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Clinical and epidemiological aspects of microcephaly in the state of Piauí, northeastern Brazil, 2015–2016

Overview of attention for article published in Jornal de Pediatria, July 2019
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Title
Clinical and epidemiological aspects of microcephaly in the state of Piauí, northeastern Brazil, 2015–2016
Published in
Jornal de Pediatria, July 2019
DOI 10.1016/j.jped.2018.04.013
Pubmed ID
Authors

Isabel Marlúcia Lopes Moreira de Almeida, Carmen Viana Ramos, Danielle Carvalho Rodrigues, Amanda Carvalho de Sousa, Maria de Lourdes Cristina Alcântara Paz Carvalho do Nascimento, Marcos Vilhena Bittencourt da Silva, Francisca Miriane Araújo Batista, Jéssica Pereira dos Santos, Roselane Sampaio de Oliveira, Filipe Augusto de Freitas Soares, Samanta Cristina das Chagas Xavier, Filipe Anibal Carvalho-Costa

Abstract

To describe aspects of the microcephaly epidemic in the state of Piauí. All cases of congenital microcephaly confirmed in the state between 2015 and 2016 were included (n=100). Investigation forms of the Regional Reference Center for Microcephaly were reviewed. Discarded cases (n=63) were used as a comparison group. In October, November, and December 2015 incidence rates reached 4.46, 6.33 and 3.86/1000 live births, respectively; 44 cases were reported in the state capital. Among the mothers of confirmed and discarded cases, the frequency of skin rash during pregnancy was 50/97 (51.5%) and 8/51 (15.7%), respectively (p<0.001); 33 confirmed cases (35.9%) had a head circumference z-score between -2 and -3, 23 (25%) between -3 and -4, and 8 (8.7%) had a z-score of less than -4. Head computer tomography scans revealed calcifications in 78/95 (82.1%) cases. Lissencephaly, hydrocephalus and agenesis of the corpus callosum were also frequently observed. Ophthalmic findings included retinal pigment epithelium rarefaction and atrophy. Absence of otoacoustic emissions was observed in 21/70 cases. One newborn also presented lower limb muscle atrophy. There were no significant differences in vaccination rates for influenza, diphtheria-tetanus-acellular pertussis, and hepatitis B in either group. The state of Piauí, like others in the northeastern region, faced an epidemic of congenital microcephaly between 2015 and 2016, presumably related to congenital Zika virus infection, more intense in the capital. Current challenges include the improvement of vector control, basic research, scaling-up of diagnostic tools for pre-natal screening of Zika virus, vaccines, and health care for affected children.

Twitter Demographics

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

Mendeley readers

The data shown below were compiled from readership statistics for 81 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 81 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 18 22%
Researcher 8 10%
Student > Doctoral Student 8 10%
Student > Bachelor 8 10%
Student > Postgraduate 6 7%
Other 15 19%
Unknown 18 22%
Readers by discipline Count As %
Medicine and Dentistry 21 26%
Nursing and Health Professions 9 11%
Neuroscience 4 5%
Agricultural and Biological Sciences 4 5%
Social Sciences 3 4%
Other 15 19%
Unknown 25 31%

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 04 August 2018.
All research outputs
#12,671,482
of 16,600,302 outputs
Outputs from Jornal de Pediatria
#414
of 661 outputs
Outputs of similar age
#193,825
of 280,423 outputs
Outputs of similar age from Jornal de Pediatria
#4
of 6 outputs
Altmetric has tracked 16,600,302 research outputs across all sources so far. This one is in the 20th percentile – i.e., 20% of other outputs scored the same or lower than it.
So far Altmetric has tracked 661 research outputs from this source. They receive a mean Attention Score of 3.5. This one is in the 33rd percentile – i.e., 33% 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 280,423 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 25th percentile – i.e., 25% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 6 others from the same source and published within six weeks on either side of this one. This one has scored higher than 2 of them.