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Pulmonary hypertension evaluation by Doppler echocardiogram in children and adolescents with mouth breathing syndrome

Overview of attention for article published in Brazilian Journal of Otorhinolaryngology, May 2017
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Title
Pulmonary hypertension evaluation by Doppler echocardiogram in children and adolescents with mouth breathing syndrome
Published in
Brazilian Journal of Otorhinolaryngology, May 2017
DOI 10.1016/j.bjorl.2016.03.020
Pubmed ID
Authors

Marcela Silva Lima, Carolina Maria Fontes Ferreira Nader, Letícia Paiva Franco, Zilda Maria Alves Meira, Flavio Diniz Capanema, Roberto Eustáquio Santos Guimarães, Helena Maria Gonçalves Becker

Abstract

Adenotonsillar hyperplasia (ATH) and allergic rhinitis (AR) are the most common causes of upper airway obstruction in children. Such diseases, by affecting the upper airways, can cause chronic alveolar hypoventilation, pulmonary vasoconstriction and pulmonary hypertension, which in some cases, are irreversible. This cross-sectional study aimed to evaluate the prevalence of pulmonary hypertension in two groups of mouth-breathing (MB) 2-12 year old children with ATH and isolated allergic rhinitis, through Doppler echocardiography. 54 patients with ATH and indications for adenoidectomy and/or tonsillectomy and 24 patients with persistent allergic rhinitis were selected and submitted to Doppler echocardiography. The Systolic Pulmonary Artery Pressure (SPAP) was determined by tricuspid regurgitation and the Mean Pulmonary Artery Pressure (MPAP) was calculated from the SPAP. Similar measurements were carried out in 25 nasal breathing (NB) individuals. The mean MPAP and SPAP were higher in the MB than in the NB group (17.62±2.06 [ATH] and 17.45±1.25 [AR] vs. 15.20±2.36 [NB] mmHg, p<0.005, and 25.61±3.38 [ATH] and 25.33±2.06 [AR] vs. 21.64±3.87 [NB] mmHg, p<0.005, respectively) and the mean acceleration time of pulmonary flow trace (Act) was higher in the NB than in the MB group (127.24±12.81 [RN] vs. 114.06±10.63ms [ATH] and 117.96±10.28 [AR] MS [AR]; p<0.0001). None of the MB children (ATH and AR) met the PH criteria, although individuals with both ATH and isolated AR showed significant evidence of increased pulmonary artery pressure by Doppler echocardiography in relation to NB individuals. No differences were observed between the ATH and AR groups.

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

Geographical breakdown

Country Count As %
Unknown 10 100%

Demographic breakdown

Readers by professional status Count As %
Student > Postgraduate 3 30%
Student > Doctoral Student 2 20%
Student > Bachelor 2 20%
Professor > Associate Professor 1 10%
Student > Master 1 10%
Other 0 0%
Unknown 1 10%
Readers by discipline Count As %
Medicine and Dentistry 4 40%
Nursing and Health Professions 1 10%
Business, Management and Accounting 1 10%
Biochemistry, Genetics and Molecular Biology 1 10%
Unknown 3 30%

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 July 2016.
All research outputs
#11,199,593
of 17,368,632 outputs
Outputs from Brazilian Journal of Otorhinolaryngology
#178
of 442 outputs
Outputs of similar age
#149,427
of 266,481 outputs
Outputs of similar age from Brazilian Journal of Otorhinolaryngology
#7
of 12 outputs
Altmetric has tracked 17,368,632 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 442 research outputs from this source. They receive a mean Attention Score of 2.7. This one has gotten more attention than average, scoring higher than 59% 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 266,481 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 12 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.