This paper is marked retracted in the scholarly record (OpenAlex). Interpret its findings with caution.
RETRACTION: Effect of Combined Etomidate‐Ketamine Anesthesia on Perioperative Electrocardiogram and Postoperative Cognitive Dysfunction of Elderly Patients with Rheumatic Heart Valve Disease Undergoing Heart Valve Replacement
Journal of Healthcare Engineering

Abstract
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Taxonomy
TopicsIntensive Care Unit Cognitive Disorders · Cardiac and Coronary Surgery Techniques · Anesthesia and Sedative Agents
RETRACTION: L. Yang, J. Xie, and D. Hou, “Effect of Combined Etomidate‐Ketamine Anesthesia on Perioperative Electrocardiogram and Postoperative Cognitive Dysfunction of Elderly Patients with Rheumatic Heart Valve Disease Undergoing Heart Valve Replacement,” Journal of Healthcare Engineering 2022, no. 1 (2022), https://doi.org/10.1155/2022/6205757.
The above article, published online on 07 January 2022 in Wiley Online Library (https://wileyonlinelibrary.com), has been retracted by John Wiley & Sons Ltd.
This article has been retracted following an investigation undertaken by the publisher. This investigation has uncovered evidence of one or more of the following indicators of systematic manipulation of the publication process:
- 1.Discrepancies in scope
- 2.Discrepancies in the description of the research reported
- 3.Discrepancies between the availability of data and the research described
- 4.Inappropriate citations
- 5.Incoherent, meaningless, and/or irrelevant content included in the article
- 6.Manipulated or compromised peer review
The presence of these indicators undermines our confidence in the integrity of the article’s content, and we cannot, therefore, vouch for its reliability. Please note that this notice is intended solely to alert readers that the content of this article is unreliable. We have not investigated whether authors were aware of or involved in the systematic manipulation of the publication process.
