Dexmedetomidine on Postoperative Cognitive Dysfunction and Serum Tau-217 Protein.

Summary

To assess the effect of Dexmedetomidine on serum Tau-217 protein and its relation to the incidence and severity of postoperative cognitive dysfunction in elderly patients undergoing major surgery under general anesthesia.

Timeline

Start

2024-04

Primary completion

2025-03

Completion

2026-03

Publications

• Background Thijssen EH, La Joie R, Strom A, Fonseca C, Iaccarino L, Wolf A, Spina S, Allen IE, Cobigo Y, Heuer H, VandeVrede L, Proctor NK, Lago AL, Baker S, Sivasankaran R, Kieloch A, Kinhikar A, Yu L, Valentin MA, Jeromin A, Zetterberg H, Hansson O, Mattsson-Carlgren N, Graham D, Blennow K, Kramer JH, Grinberg LT, Seeley WW, Rosen H, Boeve BF, Miller BL, Teunissen CE, Rabinovici GD, Rojas JC, Dage JL, Boxer AL; Advancing Research and Treatment for Frontotemporal Lobar Degeneration investigators. Plasma phosphorylated tau 217 and phosphorylated tau 181 as biomarkers in Alzheimer's disease and frontotemporal lobar degeneration: a retrospective diagnostic performance study. Lancet Neurol. 2021 Sep;20(9):739-752. doi: 10.1016/S1474-4422(21)00214-3.
• Background McKay TB, Qu J, Liang F, Mueller A, Wiener-Kronish J, Xie Z, Akeju O. Tau as a serum biomarker of delirium after major cardiac surgery: a single centre case-control study. Br J Anaesth. 2022 Jul;129(1):e13-e16. doi: 10.1016/j.bja.2022.04.002. Epub 2022 Apr 22. No abstract available.
• Background Ballweg T, White M, Parker M, Casey C, Bo A, Farahbakhsh Z, Kayser A, Blair A, Lindroth H, Pearce RA, Blennow K, Zetterberg H, Lennertz R, Sanders RD. Association between plasma tau and postoperative delirium incidence and severity: a prospective observational study. Br J Anaesth. 2021 Feb;126(2):458-466. doi: 10.1016/j.bja.2020.08.061. Epub 2020 Nov 20.
• Background Liang F, Baldyga K, Quan Q, Khatri A, Choi S, Wiener-Kronish J, Akeju O, Westover MB, Cody K, Shen Y, Marcantonio ER, Xie Z. Preoperative Plasma Tau-PT217 and Tau-PT181 Are Associated With Postoperative Delirium. Ann Surg. 2023 Jun 1;277(6):e1232-e1238. doi: 10.1097/SLA.0000000000005487. Epub 2022 Jul 6.
• Background Wang W, Ma Y, Liu Y, Wang P, Liu Y. Effects of Dexmedetomidine Anesthesia on Early Postoperative Cognitive Dysfunction in Elderly Patients. ACS Chem Neurosci. 2022 Aug 3;13(15):2309-2314. doi: 10.1021/acschemneuro.2c00173. Epub 2022 Jul 21.

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Indications