Beyond Dialysis: The Role of Yoga in Improving Patient Outcomes

Sir, We read with great interest the article by Bansal et al.[1] entitled “Impact of yoga intervention on maintenance hemodialysis (MHD) patients,” which examined the effects of a 3-month yoga program in patients undergoing MHD. The authors should be commended for addressing an important aspect of chronic kidney disease (CKD) care that is often underrepresented in clinical practice, namely the role of supportive nonpharmacological interventions aimed not only at physiological parameters, but also at quality of life and psychological well-being. Previous studies have increasingly demonstrated that mind–body interventions may improve symptom burden, emotional distress, sleep quality, and functional capacity in patients with chronic diseases, including CKD populations.[2,3] Patients receiving MHD face a substantial burden that extends far beyond the technical aspects of renal replacement therapy. In daily practice, fatigue, impaired mobility, chronic pain, emotional distress, and social limitations are highly relevant issues and often contribute significantly to reduced quality of life. Against this background, the focus on yoga as a complementary intervention appears both relevant and timely. The reported findings are really encouraging. After the completion of the intervention, the authors observed improvements in serum albumin, hemoglobin, and calcium levels, together with significant gains in several Kidney Disease Quality of Life 36-item (KDQOL-SF36) domains, including physical functioning, fatigue, emotional well-being, pain, and social functioning. These observations suggest that yoga may positively influence both physical and psychosocial aspects of chronic illness. Similar beneficial effects of yoga and related exercise interventions have previously been described in dialysis patients, particularly regarding fatigue reduction, depressive symptoms, and health-related quality of life.[4] One strength of the study is its emphasis on patient-centered outcomes. In dialysis populations, symptoms such as fatigue, reduced emotional well-being, and impaired social participation are not merely secondary concerns, but strongly influence adherence, resilience, and everyday functioning. It is therefore valuable that the study evaluated quality-of-life measures in addition to laboratory parameters. This broader focus on patient-reported outcomes is increasingly regarded as essential in modern nephrology care.[5] The intervention itself, consisting of yogic sukshma vyayama, selected asanas, breathing exercises, and Preksha meditation, also seems reasonably adaptable for a medically fragile patient population. The illustrations provided in the article suggest that most exercises were relatively low-impact and potentially feasible even for patients with limited physical reserve. Nevertheless, several methodological limitations need to be considered when interpreting these findings. The absence of a randomized control group represents the main limitation of the study. Because the investigation used a self-controlled interventional design, it remains uncertain to what extent the observed effects can be directly attributed to yoga itself rather than to nonspecific factors such as increased attention, patient motivation, or behavioral changes associated with participation in a structured program. Attrition is another relevant issue. Of the 75 patients initially counseled, only 32 completed the full 3-month follow-up. Although such dropout rates are understandable in dialysis populations, they introduce the possibility of selection bias, as patients able to complete the intervention may have been healthier, more motivated, or functionally less impaired. Some of the reported biochemical changes are also difficult to interpret independently from concurrent dialysis-related treatments and nutritional factors. Serum albumin is influenced by inflammation, hydration status, and nutritional intake and therefore cannot easily be linked to the intervention alone. Similarly, the increase in hemoglobin levels is interesting, but additional information regarding erythropoiesis-stimulating agents, iron supplementation, inflammatory status, or dialysis adequacy would have helped to better assess the independent contribution of yoga. Similar considerations apply to calcium and phosphorus levels, particularly in patients receiving phosphate binders, vitamin D analogs, or dietary counseling. From a nephrology perspective, more detailed characterization of the patient population would have strengthened the study. Information regarding dialysis vintage, residual renal function, vascular access, comorbidity burden, hospitalization history, nutritional status, and inflammatory markers would have provided additional clinical context. Moreover, inclusion of objective functional measures such as gait speed, frailty assessment, exercise tolerance, handgrip strength, or blood pressure variability could have improved the clinical interpretation of the findings. Such measures may be particularly relevant given the high prevalence of frailty and physical deconditioning among patients with CKD and long-term dialysis dependency.[6] Since the discussion refers to possible autonomic and neurophysiological mechanisms, future studies might also benefit from incorporating measures such as heart rate variability, sleep quality, anxiety scores, depressive symptoms, or validated stress scales. Safety aspects also deserve closer attention. Although the intervention appears practical and low-cost, the report provides only limited information regarding adverse events, musculoskeletal intolerance, exercise-related difficulties, or the need for individual modifications of the program. This point is particularly important in MHD patients, many of whom suffer from frailty, sarcopenia, neuropathy, bone-mineral disorders, or cardiovascular instability. For broader implementation in routine care, more detailed information regarding supervision requirements, tolerability, adherence, and individualized adaptation would be useful. Despite these limitations, the study contributes meaningfully to the ongoing discussion about more holistic and patient-oriented approaches in nephrology care. Dialysis treatment should not be evaluated exclusively through laboratory or adequacy parameters. For many patients, quality of life, emotional stability, functional independence, and social participation are equally important therapeutic goals. Complementary interventions such as yoga may help address some of these dimensions and may provide patients with a greater sense of participation and self-efficacy within a highly medicalized treatment environment. Integrative supportive strategies may therefore represent an important adjunct to conventional dialysis-centered management.[2,5] The findings also raise interesting practical questions for supportive nephrology care. Because the intervention appears relatively simple and potentially inexpensive, adapted yoga-based approaches might eventually be integrated into outpatient supportive care programs, telemedicine concepts, or even intradialytic supportive interventions. This may be particularly relevant in healthcare settings with limited access to multidisciplinary rehabilitation resources. However, broader implementation should be based on more rigorous evidence and standardized protocols with clearly defined safety criteria and training requirements. Further studies should also clarify which components of yoga-based interventions are most clinically relevant and feasible in routine nephrology practice.[3,6] The findings now need confirmation in larger randomized studies with longer follow-up and more appropriate comparator groups, including physiotherapy, stretching programs, or structured educational interventions. It would also be worthwhile to investigate clinically relevant endpoints such as hospitalization rates, intradialytic symptoms, blood pressure control, physical performance, treatment adherence, and potentially survival-related outcomes. It would also be interesting to determine whether certain subgroups, such as older patients, individuals with diabetes, pronounced fatigue, or depressive symptoms, derive greater benefit from these interventions. In conclusion, Bansal et al.[1] provide valuable preliminary evidence suggesting that yoga may represent a beneficial complementary intervention for patients undergoing MHD. Their work supports the growing recognition that effective CKD management should include not only technical dialysis care, but also interventions addressing physical, spiritual, and social aspects of chronic disease. Even with its limitations, the study adds important momentum to the discussion surrounding more integrative and patient-centered nephrology care. Financial support and sponsorship None. Conflicts of interest There are no conflicts of interest.