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05.02.2018 | Original Article | Ausgabe 7/2018

Supportive Care in Cancer 7/2018

Cardiorespiratory fitness and adiposity in breast cancer survivors: is meeting current physical activity recommendations really enough?

Zeitschrift:
Supportive Care in Cancer > Ausgabe 7/2018
Autoren:
Alejandro Santos-Lozano, Javier Ramos, Alejandro Alvarez-Bustos, Blanca Cantos, Lidia B. Alejo, Itziar Pagola, Ana Soria, Constanza Maximiano, Carmen Fiuza-Luces, Luisa Soares-Miranda, Alejandro Lucia, Ana Ruiz-Casado
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00520-018-4055-y) contains supplementary material, which is available to authorized users.
Alejandro Santos-Lozano, Javier Ramos and Alejandro Alvarez-Bustos contributed equally to this work.
Luisa Soares-Miranda, Alejandro Lucia, and Ana Ruiz-Casado share senior authorship.

Abstract

Purpose

Breast cancer (BC) survivors are becoming increasingly predisposed to cardiovascular disease (CVD) mortality. Low cardiorespiratory fitness and physical activity (PA) levels, as well as high values of adiposity indices, contribute to CVD risk. We evaluated adiposity, cardiorespiratory profile, and PA levels in two independent cohorts of BC survivors.

Methods

Data were collected from two groups (99% women) from different areas of Madrid (Spain): group 1, n = 110, age 51.4 ± 9.7 years, median time from diagnosis 365 days (95% confidence interval [CI], 354–401), and group 2, n = 93, age 54.7 ± 8.9 years, 1714 days (95% CI, 1502–1938). We estimated peak oxygen uptake (VO2peak) and measured body mass index (BMI), waist circumference (WC), waist-to-hip index, and accelerometry-determined PA.

Results

Both groups had values of BMI in the overweight range (25.3 ± 4.3 and 27.1 ± 5.1 kg/m2, p = 0.003). Estimated VO2peak levels were lower in group 2 than in group 1 (28.1 ± 9.1 and 23.7 ± 8.8 ml/kg/min, p < 0.001), although levels in both groups were low. Yet, the majority of participants in both groups (81 and 88%, p = 0.234) met international PA recommendations (235 ± 196 and 351 ± 173 min/week of moderate–vigorous PA, p < 0.001). Both groups had very low levels of vigorous PA. These results were essentially independent of type of treatment (anthracycline/radiotherapy).

Conclusions

We found a poor cardiorespiratory profile in two independent BC cohorts that differed in median time from diagnosis (as well in socioeconomic status), supporting the notion that implementation of PA (possibly focusing on vigorous PA) and dietary intervention is urgently needed in this patient population.

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Zusatzmaterial
Supplementary File 1 (DOCX 35 kb)
520_2018_4055_MOESM1_ESM.docx
Supplementary file 2 (DOCX 37 kb)
520_2018_4055_MOESM2_ESM.docx
Literatur
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