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Preoperative Cognitive Performance and Postoperative Delirium Are independently Associated With Future Dementia in Older People Who Have Undergone Cardiac Surgery: A Longitudinal Cohort Study
Umeå universitet, Medicinska fakulteten, Institutionen för omvårdnad. Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap.
Umeå universitet, Medicinska fakulteten, Institutionen för omvårdnad. Umeå universitet, Medicinska fakulteten, Institutionen för kirurgisk och perioperativ vetenskap. Cardiothoracic Surgery Division, Heart Center.
Umeå universitet, Medicinska fakulteten, Institutionen för omvårdnad.
Umeå universitet, Samhällsvetenskapliga fakulteten, Handelshögskolan vid Umeå universitet, Statistik. Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Epidemiologi och global hälsa.
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2017 (engelsk)Inngår i: Critical Care Medicine, ISSN 0090-3493, E-ISSN 1530-0293, Vol. 45, nr 8, s. 1295-1303Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Objective: To investigate if postoperative delirium was associated with the development of dementia within 5 years after cardiac surgery.

Design: Longitudinal cohort study.

Setting: Cardiothoracic Division, Umeå University Hospital, Sweden.

Patients: Patients aged 70 years old or older (n = 114) scheduled for routine cardiac procedures with cardiopulmonary bypass without documented dementia were enrolled in 2009.

Intervention: Structured assessments were performed preoperatively, 1 and 4 days after extubation, and 1, 3, and 5 years postoperatively.

Measurements and Main Results: Patients were assessed comprehensively, including cognitive and physical function, coexisting medical conditions, demographic characteristics, and medications. Diagnoses of delirium, depression, and dementia were made according to Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, Text Revision criteria. During the 5-year period, 30 of 114 participants (26.3%) developed dementia. Postoperative delirium had occurred in 87% of those who later developed dementia. A multivariable logistic regression model showed a lower preoperative Mini-Mental State Examination score (p < 0.001; odds ratio, 0.68; 95% CI, 0.54–0.84) and the occurrence of postoperative delirium (p = 0.002; odds ratio, 7.57; 95% CI, 2.15–26.65) were associated with dementia occurrence.

Conclusions: Our findings suggest that older patients with reduced preoperative cognitive functions or who develop postoperative delirium are at risk of developing dementia within 5 years after cardiac surgery. Cognitive functions should be screened for preoperatively, those who develop postoperative delirium should be followed up to enable early detection of dementia symptoms, and management should be implemented.

sted, utgiver, år, opplag, sider
2017. Vol. 45, nr 8, s. 1295-1303
Emneord [en]
cardiac surgery, cardiovascular disease, delirium, dementia, older people
HSV kategori
Identifikatorer
URN: urn:nbn:se:umu:diva-135501DOI: 10.1097/CCM.0000000000002483ISI: 000405469600027OAI: oai:DiVA.org:umu-135501DiVA, id: diva2:1102660
Tilgjengelig fra: 2017-05-30 Laget: 2017-05-30 Sist oppdatert: 2018-06-09bibliografisk kontrollert

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Claesson Lingehall, HelenaSmulter, NinaLindahl, ElisabethLindkvist, MarieEngström, Karl GunnarGustavsson, YngveOlofsson, Birgitta

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