…when hypertension affects the blood vessels of the lungs, it can go from bad to worse rapidly. The disease acts rather like a kinked garden hose, increasing pressure and back up. It involves three processes: Vasoconstriction, a narrowing of the blood vessels; scarring of the blood vessels causing thickening and stiffening which narrows them further and may lead to complete blockage, and thrombosis or clotting.
It becomes progressively more difficult for blood to get through to the lungs. As a result, the right side of the heart is forced to pump harder to force blood through; the stress enlarges the heart and makes it less flexible. Less blood flows through the lungs and on to the rest of the body. Patients become tired, light headed and short of breath at the slightest exertion. There is no known cure, yet.
Clinical trials at the Mayo Clinic in Florida have seen successes in reversing and curing pulmonary hypertension using adult stem cells from patients’ own blood….