Introduction: HD means a process for removing waste products and excess water from the blood and 
is used primarily as an artificial replacement for lost kidney functions in people with kidney failure 
(Cozzollino et al., 2010). Aim of the work: Study the level of PTH in chronic HD patients, its 
relation to anemia and outcome of anemic patients after treatment of increased PTH level. Patients 
and Methods: Patients: This study was a cross sectional study of the role of PTH in ESRD and its 
correlation with Hb level in the participants recruited from the HD unit. The study enrolled seventy 
(70) patients with ESRD and on chronic HD. They were selected randomly according to inclusion 
criteria three days per week.