Anoxic-ischemic encephalopathy: association of predictors with the vital and functional prognosis of patients

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Improve the prediction of the vital and functional prognosis of comatose patients suffering from anoxic-ischemic encephalopathy after successful resuscitation from a cardiac arrest, addmitted to the Intensive Care and Coronary Units of the Dr. Josep Trueta Hospital, based on clinical, neurophysiological and biochemical results. The results of these different tests, revised and combined all together, will improve the prediction of the patients' prognosis, leading to an accurate vital and functional outcome, as they only have been studied separately so far. Anoxia is the third most frequent cause of coma, and the most common cause of post-anoxic coma in adults is the cardiac arrest. The incidence of hypoxic-ischemic brain injury is not well known, but it is certain that cardiac arrest, the most common cause of post-anoxic coma, affects approximately 24000 to 50000 Spanish people every year, most of them occuring out of the hospital. A cardiac arrest is the abrupt cessation of normal circulation of the blood due to failure of the heart to contract effectively during systole. It is different from, but may be caused by, a heart attack or myocardial infarction, where blood flow to the still-beating heart is interrupted. Arrested blood circulation prevents delivery of oxygen to all parts of the body. Cerebral hypoxia, or lack of oxygen supply to the brain, causes victims to lose consciousness and to stop normal breathing, although agonal breathing may still occur. Brain injury is likely if cardiac arrest is untreated for more than five minutes ​
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