Atypical Hemolytic Uremic Syndrome (aHUS) is not common but can be very serious for the kidneys. It happens because of genes that make small blood clots in important blood vessels, which can stop them from working well. This can lead to kidney failure and other serious problems with the heart. But there is hope. Dr L H Hiranandani Hospital kidney transplant is known for its expertise because it uses advanced technology to help people with aHUS.