Antico Elements relies on over 35 years of experience with manufacturing polyurethane architectural products. Attention to details is a hallmark of this business and we take great pride in creating rock panels, stacked stone, dry stack that rival the look and feel of natural materials but at a fraction of the cost.Cheap stone wall panels can be of high quality when manufactured correctly.ttention to details is a hallmark of this business and we take great pride in creating rock panels, stacked stone, dry stack that rival the look and feel of natural materials but at a fraction of the cost. Cheap stone wall panels can be of high quality when manufactured correctly.
1 Sometimes, a patient's own tissue can be used for valve replacement (called an autograft). 2  Patients with biological valves usually do not need to take blood-thinning medicines. 3  These valves are not as strong as mechanical valves, though, and they may need to be replaced every 10 years or so.
Mitral valve prolapse â In this condition, the leaflets of the mitral valve fail to close properly. It is a common condition, particularly among women between the ages of 14 and 30. The underlying cause is unknown, and the majority of patients never have symptoms.