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Impact of advance directives on the variability between intensivists in the decisions to forgo life-sustaining treatment.

ABSTRACT: Background: There is wide variability between intensivists in the decisions to forgo life-sustaining treatment (DFLST). Advance directives (ADs) allow patients to communicate their end-of-life wishes to physicians. We assessed whether ADs reduced variability in DFLSTs between intensivists.

Methods: We conducted a multicenter, prospective, simulation study. Eight patients expressed their wishes in ADs after being informed about DFLSTs by an intensivist-investigator. The participating intensivists answered ten questions about the DFLSTs of each patient in two scenarios, referring to patients' characteristics without ADs (round 1) and then with (round 2). DFLST score ranged from 0 (no-DFLST) to 10 (DFLST for all questions). The main outcome was variability in DFLSTs between intensivists, expressed as relative standard deviation (RSD).

Results: A total of 19,680 decisions made by 123 intensivists from 27 ICUs were analyzed. The DFLST score was higher with ADs than without (6.02 95% CI [5.85; 6.19] vs 4.92 95% CI [4.75; 5.10], p?
Conclusions: ADs increased the DFLST rate but did not reduce variability between the intensivists. In the decision-making process using ADs, the intensivist's decision took priority. Further research is needed to improve the matching of the physicians' decision with the patient's wishes. Trial registration ClinicalTrials.gov Identifier: NCT03013530. Registered 6 January 2017; https://clinicaltrials.gov/ct2/show/NCT03013530 .

SUBMITTER: Smirdec M

PROVIDER: S-EPMC7709386 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Impact of advance directives on the variability between intensivists in the decisions to forgo life-sustaining treatment.

Smirdec Margot M Jourdain Mercé M Guastella Virginie V Lambert Céline C Richard Jean-Christophe JC Argaud Laurent L Jaber Samir S Klouche Kada K Medard Anne A Reignier Jean J Rigaud Jean-Philippe JP Doise Jean-Marc JM Chabanne Russell R Souweine Bertrand B Bourenne Jeremy J Delmas Julie J Bertrand Pierre-Marie PM Verdier Philippe P Quenot Jean-Pierre JP Aubron Cecile C Eisenmann Nathanael N Asfar Pierre P Fratani Alexandre A Dellamonica Jean J Terzi Nicolas N Constantin Jean-Michel JM Van Lander Axelle A Guerin Renaud R Pereira Bruno B Lautrette Alexandre A

Critical care (London, England) 20201202 1

<h4>Background</h4>There is wide variability between intensivists in the decisions to forgo life-sustaining treatment (DFLST). Advance directives (ADs) allow patients to communicate their end-of-life wishes to physicians. We assessed whether ADs reduced variability in DFLSTs between intensivists.<h4>Methods</h4>We conducted a multicenter, prospective, simulation study. Eight patients expressed their wishes in ADs after being informed about DFLSTs by an intensivist-investigator. The participating ...[more]

PMID: 33267904

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Project description:BACKGROUND:An advance directive is a document specifying a person's preferences for treatment, should he or she lose capacity to make such decisions in the future. They have been used in end-of-life settings to direct care but should be well suited to the mental health setting. OBJECTIVES:To examine the effects of advance treatment directives for people with severe mental illness. SEARCH STRATEGY:We searched the Cochrane Schizophrenia Group's Register (February 2008), the Cochrane Library (Issue 1 2008), BIOSIS (1985 to February 2008), CINAHL (1982 to February 2008), EMBASE (1980 to February 2008), MEDLINE (1966 to February 2008), PsycINFO (1872 to February 2008), as well as SCISEARCH and Google - Internet search engine (February 2008). We inspected relevant references and contacted first authors of included studies. SELECTION CRITERIA:We included all randomised controlled trials (RCTs), involving adults with severe mental illness, comparing any form of advance directive with standard care for health service and clinical outcomes. DATA COLLECTION AND ANALYSIS:We extracted data independently. For homogenous dichotomous data we calculated fixed-effect relative risk (RR) and 95% confidence intervals (CI) on an intention-to-treat basis. For continuous data, we calculated weighted mean differences (WMD) and their 95% confidence interval again using a fixed-effect model. MAIN RESULTS:We were able to include two trials involving 321 people with severe mental illnesses. There was no significant difference in hospital admission (n=160, 1 RCT, RR 0.69 0.5 to 1.0), or number of psychiatric outpatient attendances between participants given advanced treatment directives or usual care. Similarly, no significant differences were found for compliance with treatment, self harm or number of arrests. Participants given advanced treatment directives needed less use of social workers time (n=160, 1 RCT, WMD -106.00 CI -156.2 to -55.8) than the usual care group, and violent acts were also lower in the advanced directives group (n=160, 1 RCT, RR 0.27 CI 0.1 to 0.9, NNT 8 CI 6 to 92). The number of people leaving the study early were not different between groups (n=321, 2 RCTs, RR 0.92 CI 0.6 to 1.6). AUTHORS' CONCLUSIONS:There are too few data available to make definitive recommendations. More intensive forms of advance directive appear to show promise, but currently practice must be guided by evidence other than that derived from randomised trials. More trials are indicated to determine whether higher intensity interventions, such as joint crisis planning, have an effect on outcomes of clinical relevance.

Project description:The implementation of advanced healthcare directives, prepared by almost half of the adult population in United States remains relatively under studied. We determined the impact of advanced healthcare directives on treatment decisions by multiple physicians in stroke patients.A deidentified summary of clinical and radiological records of 28 patients with stroke was given to six stroke physicians who were not involved in the care of the patients. Each physician independently rated 28 treatment decisions per patient in the presence or absence of advanced healthcare directives 1 month apart to allow memory washout. The percentage agreement to treat/intervene per patient and proportion of treatment withheld as a group were estimated for each of the 28 treatment decision items. We also determined the interobserver reliability between the two raters (attorneys) in interpretation of six items characterizing the adequacy of documentation within the 28 advanced healthcare directives.The percentage agreement among physician raters for treatment decisions in 28 stroke patients was highest for treatment of hyperpyrexia (100%, 100%) and lowest for ICU monitoring duration based on family-physician considerations outside of accepted criteria within institution (68%, 69%) in presence and absence of advanced healthcare directives. The physician rater agreement in choosing "yes" was highest for "routine-complexity" treatment decisions and lowest for "moderate-complexity" treatment decisions. The choice of withholding treatment in "routine-complexity," "moderate-complexity," or "high-complexity" treatment decisions was remarkably similar among raters in presence or absence of advanced healthcare directives. The only treatment decision that showed an impact of advanced healthcare directives was ICU monitoring withheld in 32% of treatment decisions in presence of directives (compared with 8% in the absence of directives). IV medication and defibrillation for cardiac arrest was withheld in 29% (compared with 19%) of the treatment decisions in the presence of advanced healthcare directives. The two attorney raters found the description of acceptable outcome inadequate in 14 and 21 of 28 advanced healthcare directives reviewed, respectively. The overall mean kappa for agreement regarding adequacy of documentation was modest (43%) for "does the advanced healthcare directive specify which treatments the patient would choose, or refuse to receive if they were diagnosed with an acute, terminal condition?" and lowest (3%) for "description of acceptable outcome."We did not find any prominent differences in most "routine-complexity," "moderate-complexity," or "high-complexity" treatment decisions in patient management in the presence of advanced healthcare directives. Presence of advanced healthcare directives also did not reduce the prominent variance among physicians in treatment decisions.

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Impact of advance directives on the variability between intensivists in the decisions to forgo life-sustaining treatment.

Publications

Impact of advance directives on the variability between intensivists in the decisions to forgo life-sustaining treatment.

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