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- Effects of physical exercise on outcomes of cardiac (dys)function in women with breast cancer undergoing anthracycline or trastuzumab treatment: study protocol for a systematic reviewPublication . Antunes, Pedro; Esteves, Dulce; Nunes, Célia; Amarelo, Anabela; Moutinho, José Fonseca; Afreixo, Vera; Costa, Henrique; Alves, Alberto; Joaquim, AnaCardiotoxicity is a known complication and one of the most adverse effects from the use of conventional treatments such as anthracyclines and trastuzumab in breast cancer (BC) care. This phenomenon has been associated with the restriction of therapeutic options and the increase of cardiovascular complications, which may compromise the survival of patients. Implementation of preventive strategies is an important approach for the management of this issue. Physical exercise has been proposed as a non-pharmacological strategy to counteracting cardiotoxicity. The aim of this protocol is to describe the rationale and methods for a systematic review of published randomized controlled trials (RCTs) that have analysed the effects of physical exercise on outcomes of cardiac (dys)function in women with BC undergoing neoadjuvant or adjuvant treatment containing anthracyclines and/or trastuzumab.
- Health-related quality of life and physical fitness in breast cancer patients: the impact of a supervised physical exercise program in women with no exercise experiencePublication . Antunes, Pedro; Esteves, Dulce; Nunes, Célia; Joaquim, Ana; Pimentel, Francisco; Moutinho, José FonsecaAfter breast cancer diagnosis (BCD), localized breast cancer (BC) patients are treated with curative intent by several therapeutic modalities. Despite the benefit of those therapies, the induction of side effects is acommon consequence affecting psychosocial and physiological outcomes. This quasi-experimental study compared physical fitness in recent-term (14–30 months; n= 11) and later-term (74–92 months; n= 8) BCD patients. After inclusion, recent-term BCD patients were engaged in asupervised exercise program and was explored its impact on physical fitness, health-related quality of life (HR-QOL) and fatigue. At baseline (M1) and after 8 (M2) and 16 weeks (M3) of this period, HR-QOL and fatigue were evaluated by the EORTC QLQ-C30 questionnaire and physical fitness through the estimation of maximum oxygen consumption (VO2max,ml.kg.min–1), handgrip force (kg) and sit-stand test. At baseline, women with later-term BCD have revealed better VO2max (p < 0.05) than recent-term BCD patients. There was asignificant time*group interaction for physical fitness outcomes and only the patients who have participated in the exercise program reported significant changes between baseline and at 16 weeks. The observed results demonstrated that performing regular exercise is associated with effective psychosocial and physiological recovery after BCD.