Needham DM, Davidson J, Cohen H et al (2012) Improving long-term outcomes after discharge from intensive care unit: report from a stakeholders’ conference. Crit Care Med 40:502–509CrossRefPubMed

Granja C, Gomes E, Amaro A et al (2008) Understanding posttraumatic stress disorder-related symptoms after critical care: the early illness amnesia hypothesis. Crit Care Med 36:2801–2809CrossRefPubMed

Shehabi Y, Riker RR, Bokesch PM et al (2010) Delirium duration and mortality in lightly sedated, mechanically ventilated intensive care patients. Crit Care Med 38:2311–2318CrossRefPubMed

Jackson JC, Pandharipande PP, Girard TD et al (2014) Depression, post-traumatic stress disorder, and functional disability in survivors of critical illness in the BRAIN-ICU study: a longitudinal cohort study. Lancet Respir Med 2:369–379PubMedCentralCrossRefPubMed

Wade D, Hardy R, Howell D, Mythen M (2013) Identifying clinical and acute psychological risk factors for PTSD after critical care: a systematic review. Minerva Anestesiol 79:944–963PubMed

Pandharipande PP, Girard TD, Jackson JC et al (2013) Long-term cognitive impairment after critical illness. N Engl J Med 369:1306–1316PubMedCentralCrossRefPubMed

Deja M, Denke C, Weber-Carstens S et al (2006) Social support during intensive care unit stay might improve mental impairment and consequently health-related quality of life in survivors of severe acute respiratory distress syndrome. Crit Care 10:R147PubMedCentralCrossRefPubMed

Mikkelsen ME, Christie JD, Lanken PN et al (2012) The adult respiratory distress syndrome cognitive outcomes study: long-term neuropsychological function in survivors of acute lung injury. Am J Respir Crit Care Med 185:1307–1315PubMedCentralCrossRefPubMed

Hopkins RO, Suchyta MR, Snow GL, Jephson A, Weaver LK, Orme JF (2010) Blood glucose dysregulation and cognitive outcome in ARDS survivors. Brain Inj 24:1478–1484CrossRefPubMed

Iwashyna TJ, Ely EW, Smith DM, Langa KM (2010) Long-term cognitive impairment and functional disability among survivors of severe sepsis. JAMA 304:1787–1794PubMedCentralCrossRefPubMed

Girard TD, Kress JP, Fuchs BD et al (2008) Efficacy and safety of a paired sedation and ventilator weaning protocol for mechanically ventilated patients in intensive care (Awakening and Breathing Controlled trial): a randomised controlled trial. Lancet 371:126–134CrossRefPubMed

Jackson JC, Girard TD, Gordon SM et al (2010) Long-term cognitive and psychological outcomes in the awakening and breathing controlled trial. Am J Respir Crit Care Med 182:183–191PubMedCentralCrossRefPubMed

Steiner LA (2011) Postoperative delirium. Part 1: pathophysiology and risk factors. Eur J Anaesthesiol 28:628–636CrossRefPubMed

NICE (2009) Rehabilitation after critical illness. National Institute for Health and Care Excellence

Dubois MJ, Bergeron N, Dumont M, Dial S, Skrobik Y (2001) Delirium in an intensive care unit: a study of risk factors. Intensive Care Med 27:1297–1304CrossRefPubMed

Ely EW, Gautam S, Margolin R et al (2001) The impact of delirium in the intensive care unit on hospital length of stay. Intensive Care Med 27:1892–1900CrossRefPubMed

Gelinas C (2007) Management of pain in cardiac surgery ICU patients: have we improved over time? Intensive Crit Care Nurs 23:298–303CrossRefPubMed

Puntillo KA, White C, Morris AB et al (2001) Patients’ perceptions and responses to procedural pain: results from Thunder Project II. Am J Crit Care 10:238–251PubMed

Barr J, Fraser GL, Puntillo K et al (2013) Clinical practice guidelines for the management of pain, agitation, and delirium in adult patients in the intensive care unit. Crit Care Med 41:263–306CrossRefPubMed

Ely EW, Truman B, Shintani A et al (2003) Monitoring sedation status over time in ICU patients: reliability and validity of the Richmond Agitation-Sedation Scale (RASS). JAMA 289:2983–2991CrossRefPubMed

Riker RR, Picard JT, Fraser GL (1999) Prospective evaluation of the Sedation-Agitation Scale for adult critically ill patients. Crit Care Med 27:1325–1329CrossRefPubMed

Fraser GL, Devlin JW, Worby CP et al (2013) Benzodiazepine versus nonbenzodiazepine-based sedation for mechanically ventilated, critically ill adults: a systematic review and meta-analysis of randomized trials. Crit Care Med 41:S30–S38CrossRefPubMed

Vasilevskis EE, Morandi A, Boehm L et al (2011) Delirium and sedation recognition using validated instruments: reliability of bedside intensive care unit nursing assessments from 2007 to 2010. J Am Geriatr Soc 59(Suppl 2):S249–S255PubMedCentralCrossRefPubMed