Adherence to exercise Adjuvant therapy Breast cancer
Cardiopulmonary responsesCardiopulmonary responses to an 8-week moderate-intensity aerobic exercise intervention and adherence to exercise during and after intervention were assessed in 41 women newly diagnosed with breast cancer undergoing adjuvant therapy. The intervention was primarily aimed at minimizing deconditioning. Women were randomly assigned to the intervention or control group, completed graded exercise tests before and after intervention, and encouraged to continue their exercise postintervention. Over time, only the intervention group showed significant decreases in resting heart rate, resting systolic blood pressure (SBP), P G .05 each, and maximum SBP, P G .02, and an increase in VO 2 peak, P G .001, although resting SBP was higher in the intervention group at both timepoints, P G .05. The adherence rate to 8-week exercise intervention was 78.3% with average weekly attendance of 2.4 sessions and 42.7 minutes (27.8 minutes within target heart rate) exercise per session. Overall physical activity levels over 16 weeks postintervention did not differ between 2 groups. However, the within-group analysis indicated that only the intervention group showed a significant increase in voluntary activity, P G .02, and energy expenditure, P G .02, and a decrease in sedentary activity, P G .02. These findings indicate that moderate-intensity aerobic exercise is beneficial in reducing deconditioning of cardiopulmonary responses in newly diagnosed breast cancer women undergoing adjuvant therapy.156 n Cancer Nursing TM
Bullying is a serious public health problem, and many studies have examined the effect of school-based anti-bullying programs. However, these programs and those outcomes are complex, broad, and diverse. Research is needed into the optimal strategies for these comprehensive programs, which consider both the effectiveness and cost of programs. We performed a meta-analysis of 13 studies using the Comprehensive Meta-Analysis software package to calculate effect size (ES) and the Q statistic. We conducted subgroup analyses to examine the differences based on student grade level, program duration, and program strategy. The pooled ES calculation indicated that school-based anti-bullying programs have a small to moderate effect on victimization. The results of the Q test indicated significant heterogeneity across studies of victimization (Q = 39.625; I (2) = 69.7%; p < .001). Studies involving training in emotional control (p < .01), peer counseling (p < .05), or the establishment of a school policy on bullying (p < .05) showed significantly larger ESs on victimization than did studies that did not involve these strategies. Effective school-based anti-bullying programs should include training in emotional control, peer counseling, and the establishment of a school policy on bullying.
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