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06/08/2007 – Diário de Estudo

Inglês – tradução livre

Adinoél Sebastião


TEXTO



Electrical pulses 'rouse' patient

Deep brain stimulation with electrical pulses may offer hope for patients trapped in a minimally conscious state.

Treatment of a 38-year-old man with a severe brain injury enabled him to use words and gestures, chew and swallow and drink from a cup, say US doctors.

Before the stimulation, done through electrodes implanted in his brain, he could only make slight eye or finger movements, the team report in Nature.

Experts said more studies were needed to assess which patients may benefit.

Deep brain stimulation is already used in the treatment of tremors associated with Parkinson's disease.

The procedure involves electrodes implanted with millimetre accuracy to specific areas of the brain.

Badly beaten

The man involved in the study was badly beaten six years ago, leaving him severely brain injured and in a minimally conscious state, in which patients show intermittent signs of awareness.

Over a period of six months the researchers alternated periods of electrical stimulation with fake stimulation to assess whether it was having an effect.

Within 48 hours of the first stimulation, the patient was able to keep his eyes open, turn his head, and utter words.

After several treatments he is now able to perform complex tasks such as brushing his hair, although with difficulty due to severe immobility caused by his condition.

And he can chew and swallow his food where before he needed a feeding tube.

Further tests on 12 patients have gained FDA approval. The researchers say if these results are replicated, it could change the standard of care for such patients, most of whom have to be cared for in long-term nursing facilities.

Dr Ali Rezai, the neurosurgeon at Cleveland Clinic's Center for Neurological Restoration who carried out the procedure said the changes in the man had been "remarkable and sustained".

Study leader, Dr Nicholas Schiff, associate professor of neurology and neuroscience at Weill Cornell added: "The work challenges the existing practice of early treatment discontinuation and also changes the approach to assessment and evaluation."

Story from BBC NEWS:
http://news.bbc.co.uk/go/pr/fr/-/2/hi/health/6926158.stm
Published: 2007/08/01 17:02:19 GMT
© BBC MMVII

TRADUÇÃO LIVRE


Electrical pulses 'rouse' patient

Pulsos elétricos despertam paciente
Deep brain stimulation with electrical pulses may offer hope for patients trapped in a minimally conscious state.

Profunda estimulação cerebral com pulsos elétricos pode oferecer esperança para pacientes presos em um estado de consciência mínima.


Treatment of a 38-year-old man with a severe brain injury enabled him to use words and gestures, chew and swallow and drink from a cup, say US doctors.

O tratamento de um homem de 38 anos com um severo dano cerebral possibilitou a ele usar palavras e gestos, ruminando e engolindo e bebendo de um copo, dizem os médicos americanos.


Before the stimulation, done through electrodes implanted in his brain, he could only make slight eye or finger movements, the team report in Nature.

Antes da estimulação, feitas através de eletrodos implantados em seu cérebro, ele podia somente fazia movimentos de olhos ou movimento de dedos, a equipe reportou a Nature.


(Nature = revista científica)
Experts said more studies were needed to assess1 which patients may benefit.

Os especialistas dizem que mais estudos serão necessários para avaliar1 quais pacientes poderão ser beneficiados.

Deep brain stimulation is already used in the treatment of tremors associated with Parkinson's disease.

A profunda estimulação cerebral já é usada no tratamento de tremores associados com a doença de Parkinson.

The procedure involves electrodes implanted with millimetre accuracy2 to specific areas of the brain.

O procedimento envolve eletrodos implantados com milimétrica exatidão2 para específicas áreas do cérebro.


Badly beaten

Espancado violentamente

The man involved in the study was badly beaten six years ago, leaving him severely brain injured and in a minimally conscious state, in which patients show intermittent signs of awareness3.

O homem envolvido no estudo foi espancado violentamente seis anos atrás, trazendo para ele alguns danos cerebrais e um estado de consciência mínima, no qual pacientes mostram sinais intermitentes de consciência3.
Over a period of six months the researchers alternated periods of electrical stimulation with fake4 stimulation to assess whether it was having an effect.

Sobre um período de seis meses os pesquisadores alternaram períodos de estimulação elétrica com falsa4 estimulação para avaliar se isto estava tendo um efeito.


Within 48 hours of the first stimulation, the patient was able to keep his eyes open, turn his head, and utter5 words.

Dentro de 48 horas da primeira estimulação, o paciente estava apto para manter seus olhos abertos, virar sua cabeça, e proferir5 palavras.


After several treatments he is now able to perform complex tasks such as brushing his hair, although with difficulty due to severe immobility caused by his condition.

Após alguns tratamentos ele está agora apto para cumprir tarefas complexas como escovar seus cabelos, embora com dificuldade devido a severa imobilidade causada pela sua condição.

And he can chew and swallow his food where before he needed a feeding tube.

E ele pode mastigar e engolir sua comida onde antes ele necessitava de um tubo de alimentação.

Further tests on 12 patients have gained FDA approval. The researchers say if these results are replicated, it could change the standard of care for such patients, most of whom have to be cared for in long-term nursing facilities.

Mais testes sobre 12 pacientes ganharam a aprovação da FDA. Os pesquisadores dizem que se esses resultados forem replicados, isto poderia mudar o padrão de cuidado de tais pacientes, muito dos quais tem sido cuidados por um longo tempo pelas facilidades da enfermagem.


Dr Ali Rezai, the neurosurgeon at Cleveland Clinic's Center for Neurological Restoration who carried out the procedure said the changes in the man had been "remarkable and sustained".

O Doutor Ali Rezai, o neurocirurgião da Clevaland Clinic’s Centes for Neurological Restoration que criou o procedimento disse que as mudanças no homem tem sido “observados e mantidas”.


Study leader, Dr Nicholas Schiff, associate professor of neurology and neuroscience at Weill Cornell added: "The work challenges the existing practice of early treatment discontinuation and also changes the approach to assessment and evaluation."

O líder do estudo, o Doutor Nicholas Schiff, professor associado de neurologia e neurociência da Weill Cornell acrescentou: “O trabalho desafia a existência prática de um tratamento próximo da descontinuação e também muda a aproximação para a avaliação e estimação”.


Story from BBC NEWS:
http://news.bbc.co.uk/go/pr/fr/-/2/hi/health/6926158.stm
Published: 2007/08/01 17:02:19 GMT
© BBC MMVII


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