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Thoracoabdominal motion in newborns: Reliability between two interactive computing environments
Danielle C Gomes1, Ingrid G Azevedo2, Ana G de Figueiredo Araújo1
1Rehabilitation Sciences Graduate Program, Universidade Federal do Rio Grande do Norte, Santa Cruz, Rio Grande do Norte, Brazil.
Background:
Quantifying the chest wall is useful in documenting thoracoabdominal synchrony during the neonatal period. Subjective measures are often used rather than gold-standard methods due to their practicality in clinical practice. The aim of the present study is to compare the reliability between a newly proposed method (video analysis in MATLAB) and image analysis using AutoCad tools, both applied to assess thoracoabdominal motion in newborns (NBs).
Materials And Methods:
This is an observational cross-sectional study of full-term NBs. A digital camera was used to film thoracoabdominal motion for 2 minutes in the supine position, with movements measured by the two aforementioned methodologies.
Results:
A total of 139 images were used, showing agreement between AutoCAD and MATLAB (BIAS = -1.68; CI = -6.59:3.22, Bland-Altman plot).
Conclusion:
The programs were interchangeable and the routine developed in MATLAB was simpler and faster, allowing dynamic analysis and suggesting its clinical utility in quantifying respiratory motion in NBs.
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