> Details
du Fay de Lavallaz, Jeanne;
Badertscher, Patrick;
Nestelberger, Thomas;
Zimmermann, Tobias;
Miró, Òscar;
Salgado, Emilio;
Christ, Michael;
Geigy, Nicolas;
Cullen, Louise;
Than, Martin;
Javier Martin-Sanchez, F.;
Di Somma, Salvatore;
Frank Peacock, W.;
Morawiec, Beata;
Walter, Joan;
Twerenbold, Raphael;
Puelacher, Christian;
Wussler, Desiree;
Boeddinghaus, Jasper;
Koechlin, Luca;
Strebel, Ivo;
Keller, Dagmar I.;
Lohrmann, Jens;
Michou, Eleni;
[...]
B-Type Natriuretic Peptides and Cardiac Troponins for Diagnosis and Risk-Stratification of Syncope
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- Media type: E-Article
- Title: B-Type Natriuretic Peptides and Cardiac Troponins for Diagnosis and Risk-Stratification of Syncope
- Contributor: du Fay de Lavallaz, Jeanne; Badertscher, Patrick; Nestelberger, Thomas; Zimmermann, Tobias; Miró, Òscar; Salgado, Emilio; Christ, Michael; Geigy, Nicolas; Cullen, Louise; Than, Martin; Javier Martin-Sanchez, F.; Di Somma, Salvatore; Frank Peacock, W.; Morawiec, Beata; Walter, Joan; Twerenbold, Raphael; Puelacher, Christian; Wussler, Desiree; Boeddinghaus, Jasper; Koechlin, Luca; Strebel, Ivo; Keller, Dagmar I.; Lohrmann, Jens; Michou, Eleni; [...]
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Published:
Ovid Technologies (Wolters Kluwer Health), 2019
- Published in: Circulation, 139 (2019) 21, Seite 2403-2418
- Language: English
- DOI: 10.1161/circulationaha.118.038358
- ISSN: 0009-7322; 1524-4539
- Keywords: Physiology (medical) ; Cardiology and Cardiovascular Medicine
- Origination:
- Footnote:
- Description: <jats:sec> <jats:title>Background:</jats:title> <jats:p>The utility of BNP (B-type natriuretic peptide), NT-proBNP (N-terminal proBNP), and hs-cTn (high-sensitivity cardiac troponin) concentrations for diagnosis and risk-stratification of syncope is incompletely understood.</jats:p> </jats:sec> <jats:sec> <jats:title>Methods:</jats:title> <jats:p>We evaluated the diagnostic and prognostic accuracy of BNP, NT-proBNP, hs-cTnT, and hs-cTnI concentrations, alone and against those of clinical assessments, in patients >45-years old presenting with syncope to the emergency department in a prospective diagnostic multicenter study. BNP, NT-proBNP, hs-cTnT and hs-cTnI concentrations were measured in a blinded fashion. Cardiac syncope, as adjudicated by 2 physicians based on all information available including cardiac work-up and 1-year follow-up, was the diagnostic end point. EGSYS (Evaluation of Guidelines in Syncope Study), a syncope-specific diagnostic score, served as the diagnostic comparator. Death and major adverse cardiac events at 30 and 720 days were the prognostic end points. Major adverse cardiac events were defined as death, cardiopulmonary resuscitation, life-threatening arrhythmia, implantation of pacemaker/implantable cardioverter defibrillator, acute myocardial infarction, pulmonary embolism, stroke/transient ischemic attack, intracranial bleeding, or valvular surgery. ROSE (Risk Stratification of Syncope in the Emergency Department), OESIL (Osservatorio Epidemiologico della Sincope nel Lazio), SFSR (San Fransisco Syncope Rule), and CSRS (Canadian Syncope Risk Score) served as the prognostic comparators.</jats:p> </jats:sec> <jats:sec> <jats:title>Results:</jats:title> <jats:p> Among 1538 patients eligible for diagnostic assessment, cardiac syncope was the adjudicated diagnosis in 234 patients (15.2%). BNP, NT-proBNP, hs-cTnT, and hs-cTnI were significantly higher in cardiac syncope versus other causes ( <jats:italic>P</jats:italic> <0.01). The diagnostic accuracy for cardiac syncope, as quantified by the area under the curve, was 0.77 to 0.78 (95% CI, 0.74–0.81) for all 4 biomarkers, and superior to EGSYS (area under the curve, 0.68 [95%-CI 0.65–0.71], <jats:italic>P</jats:italic> <0.001). Combining BNP/NT-proBNP with hs-cTnT/hs-cTnI further improved diagnostic accuracy to an area under the curve of 0.81 ( <jats:italic>P</jats:italic> <0.01). BNP, NT-proBNP, hs-cTnT, and hs-cTnI cut-offs, achieving predefined thresholds for sensitivity and specificity (95%), allowed for rule-in or rule-out of ≈30% of all patients. A total of 450 major adverse cardiac events occurred during follow-up. The prognostic accuracy of BNP, NT-proBNP, hs-cTnI, and hs-cTnT for major adverse cardiac events was moderate-to-good (area under the curve, 0.75–0.79), superior to ROSE, OESIL, and SFSR, and inferior to CSRS. </jats:p> </jats:sec> <jats:sec> <jats:title>Conclusions:</jats:title> <jats:p>BNP, NT-proBNP, hs-cTnT, and hs-cTnI concentrations provide useful diagnostic and prognostic information in emergency department patients with syncope.</jats:p> </jats:sec> <jats:sec> <jats:title>Clinical Trial Registration:</jats:title> <jats:p> URL: <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="https://www.clinicaltrials.gov">https://www.clinicaltrials.gov</jats:ext-link> . Unique identifier: NCT01548352. </jats:p> </jats:sec>
- Access State: Open Access