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Abdominal aortic calcification is not superior over other vascular calcification in predicting mortality in hemodialysis patients: a retrospective observational study

Overview of attention for article published in BMC Nephrology, June 2013
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Title
Abdominal aortic calcification is not superior over other vascular calcification in predicting mortality in hemodialysis patients: a retrospective observational study
Published in
BMC Nephrology, June 2013
DOI 10.1186/1471-2369-14-120
Pubmed ID
Authors

Daqing Hong, Shukun Wu, Lei Pu, Fang Wang, Junru Wang, Zhengtong Wang, Hui Gao, Yue Zhang, Fei Deng, Guisen Li, Qiang He, Li Wang

Abstract

BACKGROUND: KDIGO (Kidney Disease: Improving Global Outcomes) guidelines recommend that a lateral abdominal radiograph should be performed to assess vascular calcification (VC) in dialysis patients. However, abdominal aortic calcification is a prevalent finding, and it remains unclear whether other anatomical areas of VC can predict mortality more accurately. METHODS: A total of 217 maintenance hemodialysis patients were enrolled at the Sichuan Provincial People's Hospital between July 2010 and March 2011. Radiographs of the abdomen, pelvis and hands were evaluated by a radiologist to evaluate the presence of VC. The correlation between different areas of VC and all-cause or cardiovascular mortality was analyzed using univariate and multivariate models. RESULTS: The prevalence of VC was 70.0% (152 patients), and most had abdominal aortic calcification (90.1%). During 26 +/- 7 months of follow-up, 37 patients died. The VC score was independently associated with patient mortality. VC observed on abdominal radiographs (abdominal aortic calcification) was associated with all-cause mortality in models adjusted for cardiovascular risk factors (HR, 4.69; 95%CI, 1.60-13.69) and dialysis factors (HR, 3.38; 95%CI, 1.18-9.69). VC in the pelvis or hands was associated with all-cause mortality in the model adjusted for dialysis factors. When three combinations of VC in different radiographs were included in models, the presence of abdominal VC was only significantly associated with all-cause mortality in the integrated model. VC in the abdomen and pelvis was associated with all-cause mortality in the model adjusted for cardiovascular factors and the integrated model, but neither was significantly associated with cardiovascular mortality. VC in all radiographs was significantly associated with a more than 6-fold risk of all-cause mortality and a more than 5-fold risk of cardiovascular mortality compared to patients without VC. CONCLUSIONS: VC in different arteries as shown on radiographs is associated with different levels of risk for mortality. The lateral abdominal radiograph may not be superior to other radiographs for predicting patient outcomes. Further research is needed to elucidate the effects of difference burdens of VC on patient outcomes.

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X Demographics

The data shown below were collected from the profiles of 2 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Russia 1 4%
Unknown 26 96%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 11%
Student > Postgraduate 3 11%
Student > Ph. D. Student 3 11%
Student > Doctoral Student 2 7%
Lecturer 2 7%
Other 8 30%
Unknown 6 22%
Readers by discipline Count As %
Medicine and Dentistry 14 52%
Nursing and Health Professions 2 7%
Economics, Econometrics and Finance 1 4%
Unspecified 1 4%
Psychology 1 4%
Other 1 4%
Unknown 7 26%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 04 December 2013.
All research outputs
#13,385,646
of 22,711,645 outputs
Outputs from BMC Nephrology
#1,041
of 2,457 outputs
Outputs of similar age
#104,113
of 197,554 outputs
Outputs of similar age from BMC Nephrology
#20
of 60 outputs
Altmetric has tracked 22,711,645 research outputs across all sources so far. This one is in the 39th percentile – i.e., 39% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,457 research outputs from this source. They receive a mean Attention Score of 4.7. This one has gotten more attention than average, scoring higher than 54% 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 197,554 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 60 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 58% of its contemporaries.