الفهرس 
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Abstract
Mantenance dialysis patients are reported to have a higher prevalence of Inflammation and malnutrition than the general population.
Serum CRP and serum Albumin are considered important inflammatory and nutritional markers respectively.
The aim of this thesis is to study the impact of increasing hemodialysis time on inflammatory and nutritional status.
This study included 80 hemodialysis patients on regular hemodilyasis 3 times/week 4hours/each time session named as (SHDT patients) versus (LHDT patients) whom were the same patients receiving 5 hours /each session.
All our patients were investigated by doing Serum Albumin; serum CRP (quantitative); CBC, Ca+ , ph, PTH, urea, Iron parameters creat. also KT/V and BMI at the start and the end of the study.
The result of the present study showed that:
Serum albumin in LHDT patients was significantly increased versus SHDT patients with percentage change 6% (P<0.05).
Serum CRP in LHDT patients showed no statistically significant change versus SHDT patients (P>0.05).
KTV in LHDT patients was significantly increased versus SHDT patients with percentage change 22% (P<0.001).
Phosphorus in LHDT patients was significantly decreased versus SHDT patients with percentage change 5% decrease (P<0.05).
Hb in LHDT patients was significantly decrease versus SHDT patients with percentage change 10% decrease (P<0.05).
NO significant change in Ca+ PTH, Iron parameters in LHDT patients versus SHDT patients (P>0.05).
So, from this study it can be concluded that:
• Increasing the time of dialysis session from 4h per-session to 5h per-session increase:
o Serum albumin.
o KT/V.
o Improve phosphorus clearance.
• On the other hand no effect as regard CRP and other biochemical markers.