OBJECTIVES The aim of this study was to test the hypothesis that mitral valve (MV) enlargement occurring in chronic aortic regurgitation (AR) prevents functional mitral regurgitation (FMR). BACKGROUND Chronic AR causes left ventricular (LV) dilation, creating the potential for FMR. However, FMR is typically absent during compensated AR despite substantial LV enlargement. Increased mitral leaf...

OBJECT In this retrospective study the authors examined the aspect ratio (AR; the maximum dimension of the dome/width of the neck of an aneurysm) and compared the distribution of this ratio in a group of ruptured and unruptured aneurysms. A similar comparison was performed in relation to the maximum dimension of the aneurysm alone. The authors sought to evaluate the utility of these measures fo...

Recently, gate-all-around (GAA) nanowire field effect transistors (NWFETs) have attracted increasing attention due to their superior gate control and short channel effect immunity [1-4]. However, confined by the limitation of manufacturing process, the different aspect ratio (AR) results in different shapes of channel cross section, such as ellipse-shaped or rectangular-shaped instead of the id...

Introduction: In order to make a dimensional proportion between human and equipment or environment, anthropometric data bank is essential. Anthropometry has an important role in industrial management and ergonomic design. This information is needed to be collected regularly in every society. The purpose of this study was to determine arm length to height ratio according to gender in adult...

Abstract: New types of wideband circularly polarised (CP) squareand rectangular-loop antennas are developed and discussed. It is shown that the bandwidth for circular polarisation of a loop antenna can be significantly increased by adding a parasitic loop inside the original loop. The addition of the parasitic element can create one more minimum axial ratio (AR) point, which can appropriately c...

Background: Many pediatric transplant (TX) centers routinely monitor Epstein-Barr (EB) viral load (VL) by real time quantitative PCR and intervene to prevent post-transplant lymphoproliferative disorder (PTLD). Some children develop asymptomatic persistent VL (PVL). Outcome of different interventions in preventing PTLD and other undesired effects on acute rejection (AR), graft failure (GF) and ...

BACKGROUND The effects produced by transcranial direct current stimulation (tDCS) applied to the motor system have been widely studied in the past, chiefly focused on primary motor cortex (M1) excitability. However, the effects on functional tasks are less well documented. OBJECTIVE This study aims to evaluate the effect of tDCS-M1 on goal-oriented actions (i.e., arm-reaching movements; ARM),...

BACKGROUND Liver resection is the only potentially curative treatment for colorectal liver metastases (LM). It is considered a safe procedure, but is often associated with blood loss during liver transection. Blood transfusions are frequently needed, but they are associated with increased morbidity and risk of recurrence. Many surgical devices have been developed to decrease blood loss. However...

ZnO thin films were prepared by RF magnetron sputtering method on SiO2/Si(111) substrate at different ratio of Ar/O2, which were annealed at different annealing temperatures to improve the films’ quality. The effects of the ratio of Ar/O2 and annealing treatment on the ZnO films’ properties were discussed. The crystal structures and surface morphologies of ZnO thin films were characterized by X...