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Heart Rate Variability Correlates to Functional Aerobic Impairment in Hemodialysis Patients

Overview of attention for article published in Arquivos Brasileiros de Cardiologia, January 2015
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Title
Heart Rate Variability Correlates to Functional Aerobic Impairment in Hemodialysis Patients
Published in
Arquivos Brasileiros de Cardiologia, January 2015
DOI 10.5935/abc.20150039
Pubmed ID
Authors

Maria Angela Magalhães de Queiroz Carreira, André Barros Nogueira, Felipe Montes Pena, Marcio Galindo Kiuchi, Ronaldo Campos Rodrigues, Rodrigo da Rocha Rodrigues, Jorge Paulo Strogoff de Matos, Jocemir Ronaldo Lugon

Abstract

Autonomic dysfunction (AD) is highly prevalent in hemodialysis (HD) patients and has been implicated in their increased risk of cardiovascular mortality. To correlate heart rate variability (HRV) during exercise treadmill test (ETT) with the values obtained when measuring functional aerobic impairment (FAI) in HD patients and controls. Cross-sectional study involving HD patients and a control group. Clinical examination, blood sampling, transthoracic echocardiogram, 24-hour Holter, and ETT were performed. A symptom-limited ramp treadmill protocol with active recovery was employed. Heart rate variability was evaluated in time domain at exercise and recovery periods. Forty-one HD patients and 41 controls concluded the study. HD patients had higher FAI and lower HRV than controls (p<0.001 for both). A correlation was found between exercise HRV (SDNN) and FAI in both groups. This association was independent of age, sex, smoking, body mass index, diabetes, and clonidine or beta-blocker use, but not of hemoglobin levels. No association was found between FAI and HRV on 24-hour Holter or at the recovery period of ETT. Of note, exercise HRV was inversely correlated with FAI in HD patients and controls. (Arq Bras Cardiol. 2015; [online]. ahead print, PP.0-0).

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 41 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 41 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 1 2%
Student > Postgraduate 1 2%
Unknown 39 95%
Readers by discipline Count As %
Sports and Recreations 1 2%
Materials Science 1 2%
Unknown 39 95%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 20 May 2015.
All research outputs
#8,573,322
of 13,643,660 outputs
Outputs from Arquivos Brasileiros de Cardiologia
#194
of 513 outputs
Outputs of similar age
#123,610
of 231,374 outputs
Outputs of similar age from Arquivos Brasileiros de Cardiologia
#1
of 1 outputs
Altmetric has tracked 13,643,660 research outputs across all sources so far. This one is in the 23rd percentile – i.e., 23% of other outputs scored the same or lower than it.
So far Altmetric has tracked 513 research outputs from this source. They receive a mean Attention Score of 2.0. This one is in the 48th percentile – i.e., 48% of its peers scored the same or lower than it.
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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