منابع مشابه
Diaphragm thickening during inspiration.
Ultrasound has been used to measure diaphragm thickness (Tdi) in the area where the diaphragm abuts the rib cage (zone of apposition). However, the degree of diaphragm thickening during inspiration reported as obtained by one-dimensional M-mode ultrasound was greater than that predicted by using other radiographic techniques. Because two-dimensional (2-D) ultrasound provides greater anatomic de...
متن کاملDiaphragm thickening fraction to predict weaning—a prospective exploratory study
Background Diaphragm ultrasound (DUS) is a well-established point of care modality for assessment of dimensional and functional aspects of the diaphragm. Amongst various measures, diaphragmatic thickening fraction (DTf) is more comprehensive. However, there is still uncertainty about its capability to predict weaning from mechanical ventilation (MV). The present prospective observational explor...
متن کاملPatterns of shortening and thickening of the human diaphragm.
To study how the human diaphragm changes configuration during inspiration, we simultaneously measured diaphragm thickening using ultrasound and inspired volumes using a pneumotachograph. Diaphragm length was assessed by chest radiography. We found that thickening and shortening were greatest during a breath taken primarily with the abdomen. However, the degree of thickening was greater than exp...
متن کاملComparison of clinical utility between diaphragm excursion and thickening change using ultrasonography to predict extubation success
BACKGROUND/AIMS Both diaphragmatic excursion and change in muscle thickening are measured using ultrasonography (US) to assess diaphragm function and mechanical ventilation weaning outcomes. However, which parameter can better predict successful extubation remains to be determined. The aim of this study was to compare the clinical utility of these two diaphragmatic parameters to predict extubat...
متن کاملIdentifying decreased diaphragmatic mobility and diaphragm thickening in interstitial lung disease: the utility of ultrasound imaging
OBJECTIVE To investigate the applicability of ultrasound imaging of the diaphragm in interstitial lung disease (ILD). METHODS Using ultrasound, we compared ILD patients and healthy volunteers (controls) in terms of diaphragmatic mobility during quiet and deep breathing; diaphragm thickness at functional residual capacity (FRC) and at total lung capacity (TLC); and the thickening fraction (TF,...
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ژورنال
عنوان ژورنال: Journal of Applied Physiology
سال: 1997
ISSN: 8750-7587,1522-1601
DOI: 10.1152/jappl.1997.83.1.291