No abstract available.
Neurotoxicity Syndromes* ; Solvents*

Humans ; Neurotoxicity Syndromes ; Paraquat ; toxicity

Humans ; Neurotoxicity Syndromes ; etiology ; Xylenes ; toxicity

Animals ; Biomarkers ; Hexanes ; poisoning ; toxicity ; Humans ; Neurotoxicity Syndromes ; etiology

Oculogyric crisis is an acute dystonia involving ocular muscles characterized by sustained conjugate upward or lateral deviation of the eyes. Metronidazole is a commonly used antimicrobial agent in treatment of anaerobic infections. However, its long-term use can cause toxic encephalopathy particularly in patients with hepatic dysfunction. Here, we describe a case of oculogyric crisis as a presenting manifestation of metronidazole-induced encephalopathy.
Brain Diseases ; Dystonia ; Humans ; Metronidazole ; Muscles ; Neurotoxicity Syndromes

BACKGROUD: It is generally acknowledged that a close relationship exists between chronic alcohol abuse and the occurrence of alcohol withdrawal seizure(AWS). About one third of AWS patients have been reported to be followed by delirium tremens (DT). OBJECTIVES: We assessed the factors that have influence on the development of DT in AWS patients. METHODS: We investigated clinical features and laboratory findings of 39 AWS patients who were admitted. The following factors were analyzed ; duration of alcohol intake, interval from last drinking to onset of AWS, interval from AWS to treatment, number of seizure, fever, laboratory findings (Mg, K, Na, Ca, P, respiratory alkalosis). RESULT: Fourteen patients developed DT(35.8%). There was fever in 36% of AWS patients with DT(5/14) and in 8% of AWS patients without DT(2/25). Number of seizure (p<.05) and interval from AWS to treatment(p<.01) showed statistically significant difference. But other factors were insignificant statistically. CONCLUSION: Our study suggests that number of seizure and interval from AWS to treatment seem to be significantly related to the development of DT in AWS patients.
Alcohol Withdrawal Delirium* ; Alcohol Withdrawal Seizures* ; Alcoholism ; Delirium* ; Drinking ; Fever ; Humans ; Risk Factors* ; Seizures ; Seizures, Febrile

Viagra has been prescribed worldwide to treat men with erectile dysfunction. Clinical trials have shown that Viagra may cause various kinds of adverse effects include some central nervous system (CNS) adverse effects. Although extremely rare, toxic encephalopathy also can be one of those effects. This report presents a case of encephalopathy caused by Viagra in correlation with its radiologic findings. Its pharmacologic mechanism and potential effects on the biochemistry of the CNS are reviewed.
Biochemistry ; Brain Diseases ; Central Nervous System ; Erectile Dysfunction ; Humans ; Male ; Neurotoxicity Syndromes* ; Sildenafil Citrate*

OBJECTIVETo establish a rat model of 1,2-dichloroethane (DCE)-induced subacute toxic encephalopathy.

METHODSSixty Sprague-Dawley rats were randomly divided into five groups: negative control, positive control, low-dose DCE (1 472 mg/m(3)), middle-dose DCE (2 550 mg/m(3)), and high-dose DCE (4 418 mg/m(3)). The three DCE groups received static inhalation of DCE 6 hours a day for 6 consecutive days. The positive control group received intraperitoneal injection of lipopolysaccharide (5 mg/kg) and were sacrificed 8 hours after injection. Blood and brain tissue were collected, followed by determination of brain water content and HE staining for pathological examination of brain tissue.

RESULTSThe rats in DCE groups suffered decreased body weight with increasing DCE dose (P < 0.01), and brain water content rose with increasing DCEdose. The brain water content of middle-dose DCE group (80.09 ± 0.14%) and high-dose DCE group (80.28±0.10%) increased significantly as compared with that of the negative control group (79.46±0.23%) (P < 0.001). Optical microscopy discovered loose structure and vasodilation in the brain tissue of middle-dose DCE group, indicating obvious brain edema; the high-dose DCE group and positive control group had spongiform and vacuolated brain tissues with severe vascular dilation, indicating severe brain edema.

CONCLUSIONA rat model of subacute toxic encephalopathy induced by 1, 2-dichloroethane has been successfully established.

Acupuncture Therapy ; Adult ; Ethylene Dichlorides ; toxicity ; Humans ; Male ; Neurotoxicity Syndromes ; etiology ; therapy

Adult ; Ethylene Dichlorides ; poisoning ; Female ; Humans ; Magnetic Resonance Imaging ; Male ; Neurotoxicity Syndromes ; etiology ; pathology ; Young Adult