LUCIANA OLIVEIRA CASCAES DOURADO

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Lattes
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Instituto do Coração, Hospital das Clínicas, Faculdade de Medicina - Médico
LIM/13 - Laboratório de Genética e Cardiologia Molecular, Hospital das Clínicas, Faculdade de Medicina

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  • article 2 Citação(ões) na Scopus
    Does Myocardial Injury Occur After an Acute Aerobic Exercise Session in Patients with Refractory Angina?
    (2022) MONTENEGRO, Carla Giuliano de Sa Pinto; DOURADO, Luciana Oliveira Cascaes; JORDAO, Camila Paixao; VIEIRA, Marcelo Luiz Campos; ASSUMPCAO, Camila Regina Alves; GOWDAK, Luis Henrique Wolff; PEREIRA, Alexandre da Costa; NEGRAO, Carlos Eduardo; MATOS, Luciana Diniz Nagem Janot de
    Background: It is unclear whether exercise is safe in patients with more advanced forms of coronary artery disease, such as those with refractory angina (RA). Objective: We aimed to determine the effect of an acute aerobic exercise session (AAES) on high-sensitivity cardiac troponin T (hs-cTnT) levels in patients with RA. Methods: This was a longitudinal, non-randomized, and non-controlled clinical study. Participants were recruited from April 2015 to January 2019. On a visual pain scale from 0 to 10, pain rated up to 3 was considered as the top level allowed to continue exercising. We assessed hs-cTnT at baseline and 3 hours after the AAES. The protocol consisted of 5 minutes of warm-up, 30 minutes of continuous aerobic exercise at heart rate corresponding to the anaerobic threshold or angina threshold obtained in the cardiopulmonary exercise testing, and 5 minutes of cooling down. P values less than 0.05 were considered statistically significant. Results: Thirty-two patients with RA were included (61 +/- 9 years, 59.4% male). The baseline hs-cTnT concentration was 10.9 ng/L (95% confidence interval: 9.1 to 13.0 ng/L).The hs-cTnT collected 3 hours after the AAES was 11.1 ng/L (95% confidence interval: 9.1 to 13.5 ng/L). No difference occurred in hs-cTnT before and after AAES (p = 0.657). Conclusions: A single AAES performed at the angina threshold with corresponding visual pain scale did not alter hs-cTnT in patients with RA, suggesting that no significant myocardial injury was elicited by exercising and that this exercise protocol can be considered safe.