The objective of this study was to examine the association between cardiovascular risk factors and physical activity parameters in patients with chronic kidney disease who are treated with peritoneal dialysis.

Chronic kidney disease (CKD) is defined as a progressive disease in which kidney function is permanently impaired for a period of at least three months, glomerular filtration rate falls below 60 milliliters per minute per 1.73 square meters of body surface area, and the kidneys are structurally or functionally damaged. As the kidneys' capacity to regulate fluid, electrolyte, and acid-base balance decreases substantially in the later stages of CKD, renal replacement therapy is necessary to maintain renal function. Peritoneal dialysis, a type of renal replacement therapy, involves the use of a specialized dialysis solution that is injected into the abdominal cavity to effectively remove waste materials and excess fluids from the body.

The risk of cardiovascular disease is higher in peritoneal dialysis (PD) patients compared to the general population. Therefore, it is critical to identify these risk factors and develop effective interventions to reduce the risk of mortality, increase adherence to treatment, and improve quality of life. Arterial stiffness, a pivotal factor, has been shown to markedly elevate the risk of cardiovascular disease in PD patients and is associated with fluid overload and vascular calcification.

Physical activity plays a significant role in the reduction of cardiovascular risk factors in patients with PD. Regular exercise has been shown to improve cardiovascular health, control obesity, lower blood pressure, improve lipid profile, enhance insulin sensitivity, and increase overall physical activity levels. Consequently, these factors contribute to a reduction in cardiovascular disease (CVD) risk in PD patients. A notable study has concluded that physical activity plays a pivotal role in cardiovascular health and possesses the potential to reduce the risk of cardiovascular disease (CVD) in kidney transplant patients. Notably, studies have highlighted that physical activity levels in peritoneal dialysis patients are often suboptimal due to socio-demographic factors, fatigue, pain, psychological problems, and a lack of knowledge about exercise. This underscores the need for further research in this area to elucidate effective strategies for promoting physical activity and enhancing cardiovascular health in PD patients.

The present study will include individuals with chronic kidney disease who are followed up by the Nephrology Outpatient Clinic of Dokuz Eylül University Research and Application Hospital and treated with peritoneal dialysis. The objective of the study is to examine the relationship between cardiovascular risk factors and physical activity parameters in chronic kidney disease patients treated with peritoneal dialysis. Patients who meet the specified criteria will be included in the study. A comprehensive collection of sociodemographic and clinical information will be conducted, followed by an evaluation of cardiovascular risk factors. Heart rate, blood pressure, waist circumference, body mass index, laboratory findings (lipid profile [total cholesterol level, LDL and HDL cholesterol, triglycerides], fasting glucose value, HbA1C value, hemoglobin, CRP, proteinuria, glomerular filtration rate (GFR)), smoking history, and risk percentage will be determined with the HeartScore scoring system. The IEM Mobil-O-Graph® device will be used for arterial stiffness measurement. The physical activity parameters will be evaluated using an accelerometer (Sensewear Armband device), and the relationship between them will be analyzed.

Inclusion Criteria:

• Diagnosed with chronic kidney disease
• Peritoneal dialysis treatment for at least three months
• Age ≥ 18

Exclusion Criteria:

• Mini Mental Test Score < 24
• Serious cardiovascular, pulmonary, or neurological conditions that make it impossible to wear an accelerometer
• Inability to walk independently
• Conditions affecting participation in daily life due to lower limb injury or surgery

Patients with chronic kidney disease who are followed up by the Nephrology Outpatient Clinic of Dokuz Eylül University Research and Application Hospital and treated with peritoneal dialysis will be included in the study.

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