نتایج جستجو برای: functional indices
تعداد نتایج: 662545 فیلتر نتایج به سال:
Abstract Introduction In these past few years tricuspid valve (TV) got its appreciation due to the latest focus of complications driven by regurgitation (TR). Even though severe TR may require surgical repair, precise analyses performed 3D echocardiographic tools determine functional (FTR) are scarce. Aim To accuracy echo-derived TV parameters in predicting FTR. Methods Prospective observationa...
The velocity and acceleration of aortic blood flow were measured by means of a catheter velocity probe in 40 patients during routine diagnostic cardiac catheterization. Ten different variables were derived from the aortic velocity measurements, and their ability to discriminate between good and bad left ventricular (LV) function was tested. By means of eight conventional indices of LV function ...
Various resting-state fMRI (R-fMRI) measures have been developed to characterize intrinsic brain activity, while questions remain regarding the common and unique aspects these indices capture. The present work provided a comprehensive examination of inter-individual variation and intra-individual temporal variation for commonly used measures. Regardless of whether examining intra-individual or ...
Abandonment of arable lands is the starting point of vegetation succession. The trajectory and speed of succession can be different according to the time of abandonment. The aim of this study is to assess the effect of abandonment periods on species richness, diversity and functional groups in shrublands and grasslands of Shirmard rangelands in Chaharmahal va Bakhtiri, Iran. A total of 96 abond...
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