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August 1, 2006The Journal of Strength and Conditioning ResearchOpen Access

Significant positive relationships were found between QOL and peak power output/body mass (ρ=0.59) and peak heart rate (ρ=0.78), while inverse relationships were found with age and body mass (ρ=-0.53).

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Why the study?

Is cardiorespiratory fitness related to quality of life in women survivors of breast cancer?

Population

16 women survivors of breast cancer, mean age 50 ± 9 years, body mass 66.6 ± 9.6 kg.

Design

Cross-sectional

Authors

FHFERNANDO HERREROJBJ. BalmerAJAlejandro F. San Juan

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Overview

Fitness indices associated with QOL in breast cancer survivors; hypothesis-generating and requires prospective trials before practice change.

Key Points

  • To determine whether specific cardiorespiratory fitness indices correlate with overall quality of life in female breast cancer survivors.
  • Assessed quality of life in 16 female breast cancer survivors (age 50 ± 9 years; body mass 66.6 ± 9.6 kg) using the EORTC QLQ-C30 questionnaire.
  • Conducted incremental cycle ergometer testing to quantify peak oxygen uptake, peak power output, peak heart rate, ventilatory threshold, and respiratory compensation threshold.
  • Evaluated associations between physiological fitness parameters and quality of life metrics using Spearman rank-difference correlation coefficients.
  • Quality of life correlated positively with peak heart rate (ρ = 0.78, p < 0.05), relative peak power output (ρ = 0.59, p < 0.05), oxygen uptake at respiratory compensation threshold (ρ = 0.51, p < 0.05), and heart rate at respiratory compensation threshold (ρ = 0.54, p < 0.05).
  • Quality of life scores showed significant inverse correlations with body mass (ρ = −0.53, p < 0.05) and age (ρ = −0.53, p < 0.05), as well as percentage thresholds relative to peak effort (p < 0.05).

Structured PICO

Is cardiorespiratory fitness related to quality of life in women survivors of breast cancer?

P
Population
16 women survivors of breast cancer, mean age 50 ± 9 years, body mass 66.6 ± 9.6 kg.
O
Outcome
Quality of life (QOL) assessed using the European Organization for Research and Treatment of Cancer QLQ-30 questionnairepatient reported

Higher cardiorespiratory fitness indices are positively correlated with better quality of life in breast cancer survivors, suggesting a potential benefit of exercise training.

Cite This Study

HERRERO et al. (2006) studied this question.

synapsesocial.com/papers/6a799f2002ab7a73dd02746chttps://doi.org/10.1519/00124278-200608000-00013
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