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Diagnosis of acute canine leptospirosis using multiple laboratory tests and characterization of the isolated strains

Overview of attention for article published in BMC Veterinary Research, July 2018
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Title
Diagnosis of acute canine leptospirosis using multiple laboratory tests and characterization of the isolated strains
Published in
BMC Veterinary Research, July 2018
DOI 10.1186/s12917-018-1547-4
Pubmed ID
Authors

Bruno Alonso Miotto, Barbara Furlan Tozzi, Manoela de Souza Penteado, Aline Gil Alves Guilloux, Luisa Zanolli Moreno, Marcos Bryan Heinemann, Andrea Micke Moreno, Walter Lilenbaum, Mitika Kuribayashi Hagiwara

Abstract

Dogs presenting with acute leptospirosis may present non-specific clinical and laboratory findings, and the definitive diagnosis may require additional confirmatory tests, including bacterial culture, for the direct or indirect identification of the pathogen. The present study describes the diagnosis of leptospirosis in suspected dogs based on the use of multiple diagnostic tests, including serological, molecular and bacteriological tests, along with the characterization of the recovered leptospiral strains. Urine, serum and blood samples were collected from 33 dogs with suspected clinical leptospirosis treated at the University of São Paulo Veterinary Hospital Service (Hovet FMVZ-USP) between 2013 and 2016. Only dogs with high blood urea nitrogen and creatinine levels in association with multiple clinical manifestations of the disease were included. Leptospiral culture, PCR and serology (Microscopic agglutination test - MAT) were performed in blood and urine samples taken from all suspected dogs at clinical presentation, and an additional prospective MAT titration was performed in seven dogs. Infection could be identified exclusively by PCR in 10 dogs (30.3%), exclusively by MAT in four dogs (12.1%) and by both tests in four dogs, totaling 18 dogs (54.5-95%CI: 37.6-71.5). Six out of eight MAT-confirmed cases presented with the highest titers against the Icterohaemorrhagiae serogroup. Leptospires were recovered from urine samples from two PCR-positive dogs, and both strains could be characterized by Multilocus Sequence Analysis and serogrouping as L. interrogans serogroup Icterohaemorrhagiae. Both isolates were shown to be pathogenic in the hamster model. The simultaneous use of MAT and PCR was able to increase the diagnosis of leptospirosis in clinically suspected cases. Despite the increasing incidence of new serovars affecting dogs being reported in different locations, our results suggest that leptospiral strains belonging to the Icterohaemorrhagiae serogroup are still a major causative agent of canine leptospirosis in São Paulo, Brazil.

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The data shown below were collected from the profiles of 4 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 190 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 190 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 28 15%
Student > Bachelor 23 12%
Student > Ph. D. Student 14 7%
Student > Doctoral Student 13 7%
Other 11 6%
Other 30 16%
Unknown 71 37%
Readers by discipline Count As %
Veterinary Science and Veterinary Medicine 60 32%
Agricultural and Biological Sciences 17 9%
Medicine and Dentistry 10 5%
Biochemistry, Genetics and Molecular Biology 7 4%
Immunology and Microbiology 5 3%
Other 12 6%
Unknown 79 42%
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 16 October 2018.
All research outputs
#15,014,589
of 23,096,849 outputs
Outputs from BMC Veterinary Research
#1,258
of 3,079 outputs
Outputs of similar age
#179,452
of 296,625 outputs
Outputs of similar age from BMC Veterinary Research
#25
of 71 outputs
Altmetric has tracked 23,096,849 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,079 research outputs from this source. They receive a mean Attention Score of 3.9. This one has gotten more attention than average, scoring higher than 53% 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 296,625 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 71 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 57% of its contemporaries.