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Intern Emerg Med. 2016 Mar;11(2):183-9. doi: 10.1007/s11739-015-1259-8. Epub 2015 May 28.

Exercise training improves cardiopulmonary and endothelial function in women with breast cancer: findings from the Diana-5 dietary intervention study.

Author information

1
Division of Internal Medicine and Cardiac Rehabilitation, Department of Translational Medical Sciences, University of Naples "Federico II", Via S. Pansini 5, 80131, Naples, NA, Italy. giallauria@libero.it.
2
Division of Internal Medicine and Cardiac Rehabilitation, Department of Translational Medical Sciences, University of Naples "Federico II", Via S. Pansini 5, 80131, Naples, NA, Italy.
3
Dipartimento di Medicina Clinica e Chirurgia, Federico II University, Naples, Italy.
4
Medical Statistics Unit, Second University of Naples, Naples, Italy.
5
Department of Preventive and Predictive Medicine, National Cancer Institute, Milan, Italy.

Abstract

To investigate whether exercise training (ET) improves cardiopulmonary and endothelial function in women with breast cancer (BC). Fifty-one female patients (aged between 39 and 72 years) with a history of primary invasive BC within the previous 5 years and enrolled in the Mediterranean diet-based DIANA (diet and androgens)-5 Trial were subdivided into 2 groups: an ET group (n = 25) followed a formal ET program of moderate intensity (3 session/week on a bicycle at 60-70 % VO2peak for 3 months, followed by one session/week until 1-year follow-up), while a control group (n = 26) did not perform any formal ET. At baseline and at 1-year follow-up, all patients underwent cardiopulmonary exercise stress test (CPET) and measurements of vascular endothelial function by peripheral artery tonometry (Reactive Hyperemia Index, RHI). There were no significant differences between the groups in baseline anthropometrical, BC characteristics, and metabolic profile. No differences in baseline CPET and RHI parameters were found. Peak oxygen consumption (VO2peak) significantly increased in ET group (from 12.4 ± 2.9 to 14.3 ± 3.3 mL/kg/min, p < 0.001) compared to the control group (from 12.8 ± 2.5 to 12.6 ± 2.8 mL/kg/min, p = 0.55; p < 0.001 between groups). Compared to the control group (from 2.0 ± 0.4 to 1.9 ± 0.4, p = 0.62), the ET group showed a significant improvement of RHI after 1 year (from 2.1 ± 0.7 to 2.5 ± 0.8, p < 0.001). Changes in VO2peak were correlated with changes in RHI (ΔVO2peak vs. ΔRHI: r = 0.47, p = 0.017). In BC survivors, ET program improves cardiopulmonary functional capacity and vascular endothelial function after 12 months. Whether these changes may favorably modulate some of the pathophysiological mechanisms implied in cancer evolution should be investigated.

KEYWORDS:

Breast cancer; Cancer; Cardiopulmonary exercise testing; Endothelial function; Exercise training

PMID:
26016834
DOI:
10.1007/s11739-015-1259-8
[Indexed for MEDLINE]

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