Abstract
BackgroundFluoroscopy is considered the most accurate method to evaluate the diaphragm, yet most existing methods for measuring diaphragmatic mobility using fluoroscopy are complex. To assess the validity and reliability of a new evaluation method of diaphragmatic motion using fluoroscopy by digital radiography of healthy adults.MethodsTwenty-six adults were evaluated, according to the parameters: anthropometry and pulmonary function test. The evaluation of diaphragm mobility by means of fluoroscopy by digital radiography method was randomly conducted by two raters (A and B). The Pearson correlation coefficient and the intraclass correlation coefficient (ICC) were used to assess the concurrent validity. The inter-rater and intra-rater reliability of the measurement of diaphragmatic motion was determined using ICC and a confidence interval of 95%.ResultsThere was a relationship in the assessment of the concurrent validity. There was good inter-rater reliability for right hemidiaphragm mobility and moderate reliability for left hemidiaphragm in the first assessment. In the second assessment, there was good reliability for the mobility of both hemidiaphragms. There was good intra-rater reliability in the mobility of both hemidiaphragms for raters A and B.ConclusionThe evaluation of diaphragmatic motion using fluoroscopy by digital radiography proved to be a valid and reliable method of healthy adults.
Highlights
Fluoroscopy is considered the most accurate method to evaluate the diaphragm, yet most existing methods for measuring diaphragmatic mobility using fluoroscopy are complex
Since fluoroscopy assesses diaphragm motion in real time [5], and the ways reported in the literature for measuring diaphragm mobility by means of fluoroscopy are complex [10,11,12,13], and there is no literature studies investigating its validity and reliability, we propose creating a new method and a new measurement procedure that is much more obtained in clinical practice, using fluoroscopy by digital radiography
A high correlation was found between Digital measurement of diaphragmatic mobility (DMdig) and Diaphragmatic mobility by distance (DMdist) for the mobility of the right hemidiaphragm (RH) (r = 0.97, p = 0.00) and the left one (LH)
Summary
Fluoroscopy is considered the most accurate method to evaluate the diaphragm, yet most existing methods for measuring diaphragmatic mobility using fluoroscopy are complex. To assess the validity and reliability of a new evaluation method of diaphragmatic motion using fluoroscopy by digital radiography of healthy adults. In clinical practice it is essential to use valid and reliable methods for assessing diaphragmatic dysfunction, because the use of subjective methods may compromise the results. Considering all the methods for evaluating diaphragmatic mobility, the fluoroscopy is the most accurade method for assessing the diaphragm muscle because it provides dynamic images of the diaphragm and direct visualization of diaphragmatic movements in real time [5]. There are no studies confirming the validity and reliability of digital radiography fluoroscopy to assess diaphragmatic excursion
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