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1.
Neurol India ; 2001 Dec; 49(4): 350-4
Artigo em Inglês | IMSEAR | ID: sea-121551

RESUMO

The P300 event related potential (P3ERP) latency has recently been advocated for detection of cognitive disturbances in early encephalopathy associated with chronic liver disease. The present study was undertaken to assess the magnitude of cognitive dysfunction, a marker of subclinical hepatic encephalopathy (SHE), in India, using this widely recommended test. One hundred and one patients with cirrhosis of the liver (17 females, 84 males; Age 43.3 +/- 11 years, 33 alcoholic, 49 viral induced, 19 cryptogenic) attending our tertiary care hospital were studied. P300 responses were elicited by the standard 'auditory odd ball paradigm'. A value of mean+2SD of the latency obtained in 40 age matched controls was established as a cut off to define latency prolongation in patients. The mean P3ERP latency of cirrhotics (363.6 +/- 32.1 msec) was significantly longer (p<0.05) than those of controls (347.8 +/- 24.8 msec). No difference was found in the latencies of cirrhotics with or without alcoholic aetiology of liver disease. 21 (20.8%) cirrhotics were found to have SHE i.e. latency prolongation beyond the cutoff value. A higher proportion of patients in advanced stage of liver disease had prolongation in latencies (p<0.02) compared to less severe cases. Till the time a gold standard is derived for detection of SHE, P3ERP latencies seem to be a reasonable method for detection as well as follow up of patients. Since SHE is considered as a preclinical stage of overt encephalopathy, it would be worthwhile screening cirrhotics for cognitive disturbances using P3ERP latencies and administering prompt therapeutic action.


Assuntos
Adulto , Transtornos Cognitivos/diagnóstico , Potenciais Evocados P300 , Potenciais Evocados Auditivos , Feminino , Humanos , Cirrose Hepática/psicologia , Masculino , Pessoa de Meia-Idade , Tempo de Reação
2.
Artigo em Inglês | IMSEAR | ID: sea-19677

RESUMO

A study was undertaken to compare the effects of exposure to the toxic gas in pregnant women in Bhopal with pregnant women in a similar, unexposed area. A high incidence of spontaneous abortions (24.2%) in the pregnant women exposed to the toxic gas was observed as compared to those in the control area (5.6%). Other indices of adverse reproductive outcome, such as the rate of still birth and congenital malformation were not found to be different. The perinatal and neonatal mortalities were significantly higher in the affected area (6.9 and 6.1% respectively), as compared to the control area (5.0 and 4.5% respectively).


Assuntos
Acidentes de Trabalho , Cianatos/intoxicação , Desastres , Feminino , Humanos , Índia , Gravidez , Resultado da Gravidez
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