Hepatitis can be caused by: 1  Immune cells in the body attacking the liver. 2  Infections from viruses (such as hepatitis A, hepatitis B, or hepatitis C), bacteria, or parasites.  Liver damage from alcohol or poison.
Mitral valve annuloplasty is a surgical technique for the repair of leaking mitral valves. Due to various factors, the two leaflets normally involved in sealing the mitral valve to retrograde flow may not coapt properly.he goal of mitral valve annuloplasty is to regain mitral valve competence by restoring the physiological form and function of the normal mitral valve apparatus.
Symptoms associated with an annular tear in the lumbar spine. An annular tear, or small tear in the outer layer of a disc in the spine, is most common in the lower back, or lumbar spine. The reason an annular tear often develops in the lumbar spine as opposed to other areas of the spine is because the lower back is responsible for supporting the weight and movements of the body.