CAMILA REGINA ALVES DE ASSUMPCAO

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  • conferenceObject
    Cardiac rehabilitation in patients with refractory angina: preliminary results
    (2019) DOURADO, L.; ASSUMPCAO, C. R. A. A.; JORDAO, C. P.; VIEIRA, M. L. C.; GOWDAK, L. H. W.; CESAR, L. A. M.; MATOS, L. D. N. J.
  • article 2 Citação(ões) na Scopus
    Cardiopulmonary exercise test in patients with refractory angina: functional and ischemic evaluation
    (2022) ASSUMPCAO, Camila R. A. de; PRADO, Danilo M. L. do; JORDAO, Camila P.; DOURADO, Luciana O. C.; VIEIRA, Marcelo L. C.; MONTENEGRO, Carla G. de S. P.; NEGRAO, Carlos E.; GOWDAK, Luis H. W.; MATOS, Luciana D. N. J. De
    Objectives: Refractory angina (RA) is a chronic condition clinically characterized by low effort tolerance; therefore, physical stress testing is not usually requested for these patients. Cardiopulmonary exercise testing (CPET) is con-sidered a gold standard examination for functional capacity evaluation, even in submaximal tests, and it has gained great prominence in detecting ischemia. The authors aimed to determine cardiorespiratory capacity by using the oxygen consumption efficiency slope (OUES) in patients with refractory angina. The authors also stud-ied the O-2 pulse response by CPET and the association of ischemic changes with contractile modifications by exer-cise stress echocardiography (ESE). Methods: Thirty-one patients of both sexes, aged 45 to 75 years, with symptomatic (Canadian Cardiovascular Soci-ety class II to IV) angina who underwent CPET on a treadmill and exercise stress echocardiography on a lower limb cycle ergometer were studied. ClinicalTrials.gov: NCT03218891. Results: The patients had low cardiorespiratory capacity (OUES of 1.74 +/- 0.4 L/min; 63.9 +/- 14.7% of predicted), and 77% of patients had a flattening or drop in O-2 pulse response. There was a direct association between Heart Rate (HR) at the onset of myocardial ischemia detected by ESE and HR at the onset of flattening or drop in oxygen pulse response detected by CPET (R = 0.48; p = 0.019). Conclusion: Patients with refractory angina demonstrate low cardiorespiratory capacity. CPET shows good sensi-tivity for detecting abnormal cardiovascular response in these patients with a significant relationship between flattening O-2 pulse response during CEPT and contractile alterations detected by exercise stress echocardiography.
  • 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.