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[Postoperative cognitive dysfunction: prevalence and associated factors.].
Gustavo Luchi Boos1, Luiz Fernando Soares, Getúlio Rodrigues de Oliveira Filho
1Anestesiologia da SES/SC.
Revista Brasileira De Anestesiologia
|May 27, 2009
Summary
Postoperative cognitive dysfunction (POCD) is a concern after surgery. A low preanesthetic Mini-Mental State Examination (MMSE) score independently predicts POCD, highlighting the importance of baseline cognitive assessment.
Area of Science:
- Anesthesiology and Perioperative Medicine
- Neuroscience
- Geriatric Medicine
Context:
- Postoperative cognitive dysfunction (POCD) is a multifactorial condition affecting patients after surgery.
- Factors contributing to POCD include age, medical status, and anesthetic/surgical interventions.
- Understanding POCD predictors is crucial for patient management and outcomes.
Purpose:
- To determine the prevalence of POCD in a surgical patient cohort.
- To identify factors associated with the development of POCD.
- To evaluate the predictive value of preanesthetic cognitive assessment for POCD.
Summary:
- This prospective study assessed 55 patients undergoing various surgeries using the Mini-Mental State Examination (MMSE) at multiple time points.
- POCD was diagnosed in 14.54% of patients, with a higher prevalence (28.57%) in those over 65.
- Only preanesthetic MMSE scores and age were significantly different between patients with and without POCD.
Impact:
- Preanesthetic MMSE score emerged as the sole significant independent predictor of POCD.
- This finding underscores the importance of baseline cognitive function assessment in surgical risk stratification.
- Early identification of at-risk patients can potentially lead to targeted interventions to mitigate POCD.
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