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Revista Colombiana de Psiquiatría

versão impressa ISSN 0034-7450


RESTREPO, Diana et al. Risk Factors and Hospital Mortality in Surgical and Non-surgical Patients with Delirium. rev.colomb.psiquiatr. [online]. 2018, vol.47, n.3, pp.148-154. ISSN 0034-7450.


Delirium is a common neuropsychiatric syndrome with severe consequences, especially for elderly patients with pre-existing cognitive impairment.


Descriptive study of one retrospective cohort, with the aim of comparing risk factors and mortality between surgical treatment and non-surgical treatment in a group of hospitalised patients with delirium.


Of the 184 hospitalised patients with delirium analysed, 29.3% were for surgical causes and 70.7% for non-surgical causes. Just over half (50.5%) were women, and 50% of the patients were 74 years or less (interquartile range, 27 years), with statistical differences (P=.002). Prior cognitive impairment was observed in 42.9% of patients, with a greater proportion of non-surgical (50.8% vs 24.1%) with significant differences (P=.001). Anticholinergic medications were received by 89.7% of patients, and almost all of them (99.5%) received three or more medicines, with no significant differences. Half (50%) of the patients remained in hospital for 16.3 days or less (interquartile range, 23 days). Hospitalisation was significantly longer in the surgical group (P<.001). The hospital mortality was 14.7%, with no statistical differences between groups (P=.073).


Although there were no significant differences in mortality between the groups, it was higher in the non-surgical (17.7% vs. 7.4%). Increased mortality was found in the older group (non-surgical) that also had significantly greater cognitive impairment, which coincides with that in the scientific literature.

Palavras-chave : Delirium; hospital mortality; surgery department; internal medicine department; risk factors.

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