Cardiothoracic & vascular anesthesia

Association Between Postoperative Delirium and Long-Term Subjective Cognitive Decline in Older Patients Undergoing Cardiac Surgery: A Secondary Analysis of the Minimizing Intensive Care Unit Neurological Dysfunction with Dexmedetomidine-Induced Sleep Trial

J Cardiothorac Vasc AnesthPublished Secondary analysis of the MINDDS randomised trial

Primary result · Self-reported cognitive function (PROMIS Applied Cognition-Abilities)Result — go to the resultMD −2.64 95% CI −5.25 to −0.04

Authors' conclusion

In this cohort of older patients undergoing cardiac surgery, in-hospital delirium was associated with SCD up to 180 days after surgery.

Study context

Population
Patients aged 60 years or older undergoing cardiac surgery with CPB at a tertiary medical center in Boston, Massachusetts
Participants
337 patients
Comparison
Postoperative delirium vs no delirium
  • Deliriumn = 39
Methodological detailsrandomized, placebo-controlled, parallel-arm, superiority, Patients recruited March 2017 to February 2022; analysed February 2023
  • Randomized
  • Placebo-controlled
  • Parallel-arm
  • Superiority
  • Patients recruited March 2017 to February 2022; analysed February 2023

Primary result

As reported in the abstract

Self-reported cognitive function (Patient-Reported Outcomes Measurement Information System (PROMIS) Applied Cognition-Abilities) · up to 180 days after surgery

MD

−2.64

95% CI −5.25 to −0.04

P = 0.047

Delirium vs Nondelirious
MD −2.64 (95% CI −5.25 to −0.04); P = 0.047

Further findings

OutcomeMD (95% CI)P value
Objective cognition (t-MoCA)−0.77 (−1.49 to −0.04)P = 0.04
Postoperative delirium incidence · within 3 days
11.6% · 39

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Association Between Postoperative Delirium and Long-Term Subjective Cognitive Decline in Older Patients Undergoing Cardiac Surgery: A Secondary Analysis of the Minimizing Intensive Care Unit Neurological Dysfunction with Dexmedetomidine-Induced Sleep Trial. J Cardiothorac Vasc Anesth. Published 30 April 2023. doi:10.1053/j.jvca.2023.04.035

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