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Acute effects of intradialytic aerobic exercise on solute removal, blood gases and oxidative stress in patients with chronic kidney disease

Overview of attention for article published in Jornal Brasileiro de Nefrologia, April 2017
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Title
Acute effects of intradialytic aerobic exercise on solute removal, blood gases and oxidative stress in patients with chronic kidney disease
Published in
Jornal Brasileiro de Nefrologia, April 2017
DOI 10.5935/0101-2800.20170022
Pubmed ID
Authors

Joseane Böhm, Mariane Borba Monteiro, Francini Porcher Andrade, Francisco Veríssimo Veronese, Fernando Saldanha Thomé

Abstract

Hemodialysis contributes to increased oxidative stress and induces transitory hypoxemia. Compartmentalization decreases the supply of solutes to the dialyzer during treatment. The aim of this study was to investigate the acute effects of intradialytic aerobic exercise on solute removal, blood gases and oxidative stress in patients with chronic kidney disease during a single hemodialysis session. Thirty patients were randomized to perform aerobic exercise with cycle ergometer for lower limbs during 30 minutes with intensity between 60-70% of maximal heart rate, or control group (CG). Blood samples were collected prior to and immediately after exercise or the equivalent time in CG. Analysis of blood and dialysate biochemistry as well as blood gases were performed. Mass removal and solute clearance were calculated. Oxidative stress was determined by lipid peroxidation and by the total antioxidant capacity. Serum concentrations of solutes increased with exercise, but only phosphorus showed a significant elevation (p = 0.035). There were no significant changes in solute removal and in the acid-base balance. Both oxygen partial pressure and saturation increased with exercise (p = 0.035 and p = 0.024, respectivelly), which did not occur in the CG. The total antioxidant capacity decreased significantly (p = 0.027). The acute intradialytic aerobic exercise increased phosphorus serum concentration and decreased total antioxidant capacity, reversing hypoxemia resulting from hemodialysis. The intradialytic exercise did not change the blood acid-base balance and the removal of solutes. A hemodiálise contribui para aumentar o estresse oxidativo e induz a hipoxemia transitória. A compartimentalização dos solutos diminui sua oferta para o dialisador durante o tratamento. O objetivo deste estudo foi investigar os efeitos agudos do exercício aeróbio intradialítico sobre a remoção de solutos, gasometria e estresse oxidativo em pacientes com doença renal crônica durante uma sessão de hemodiálise. Trinta pacientes foram randomizados para realizar exercício aeróbio com cicloergômetro para membros inferiores durante 30 minutos com intensidade entre 60-70% da frequência cardíaca máxima, ou grupo controle (GC). Amostras sanguíneas foram coletadas antes e imediatamente após o término do exercício ou no período equivalente no GC. Análises da bioquímica do sangue e dialisato e gasometria foram realizadas. A massa removida e a depuração dos solutos foram calculadas. O estresse oxidativo foi determinado pela peroxidação lipídica e capacidade antioxidante total. As concentrações séricas dos solutos aumentaram com o exercício, mas somente o fósforo mostrou elevação significativa (p = 0.035). Não houve modificações significantes na remoção de solutos e no equilíbrio ácido-básico. A pressão parcial e a saturação de oxigênio aumentaram com o exercício (p = 0.035 e p = 0.024, respectivamente), o que não ocorreu no GC. A capacidade antioxidante total diminuiu significativamente (p = 0.027). O exercício aeróbico intradialítico agudo aumentou a concentração sérica de fósforo e diminuiu a capacidade antioxidante total, revertendo a hipoxemia resultante da hemodiálise. O exercício intradialítico não alterou o equilíbrio ácido-básico e a remoção de solutos.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 111 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 111 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 16 14%
Student > Master 11 10%
Student > Doctoral Student 8 7%
Student > Postgraduate 7 6%
Other 6 5%
Other 14 13%
Unknown 49 44%
Readers by discipline Count As %
Nursing and Health Professions 20 18%
Medicine and Dentistry 13 12%
Sports and Recreations 13 12%
Biochemistry, Genetics and Molecular Biology 5 5%
Engineering 2 2%
Other 6 5%
Unknown 52 47%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 02 August 2018.
All research outputs
#15,070,619
of 25,382,440 outputs
Outputs from Jornal Brasileiro de Nefrologia
#105
of 365 outputs
Outputs of similar age
#166,921
of 323,433 outputs
Outputs of similar age from Jornal Brasileiro de Nefrologia
#1
of 1 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 40th percentile – i.e., 40% of other outputs scored the same or lower than it.
So far Altmetric has tracked 365 research outputs from this source. They receive a mean Attention Score of 2.5. This one has gotten more attention than average, scoring higher than 71% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 323,433 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 1 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them