Effect of Colloid Versus Crystalloid on Coagulation

Effect of Colloid Versus Crystalloid on Coagulation in Elective Urological Surgery

In order to reduce bloodloss and need for transfusion to investigate the effect of colloid and crystalloid on coagulation assuming no difference between the groups.

Inclusion Criteria:

• Patient more than 18 years old
• Indication for elective post-renal operation including cystectomy
• Patient without anticoagulative, acetylsalicylic acid or NSAID treatment for the last 5 days.

Exclusion Criteria:

• Intracerebral bleeding, manifest cardiac insufficient, renal insufficient demanding dialysis, hepatic or coagulation diseases
• Pregnant or nursing
• Allergic
• Disturbance in electrolytes
• Patient under committee
• Patient joining another trial interfering the actual trial.