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Title: Relation of serum aluminum level to uremic pruritus in endstage renal disease patients on maintenance hemodialysis

Biography:

Mahmoud Nady Abd El Aziz Abd El Azim is a lecturer of internal medicine and nephrology faculty of medicine at Ain Shams University. He holds an MD in internal medicine and nephrology and is a member of ESNT. Mahmoud has 11 years of experience in nephrology and renal transplantation. He is currently the Head of the nephology and dialysis unit at Ain Shams University Cardiovascular Hospital. He has conducted many studies in the field of nephrology and is currently teaching internal medicine and nephrology in the faculty of medicine and supervising many studies in the same fields.

Abstract

Uremic pruritus is a common discomfort in end- stage renal disease patients on long-term hemodialysis. It negatively affects patients’ quality of life and is associated with increased mortality. The pathogenesis of uremic pruritus is complex. Aluminum is a toxic metal and common human allergen that causes an immune reaction in patients on hemodialysis. Aluminum is hypothesized to play a vital role in the pathogenesis of uremic pruritus. Controlling serum aluminum levels is still critical for patients on long-term hemodialysis. our Objectives was to determine the prevalence of hyperaluminemia and assess its correlation with uremic pruritus in patients on long-term hemodialysis.
We conducted a case-control study on 90 patients on long-term hemodialysis at the dialysis units of Ain Shams university hospitals. We used the 5-D itch scale numerical rating system to determine the presence and severity of pruritus in our study participants. We collected blood samples to estimate blood urea nitrogen levels pre- and post- dialysis, as well as the measured urea reduction ratio, serum creatinine, hemoglobin level, intact parathyroid hormone, ionized calcium, serum phosphate levels, iron study and serum aluminum levels.
Our study showed no statistically significant differences between the pruritic and nonpruritic study groups (median values 9.78 [6.48–11.72] and 9.13 [6.3–10.4] for the pruritic and non-pruritic groups, respectively; P = 0.32). We concluded that The serum aluminum levels of our study participants were higher than the normal levels in humans. Patients in the pruritic group had higher levels than those in the non- pruritic group. However, aluminum levels were not significantly associated with either the presence or severity of pruritus in patients on long-term hemodialysis.