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Biomedical subjects

W R Elsea

Publications and source records attributed to W R Elsea.

At least 19 recordsLinked to original sources

Magnitude and patterns of family and intimate assault in Atlanta, Georgia, 1984. Collaborative Working Group for the Study of Family and Intimate Assaults in Atlanta.

A sample of police incident reports was used to examine the magnitude and patterns of family and intimate assault involving weapon use or threat, bodily force, or verbal threat of assault in a defined urban population during 1984. More than half of the incidents involved partners (spousal and nonspousal), about a fourth involved prior or estranged partners, and the remainder involved family members and relatives. The 1984 rate of nonfatal family and intimate assault was estimated at 837 per 100,000 population--the fatal rate was 7 per 100,000 population. Fatal and nonfatal victimization rates for blacks and other races were three times the rates for whites. Fatal incidents predominantly involved handguns, and nonfatal incidents most often involved bodily force. Most nonfatal victims (66%) and some perpetrators (13%) suffered physical injuries. Data on prior police contacts suggest that family and intimate assaults occur within a context of repeated violence. Information about prior incidents might contribute to preventive efforts by identifying people at high risk of being victims or perpetrators.

Cross-Sectional Studies↗

Hepatitis B virus infection among children born in the United States to Southeast Asian refugees.

Since 1975 nearly 1 million persons have entered the United States from Southeast Asia, where infection with hepatitis B virus (HBV) is hyperendemic. To evaluate the prevalence and patterns of transmission of HBV infection among the children of refugees from Southeast Asia, we studied 196 refugee families with 257 children born in the United States. Of 31 children born in the United States to mothers with infectious disease, 17 (55 percent) had been infected with HBV. Of 226 children whose mothers did not have infectious disease, 15 had HBV infection--a prevalence of 6.6 percent (95 percent confidence interval, 4.1 to 10.7). The risk of infection was greatest (26 percent) among children living in households with children with infectious disease (relative risk, 5.5; confidence interval, 2.3 to 13.4). Exposure to fathers or other adults with infectious disease was not significantly associated with infection. Of children from households with no persons with infectious disease, 3.9 percent (confidence interval, 1.7 to 8.8) were infected. Nearly half (46 percent) the cases of HBV infection among the U.S.-born children of refugees were not attributable to perinatal transmission from a mother with infectious disease. We conclude that child-to-child transmission may be occurring within and between households. Current recommendations to immunize the newborns of mothers with infectious disease are not sufficient to protect all U.S.-born children of Southeast Asian refugees from HBV infection early in life, when the risk of chronic sequelae and premature death is highest. We recommend that the HBV vaccination policy be expanded to include all newborns of Southeast Asian immigrants.

Asia, Southeastern↗

A priority dispatch system for emergency medical services.

A decision tree priority dispatch system for emergency medical services (EMS) was developed and implemented in Atlanta and Fulton County, Georgia. The dispatch system shortened the average response time from 14.2 minutes to 10.4 minutes for the 30% of patients deemed most urgent (P less than or equal to .05); resulted in a significant increase in the use of advanced life support units for this group (P less than or equal to .02); decreased the number of calls that required a backup ambulance service; and significantly increased conformity to national EMS response time standards for critically ill and injured patients (P less than or equal to .0009). Due to dispatch error, 0.3% of calls were dispatched as least severe but subsequently were found to be most urgent.

Emergency Medical Service Communication Systems↗

Epidemic keratoconjunctivitis: report of an outbreak in an ophthalmology practice and recommendations for prevention.

In Fall 1981, an outbreak of acute infectious conjunctivitis with keratitis (EKC) occurred in patients who had visited a private ophthalmology clinic just prior to onset of illness. Among an estimated 2,200 patient visits to the office from August 10 to October 15, 1981 for problems unrelated to infectious conjunctivitis, 39 (1.8%) persons subsequently developed EKC. The median incubation period was 6.5 days (range, 1 to 14 days). A case-control study was done to identify risk factors associated with contracting EKC; patients with EKC were more likely than control patients to have been examined by one or the other of two of the four ophthalmologists at the clinic and to have undergone procedures such as tonometry or foreign body removal. Adenovirus was isolated from conjunctival swabs from four of five persons with conjunctivitis; three were type 8 and one was type 7. Recognition of the problem and improved handwashing practices were associated with terminating the outbreak. This outbreak illustrates the potential for transmission of adenovirus infection during the provision of eye care. Infection control practitioners should be familiar with measures for the prevention of such infections among ophthalmology patients.

Adenoviridae Infections↗

Legionnaires' disease outbreak at an Atlanta, Georgia, Country Club: evidence for spread from an evaporative condenser.

During July 1978 an outbreak of Legionnaires' disease characterized by high fever, prostration, and pneumonia occurred at an Atlanta, Georgia, country club. All eight cases involved club members whose primary club activity was golfing. The degree of golfing activity during the likely exposure period was a risk factor for acquiring the illness. Legionella pneumophila was isolated from the evaporative condenser within the clubhouse. The fact that the stream of air blowing from the exhaust duct of the evaporative condenser was directed toward a nearby practice green and the 10th and 16th tees supports the hypothesis that this outbreak represents airborne dissemination of L. pneumophila from the evaporative condenser to an outdoor site where susceptible golfers contracted the illness.

Aged↗