Effects of yoga program on quality of life and affect in early breast cancer patients undergoing adjuvant radiotherapy: a randomized controlled trial.
ABSTRACT This study compares the effects of an integrated yoga program with brief supportive therapy in breast cancer outpatients undergoing adjuvant radiotherapy at a cancer centre.
Eighty-eight stage II and III breast cancer outpatients were randomly assigned to receive yoga (n = 44) or brief supportive therapy (n = 44) prior to their radiotherapy treatment. Intervention consisted of yoga sessions lasting 60 min daily while the control group was imparted supportive therapy once in 10 days. Assessments included European Organization for Research in the Treatment of Cancer-Quality of Life (EORTCQoL C30) functional scales and Positive and Negative Affect Schedule (PANAS). Assessments were done at baseline and after 6 weeks of radiotherapy treatment.
An intention to treat GLM repeated measures ANOVA showed significant difference across groups over time for positive affect, negative affect and emotional function and social function. There was significant improvement in positive affect (ES = 0.59, p = 0.007, 95%CI 1.25 to 7.8), emotional function (ES = 0.71, p = 0.001, 95%CI 6.45 to 25.33) and cognitive function (ES = 0.48, p = 0.03, 95%CI 1.2 to 18.5), and decrease in negative affect (ES = 0.84, p<0.001, 95%CI -13.4 to -4.4) in the yoga group as compared to controls. There was a significant positive correlation between positive affect with role function, social function and global quality of life. There was a significant negative correlation between negative affect with physical function, role function, emotional function and social function.
The results suggest a possible role for yoga to improve quality of life and affect in breast cancer outpatients.
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ABSTRACT: Previous studies have demonstrated health benefits of mindfulness-based interventions (MBIs) among cancer patients. While sustained mindfulness practice is an integral part of MBIs, few studies have examined the role of home practice on intervention outcomes. Also, little is known about characteristics of those who attend more classes and practice more yoga and meditation. Hence, this study investigated predictors and outcomes of engagement in a Mindfulness-Based Cancer Recovery (MBCR) program. Questionnaire data and home practice logs of 38 breast cancer survivors were collected before and after MBCR. A range of demographic, personality, and symptom-related factors were measured. Correlations and regression analyses were conducted. Only greater baseline anxiety was correlated with more home meditation practice (p p p p p p p p p Directionality and clinical significance of these changes need to be further investigated.Mindfulness 01/2015; DOI:10.1007/s12671-014-0381-4
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ABSTRACT: Little attention has been paid to the psychological determinants by which benefits are accrued via yoga practice in cancer-related clinical settings. Using a longitudinal multilevel modeling approach, associations between affect, mindfulness, and patient-reported mental health outcomes, including mood disturbance, stress symptoms, and health-related quality of life (HRQL), were examined in an existing seven-week yoga program for cancer survivors. Participants (N = 66) were assessed before and after the yoga program and at three- and six-month follow-ups. Decreases in mood disturbance and stress symptoms and improvements in HRQL were observed upon program completion. Improvements in mood disturbance and stress symptoms were maintained at the three- and six-month follow-ups. HRQL exhibited further improvement at the three-month follow-up, which was maintained at the six-month follow-up. Improvements in measures of well-being were predicted by initial positive yoga beliefs and concurrently assessed affective and mindfulness predictor variables. Previous yoga experience, affect, mindfulness, and HRQL were related to yoga practice maintenance over the course of the study.Evidence-based Complementary and Alternative Medicine 05/2013; 2013:419496. DOI:10.1155/2013/419496 · 2.18 Impact Factor
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ABSTRACT: Little guidance is available to assist researchers in developing treatment protocols for research on yoga for health concerns. Because yoga is a complex multifactorial mind-body discipline historically developed for nonmedical purposes, numerous decisions must be made in order to thoughtfully develop such protocols. In this paper, a systematic approach is proposed to assist researchers in selecting an intervention that is appropriate for the condition under consideration and explicitly developed. Researchers need to consider the type or "style" of yoga, the components to include (e.g., breathing exercises, postures) as well as the specific protocol for each component, the dose to be delivered (frequency, duration of practice, and the total duration of practice), and issues related to selection of instructors and monitoring the fidelity to the intervention. Each of these domains and the key issues for the development of protocols is discussed. Finally, some areas for further research related to protocol development are recommended.Evidence-based Complementary and Alternative Medicine 10/2012; 2012:143271. DOI:10.1155/2012/143271 · 2.18 Impact Factor