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A vegetative state (VS) or post-coma unresponsiveness (PCU) [1] is a disorder of consciousness in which patients with severe brain damage are in a state of partial arousal rather than true awareness. After four weeks in a vegetative state, the patient is classified as being in a persistent vegetative state (PVS).
The overall metabolism drops in average to 40-50% of the normal range. After four weeks in a vegetative state (VS), the patient is classified as in a persistent vegetative state. Here the metabolism drops to 30-40% of the normal range but seems to be a result of trans-synaptic neuronal degeneration. [14]
In children, the most common cause is a stroke of the ventral pons. [9]Unlike persistent vegetative state, in which the upper portions of the brain are damaged and the lower portions are spared, locked-in syndrome is essentially the opposite, caused by damage to specific portions of the lower brain and brainstem, with no damage to the upper brain.
This is a shortened version of the sixteenth chapter of the ICD-9: Symptoms, Signs and Ill-defined Conditions. It covers ICD codes 780 to 799. The full chapter can be found on pages 455 to 471 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.
ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]
Indeed, postmortem examinations have shown that the most common finding in cases of sudden cardiac death is chronic, high-grade stenosis of at least one segment of a major coronary artery. [ 36 ] While CAD is a leading contributing factor, this is an age-dependent factor, with CAD being a less common cause of sudden cardiac death in people ...
A primary care (e.g. general or family physician) version of the mental disorder section of ICD-10 has been developed (ICD-10-PHC) which has also been used quite extensively internationally. [22] A survey of journal articles indexed in various biomedical databases between 1980 and 2005 indicated that 15,743 referred to the DSM and 3,106 to the ICD.
Some patients eventually gradually come out of the coma, some progress to a vegetative state or a minimally conscious state, and others die. Some patients who have entered a vegetative state go on to regain a degree of awareness; and in some cases may remain in vegetative state for years or even decades such as the Aruna Shanbaug case [ 48 ] or ...