Facultad de Ciencias de la Salud

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    Impact of COVID-19 pandemic on health-related quality of life and physical activity of patients in hemodialysis2022-11-04

    Chronic dialysis patients have an increased risk of severe COVID-19 infection-related complications. The aim of this study was to quantify the impact of the COVID-19 pandemic on healthrelated quality of life (HRQoL) and physical activity levels of patients undertaking hemodialysis (HD). This was an observational study that compared data from two periods of time, before the COVID-19 pandemic vs pandemic. We used the Medical Outcomes Survey Short Form (SF-36) to measure the HRQoL and the Human Activity Profile (HAP) questionnaire was used to measure the physical activity. Data were analyzed with a mixed ordinal linear regression. A total of 27 eligible participants were interviewed during COVID-19 pandemic (median age 78 years). The linear regression model showed that the pandemic, after controlling for the covariates age, comorbidity, albumin, and hemoglobin, had a significant impact on the HRQoL. Physical function (􀀀15.7) and social functioning subscales (􀀀28.0) worsened (p = 0.001), and the physical component scale also showed a significant decrease (􀀀3.6; p = 0.05). Time had a significant impact on the Human Activity Profile, with an average activity score diminished with the pandemic (􀀀13.9; p = 0.003). The COVID-19 pandemic had a very negative impact on HRQoL and physical activity level of subjects undertaking hemodialysis. Interventions to improve HRQoL and activity levels of patients undertaking HD are recommended.

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    Impact of an intradialysis virtual-reality-based exercise program on healthcare resources expenditure a micro-costing analysis2022-06-27

    Background: Engagement in exercise by haemodialysis (HD) patients has been shown to generate benefits both in terms of improved functional capacity and in the health-related quality of life. The use of non-immersive virtual reality (VR) games represents a new format for the implementation of intradialysis exercise. Some studies have shown that engaging in exercise for 6 months reduces the consumption of antihypertensive drugs and decreases the time spent admitted to hospital among individuals receiving HD treatments. The objective of this study was to evaluate changes in the consumption of healthcare resources and micro-costing for patients on HD who completed a VR exercise program. Materials and methods: Design: This study is a secondary analysis of a clinical trial. The participants performed an intradialysis exercise program with non-immersive virtual reality for 3 months. The variables were recorded in two periods: 12 months before and 12 months after the start of the exercise program. Results: The micro-costing analysis showed a significant decrease in the mean cost, in euros, for the consumption of laboratory tests − 330 (95% CI:[− 533, − 126];p = 0.003), outpatient visits − 351 ([− 566, − 135];p = 0.003), and radiology tests − 111 ([− 209, − 10];p = 0.03) in the 12 months after the implementation of the exercise program relative to the 12 months prior to its start. Conclusion: The implementation of intradialysis exercise programs decreased the expenditure of some healthcare resources. Future studies could help clarify if longer interventions would have a stronger impact on these cost reductions.

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    The relationship between physical activity levels and functional capacity in patients with advanced chronic kidney disease2021-03-28

    The purpose of this study is to assess whether the functional capacity of patients with chronic kidney disease stage V (CKD- 5D) is different depending on their physical activity levels. We also compared functional capacity, quality of life, and symptoms of depression depending on treatment modalities (HD vs. PD). A Cross-sectional study included 52 patients (35HD and 17PD; males 61.5%, mean age 71 years). The main measurements were physical activity level using the Human Activity Profile questionnaire (HAP), muscle strength, functional capacity, health-related quality of life (HRQoL), and depressive symptomatology. The functional tests and physical activity levels correlated significantly. Participants on HD with low physical activity levels were older (*p ≤ .039) and had worst physical function (*p ≤ .01). The HAP is a useful tool to detect subjects with low functional capacity; there were no differences between the therapy modalities in terms of functional capacity, HRQoL, or depressive symptomatology.

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    Comparison of intradialytic versus home-based exercise programs on physical functioning, physical activity level, adherence, and health-related quality of life: pilot study2020-05-19

    Intradialytic exercise (ID) programs are effective and safe for hemodialysis (HD) patients to avoid functional deterioration. However, exercise is not routinely undertaken in most HD units, and we do not know if home-based (HB) programs are as effective as ID programs. The purpose of this study was to compare the effects of 16 weeks of ID exercise versus a HB exercise program for HD patients. A total of 46 patients were randomly assigned to the ID group (n = 24) or HB group (n = 22). They completed a 16-week combined exercise program 3 times/week. We measured physical activity level, physical functioning, depression level, and health-related quality of life at baseline and after 16 weeks. A significant time effect was found in both groups for the physical activity level (p = 0.012). There was also a significant group–time interaction effect for the one-leg standing test (OLST) (p = 0.049) and a significant time effect for the Short Physical Performance Battery (p = 0.013), timed up-and-go test (p = 0.005), sit-to-stand-10 (p = 0.027), right and left hand handgrip (p = 0.044, p < 0.001), one-heel left leg raise (p = 0.019), and 6-minute walking (p = 0.006), depression (p = 0.017). HRQoL remained unchanged. There was no difference between the two interventions on the tested outcomes (besides OLST). Both interventions were associated with positive changes of the physical activity levels and physical function.