**5. Conclusions**

The anemia of hospitalized patients with chronic or acute renal diseases undergoing hemodialysis exists in our study in 60% from studied cases and must be managed of laboratory medicine in collaborative with the clinician. A routine anemia screening should be recommended using HGB, HCT and erythrocytes indexes MCV, MCH, MCHC and must be redefined the anemia by these common parameters.

An iron panel (serum iron, TIBC, IST% and RPI) is useful in differentiating anemia of chronic disease from iron deficiency. By this study the anemia can be defined as a decrease of HGB and or hematological indexes with 10%from initial normal values, with cut of 117g/L HGB for men and 108g/L HGB for women.

The methods used to assess platelet counts of hemodialysis patients, optical microscopy, peripheral blood smear and use of the cytometry principle with impedance principle (VIC),

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yielded similar results with samples from normal subjects but the accuracy of the automatic method ensures a high quality count of hemodialysis patients.

The all three methods yielded similar results with samples from normal subjects and that the accuracy of the automatic method ensures a high quality count but apparently not so, for patients post-dialysis.

Examination of the peripheral blood smear appears to offer important advantages, in particular for dialysis patients, so as to assess for qualitative as well as quantitative changes in platelets in such patients We concluded that should be a clinical guideline for the management of anemia in the elderly with chronic renal diseases.
