Reactive oxygen species scavenging with N-acetylcysteine attenuates myocardial oxidative stress in the hearts of patients subjected to cardiopulmonary bypass and cardioplegic arrest.

Six percent HES 130/0.4 at a median dose of 49 ml/kg did not increase blood loss and transfusion requirements in coronary artery bypass surgery compared with 6% HES 200/0.5 at a median dose of 33 ml/kg.

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Pain is a common experience of mankind. Pain theories and the management of pain have been modified throughout the history of mankind. This article gives a brief review on pain, pain believes and pain management from early magico-demonic and magico-religious ideas and procedures to more empiric-scientific models; from ancient times and primitive cultures to the 20th century. Due to new anatomical, physiological and biochemical insights, modern pain theories developed in the 19th and 20th century. Modern analgesics were synthesized and new invasive procedures were approved having a major impact on pain management strategies. However, older traditional beliefs and attitudes have not been replaced completely and have survived to some degree in modern patients.