Comparison of Three Different Pain and Anxiety Reducing Methods in Adult Patients Undergoing Bone Marrow Puncture

The purpose of this study is to investigate and compare the effects of three different methods for reducing pain and anxiety in adult patients undergoing puncture of the bone marrow. The investigated methods are: cognitive behavioural technique, administration of a sedative drug(Midazolam) and administration of an analgetic drug (Piritramid)prior to the procedure. Additionally, there are two comparison groups in which the patients receive either placebo treatment or no treatment at all.