difference in 90-day mortality was noted between those who received red cells stored for a mean of 11.8 days and those who received red cells stored for a mean of 22.4 days.

In a multicenter trial in 566 patients with critical illness who had delirium, the use of haloperidol or ziprasidone, as compared with placebo, had no significant effect on the duration of delirium or coma. Side effects and extrapyramidal disorders occurred at similar rates in all groups.

In this trial of simvastatin involving critically ill patients with Covid-19, which was stopped owing to reduced cases, simvastatin did not meet the prespecified criteria for superiority to control treatment.

This randomized, double-blind trial involving critically ill patients compared balanced multielectrolyte solution with saline as fluid therapy in the ICU. There was no evidence that the risk of death or acute kidney injury was lower with the use of BMES than with saline.

In this study from sub-Saharan Africa, children with severe febrile illness and impaired perfusion were randomly assigned to fluid-bolus therapy or no bolus. Albumin or saline boluses significantly increased 48-hour mortality in critically ill children with impaired perfusion. Rapid, early fluid resuscitation in patients with shock, a therapy that is aimed at the correction of hemodynamic abnormalities, is one component of goal-driven emergency care guidelines. This approach is widely endorsed by pediatric life-support training programs, which recommend the administration of up to 60 ml of isotonic fluid per kilogram of body weight within 15 minutes after the diagnosis of shock. 1 Children who do not have an adequate response to fluid resuscitation require intensive care for inotropic and ventilatory support. 1 Substantial improvements in the outcomes of pediatric septic shock have been attributed to this approach. 2 , 3 Nevertheless, evidence regarding . . .

The appropriate caloric goal for critically ill adults is unclear. In this study, enteral feeding to deliver a moderate amount of nonprotein calories was not associated with lower mortality than that associated with planned delivery of a full amount of nonprotein calories. Nutritional support is an essential component of the care of critically ill adults. 1 Achieving caloric targets has been recommended with the premise that attenuating malnutrition and protein catabolism, which are associated with increased morbidity and mortality, will improve outcomes. 2 Observational studies examining various doses of enteral feeding have yielded conflicting results. 3 – 7 Two cluster-randomized, controlled trials comparing higher enteral nutritional delivery with usual care in critically ill patients showed no reduction in mortality with the higher enteral nutrition. 8 , 9 Augmenting energy intake with early parenteral nutrition has been shown to result in no change in mortality 10 and in an increased . . .

In a randomized trial comparing the proton-pump inhibitor pantoprazole with placebo in the ICU, there was no significant difference in the rate of death at 90 days or in a combined end point of clinically meaningful events, which included gastrointestinal bleeding and pneumonia.

In a trial involving more than 2400 critically ill patients, 90-day mortality was similar among patients receiving blood donated on average 6 days earlier and those receiving blood donated 22 days earlier. The age of the transfused blood did not influence outcomes. Blood transfusions are administered frequently and may have unintended consequences in critically ill patients. 1 – 4 Current regulations permit the storage of red cells for up to 42 days, but prolonged storage has been associated with changes that may render red cells ineffective as oxygen carriers and that lead to the accumulation of substances that have untoward biologic effects. 5 – 8 A systematic review of 18 observational studies involving a total of 409,840 patients and three randomized, controlled trials involving a total of 126 patients suggested that the transfusion of older red cells, as compared with newer red cells, was associated with . . .