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Outcomes with spinal versus general anesthesia for patients with and without preoperative cognitive impairment: Secondary analysis of a randomized clinical trial

  • Kyra O'Brien
  • , Rui Feng
  • , Frederick Sieber
  • , Edward R. Marcantonio
  • , Ann Tierney
  • , Jay Magaziner
  • , Jeffrey L. Carson
  • , Derek Dillane
  • , Daniel I. Sessler
  • , Diane Menio
  • , Sabry Ayad
  • , Trevor Stone
  • , Steven Papp
  • , Eric S. Schwenk
  • , Mitchell Marshall
  • , J. Douglas Jaffe
  • , Charles Luke
  • , Balram Sharma
  • , Syed Azim
  • , Robert Hymes
  • Ki Jinn Chin, Richard Sheppard, Barry Perlman, Joshua Sappenfield, Ellen Hauck, Mark A. Hoeft, Jason Karlawish, Samir Mehta, Derek J. Donegan, Annamarie Horan, Susan S. Ellenberg, Mark D. Neuman
  • University of Pennsylvania
  • Johns Hopkins University
  • Harvard University
  • University of Maryland, Baltimore
  • Rutgers - The State University of New Jersey, New Brunswick
  • University of Alberta
  • Cleveland Clinic Foundation
  • The Center for Advocacy for the Rights and Interests of the Elderly
  • University of British Columbia
  • University of Ottawa
  • Thomas Jefferson University
  • New York University
  • Wake Forest University
  • University of Pittsburgh
  • USA
  • Department of Orthopedic Surgery
  • University of Toronto
  • Institute of Living
  • PeaceHealth Medical Group
  • University of Florida
  • Temple University
  • University of Vermont

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

INTRODUCTION: The effect of spinal versus general anesthesia on the risk of postoperative delirium or other outcomes for patients with or without cognitive impairment (including dementia) is unknown. METHODS: Post hoc secondary analysis of a multicenter pragmatic trial comparing spinal versus general anesthesia for adults aged 50 years or older undergoing hip fracture surgery. RESULTS: Among patients randomized to spinal versus general anesthesia, new or worsened delirium occurred in 100/295 (33.9%) versus 107/283 (37.8%; odds ratio [OR] 0.85; 95% confidence interval [CI] 0.60 to 1.19) among persons with cognitive impairment and 70/432 (16.2%) versus 71/445 (16.0%) among persons without cognitive impairment (OR 1.02; 95% CI 0.71 to 1.47, p = 0.46 for interaction). Delirium severity, in-hospital complications, and 60-day functional recovery did not differ by anesthesia type in patients with or without cognitive impairment. DISCUSSION: Anesthesia type is not associated with differences in delirium and functional outcomes among persons with or without cognitive impairment.

Original languageEnglish
Pages (from-to)4008-4019
Number of pages12
JournalAlzheimer's and Dementia
Volume19
Issue number9
DOIs
StatePublished - Sep 2023

Keywords

  • anesthesia
  • delirium
  • dementia
  • hip fracture
  • mild cognitive impairment
  • surgery

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