Hubertus Strughold Award.
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Aerospace Medicine↗
Biomedical subjects
S Musgrave
Publications and source records attributed to S Musgrave.
Stability of vision during space flight in an astronaut with bilateral intraocular lenses.
PURPOSE: To report excellent and stable vision in an astronaut during space flight after bilateral cataract surgery with intraocular lenses. METHODS: A 60-year-old physician mission specialist astronaut developed cataracts and underwent phacoemulsification with insertion of one-piece polymethylmethacrylate intraocular lenses that had 6-mm optics bilaterally. Several months later, he flew on a space shuttle mission. Ocular examinations were performed before and after the mission, and the patient was questioned about visual changes during flight. RESULTS: Ocular examinations demonstrated stable bilateral posterior chamber intraocular lenses. Our subject reported excellent vision during liftoff, 18 days of microgravity, changes in cabin pressure, and reentry. CONCLUSION: Results suggest that intraocular lenses are safe, effective, and well tolerated during space flight.
Astronauts↗
Focus group interviews about AIDS in Rakai District of Uganda.
Focus group interviews about AIDS were held in Rakai district, Uganda during early 1990 with groups from various sections of the community. It was found that the knowledge of AIDS symptoms and its transmission were widespread. Attitudes regarding many aspects of sexual behavior, AIDS patients, condoms, injections, hospital treatment, sexually transmitted diseases and an AIDS cure were investigated. We found that most people no longer fear casual contact with AIDS patients but they blame spouses of people with AIDS for spreading the infection. Condoms are generally not trusted. Many people feel that condoms cannot prevent transmission of the AIDS virus and some fear that they may get torn and cause complications in women. Most people now do not like injections for treatment and when necessary, prefer disposable needles and syringes. Hospital treatment for AIDS patients is not trusted very much, and many people believe that AIDS patients are intentionally killed off by doctors. Sexual behavior was extensively discussed and it was found that there is generally a reduced level of multiple sexual partners. The reduction is more marked in rural areas but the urban areas are still having higher levels of multiple sexual partners.
Acquired Immunodeficiency Syndrome↗
AIDS and HIV infection in Uganda--are more women infected than men?
In countries in sub-Saharan Africa, HIV is transmitted primarily heterosexually. HIV infection and AIDS in women not only affects women's health but also has implications for the other members of society. Maternal infection is the source of most childhood HIV infection in Africa and maternal health is a strong predictor of child survival. In Uganda, a review of passive AIDS surveillance has shown almost equal numbers of clinical cases reported in men and women. However, in three population-based HIV serosurveys, women were consistently found to have a higher infection rate (approximately 1.4 times) than men. In addition, both AIDS case surveillance and seroprevalence studies demonstrate an earlier age of presentation and mean age of infection in women. The higher rate of HIV infection in women suggests either differential rates of transmission between women and men, higher rates of female sexual exposure to infected men, or longer survival among HIV-infected women compared with men. Although further studies are required to illuminate both the biology and the epidemiology of heterosexual HIV transmission in Africa, these findings of earlier and higher infection rates in women have important implications for women's health and child survival in Uganda and indicate the need for specially targeted interventions to reduce transmission in this group.
Acquired Immunodeficiency Syndrome↗
Evaluation of a simplified method for estimation of early childhood mortality in small populations.
The provision of simple health technologies in less developed countries has far outpaced the capabilities to evaluate their impact on health in general, and early childhood survival in particular. In rural Haiti, attempts to monitor the impact of health care delivery programmes have been frustrated by some of the same problems encountered elsewhere; ie lack of practicable yet scientifically sound methodologies that interface well with ongoing service delivery programmes. The 'preceding birth' technique, originally advanced by Brass and Macrae, holds promise as just such a method. Its practical appeal derives largely from simple data requirements. In its simplest form, the method requires only responses to a single question put to mothers at delivery regarding the survival status of her previous child. They have shown that the proportion of immediately preceding births dying before the 'index' birth date provides a good approximation of the standard life table probability of death before the second birthday. Given that in rural Haiti, as in much of the less developed world, few women deliver in clinic or hospital where such data could be systematically obtained, exploitation of the preceding birth method would require identification of a convenient and unobtrusive point of contact between questioner and mothers who have recently delivered. In Haiti, two options arose: (1) interview women at home after childbirth, and (2) interview women when they bring the 'index' child seeking vaccination or some other child survival intervention. Both of these deviate from the original technique of Brass and Macrae with respect to the timing and method of data collection, and could therefore introduce serious complications to the interpretation of trends in child mortality. To study this, we examined the effects of adapting the preceding birth method to a rural less developed country setting in Mirebalais, where since 1983 primary health care activities have been administered by MARCH (Management and Resources for Community Health), a private voluntary health organization. The Mirebalais study used a pregnancy register, originally developed for targeting of services, to identify women who were expected to have given birth during the 12-month period before each of two survey rounds. Brief interviews with these women would provide direct life table estimates of child mortality level and trend with which to compare estimates produced from use of the preceding birth method in modified form. Direct estimates of the probability of dying before the second birthday were 138/1000 from first round data and 134/1000 from second round data, indicating a 3% decline.(ABSTRACT TRUNCATED AT 400 WORDS)
Data Collection↗
Second or subsequent remission with a disease-free survival of 5 years or longer in acute lymphocytic leukemia of childhood: results of a national survey.
A national survey was conducted to determine the number of children with acute lymphocytic leukemia who have survived 5 years or longer in their second or subsequent remission. Seventy-two such patients were identified. The clinical and laboratory characteristics of these patients as well as their therapy are described. It is concluded that long-term second or subsequent remission may occur more frequently than previously appreciated.
Child↗
Surgical aspects of space flight.
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Emergency Medical Services↗
Expression of P.69/pertactin from Bordetella pertussis in a baculovirus/insect cell expression system: protective properties of the recombinant protein.
The surface antigen P.69/pertactin of Bordetella pertussis has been expressed using the polyhedron promoter of baculovirus in cultured insect cells. Either full-length or truncated prn DNA was used to express P.69 pertactin. The full-length gene gave rise to low levels of P.93 precursor protein, some of which was processed to P.69. The shortened prn expressed P.69 pertactin directly at levels up to 3.5 mg per litre. P.69 vaccinated animals were protected against aerosol challenge with virulent B. pertussis bacteria.
Animals↗