[1. Bitsch M, Foss N, Kristensen B, Kehlet H. Pathogenesis of and management strategies for postoperative delirium after hip fracture: a review. Acta Orthop Scand. 2004; 75:378-89.10.1080/0001647041000112315370579]Open DOISearch in Google Scholar
[2. American Psychiatric Association practice guideline for the treatment of patients with delirium. Am J psych. 1999; 156(5 Suppl):1-20.]Search in Google Scholar
[3. van Munster BC, Korse CM, de Rooij SE, Bonfrer JM, Zwinderman AH, Korevaar JC. Markers of cerebral damage during delirium in elderly patients with hip fracture. BMC Neurology. 2009; 9:21-8.10.1186/1471-2377-9-21269541419473521]Open DOISearch in Google Scholar
[4. U.S. Department of Health and Human Services. CMS Pub. No. 03445. Washington, DC: Centers for Medicare and Medicaid Services; 2004. CMS Statistics; p. 34.]Search in Google Scholar
[5. Inouye SK, Charpentier PA. Precipitating factors for delirium in hospitalized elderly persons. Predictive model and interrelationship with baseline vulnerability. JAMA. 1996; 275:852-7.10.1001/jama.1996.03530350034031]Search in Google Scholar
[6. Inouye SK, Foreman MD, Mion LC, Katz KH, Cooney LM Jr. Nurses’ recognition of delirium and its symptoms: comparison of nurse and researcher ratings. Arch Intern Med. 2001; 161:2467-73.10.1001/archinte.161.20.246711700159]Open DOISearch in Google Scholar
[7. Yang FM, Inouye SK, Fearing MA, Kiely DK, Marcantonio ER, Jones RN. Participation in activity and risk for incident delirium. J Am Geriatr Soc. 2008; 56:1479-84.10.1111/j.1532-5415.2008.01792.x257503118547359]Open DOISearch in Google Scholar
[8. Michaud L, Bula C, Berney A, Camus V, Voellinger R, Stiefel F, et al. Delirium: guidelines for general hospitals. J Psychosom Res. 2007; 62:371-83.10.1016/j.jpsychores.2006.10.00417324689]Open DOISearch in Google Scholar
[9. Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group (2009). Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement. PLoS Medicine. 2009; 6:e100009710.1371/journal.pmed.1000097270759919621072]Search in Google Scholar
[10. Richardson W, Wilson M, Nishikawa J, Hayward R. The well-built clinical question: a key to evidencebased decisions. ACP Journal Club. 1995; 123:A12-3.10.7326/ACPJC-1995-123-3-A12]Search in Google Scholar
[11. Vandenbroucke JP, von Elm E, Altman DG, Gotzsche PC, Mulrow CD, Pocock SJ, et al. Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration. Epidemiology. 2007; 18:805-35.10.1097/EDE.0b013e318157751118049195]Open DOISearch in Google Scholar
[12. Borenstein M. Software for publication bias in publication bias in meta-analysis-prevention, assessment and adjustments. edited by H.R. Rothstein, A.J. Sutton and M. Borenstein. USA: John Wiley & Sons; 2005.10.1002/0470870168.ch11]Search in Google Scholar
[13. Higgins JP, Thompson SG, Deeks JJ, Altman DG. Measuring inconsistency in meta-analyses. BMJ. 2003; 327:557-60.10.1136/bmj.327.7414.55719285912958120]Open DOISearch in Google Scholar
[14. Marcantonio ER, Flacker JM, Michaels M, Resnick NM. Delirium is independently associated with poor functional recovery after hip fracture. J Am Geriatr Soc. 2000; 48:618-24.10.1111/j.1532-5415.2000.tb04718.x10855596]Open DOISearch in Google Scholar
[15. Edlund A, Lundstrom M, Brannstrom B, Bucht G, Gustafson Y. Delirium before and after operation for femoral neck fracture. J Am Geriatr Soc. 2001; 49: 1335-40.10.1046/j.1532-5415.2001.49261.x11890492]Open DOISearch in Google Scholar
[16. Galanakis P, Bickel H, Gradinger R, Von Gumppenberg S, Forstl H. Acute confusional state in the elderly following hip surgery: incidence, risk factors and complications. Int J Geriatr Psychiatry. 2001; 16: 349-55.10.1002/gps.32711333420]Open DOISearch in Google Scholar
[17. Marcantonio E, Ta T, Duthie E, Resnick NM. Delirium severity and psychomotor types: their relationship with outcomes after hip fracture repair. J Am Geriatr Soc. 2002; 50:850-7.10.1046/j.1532-5415.2002.50210.x12028171]Open DOISearch in Google Scholar
[18. Zakriya KJ, Christmas C, Wenz JF Sr, Franckowiak S, Anderson R, Sieber FE. Preoperative factors associated with postoperative change in confusion assessment method score An hip fracture patients. Anesth Analg. 2002; 94:1628-32.10.1213/00000539-200206000-00050]Search in Google Scholar
[19. Morrison RS, Magaziner J, Gilbert M, Koval KJ, McLaughlin MA, Orosz G, et al. Relationship between pain and opioid analgesics on the development of delirium following hip fracture. J Gerontol A Biol Sci Med Sci. 2003; 58:M76-81.10.1093/gerona/58.1.M7612560416]Open DOISearch in Google Scholar
[20. Kagansky N, Rimon E, Naor S, Dvornikov E, Cojocaru L, Levy S. Low incidence of delirium in very old patients after surgery for hip fractures. Am J Geriatr Psychiatry. 2004; 12:306-14.10.1097/00019442-200405000-00010]Open DOISearch in Google Scholar
[21. Zakriya K, Sieber FE, Christmas C, Wenz JF Sr, Franckowiak S. Brief postoperative delirium in hip fracture patients affects functional outcome at three months. Anesth Analg. 2004; 98:1798-802.10.1213/01.ANE.0000117145.50236.9015155351]Open DOISearch in Google Scholar
[22. Olofsson B, Lundstrom M, Borssen B, Nyberg L, Gustafson Y. Delirium is associated with poor rehabilitation outcome in elderly patients treated for femoral neck fractures. Scand J Caring Sci. 2005; 19: 119-27.10.1111/j.1471-6712.2005.00324.x15877637]Open DOISearch in Google Scholar
[23. Santos FS, Wahlund LO, Varli F, Tadeu Velasco I, Jonhagen ME. Incidence, clinical features and subtypes of delirium in elderly patients treated for hip fractures. Dement Geriatr Cogn Disord. 2005; 20: 231-7.10.1159/00008731116088139]Open DOISearch in Google Scholar
[24. Sharma PT, Sieber FE, Zakriya KJ, Pauldine RW, Gerold KB, Hang J, et al. Recovery room delirium predicts postoperative delirium after hip-fracture repair. Anesth Analg. 2005; 101:1215-20.10.1213/01.ane.0000167383.44984.e516192548]Open DOISearch in Google Scholar
[25. Furlaneto ME, Garcez-Leme LE. Delirium in elderly individuals with hip fracture: causes, incidence, prevalence, and risk factors. Clinics (Sao Paulo). 2006; 61:35-40.10.1590/S1807-5932200600010000716532223]Open DOISearch in Google Scholar
[26. Goldenberg G, Kiselev P, Bharathan T, Baccash E, Gill L, Madhav V, et al. Predicting postoperative delirium in elderly patients undergoing surgery for hip fracture. Psychogeriatrics. 2006; 6:43-8.10.1111/j.1479-8301.2006.00146.x]Open DOISearch in Google Scholar
[27. de Jonghe JF, Kalisvaart KJ, Dijkstra M, van Dis H, Vreeswijk R, Kat MG, et al. Early symptoms in the prodromal phase of delirium: a prospective cohort study in elderly patients undergoing hip surgery. Am J Geriatr Psychiatry. 2007; 15:112-21.10.1097/01.JGP.0000241002.86410.c217272731]Open DOISearch in Google Scholar
[28. van Munster BC, Korevaar JC, Zwinderman AH, Levi M, Wiersinga WJ, de Rooij SE. Time-course of cytokines during delirium in elderly patients with hip fractures. J Am Geriatr Soc. 2008; 56:1704-9.10.1111/j.1532-5415.2008.01851.x18691278]Open DOISearch in Google Scholar
[29. Juliebo V. Risk factors for preoperative and postoperative delirium in elderly patients with hip fracture. J Am Geriatr Soc. 2009; 57:1354-61.10.1111/j.1532-5415.2009.02377.x19573218]Open DOISearch in Google Scholar
[30. Juliebo V, Krogseth M, Skovlund E, Engedal K, Ranhoff AH, Wyller TB. Delirium is not associated with mortality in elderly hip fracture patients. Dement Geriatr Cogn Disord. 2010; 30:112-20.10.1159/00031881920733304]Open DOISearch in Google Scholar
[31. Kat MG, de Jonghe JF, Vreeswijk R, van der Ploeg T, van Gool WA, Eikelenboom P, et al. Mortality associated with delirium after hip-surgery: a 2-year follow-up study. Age Ageing. 2011; 40:312-8.10.1093/ageing/afr01421414946]Search in Google Scholar
[32. Bisschop PH, de Rooij SE, Zwinderman AH, van Oosten HE, van Munster BC. Cortisol, insulin, and glucose and the risk of delirium in older adults with hip fracture. J Am Geriatr Soc. 2011; 59:1692-6.10.1111/j.1532-5415.2011.03575.x21883119]Open DOISearch in Google Scholar
[33. Lee KH, Ha YC, Lee YK, Kang H, Koo KH. Frequency, risk factors, and prognosis of prolonged delirium in elderly patients after hip fracture surgery. Clin Orthop Relat Res. 2011; 469:2612-20.10.1007/s11999-011-1806-1]Search in Google Scholar
[34. Vochteloo AJ, Moerman S, van der Burg BL, de Boo M, de Vries MR, Niesten DD, et al. Delirium risk screening and haloperidol prophylaxis program in hip fracture patients is a helpful tool in identifying highrisk patients, but does not reduce the incidence of delirium. BMC Geriatr. 2011; 11:39-46.10.1186/1471-2318-11-39]Open DOISearch in Google Scholar
[35. Sieber FE, Mears S, Lee H, Gottschalk A. Postoperative opioid consumption and its relationship to cognitive function in older adults with hip fracture. J Am Geriatr Soc. 2011; 59:2256-62.10.1111/j.1532-5415.2011.03729.x]Open DOISearch in Google Scholar
[36. Witlox J, Kalisvaart KJ, de Jonghe FM, Verwey NA, van Stijn MF, Houdijk AP, et al. Cerebrospinal fluid B-amyloid and tau are not associated with risk of delirium: a prospective cohort study in older adults with hip fracture. J Am Geriatr Soc. 2011; 59:1260-7.10.1111/j.1532-5415.2011.03482.x]Open DOISearch in Google Scholar
[37. Nie H, Zhao B, Zhang YQ, Jiang YH, Yang YX. Pain and cognitive dysfunction are the risk factors of delirium in elderly hip fracture Chinese patients. Arch Gerontol Geriatr. 2012; 54:e172-4.10.1016/j.archger.2011.09.012]Open DOISearch in Google Scholar
[38. Inouye SK, van Dyck CH, Alessi CA, Balkin S, Siegal AP, Horwitz RI. Clarifying confusion: the confusion assessment method: a new method for detection of delirium. Ann Intern Med. 1990; 13:941-8.10.7326/0003-4819-113-12-941]Open DOISearch in Google Scholar
[39. American Psychiatric Association. Diagnostic and statistical manual of mental disorders. 4th edition text. Washington DC, American Psychiatric Association; 1994.]Search in Google Scholar
[40. Gustafson L, Lindgren M, Westling B. The OBS scale-A factor analysis approach to evaluation of confusional states and other organic brain syndromes. Departments of Psychogeriatrics, Lund University 1995.]Search in Google Scholar
[41. Albert MS, Levkoff SE, Reilly C, Liptzin B, Pilgrim D, Cleary PD, et al. The delirium symptom interview: an interview for the detection of delirium symptoms in hospitalized patients. J Geriatr Psychiatry Neurol. 1992; 5:14-21.10.1177/002383099200500103]Open DOISearch in Google Scholar
[42. Trzepacz PT, Mittal D, Torres R, Kanary K, Norton J, Jimerson N. Validation of the delirium rating scalerevised-98: comparison with the delirium rating scale and the cognitive test for delirium. J Neuropsychiatry Clin Neurosci. 2001; 13:229-42.10.1176/jnp.13.2.229]Search in Google Scholar
[43. Breitbart W, Rosenfeld B, Roth A, Smith MJ, Cohen K, Passik S. The memorial delirium assessment scale. J Pain Symptom Manage. 1997; 13:128-37.10.1016/S0885-3924(96)00316-8]Open DOISearch in Google Scholar
[44. Schuurmans MJ, Shortridge-Baggett LM, Duursma SA. The delirium observation screening scale: a screening instrument for delirium. Res Theory Nurs Pract. 2003; 17:31-50.10.1891/rtnp.17.1.31.5316912751884]Open DOISearch in Google Scholar
[45. Neelon VJ, Champagne MT, Carlson JR, Funk SG. The NEECHAM confusion scale: construction, validation, and clinical testing. Nurs Res. 1996; 45: 324-30.10.1097/00006199-199611000-00002]Open DOISearch in Google Scholar
[46. Inouye SK. Delirium in older persons. N Engl J Med. 2006; 354:1157-65.10.1056/NEJMra052321]Open DOISearch in Google Scholar
[47. Levkoff SE, Evans DA, Liptzin B, Cleary PD, Lipsitz LA, Wetle TT, et al. Delirium: the occurrence and persistence of symptoms among elderly hospitalized patients. Arch Intern Med. 1992; 152:334-403.10.1001/archinte.1992.00400140082019]Open DOISearch in Google Scholar
[48. Schuurmans MJ, Duursma SA, Shortridge-Baggett LM, Clevers GJ, Pel-Littel R. Elderly patients with a hip fracture: the risk for delirium. Appl Nurs Res. 2003; 16:75-84. 10.1016/S0897-1897(03)00012-0]Open DOISearch in Google Scholar