ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

摘要:

A large male employee population with continuous low level work exposures to methylene chloride for up to 30 years was examined for mortality experience using non- concurrent prospective and proportionate mortality techniques. Mortality of the study group was consistent with industrial controls and less than the New York State general population. Life table analysis of the 1964 methylene chloride exposed cohort was followed through 7976 and demonstrated age group specific probabilities of 13 year survivorship equal to or better than that of three control male populations: Kodak Park, New York State, and United States.

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

摘要:

Two employees in a mercuric oxide manufacturing plant developed neurologic changes not previously reported from the exposure to inorganic mercury or elemental mercury vapor. The symptoms, physical findings and laboratory studies resembled those found in amyotrophic lateral sclerosis (ALS) and organic mercury intoxication. Nineteen employees are reported who precipitously developed signs and symptoms which may be regarded to be the early onset of a symptom complex of mercury intoxication that would likely have progressed to the ALS-like syndrome if the progression had not been interrupted by removal of the individuals from exposure to mercury. All symptoms, signs, and laboratory findings returned completely to normal after approximately three months in a mercury free work environment.

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

摘要:

During the period of an “energy crisis” in 1974, two workers in a textile printing plant in Massachusetts developed clinical manifestations of encephalopathy. Both had evidence of bone marrow injury and one had pancytopenia. Study of their work environment revealed that they had ethylene glycol monomethyl ether (ECMME) poisoning primarily due to cutaneous exposure. ECMME was used as a cleansing agent as a substitute for acetone, which was unavailable due to temporary shortage. Proper product labels could have prevented the illness.

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

摘要:

To determine occupational mortality in the Central States Teamster population, all death certificates for a three-month period in 1976 were collected and coded. With the exception of respiratory tract cancer and motor vehicle accident deaths, mortality rates were lower than those found in the U.S. population and comparable to those found in other employed populations. It was not possible to separate the effect of cigarette smoking from environmental exposure to explain the excess respiratory tract cancer death. Unexpectedly, the majority of accident mortalities occurred away from work rather than at work.

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

摘要:

In a study of the effects of low lead exposure on psychological performance, 49 exposed workers and 24 controls were given a psychological test battery. All the lead workers had been under regular monitoring during their entire exposure time, and only workers whose maximal blood lead concentration had never exceeded 70 μg/100 ml were included in the study. At the time of the examination, the mean blood lead level of the exposed group was 32 ± 11 μg/100 ml. Comparisons were made both between exposed and non exposed workers and within the exposed group. In the latter case, the maximal, the average and the actual blood lead concentrations were used as measures of uptake. The most important finding was a significant relationship between impaired psychological performance and lead uptake within the exposed group. The performances that were most affected by lead depended on visual intelligence and visual-motor functions. Age and neuroticism did not explain these relationships. The impairment of psychological performance correlated better with the average than with the maximal or actual blood lead concentration. Considering that no single blood lead concentration had ever exceeded 70 μ/100 ml, these findings indicate that the threshold for impaired performance lies below that level.

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

摘要:

A clinical investigation was made between workers exposed to dried sewage sludge dust and age matched controls not exposed. About 50% of the workers reported work related fever, eye symptoms and general fatigue. Thirteen percent of the workers in the sewage plant reported work related diarrhea. Serum immunoglobulins, white blood cells and thrombocytes were elevated and a higher percentage of increased levels of C-reactive protein and fibrinogen degradation products was found in the exposed group. Although no definite cause-effect relationship could be established, it is suggested that the responsible agent in the environment is endotoxins.

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID

ISSN:0096-1736    

出版商:OVID    

年代:1978

数据来源: OVID