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The facilitated values history: helping surrogates make authentic decisions for incapacitated patients with advanced illness.

ABSTRACT: Many patients who develop incapacitating illness have not expressed clear treatment preferences. Therefore, surrogate decision makers are asked to make judgments about what treatment pathway is most consistent with the patient's values. Surrogates often struggle with such decisions. The difficulty arises because answering the seemingly straightforward question, "What do you think the patient would choose?" is emotionally, cognitively, and morally complex. There is little guidance for clinicians to assist families in constructing an authentic picture of the patient's values and applying them to medical decisions, in part because current models of medical decision making treat the surrogate as the expert on the patient's values and the physician as the expert on technical medical considerations. However, many surrogates need assistance in identifying and working through the sometimes conflicting values relevant to medical decisions near the end of life. We present a framework for clinicians to help surrogates overcome the emotional, cognitive, and moral barriers to high-quality surrogate decision making for incapacitated patients.

SUBMITTER: Scheunemann LP

PROVIDER: S-EPMC3480534 | biostudies-other | 2012 Sep

REPOSITORIES: biostudies-other

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The facilitated values history: helping surrogates make authentic decisions for incapacitated patients with advanced illness.

Scheunemann Leslie P LP Arnold Robert M RM White Douglas B DB

American journal of respiratory and critical care medicine 20120719 6

Many patients who develop incapacitating illness have not expressed clear treatment preferences. Therefore, surrogate decision makers are asked to make judgments about what treatment pathway is most consistent with the patient's values. Surrogates often struggle with such decisions. The difficulty arises because answering the seemingly straightforward question, "What do you think the patient would choose?" is emotionally, cognitively, and morally complex. There is little guidance for clinicians ...[more]

PMID: 22822020

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Project description:Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in late 2019 and has since caused a global pandemic resulting in millions of cases and deaths. Diagnostic tools and serological assays are critical for controlling the outbreak, especially assays designed to quantitate neutralizing antibody levels, considered the best correlate of protection. As vaccines become increasingly available, it is important to identify reliable methods for measuring neutralizing antibody responses that correlate with authentic virus neutralization but can be performed outside biosafety level 3 (BSL3) laboratories. While many neutralizing assays using pseudotyped virus have been developed, there have been few studies comparing the different assays to each other as surrogates for authentic virus neutralization. Here, we characterized three enzyme-linked immunosorbent assays (ELISAs) and three pseudotyped vesicular stomatitis virus (VSV) neutralization assays and assessed their concordance with authentic virus neutralization. The most accurate assays for predicting authentic virus neutralization were luciferase- and secreted embryonic alkaline phosphatase (SEAP)-expressing pseudotyped virus neutralizations, followed by green fluorescent protein (GFP)-expressing pseudotyped virus neutralization, and then the ELISAs. IMPORTANCE The ongoing COVID-19 pandemic is caused by infection with severe acute respiratory syndrome virus 2 (SARS-CoV-2). Prior infection or vaccination can be detected by the presence of antibodies in the blood. Antibodies in the blood are also considered to be protective against future infections from the same virus. The "gold standard" assay for detecting protective antibodies against SARS-CoV-2 is neutralization of authentic SARS-CoV-2 virus. However, this assay can only be performed under highly restrictive biocontainment conditions. We therefore characterized six antibody-detecting assays for their correlation with authentic virus neutralization. The significance of our research is in outlining the advantages and disadvantages of the different assays and identifying the optimal surrogate assay for authentic virus neutralization. This will allow for more accurate assessments of protective immunity against SARS-CoV-2 following infection and vaccination.

Dataset Information

The facilitated values history: helping surrogates make authentic decisions for incapacitated patients with advanced illness.

Publications

The facilitated values history: helping surrogates make authentic decisions for incapacitated patients with advanced illness.

Similar Datasets

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