Anaemia is a common manifestation of many disorders, both haematological and non-haematological. Any specific treatment of most forms of anaemia is impossible in the short perioperative period, unless anaemia is due to haemorrhage. For this reason, the anaesthetist usually looks at most types of anaemia from the viewpoint of the physiological consequences rather than at a specific diagnosis, unless the particular disorder causing the anaemia affects the type of anaesthesia that can be administered. The principal effect of anaemia is to reduce the oxygen transporting capacity of blood, and this is the cause of the majority of the clinical effects of anaemia.
KeywordsCardiac Output Haemoglobin Concentration Tissue Hypoxia Chronic Anaemia Cerebral Hypoxia
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