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Comparison of three early biomarkers for acute kidney injury after cardiac surgery under cardiopulmonary bypass

Overview of attention for article published in Journal of Intensive Care, June 2016
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Title
Comparison of three early biomarkers for acute kidney injury after cardiac surgery under cardiopulmonary bypass
Published in
Journal of Intensive Care, June 2016
DOI 10.1186/s40560-016-0164-1
Pubmed ID
Authors

Takahiro Moriyama, Shintaro Hagihara, Toko Shiramomo, Misaki Nagaoka, Shohei Iwakawa, Yuichi Kanmura

Abstract

Acute kidney injury (AKI) is a serious complication after cardiac surgery, being associated with a high mortality. We assessed three urinary biomarkers, L-type fatty acid-binding protein (L-FABP), neutrophil gelatinase-associated lipocalin (NGAL), and angiotensinogen, which are elevated through different mechanisms, and investigated which of these biomarkers was the earliest and most useful indicator of AKI after cardiac surgery. This study was a prospective observational study conducted at a single-institution university hospital. All patients were adults aged under 80 years who underwent cardiac surgery with cardiopulmonary bypass between November 2013 and January 2015. Perioperatively, urine samples were obtained from all patients at five points. Based on AKI criteria, patients were divided into two groups: AKI group (n = 11) and non-AKI group (n = 39), according to postoperative serum creatinine (Cr) levels. Urinary L-FABP, NGAL, angiotensinogen, and Cr were measured perioperatively. L-FABP was significantly higher in the AKI group than in the non-AKI group at the end of surgery and 3 h after surgery. L-FABP levels were 601.5 ± 341.7 and 233.8 ± 127.2 μg/g Cr in the AKI and non-AKI groups, respectively. Three hours after surgery, NGAL levels were 950.5 ± 827.9 and 430.0 ± 250.6 μg/g Cr in the AKI and non-AKI groups, respectively, the level being significantly higher in the AKI group than in the non-AKI group. There were no significant differences in urinary angiotensinogen levels between the two groups at any time point. We demonstrated the utility of L-FABP and NGAL, but not angiotensinogen in the early recognition of AKI. The problem of the different peak points among biomarkers needs to be resolved for discovery of a panel of biomarkers.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 33 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 33 100%

Demographic breakdown

Readers by professional status Count As %
Student > Postgraduate 6 18%
Researcher 4 12%
Other 3 9%
Student > Bachelor 3 9%
Student > Master 2 6%
Other 5 15%
Unknown 10 30%
Readers by discipline Count As %
Medicine and Dentistry 14 42%
Veterinary Science and Veterinary Medicine 2 6%
Unspecified 1 3%
Nursing and Health Professions 1 3%
Decision Sciences 1 3%
Other 3 9%
Unknown 11 33%
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 05 July 2016.
All research outputs
#13,240,131
of 22,879,161 outputs
Outputs from Journal of Intensive Care
#317
of 516 outputs
Outputs of similar age
#182,351
of 353,105 outputs
Outputs of similar age from Journal of Intensive Care
#8
of 16 outputs
Altmetric has tracked 22,879,161 research outputs across all sources so far. This one is in the 41st percentile – i.e., 41% of other outputs scored the same or lower than it.
So far Altmetric has tracked 516 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 11.7. This one is in the 36th percentile – i.e., 36% of its peers scored the same or lower than it.
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 353,105 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 16 others from the same source and published within six weeks on either side of this one. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.