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MP11: Underreport of incident delirium in elderly patients treated in the emergency department

  • M. Emond (a1), A. Nadeau (a1), V. Boucher (a1), P. Voyer (a1), M. Pelletier (a1), E. Gouin (a1), R. Daoust (a1), S. Berthelot (a1), M. Lamontagne (a1), M. Morin (a1), S. Lemire (a1), T. Minh Vu (a1), M. Rheault (a1), L. Juneau (a1), N. Le Sage (a1) and J. Lee (a1)...

Abstract

Introduction: It is documented that physicians and nurses fail to detect delirium in more than half of cases from various clinical settings, which could have serious consequences for seniors and for our health care system. The present study aimed to describe the rate of documented incident delirium in 5 Canadian Emergency departments (ED) by health professionals (HP). Methods: This study is part of the multicenter prospective cohort INDEED study. Patients aged 65 years old, initially free of delirium with an ED stay 8hours were followed up to 24h after ward admission. Delirium status was assessed twice daily using the Confusion Assessment Method (CAM) by trained research assistants (RA). HP reviewed patient charts to assess detection of delirium. HP had no specific routine detection of delirious ED patients. Inter-observer agreement was realized among RA. Comparison of detection between RA and HP was realized with univariate analyses. Results: Among the 652 included patients, 66 developed a delirium as evaluated with the CAM by the RA. Among those 66 patients, only 10 deliriums (15.2%) were documented in the patients medical file by the HP. 54 (81.8%) patients with a CAM positive for delirium by the RA were not recorded by the HP, 2 had incomplete charts. The delirium index was significantly higher in the HP reported group compared to the HP not reported, respectively 7.1 and 4.5 (p<0.05). Other predictive delirium variables, such as cognitive status, functional status, comorbidities, physiological status, and ED and hospital length of stay were similar between groups. Conclusion: It seems that health professionals missed 81.8% of the potential delirious ED patients in comparison to routine structured screening of delirium. HP could identify patients with a greater severity of symptoms. Our study points out the need to better identify elders at risk to develop delirium and the need for fast and reliable tools to improve the screening of this disorder.

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MP11: Underreport of incident delirium in elderly patients treated in the emergency department

  • M. Emond (a1), A. Nadeau (a1), V. Boucher (a1), P. Voyer (a1), M. Pelletier (a1), E. Gouin (a1), R. Daoust (a1), S. Berthelot (a1), M. Lamontagne (a1), M. Morin (a1), S. Lemire (a1), T. Minh Vu (a1), M. Rheault (a1), L. Juneau (a1), N. Le Sage (a1) and J. Lee (a1)...

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