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Changes in respiratory mechanics during respiratory physiotherapy in mechanically ventilated patients

Overview of attention for article published in Revista Brasileira de Terapia Intensiva, April 2015
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  • Among the highest-scoring outputs from this source (#35 of 117)
  • Average Attention Score compared to outputs of the same age

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69 Mendeley
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Title
Changes in respiratory mechanics during respiratory physiotherapy in mechanically ventilated patients
Published in
Revista Brasileira de Terapia Intensiva, April 2015
DOI 10.5935/0103-507x.20150027
Pubmed ID
Authors

Moreira, Fernanda Callefe, Teixeira, Cassiano, Savi, Augusto, Xavier, Rogério, Moreira, Fernanda Callefe, Teixeira, Cassiano, Savi, Augusto, Xavier, Rogério

Abstract

To evaluate the changes in ventilatory mechanics and hemodynamics that occur in patients dependent on mechanical ventilation who are subjected to a standard respiratory therapy protocol. This experimental and prospective study was performed in two intensive care units, in which patients dependent on mechanical ventilation for more than 48 hours were consecutively enrolled and subjected to an established respiratory physiotherapy protocol. Ventilatory variables (dynamic lung compliance, respiratory system resistance, tidal volume, peak inspiratory pressure, respiratory rate, and oxygen saturation) and hemodynamic variables (heart rate) were measured one hour before (T-1), immediately after (T0) and one hour after (T+1) applying the respiratory physiotherapy protocol. During the period of data collection, 104 patients were included in the study. Regarding the ventilatory variables, an increase in dynamic lung compliance (T-1 = 52.3 ± 16.1mL/cmH2O versus T0 = 65.1 ± 19.1mL/cmH2O; p < 0.001), tidal volume (T-1 = 550 ± 134mL versus T0 = 698 ± 155mL; p < 0.001), and peripheral oxygen saturation (T-1 = 96.5 ± 2.29% versus T0 = 98.2 ± 1.62%; p < 0.001) were observed, in addition to a reduction of respiratory system resistance (T-1 = 14.2 ± 4.63cmH2O/L/s versus T0 = 11.0 ± 3.43cmH2O/L/s; p < 0.001), after applying the respiratory physiotherapy protocol. All changes were present in the assessment performed one hour (T+1) after the application of the respiratory physiotherapy protocol. Regarding the hemodynamic variables, an immediate increase in the heart rate after application of the protocol was observed, but that increase was not maintained (T-1 = 88.9 ± 18.7 bpm versus T0 = 93.7 ± 19.2bpm versus T+1 = 88.5 ± 17.1bpm; p < 0.001). Respiratory therapy leads to immediate changes in the lung mechanics and hemodynamics of mechanical ventilation-dependent patients, and ventilatory changes are likely to remain for at least one hour.

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

Geographical breakdown

Country Count As %
Unknown 69 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 21 30%
Student > Master 17 25%
Professor 3 4%
Other 3 4%
Student > Postgraduate 3 4%
Other 4 6%
Unknown 18 26%
Readers by discipline Count As %
Nursing and Health Professions 24 35%
Medicine and Dentistry 15 22%
Sports and Recreations 2 3%
Arts and Humanities 1 1%
Agricultural and Biological Sciences 1 1%
Other 3 4%
Unknown 23 33%

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 July 2015.
All research outputs
#2,819,325
of 5,310,041 outputs
Outputs from Revista Brasileira de Terapia Intensiva
#35
of 117 outputs
Outputs of similar age
#103,355
of 187,636 outputs
Outputs of similar age from Revista Brasileira de Terapia Intensiva
#2
of 2 outputs
Altmetric has tracked 5,310,041 research outputs across all sources so far. This one is in the 33rd percentile – i.e., 33% of other outputs scored the same or lower than it.
So far Altmetric has tracked 117 research outputs from this source. They receive a mean Attention Score of 1.1. This one has gotten more attention than average, scoring higher than 58% 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 187,636 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 2 others from the same source and published within six weeks on either side of this one.