Relationship between cognitive status at admission and incident delirium in older medical inpatients. 2010

José G Franco, and Camila Valencia, and Carolina Bernal, and María V Ocampo, and Paula T Trzepacz, and Joan de Pablo, and Mario A Mejía
Calle San Antonio, Numero 10, 1o 2a, Postal Code 43201, Reus, Spain. josefranco11@hotmail.com

To evaluate the relationship between cognitive status and incident delirium, 291 geriatric patients on internal medicine wards were evaluated on admission with the Mini-Mental State Examination (MMSE) and Confusion Assessment Method-Spanish. Those with incident delirium were assessed using the Delirium Rating Scale-Revised-98 (DRS-R98). Delirium incidence was 11.7%, and 82 patients (28.2%) had cognitive deficits on MMSE. As cognitive impairment worsened, the risk for delirium increased linearly, and for each unit of MMSE worsening the DRS-R98 severity score worsened 0.4 points (F=5.39, df=1, p=0.027). Optimal MMSE cutoff score from receiver-operating characteristic curve analysis was 24.5. Even mild cognitive deficits increase delirium risk and severity.

UI MeSH Term Description Entries
D007297 Inpatients Persons admitted to health facilities which provide board and room, for the purpose of observation, care, diagnosis or treatment. Inpatient
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010343 Patient Admission The process of accepting patients. The concept includes patients accepted for medical and nursing care in a hospital or other health care institution. Voluntary Admission,Admission, Patient,Admission, Voluntary,Admissions, Patient,Admissions, Voluntary,Patient Admissions,Voluntary Admissions
D011569 Psychiatric Status Rating Scales Standardized procedures utilizing rating scales or interview schedules carried out by health personnel for evaluating the degree of mental illness. Factor Construct Rating Scales (FCRS),Katz Adjustment Scales,Lorr's Inpatient Multidimensional Psychiatric Rating Scale,Wittenborn Scales,Edinburgh Postnatal Depression Scale,Mini International Neuropsychiatric Interview
D003072 Cognition Disorders Disorders characterized by disturbances in mental processes related to learning, thinking, reasoning, and judgment. Overinclusion,Disorder, Cognition,Disorders, Cognition
D003693 Delirium A disorder characterized by CONFUSION; inattentiveness; disorientation; ILLUSIONS; HALLUCINATIONS; agitation; and in some instances autonomic nervous system overactivity. It may result from toxic/metabolic conditions or structural brain lesions. (From Adams et al., Principles of Neurology, 6th ed, pp411-2) Delirium of Mixed Origin,Subacute Delirium,Delirium, Subacute,Deliriums, Subacute,Mixed Origin Delirium,Mixed Origin Deliriums,Subacute Deliriums
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000367 Age Factors Age as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or the effect of a circumstance. It is used with human or animal concepts but should be differentiated from AGING, a physiological process, and TIME FACTORS which refers only to the passage of time. Age Reporting,Age Factor,Factor, Age,Factors, Age

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