[The epidemiological trends connected with detection of HIV, HCV, HBV and syphilis markers in blood donors in the years 2006-2009].

Unlabelled: In the recent years a great progress has been documented in infection prevention. There is more possibilities responsible for infection and its transmission.

The Aim Of The Study: To analyze obtained epidemiological data concerned to detected infection in blood donors in the area of Blood Bank in Katowice in the years 2006-2009.

[Characteristic of adverse reactions after blood components transfusion].

The adverse transfusion reaction is usually defined as an unwanted reaction occurring in a recipient during or after a blood transfusion or its components. Adverse reaction can occur even in 10% of recipients. The after transfusion reactions can be divided with regard to its causes: infectious and non-infectious, of immunologic and non-immunologic.

[Leukapheresis in children with chronic myeloid leukemia and pulmonary leukostasis].

We present two patients with chronic myeloid leukemia and hyperleukocytosis above 350 x 10(9)/l causing the symptoms of pulmonary leukostasis. Therapeutic leukapheresis procedures with concomitant chemotherapy were initiated within 12 hours from the diagnosis. After the therapy commencement the general condition of the patients systematically improved and leukocytosis gradually decreased from the second day of treatment with disappearance of pulmonary leukostasis symptoms.