2021
DOI: 10.36660/abc.20210006
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Desempenho Diagnóstico da Angiotomografia Computadorizada e da Avaliação Seriada de Troponina Cardíaca Sensível em Pacientes com Dor Torácica e Risco Intermediário para Eventos Cardiovasculares

Abstract: Fundamento: A angiotomografia coronária (ATC) tem sido usada para avaliação de dor torácica principalmente em pacientes de baixo risco, e poucos dados existem com pacientes em risco intermediário. Objetivo: Avaliar o desempenho de medidas seriadas de troponinas sensíveis e de ATC em pacientes de risco intermediário. Métodos: Um total de 100 pacientes com dor torácica, TIMI score 3 ou 4 e troponina negativa foram prospectivamente incluídos. Todos os pacientes foram submetidos à ATC, e aqueles com obstruções ≥ 5… Show more

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Cited by 2 publications
(3 citation statements)
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“…The evolution of biomarkers has allowed the simplification of chest pain protocols and the reduction of inappropriate discharge of patients with ACS. 2 Due to troponin's high sensitivity and specificity, in the fourth consensus on the universal definition of myocardial infarction, it was concluded that to establish the clinical diagnosis, an elevation above the 99th percentile of this biomarker was associated with clinical evidence of myocardial infarction ischemia. 3 Given the low cutoff for troponin, there are doubts in this consensus regarding the clinical relevance.…”
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confidence: 99%
“…The evolution of biomarkers has allowed the simplification of chest pain protocols and the reduction of inappropriate discharge of patients with ACS. 2 Due to troponin's high sensitivity and specificity, in the fourth consensus on the universal definition of myocardial infarction, it was concluded that to establish the clinical diagnosis, an elevation above the 99th percentile of this biomarker was associated with clinical evidence of myocardial infarction ischemia. 3 Given the low cutoff for troponin, there are doubts in this consensus regarding the clinical relevance.…”
mentioning
confidence: 99%
“…However, like the vast majority of studies that used CTA in the context of hospital ER, their results mostly apply to low-risk populations. 4,5 In this issue of the journal, Matos Soeiro et al 6 publish an interesting study that compares the performance of CTA against the serial assessment of cTnI-hs in 100 patients with chest pain referred to the ER, initially negatives ECG and cTnI-hs and an intermediate TIMI RS. 6 Unsurprisingly, CTA performed better than cTnI-hs measurements in detecting important CAD, with the time interval between patient arrival and CTA being approximately one hour shorter than the interval between patient arrival and the result of the second troponin measurement.…”
mentioning
confidence: 99%
“…4,5 In this issue of the journal, Matos Soeiro et al 6 publish an interesting study that compares the performance of CTA against the serial assessment of cTnI-hs in 100 patients with chest pain referred to the ER, initially negatives ECG and cTnI-hs and an intermediate TIMI RS. 6 Unsurprisingly, CTA performed better than cTnI-hs measurements in detecting important CAD, with the time interval between patient arrival and CTA being approximately one hour shorter than the interval between patient arrival and the result of the second troponin measurement. The study also attempted to assess the clinical impact of hospitalization, death, and acute myocardial infarction at 30 days through telephone follow-up.…”
mentioning
confidence: 99%