Circulatory and Ventilatory Power: Characterization in Patients with Coronary Artery Disease

Castello-Simões, Viviane; Minatel, Vinícius; Karsten, Marlus; Simões, Rodrigo Polaquini; Perseguini, Natália Maria; Milan, Juliana Cristina; Arena, Ross; Neves, Laura Maria Tomazi; Borghi‐Silva, Audrey; Catai, Aparecida Maria

doi:10.5935/abc.20150035

Cited by 20 publications

(22 citation statements)

References 37 publications

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“…Previous studies have demonstrated that peak CircP is a strong predictor of outcomes in patients with left heart failure [6,8] and adults with congenital heart disease [9], and it was also evaluated in patients with coronary artery disease [11] and in the general population [12]. Our study confirms that peak CircP can also predict prognosis in patients with IPAH, which agrees with their results.…”

Section: Discussionsupporting

confidence: 91%

Peak circulatory power is a strong prognostic factor in patients with idiopathic pulmonary arterial hypertension

Tang

Yao

Liu

et al. 2018

Respiratory Medicine

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Section: Discussionsupporting

confidence: 91%

Peak circulatory power is a strong prognostic factor in patients with idiopathic pulmonary arterial hypertension

Tang

Yao

Liu

et al. 2018

Respiratory Medicine

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“…Secondary outcome: As a secondary outcome measure, the exercise capacity was assessed by CP and VP, both of which have been showed to serve as a surrogate predictor of mortality and prognosis. 16 …”

Section: Methodsmentioning

confidence: 99%

“…Recently, new variables derived from the cardiopulmonary exercise test (CPET), such as circulatory power (CP) and ventilatory power (VP) have been used for the clinical evaluation of heart failure patients as important markers of exercise limitation 16 . These indices could provide a potentially valuable measure of cardiopulmonary function in the coexistence of TM2DM and HTN.…”

Section: Introductionmentioning

confidence: 99%

Effects of Coexistence Hypertension and Type II Diabetes on Heart Rate Variability and Cardiorespiratory Fitness

Bassi¹,

Cabiddu²,

Mendes³

et al. 2018

Arquivos Brasileiros De Cardiologia

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BackgroundType 2 diabetes Mellitus (T2DM) is associated with cardiac autonomic dysfunction, which is an independent predictor of mortality in chronic diseases. However, whether the coexistence of systemic arterial hypertension (HTN) with DMT2 alters cardiac autonomic modulation remains unknown.ObjectiveTo evaluate the influence of HTN on cardiac autonomic modulation and cardiorespiratory fitness in subjects with DMT2.Methods60 patients of both genders were evaluated and allocated to two groups: DMT2 patients (n = 32; 51 ± 7.5 years old) and DMT2 + HTN patients (n = 28; 51 ± 6.9 years old). RR intervals were obtained during rest in supine position. Linear and nonlinear indices of heart rate variability (HRV) were computed using Kubios HRV software. Pulmonary gas exchange was measured breath-by-breath, using a portable telemetric system during maximal incremental exercise testing on a cycle ergometer. Statistical analysis included Shapiro-Wilk test followed by Student’s t Test, Pearson correlation and linear regression.ResultsWe found that patients in the DMT2+HTN group showed lower values of mean RR intervals (801.1 vs 871.5 ms), Shannon entropy (3 vs 3.2) and fractal dimension SD 1 (9.5 vs 14.5), when contrasted with patients in the DMT2 group. Negative correlations were found between some HRV nonlinear indices and exercise capacity indices.ConclusionHTN negatively affects the cardiac autonomic function in diabetic patients, who are already prone to develop autonomic dysfunction. Strategies are need to improve cardiac autonomic functionality in this population.

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“…mL O 2 /kg/min) was defined as the product of peak . VO 2 and peak SBP (24). Exercise ventilatory power (mmHg) was defined as peak SBP divided by the .…”

Section: Day 2: Maximal Exercise Testing To Determine Submaximal Loadsmentioning

confidence: 99%

Effects of high- and moderate-intensity exercise on central hemodynamic and oxygen uptake recovery kinetics in CHF-COPD overlap

Mazzuco

Souza

Medeiros

et al. 2020

Braz J Med Biol Res

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The oxygen uptake ( . VO 2 ) kinetics during onset of and recovery from exercise have been shown to provide valuable parameters regarding functional capacity of both chronic obstructive pulmonary disease (COPD) and chronic heart failure (CHF) patients. To investigate the influence of comorbidity of COPD in patients with CHF with reduced ejection fraction on recovery from submaximal exercise, 9 CHF-COPD male patients and 10 age-, gender-, and left ventricle ejection fraction (LVEF)-matched CHF patients underwent constant-load exercise tests (CLET) at moderate and high loads. The . VO 2 , heart rate (HR), and cardiac output (CO) recovery kinetics were determined for the monoexponential relationship between these variables and time. Within-group analysis showed that the recovery time constant of HR (Po0.05, d=1.19 for CHF and 0.85 for CHF-COPD) and CO (Po0.05, d=1.68 for CHF and 0.69 for CHF-COPD) and the mean response time (MRT) of CO (Po0.05, d=1.84 for CHF and 0.73 for CHF-COPD) were slower when moderate and high loads were compared. CHF-COPD patients showed smaller amplitude of CO recovery kinetics (Po0.05) for both moderate (d=2.15) and high (d=1.07) CLET. Although the recovery time constant and MRT means were greater in CHF-COPD, CHF and CHF-COPD groups were not differently affected by load (P40.05 in group vs load analysis). The ventilatory efficiency was related to MRT of . VO 2 during high CLET (r=0.71). Our results suggested that the combination of CHF and COPD may further impair the recovery kinetics compared to CHF alone.

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Circulatory and Ventilatory Power: Characterization in Patients with Coronary Artery Disease

Cited by 20 publications

References 37 publications

Peak circulatory power is a strong prognostic factor in patients with idiopathic pulmonary arterial hypertension

Peak circulatory power is a strong prognostic factor in patients with idiopathic pulmonary arterial hypertension

Effects of Coexistence Hypertension and Type II Diabetes on Heart Rate Variability and Cardiorespiratory Fitness

Effects of high- and moderate-intensity exercise on central hemodynamic and oxygen uptake recovery kinetics in CHF-COPD overlap

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