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Restriction of in vivo infection by antifouling coating on urinary catheter with controllable and sustained silver release: a proof of concept study

Overview of attention for article published in BMC Infectious Diseases, August 2018
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Title
Restriction of in vivo infection by antifouling coating on urinary catheter with controllable and sustained silver release: a proof of concept study
Published in
BMC Infectious Diseases, August 2018
DOI 10.1186/s12879-018-3296-1
Pubmed ID
Authors

Kedar Diwakar Mandakhalikar, Rong Wang, Juwita N. Rahmat, Edmund Chiong, Koon Gee Neoh, Paul A. Tambyah

Abstract

Catheter Associated Urinary Tract Infections are among the most common urological infections world-wide. Bacterial biofilms and encrustation cause significant complications in patients with urinary catheters. The objective of the study is to demonstrate the efficacy and safety of an anti-microbial and anti-encrustation silver nanoparticle (AgNP) coating on silicone urinary catheter in two different animal models. Antifouling coating (P3) was prepared with alternate layers of polydopamine and AgNP and an outermost antifouling layer. Sixteen C57BL/6 female mice and two female PWG Micropigs® were used to perform the experiments. In mice, a 5 mm long silicone catheter with or without P3 was transurethrally placed into the urinary bladder. Micropigs were transurethrally implanted - one with P3 silicone catheter and the other with commercially available silver coated silicone catheter. Both models were challenged with E. coli. Bacteriuria was evaluated routinely and upon end of study (2 weeks for mice, 3 weeks for micropigs), blood, catheters and bladders were harvested and analysed for bacterial colonization and encrustation as well as for toxicity. Lower bacterial colonization was seen on P3 catheters as well as in bladders of animals with P3 catheter. Bacteriuria was consistently less in mice with P3 catheter than with uncoated catheters. Encrustation was lower on P3 catheter and in bladder of micropig with P3 catheter. No significant toxicity of P3 was observed in mice or in micropig as compared to controls. The numbers were small in this proof of concept study and technical issues were noted especially with the porcine model. Antifouling P3 coating reduces bacterial colonization on catheter and in animal bladders without causing any considerable toxicity for 2 to 3 weeks. This novel coating could potentially reduce the complications of indwelling urethral catheters.

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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 54 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 54 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 8 15%
Student > Bachelor 8 15%
Researcher 5 9%
Other 4 7%
Student > Master 4 7%
Other 6 11%
Unknown 19 35%
Readers by discipline Count As %
Medicine and Dentistry 5 9%
Biochemistry, Genetics and Molecular Biology 5 9%
Agricultural and Biological Sciences 4 7%
Nursing and Health Professions 4 7%
Pharmacology, Toxicology and Pharmaceutical Science 4 7%
Other 10 19%
Unknown 22 41%
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 09 August 2018.
All research outputs
#15,016,514
of 23,099,576 outputs
Outputs from BMC Infectious Diseases
#4,157
of 7,751 outputs
Outputs of similar age
#198,494
of 330,726 outputs
Outputs of similar age from BMC Infectious Diseases
#77
of 169 outputs
Altmetric has tracked 23,099,576 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 7,751 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.3. This one is in the 41st percentile – i.e., 41% 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 330,726 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 169 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 50% of its contemporaries.