2013, Number 08
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MediSan 2013; 17 (08)
Specific aspects of the persistent vegetative state
Hodelín TR
Language: Spanish
References: 50
Page: 3077-3092
PDF size: 172.47 Kb.
ABSTRACT
The persistent vegetative state is a clinical condition characterized by the complete
absence of consciousness of oneself and the environment, linked with sleep-wake cycles,
with total or partial preservation of hypothalamic and autonomic functions of the
brainstem. In this article the author discusses specific aspects related to the clinical
entity, based on his experience and literature survey on the subject. Also, clinical and
epidemiological elements of the condition are stated, a causal classification is proposed,
and the criteria of the
Multisociety Task Force on Persistent Vegetative State for
diagnosis are set, as well as complementary tests, which are divided in imaging and
electrophysiological studies. Of the pathological findings three fundamental patterns are
stressed: diffuse bilateral lesions of the cerebral cortex, diffuse damages of white matter
intracortical and subcortical connections of the cerebral hemispheres, and necrosis of the
thalamus, whereas two basic treatment mainstays are proposed: to treat underlying
condition and provide general care. Among the drugs --classified in 2 categories:
depressants and stimulants of the nervous system -- zolpidem is highlighted, which has shown the best results. Finally, it is stated that in Cuba it is argued that these patients
can be treated at the primary health care.
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