Background Mitral valve repair (MVR) shows clinical and economic superiority over mitral valve replacement in patients with dystrophic and rheumatic regurgitation, but outcomes are less certain in chronic ischemic mitral regurgitation (IMR). We hypothesize that MVR may have adverse effects on LV hemodynamics resulting from suboptimal annuloplasty geometry and post-repair mitral valve stenosis w...

The simulation of turbulent boundary layers requires quite detailed inflow information since the resolved flow is unsteady and three-dimensional. Rather than simulating laminar and transitional regions arising near a leading edge, it is often more computationally efficient to formulate a fully turbulent inflow condition. To date, three types of methods for creating appropriate inflow conditions...

Hepatic pseudolesions and pseudotumors of the third inflow area are sometimes encountered on imaging. Generally, differentiating these lesions of true hepatic neoplasm on radiological examinations is easy with the knowledge of common sites in the liver and characteristic indications of these lesions. However, they occasionally mimic hepatocellular carcinoma in various imaging modalities. In thi...

Riverbank filtration (RBF) consists of green drinking water production in many regions and is used as a pre-treatment phase. This study investigates the performance RBF Nile delta, Egypt, for climate change population growth scenarios 2030, 2040, 2050. presents new method predicting sharing riverbanks considering three cases: i) river stage controlling levels river, ii) increasing pumping, iii)...

Background Patients after atrioventricular septal defect (AVSD) repair have aberrant atrioventricular valve morphology resulting in a disorganized left ventricular (LV) inflow [1] with an increased amount of inflow reaching the apical level of the LV and retaining there during the subsequent systole [1]. This may elevate energy loss in LV flow due to friction. We aimed to evaluate the associati...

We discuss the options of the fall-back disk model of Anomalous X-Ray Pulsars (AXPs). We argue that the power-law index of the mass inflow rate during the propeller stage can be lower than those employed in earlier models. We take into account the effect of the super-critical mass inflow at the earliest stages on the inner radius of the disk and argue that the system starts as a propeller. Our ...

The deliverability of liquid-dominated geothermal reservoirs is presented in terms of reservoir performance, and wellbore performance. Water influx modeling is used to match the performance of Wairakei in New Zealand, arid Ahuachapan in El Salvador. The inflow performance is given in terms of a linear productivity index for liquid-only flow, and a solution-gas drive relationship for two-phase f...

The paper presents results of numerical and experimental analyses a fin-and-tube air-water heat exchanger. analysed device is one-row exchanger with finned elliptical tubes. aim the to investigate impact controlled non-uniform inflow air on performance. was modelled numerically using ANSYS Fluent program. developed model applied simulate operation in conditions uniform air. Cases an uncontrolle...

The secure and haemostatic implantation of the left ventricular assist device (LVAD) apex inflow cannula can sometimes be challenging, especially in the setting of an acute myocardial infarction or significant ventricular wall thinning, when the myocardial tissue may be friable and tissue strength may be compromised. In these cases, surgical complications from this site may present a challenge....