Santos Yamaguti's scientific contributions
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Publications (2)
Objective: To determine whether COPD patients with diaphragmatic dysfunction present higher risk of mortality than do those without such dysfunction. Methods: We evaluated pulmonary function, diaphragm mobility and quality of life, as well as determining the Body mass index, airway Obstruction, Dyspnea, and Exercise capacity (BODE) index, in 42 COP...
Objective: To assess, using ultrasound, the effects that changes in body position have on diaphragmatic mobility in healthy subjects during spontaneous breathing. Methods: The study involved seven healthy female volunteers, all of whom were nonsmokers, well nourished, and free of any cardiopulmonary disease. They were submitted to pulmonary functio...
Citations
... COPD patients present differences on type I and type II fibers, which indicates aerobic adaptation of the diaphragm regarding the disease and insufficiency to restore the ability to generate strength and endurance at normal levels, thus increasing its mechanical load. 5,6,18 .On animal models, the diaphragmatic electrical stimulation at 50 Hz frequency; TON/TOFF (contraction/relaxation time): 2/2 s; pulse duration: 0.4 ms, intensity: 5 mA to 1 mA with increase every three minutes for 20 minutes, by surface electrode, during seven days, caused changes in prevalence of diaphragm muscle fibers of Wistar male rats. Type I fibers reduced 19.5% and type II fibers increased almost 50%. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/277198712918024-1443100731685_Q64/Joao-Salge.jpg)
