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Diaphragm ultrasound: here's how its done

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2 papers 100 to 500 followers
By Jason Mann No BS pulmonary critical care fellow
Sanford Levine, Taitan Nguyen, Nyali Taylor, Michael E Friscia, Murat T Budak, Pamela Rothenberg, Jianliang Zhu, Rajeev Sachdeva, Seema Sonnad, Larry R Kaiser, Neal A Rubinstein, Scott K Powers, Joseph B Shrager
BACKGROUND: The combination of complete diaphragm inactivity and mechanical ventilation (for more than 18 hours) elicits disuse atrophy of myofibers in animals. We hypothesized that the same may also occur in the human diaphragm. METHODS: We obtained biopsy specimens from the costal diaphragms of 14 brain-dead organ donors before organ harvest (case subjects) and compared them with intraoperative biopsy specimens from the diaphragms of 8 patients who were undergoing surgery for either benign lesions or localized lung cancer (control subjects)...
March 27, 2008: New England Journal of Medicine
Dimitrios Matamis, Eleni Soilemezi, Matthew Tsagourias, Evangelia Akoumianaki, Saoussen Dimassi, Filippo Boroli, Jean-Christophe M Richard, Laurent Brochard
The use of ultrasonography has become increasingly popular in the everyday management of critically ill patients. It has been demonstrated to be a safe and handy bedside tool that allows rapid hemodynamic assessment and visualization of the thoracic, abdominal and major vessels structures. More recently, M-mode ultrasonography has been used in the assessment of diaphragm kinetics. Ultrasounds provide a simple, non-invasive method of quantifying diaphragmatic movement in a variety of normal and pathological conditions...
May 2013: Intensive Care Medicine
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