What is PKD death rate? PKD is a kind of life threatening disease, and means kidney cyst develops, affecting organs and tissues peripherally. By the time passing, kidney failure may be caused, making kidney function decrease. In addition, PKD is categorized into ADPKD and ARPKD. ARPKD is vital for patients, if people have ARPKD, they will die in childhood mostly. But incidence of people who get ARPKD is very rare.