BACKGROUND Cerebral hyperperfusion syndrome is an important complication of carotid endarterectomy (CEA). An >100% increase in middle cerebral artery velocity (MCAV) after CEA is used to predict the cerebral hyperperfusion syndrome (CHS) development, but the accuracy is limited. The increase in blood pressure (BP) after surgery is a risk factor of CHS, but no study uses it to predict CHS. This ...

Bridge codes adopt values for dynamic allowance in traffic load models that are necessarily conservative to cover for an entire range of bridges with different mechanical characteristics, boundary conditions, and the large number of uncertainties associated to the vehicle-bridge interaction problem. A further level of conservatism occurs due to the independent manner in which the governing stat...

For river crossing bridges, the vehicle-induced vibration can be transmitted to bridge tower and foundation system. This induced low frequency underwater noise radiation cause great harm aquatic organisms. A suspension was selected study sound contribution spatial distribution of noise. bridge-sediment coupling finite element model developed, vehicle-bridge-sediment interaction analysis conduct...

Ongoing inspection and maintenance of bridges poses a challenging task for infrastructure owners who must manage large bridge stocks with limited budgets. Drive-by monitoring approaches, using sensors in vehicle, provide promising solution to this challenge. This paper investigates the use response at point-of-contact between tyre as means frequency. An expression is derived allow contact-point...

Lonza is a traditional Italian meat product made from whole pork muscles, which is typically cured by dry salting. In this work, we study the effects of vacuum brine impregnation (VBI) as an alternative salting method on the survival of Enterobacteriaceae, in presence and in absence of nitrites. In comparison with the traditional brining process, VBI contributed to reducing the Enterobacteriace...

The effect of illumination intensity and temperature on open circuit voltage Voc in organic photovoltaic devices has been investigated. Voc is observed to saturate at high illumination intensities. The illuminated J-V characteristics at different intensities intersect the dark characteristic at a single point. This intersection point is shown to be equal to the built-in voltage Vbi in the sampl...

BACKGROUND The purpose of our experiment was to determine whether laser stimulation can improve microcirculation in the posterior regions of the brain in patients with vertebrobasilar insufficiency (VBI). MATERIAL/METHODS We studied 25 patients (20 female, 5 male, mean age 64) diagnosed with chronic VBI. All were evaluated using the De Klyn test, followed by qualitative assessment of stabilit...

Amyotrophic lateral sclerosis (ALS) is characterized by progressive loss of upper and lower motor neurons. Advanced MRI techniques such as diffusion tensor imaging have shown great potential in capturing a common white matter pathology. However the sensitivity is variable and diffusion tensor imaging is not yet applicable to the routine clinical environment. Voxel-based morphometry (VBM) has re...

During hurricane events, large stress cycles from the non-stationary wind and dynamic vehicle loads could possibly induce damage initiations and propagations. Utilizing the non-stationary wind field modeling techniques and the recent developed vehicle-bridge-wind dynamic analysis framework, this paper initiates the bridge fatigue damage assessment of bridges under vehicle and non-stationary ext...