N % Age Range 19 to 85 years Mean+SD 55.36+7.36 Sex Male 53 58.9 Female 37 41.1 Duration of hemodialysis Range 0.5 to 15 years Mean+SD 2.25+0.25 Possible cause of renal failure HTN 29 32.2 Obstructive uropathy 16 17.7 Mixed HTN and DM 9 10 Toxic nephropathy 6 6.6 Unknown cause 6 6.6 DM 5 5.5 Pyelonephritis 5 5.5 Hereditary 4 4.4 Polycystic kidney 3 3.3 Complicated Pregnancy 2 2.2 Lupus nephritis 2 2.2 Surgical removal 2 2.2 Hypovolemia 1 1.1

Table 1: CHD patients were 53 males (58.9%) and 37 females (41.1%), their age ranged from 19 to 85 years with a mean age 55.36 years, duration of hemodialysis ranged from 6 months to 15 years with a mean 2.25 years. Regarding the possible cause of renal failure in these patients, hypertension was the first cause in 29 cases (32.2%), obstructive uropathy in 16 patients (17.7%).