Preop Cognitive Impairment Tied to TKA Delirium - Takeaways - MDSpire
From the Journals

Preop Cognitive Impairment Tied to TKA Delirium

Older patients with documented cognitive impairment also experienced greater postoperative functional decline following elective total knee arthroplasty

  • By

  • Andrea Surnit

  • May 13, 2026

  • 4 min

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  • 1

    Study focuses on older patients undergoing total knee arthroplasty.

  • 2

    Higher postoperative delirium rates in patients with cognitive impairment (27% vs <1%).

  • 3

    104 pairs of patients were analyzed after propensity score matching.

  • 4

    Only 17% of cognitively impaired patients remained independent post-surgery.

  • 5

    Importance of early identification and preemptive interventions highlighted.

  • 6

    Spinal anesthesia used more in cognitively impaired patients.

  • 7

    Study limited by reliance on database documentation.

Original Source(s)

Preop Cognitive Impairment Tied to TKA Delirium

  • by Andrea Surnit

  • May 13, 2026

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