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Results Delirium was identified in 5280 of 16 595 (31.8%) critically ill patients reported in 42 studies.

When compared with control patients without delirium, patients with delirium had significantly higher mortality during admission (risk ratio 2.19, 94% confidence interval 1.78 to 2.70; PA high proportion of adults admitted to hospital experience delirium, a pathological alteration in cognition associated with inattention, a fluctuating course, and an underlying systemic illness, metabolic imbalance, or association with a drug (or withdrawal).1 2 Delirium has been linked to adverse short term outcomes, including up to threefold increases hospital mortality and length of stay,3 4 5 which place considerable burdens on caregivers6 7 and healthcare services.8 9 Delirium can also have long term consequences, with studies indicating an association between delirium and a higher likelihood of death,10 functional disability,11 admission to residential care, cognitive impairment,12 and dementia after discharge.13 The risk of delirium is particularly high in selected subsets of hospital patients such as elderly people and those with pre-existing cognitive impairments,14 people with terminal illnesses,15 patients undergoing major surgery,16 and those who are admitted to an intensive care unit.17The identification, prevention, and treatment of delirium are increasingly regarded as major public health priorities.18 Delirium has been described as one of the most common types of organ dysfunction encountered in intensive care, though its prevalence is variable across studies.3 19 Delirium can be overlooked, misdiagnosed, and its significance underestimated by healthcare providers working in intensive care.20 21 Studies evaluating the relation between delirium and mortality have yielded inconsistent results, some reporting a significant association4 22 23 24 and others not.25 26 27Knowledge of the true magnitude of delirium and its associated burdens in critically ill patients would allow clinicians, researchers, and policymakers to allocate much needed resources towards reducing morbidity and mortality associated with delirium.

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Objectives To determine the relation between delirium in critically ill patients and their outcomes in the short term (in the intensive care unit and in hospital) and after discharge from hospital.

Seventy patients aged 60 years or older who had been admitted to the units were enrolled into the study within the first 48 hours of admission.

Studies were excluded if they primarily enrolled patients with a neurological disorder or patients admitted to intensive care after cardiac surgery or organ/tissue transplantation, or centered on sedation management or alcohol or substance withdrawal.Design Systematic review and meta-analysis of published studies.Data sources Pub Med, Embase, CINAHL, Cochrane Library, and Psych INFO, with no language restrictions, up to 1 January 2015.Les derniers jouets à la mode, les incontournables, les plus funs, les ludiques, les jouets en bois et bien d’autres encore !Plutôt que d'acheter un calendrier de Noël, pourquoi ne pas le fabriquer avec les enfants du 1er au 24 décembre ?

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