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Behavioral Influence of Known Prognostic Markers on the Cardiologist's Decision following Acute Coronary Syndrome: the GRACE Score Paradox

Carvalhal, Manuela Campelo ; Souza, Thiago Menezes Barbosa de ; Suerdieck, Jessica ; Lopes, Fernanda ; Correia, Vitor Calixto de Almeida ; Lacerda, Yasmin Falcon ; Sá, Nicole de ; Sodré, Gabriella Sant'Anna ; Rabelo, Marcia Maria Noya ; Correia, Luis Cláudio Lemos

Arquivos brasileiros de cardiologia, 2019-06, Vol.112 (6), p.721-726 [Peer Reviewed Journal]

Brazil: Sociedade Brasileira de Cardiologia - SBC

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Title:
Behavioral Influence of Known Prognostic Markers on the Cardiologist's Decision following Acute Coronary Syndrome: the GRACE Score Paradox
Author: Carvalhal, Manuela Campelo ; Souza, Thiago Menezes Barbosa de ; Suerdieck, Jessica ; Lopes, Fernanda ; Correia, Vitor Calixto de Almeida ; Lacerda, Yasmin Falcon ; Sá, Nicole de ; Sodré, Gabriella Sant'Anna ; Rabelo, Marcia Maria Noya ; Correia, Luis Cláudio Lemos
Subjects: Acute Coronary Syndrome - diagnosis ; Acute Coronary Syndrome - therapy ; Aged ; CARDIAC & CARDIOVASCULAR SYSTEMS ; Clinical Competence ; Decision Making ; Female ; Humans ; Infarto do Miocárdio Sem Supradesnivelamento do Segmento ST ; Logistic Models ; Male ; Middle Aged ; Original ; Practice Patterns, Physicians ; Prognosis ; Prognóstico ; Risk Assessment ; ROC Curve ; Síndrome Coronariana Aguda
Is Part Of: Arquivos brasileiros de cardiologia, 2019-06, Vol.112 (6), p.721-726
Notes: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Description: Behavioral scientists consistently point out that knowledge does not influence decisions as expected. GRACE Score is a well validated risk model for predicting death of patients with acute coronary syndromes (ACS). However, whether prognostic assessment by this Score modulates medical decision is not known. To test the hypothesis that the use of a validated risk score rationalizes the choice of invasive strategies for higher risk patients with non-ST-elevation ACS. ACS patients were consecutively included in this prospective registry. GRACE Score was routinely used by cardiologists as the prognostic risk model. An invasive strategy was defined as an immediate decision of the coronary angiography, which in the selective strategy was only indicated in case of positive non-invasive test or unstable course. Firstly, we evaluated the association between GRACE and invasiviness; secondly, in order to find out the actual determinants of the invasive strategy, we built a propensity model for invasive decision. For this analysis, a p-value < 0.05 was considered as significant. In a sample of 570 patients, an invasive strategy was adopted for 394 (69%). GRACE Score was 118 ± 38 for the invasive group, similar to 116 ± 38 for the selective group (p = 0.64). A propensity score for the invasive strategy was derived from logistic regression: positive troponin and ST-deviation (positive associations) and hemoglobin (negative association). This score predicted an invasive strategy with c-statistics of 0.68 (95%CI: 0.63-0.73), opposed to GRACE Score (AUC 0.51; 95%CI: 0.47-0.57). The dissociation between GRACE Score and invasive decision in ACS suggests that the knowledge of prognostic probabilities might not determine medical decision.
Publisher: Brazil: Sociedade Brasileira de Cardiologia - SBC
Language: English;Portuguese

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Behavioral Influence of Known Prognostic Markers on the Cardiologist's Decision following Acute Coronary Syndrome: the GRACE Score Paradox

Carvalhal, Manuela Campelo ; Souza, Thiago Menezes Barbosa de ; Suerdieck, Jessica ; Lopes, Fernanda ; Correia, Vitor Calixto de Almeida ; Lacerda, Yasmin Falcon ; Sá, Nicole de ; Sodré, Gabriella Sant'Anna ; Rabelo, Marcia Maria Noya ; Correia, Luis Cláudio Lemos

Brazil: Sociedade Brasileira de Cardiologia - SBC

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