2009;24:409 15. 871. Hudetz JA, Iqbal Z, Gandhi SD, et al. Postoperative delirium and short-term cognitive dysfunction occur more frequently in patients undergoing valve surgery with or without coronary artery bypass graft surgery compared with coronary artery bypass graft surgery alone: results of a pilot study. J Cardiothorac Vasc Anesth. 2011;25:811 6. 872. Rudolph JL, Inouye SK, Jones RN, et al. Delirium: an independent predictor of functional decline after cardiac surgery. J Am Geriatr Soc. 2010;58:643 9. 873. Andrew MJ, Baker RA, Bennetts J, et al. A comparison of neuropsy- chologic deficits after extracardiac and intracaradiac surgery. J Cardio- thorac Vasc Anesth. 2001;15:9 14. 874. Fearn SJ, Pole R, Wesnes K, et al. Cerebral injury during cardiopul- monary bypass: emboli impair memory. J Thorac Cardiovasc Surg. 2001;121:1150 60. 875. Raymond PD, Hinton-Bayre AD, Radel M, et al. Assessment of sta- tistical change criteria used to define significant change in neuropsy- chological test performance following cardiac surgery. Eur J Cardio- thorac Surg. 2006;29:82 8. 876. Selnes OA, Goldsborough MA, Borowicz LM Jr, et al. Determinants of cognitive change after coronary artery bypass surgery: a multifactorial problem. Ann Thorac Surg. 1999;67:1669 76. 877. Selnes OA, Pham L, Zeger S, et al. Defining cognitive change after CABG: decline versus normal variability. Ann Thorac Surg. 2006;82: 388 90. 878. Johnson T, Monk T, Rasmussen LS, et al. Postoperative cognitive dysfunction in middle-aged patients. Anesthesiology. 2002;96:1351 7. 879. Monk TG, Weldon BC, Garvan CW, et al. Predictors of cognitive dysfunction after major noncardiac surgery. Anesthesiology. 2008;108: 18 30. 880. Rasmussen LS, Moller JT. Central nervous system dysfunction after anesthesia in the geriatric patient. Anesthesiol Clin North America. 2000;18:59 70. 881. Ho PM, Arciniegas DB, Grigsby J, et al. Predictors of cognitive decline following coronary artery bypass graft surgery. Ann Thorac Surg. 2004;77:597 603. 882. 