The histrionic push for mandatory perinatal HIV testing.
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AIDS Serodiagnosis↗
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Prevalence of HIV in a largely indigent obstetric population of Tarrant County, Texas.
To establish the seroprevalence of the human immunodeficiency virus (HIV) in our county hospital obstetric patients, and to assess the predictive value of screening questionnaires for high-risk behaviors attributing to HIV infection, we conducted written surveys and blinded HIV testing over a 4-month period ending February 1993. Blinded HIV antibody testing was performed on 1348 patients upon admission to labor and delivery. The coded blood samples were matched to similarly coded surveys of patient demographics and behaviors implicated in HIV transmission. The overall HIV prevalence in our regional population remains virtually unchanged at a rate of 0.22% (2.2 per 1000 patients). Questionnaires regarding health history were not predictive for HIV infection in our patients. Universal screening questionnaires cannot predict HIV infection. Similarly, routine mandatory testing for HIV performed on obstetric patients on the day of delivery are not cost-effective and do not provide clinically meaningful information needed to alter management protocols.
Adult↗
[Susceptibility of vertically transmitted Group B streptococci to antimicrobial agents. Multicenter study].
INTRODUCTION: To investigate the susceptibility of group B streptococci (GBS) to macrolides and lincosamides and assess alternatives for intrapartum chemoprophylaxis in women allergic to penicillin and colonized by a GBS strain resistant to these antibiotics. METHODS: Multicenter study performed with 131 strains isolated between 1997-2002 from newborns diagnosed with early-onset GBS disease and 479 strains collected in 2002 from the vagina or rectum of pregnant women. RESULTS: All the GBS (100%) were susceptible to penicillin, ampicillin, vancomycin, quinupristin/dalfopristin, levofloxacin and teicoplanin. Resistance rates were as follows: 12.45% to erythromycin and azithromycin, 11.80% to clindamycin, 11.31%, to josamycin, 1.80% to telithromycin and 0.32% to fosfomycin. Seventy-nine strains had a constitutive MLSB phenotype of resistance, 4 an inducible MLSB phenotype, 3 an M phenotype and 3 were resistant to clindamycin but susceptible to macrolides. The MIC for erythromycin and azithromycin was > 32 mg/L in more than 85% of GBS strains with a constitutive MLSB phenotype, from 0.5 to 4 mg/L in those with an inducible MLSB, and 4 mg/L in those with phenotype M. Fifty-one telithromycin-sensitive strains (all with a constitutive MLSB phenotype) showed induced resistance to telithromycin when erythromycin was present. No significant differences in antimicrobial resistance were found between GBS strains producing invasive neonatal disease and maternal isolates, or among strains from different geographic areas. CONCLUSIONS: The high rate of resistance to macrolides and lincosamides in our area makes susceptibility testing mandatory for GBS strains isolated from pregnant women allergic to penicillin.
Adult↗
Infection with human T lymphotropic virus type I in organ transplant donors and recipients in Spain.
Human T-cell lymphotropic virus (HTLV) antibody screening is not recommended uniformly before transplantation in Western countries. In the year 2001, the first cases of HTLV-I infection acquired through organ transplantation from one asymptomatic carrier were reported in Europe. All three organ recipients developed a subacute myelopathy shortly after transplantation. This report rose the question about whether to implement universal anti-HTLV screening of all organ donors or selective screening of donors from endemic areas for HTLV-I infection should be carried out. A national survey was conducted thereafter in which anti-HTLV antibodies were tested in 1,298 organ transplant donors and 493 potential recipients. None was seropositive for HTLV-I and only one recipient, a former intravenous (i.v.) drug user, was found to be infected with HTLV-II. In a different survey, HTLV screening was conducted in 1,079 immigrants and 5 (0.5%) were found to be asymptomatic HTLV-I carriers. All came from endemic areas for HTLV-I infection. No cases of HTLV-II infection were found among immigrants. These results support the current policy of mandatory testing of anti-HTLV antibodies in Spain only among organ transplant donors coming from HTLV-I endemic areas or with a highly suspicion of HTLV-I infection.
HTLV-I Antibodies↗
AIDS: social, legal, and ethical issues of the "third epidemic".
The "first" and "second" epidemics of AIDS are considered to be the spread of HIV infection and subsequent development of AIDS cases; what has been termed the "third epidemic" is the widespread economic, social, and cultural reaction to the disease, raising crucial social, humanitarian, and legal issues. This article deals with four questions arising from these issues: (1) What is the best public health approach to people with HIV/AIDS, and what rights should they have? (2) Who should be subjected to mandatory testing? (3) Who has a right to know or be warned if someone has HIV/AIDS? and (4) How can society be protected against people who irresponsibly or deliberately set out to infect others? It is concluded that, as recommended by the World Health Organization, policies which balance concern for public health with respect for individual rights are both the most humane and the most effective ways to control the spread of AIDS.
AIDS Serodiagnosis↗
What do we really know about AIDS control?
For the near term, control of the AIDS epidemic depends entirely upon altering the human behavior which results in HIV transmission. How best to achieve the required changes has been controversial with approaches ranging from education/information only, to a vast array of largely unproven voluntary behavior modification techniques, to mandatory testing and restrictive measures. Given the complexity of human behavior and the reality of a still uncontrolled epidemic, at least among poor urban drug using minorities, there is a legitimate role for most approaches and any promising behavior modification strategy deserves evaluation. However, because voluntarism will not work for some individuals, society still must choose between effective public health law--including restrictive measures--now, and a much larger reservoir of HIV infection and more deaths from AIDS for many generations to come.
Acquired Immunodeficiency Syndrome↗
Prevalence and incidence of hepatitis C virus infection in the US military: a seroepidemiologic survey of 21,000 troops.
Because of a high prevalence of hepatitis C virus (HCV) infection (10-20%) among veterans seeking care in Department of Veterans Affairs (VA) hospitals, current US military forces were evaluated for HCV infection. Banked serum samples were randomly selected from military personnel serving in 1997 and were tested for antibody to HCV (anti-HCV). Overall prevalence of anti-HCV among 10,000 active-duty personnel was 0.48% (5/1,000 troops); prevalence increased with age from 0.1% among military recruits and active-duty personnel aged <30 years to 3.0% among troops aged >/=40 years. Prevalence among 2,000 Reservists and active-duty troops was similar. Based on sequential serum samples from 7,368 active-duty personnel (34,020 person-years of observation), annual incidence of infection was 2/10,000. Of 81 HCV RNA-positive troops for whom genotype was determined, genotypes 1a (63%) and 1b (22%) predominated, as in the civilian population. These data indicate that HCV infection risk among current military forces is lower than in VA studies and the general civilian population aged <40 years. The low level of HCV infection may be attributed to infrequent injection drug use in the military due to mandatory testing for illicit drugs prior to induction and throughout military service.
Adolescent↗
Routine assessment of prognostic factors in breast cancer using a multicore tissue microarray procedure.
We propose multicore tissue microarray (TMA) as an alternative to whole section for routine assessment of prognostic factors in breast cancer. Since 2004, we introduced the multicore TMA for testing estrogen (ER) and progesterone receptors (PR), proliferation activity by Ki67, and HER2 overexpression and amplification in routine work. At least four tumor foci were selected on the whole section, and a dedicated technician used a stereomicroscope for accurate sampling of the selected areas. To identify a specific case in the TMA, a separate file and a computerized reporting form with the TMA map were created. A preliminary pilot study comparing the TMA results with those obtained on whole sections showed the specificity of the procedure. Moreover, in everyday diagnosis, hormone receptors were repeated on full section when negative in TMA, without significant discrepancy. Retrospective analysis of the 237 breast carcinomas studied by TMA showed the expected correspondence of tumor-grade differentiation with the hormone receptor pattern, the proliferation activity, and HER2 immunohistochemical and FISH values. In conclusion, multicore TMA may be an efficient approach in the routine study of prognostic factors in breast cancer, significantly reducing costs, time, and burden of slides necessary to accomplish these mandatory tests.
Biomarkers, Tumor↗
Detection of reverse transcriptase activity in human melanoma cell lines and identification of a murine leukemia virus contaminant.
BACKGROUND: Stimulated by earlier reports on the presence of retroviruses in mouse and hamster melanoma cell lines, we addressed the question as to whether human melanoma cell lines might also harbour a retrovirus. METHODS AND RESULTS: The melanoma cell lines SK-MEL-25, SK-MEL-28, MEL-JUSO, MML-I, MeWo, A-375, Colo-38, BS-780 were confirmed to be human by human leucocyte antigen (HLA) typing, and supernatants were tested by the product-enhanced reverse transcriptase (PERT) assay for reverse transcriptase (RT) activity. Cell lines SK-MEL-25, SK-MEL-28, MEL-JUSO and MML-I were positive, whereas cell lines MeWo, A-375, Colo-38 and BS-780 were negative. The RT activity peaked at a buoyant density in sucrose typical for retroviruses. From this peak fraction an R-U5 sequence indistinguishable from murine leukemia virus (MLV) was identified by particle-associated retrovirus RNA amplification (PARRA). Semiquantitative MLV-specific RNA-PCR demonstrated colocalization of the MLV-like RNA and RT activity on the sucrose gradient of SK-Mel-25. MLV RNA and DNA were also detectable in culture supernatants of SK-MEL-28, MEL-JUSO and MML-I, but not of MeWo, A-375, Colo-38 and BS-780 by semiquantitative polymerase chain reaction (PCR). Sequence comparison revealed highest homology with the RET sequence previously identified in mouse myeloma SP2/0-AG14 cells. Taken together, our data strongly suggest that certain human melanoma cell lines are productively infected by a MLV which was probably introduced during tumour passage in mice or by laboratory contamination many years ago and subsequently spread to other lines. CONCLUSION: We recommend mandatory testing of melanoma and other human cell lines for contamination with infectious MLV or other animal retroviruses, similar to mycoplasma screening, in order to avoid artificial experimental data.
Base Sequence↗
Mandatory newborn HIV testing.
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AIDS Serodiagnosis↗
The epidemic dynamics of HIV-1 in Italy: modelling the interaction between intravenous drug users and heterosexual population.
Data gathered through the Latium HIV Surveillance System were used in conjunction with a compartmental mathematical model to describe the transmission dynamics of HIV-1 in Italy. In the Latium region, as in the rest of Italy, fewer than 1 in 5 cumulative cases of AIDS are attributable to male homosexual transmission, while 55-60 per cent of the cases have been observed among intravenous drug users (IVDUs). Moreover, the number of non-drug-using heterosexual cases is increasing (14 per cent of cumulative cases). Anonymous notification of positive HIV-1 tests, mandatory in Latium since 1985, were used to produce a time series of new HIV-1 diagnoses; just over 400 new cases of infection per quarter were diagnosed from mid 1989 to mid 1990, with no evidence of increasing incidence. A minimum of 6009 and a maximum of 10,000 individuals with HIV-1 as of the end of 1989 were estimated, 80 per cent of adult cases occurring among IVDUs. The model included two main subgroups: IVDUs and non-drug-using heterosexuals, both with behavioural heterogeneities. Sharing of needles among IVDUs and heterosexual contact were considered as possible ways of transmitting HIV-1. A mathematical framework was developed to reproduce different mixing patterns within and between subgroups. A scenario analysis of the model showed incident cases of HIV-1 among IVDUs peaking early, then declining dramatically and stabilising at low values, with a stable-state prevalence higher than 0.75. Heterosexual interaction with IVDUs resulted in a significant, but non-self-sustaining, virus spread in the general population, affecting females more than males. The extent of this spread is associated with the assortativeness of the sexual mixing pattern adopted. The qualitative features of the Italian epidemic are well represented by the model, which highlights the role of IVDUs as an infection reservoir. However, the need emerges for more accurate information on the key parameters influencing the transmission dynamics of HIV-1.
Acquired Immunodeficiency Syndrome↗
Methods used in studies of drink-drive control efforts: a meta-analysis of the literature from 1960 to 1991.
We searched the drink-drive control literature over the past three decades, finding over six thousand documents. After detailed review of the abstracts and papers, 125 studies contained separate empirical evaluations of the effects of 12 DWI control policies and enforcement efforts (administrative license suspension, illegal per se, implied consent, preliminary breath test, mandatory jail sentence, mandatory community service, mandatory license suspension, limits on plea bargaining, mandatory fines, selective enforcement patrols, regular police patrols, and sobriety checkpoints). The 125 studies contained 664 distinct analyses that formed the basis for meta-analysis. All of the DWI control efforts were associated with reductions in drink-driving and traffic crashes. The DWI control literature is limited by the preponderance of weak study designs and reports that often fail to include basic data required for meta-analysis. Because of the poor quality of much extant research, we were limited to simple gain scores or percent change estimates in the current study. Further research that does not include appropriate research designs and analytic methods will be of limited utility. We recommend that all future reports include effect estimates and standard error estimates, minimum data required for effective meta-analysis.
Accidents, Traffic↗
Severe upper limb injuries in four passengers of a 'People Carrier'; the contribution of design faults.
Four passengers of a 'People Carrier' in a single vehicle motor accident sustained severe left upper limb trauma, when the vehicle rolled onto the near side. These injuries were directly attributable to the large glass interface between patient and road. The glass windows shattered on contact, providing no protection and in effect created a secondary injury mechanism. We advocate both the use of laminated side windows and mandatory testing of 'roll-over' characteristics for these 'People Carriers' to reduce the incidence of such injuries.
Accidents, Traffic↗
In vitro response of peripheral blood mononuclear cells to phytohemagglutinin and interleukin-2.
The serological determination of class II antigens is still a mandatory test prior to allotransplantation. It is known that these antigens are normally expressed on B lymphocytes and monocytes. The B lymphocytes that constitute 10% to 15% of total blood lymphocytes are the cells currently used for HLA-DR typing. To avoid HLA-DR typing difficulties, or even impossibilities that are frequently encountered among some patient groups, we studied the response of peripheral blood mononuclear cells--as an alternative source of cells for class II antigen typing--to in vitro mitogen and interleukin-2 activation and propagation. Although the patients included in this study were selected having previously known HLA-DR typing difficulties, all could be adequately typed by this method.
B-Lymphocytes↗
Prostitution, AIDS, and preventive health behavior.
Although considerable attention has been placed on the role of prostitutes in the AIDS epidemic, little attention has been directed to features of prostitutes' work lives which are relevant to the control of AIDS. This article reviews several aspects of prostitution in the United States which have implications for control of the epidemic. The article first reviews the epidemiology of human immunodeficiency virus (HIV) infection among prostitutes. The legalized system of prostitution in Nevada serves as a basis for comparison to illegal prostitution. This article examines the effectiveness of mandatory testing of prostitutes for monitoring and controlling the epidemic. And finally, a peer education approach as a means to control HIV infection among prostitutes is explored.
Acquired Immunodeficiency Syndrome↗
Radon mitigation in domestic properties and its health implications--a comparison between during-construction and post-construction radon reduction.
Although United Kingdom (UK) Building Regulations applicable to houses constructed since 1992 in Radon Affected Areas address the health issues arising from the presence of radon in domestic properties and specify the installation of radon-mitigation measures during construction, no legislative requirement currently exists for monitoring the effectiveness of such remediation once construction is completed and the houses are occupied. To assess the relative effectiveness of During-Construction radon reduction and Post-Construction remediation, radon concentration data from houses constructed before and after 1992 in Northamptonshire, UK, a designated Radon Affected Area, was analysed. Post-Construction remediation of 73 pre-1992 houses using conventional fan-assisted sump technology proved to be extremely effective, with radon concentrations reduced to the Action Level, or below, in all cases. Of 64 houses constructed since 1992 in a well-defined geographical area, and known to have had radon-barrier membranes installed during construction, 11% exhibited radon concentrations in excess of the Action Level. This compares with the estimated average for all houses in the same area of 17%, suggesting that, in some 60% of the houses surveyed, installation of a membrane has not resulted in reduction of mean annual radon concentrations to below the Action Level. Detailed comparison of the two data sets reveals marked differences in the degree of mitigation achieved by remediation. There is therefore an ongoing need for research to resolve definitively the issue of radon mitigation and to define truly effective anti-radon measures, readily installed in domestic properties at the time of construction. It is therefore recommended that mandatory testing be introduced for all new houses in Radon Affected Areas.
Air Pollutants, Radioactive↗
Does participation in an epidemiological study improve appropriate prescription of screening mammography for asymptomatic women?
BACKGROUND: To analyze the effect of participating in an epidemiological study on quality of care (i.e., appropriate prescription of mammographic screening), we have analyzed data collected in the framework of a cross-sectional study conducted in Italy among women attending menopause clinics. METHODS: In 1997, a large cross-sectional study was organized on the characteristics of women who attended a network of first-level outpatient clinics for general counseling about menopause or treatment of menopausal symptoms. Women consecutively observed during the study were eligible, and the protocol did not set any exclusion criteria. All women who agreed to participate underwent a gynecological examination and were asked about their general characteristics and lifestyle habits, reproductive and menstrual history, and selected medical history. Laboratory and instrumental tests were required on clinical grounds; the protocol did not consider any test mandatory for all women, but all centers were asked to collect information on the examinations prescribed as routine clinical practice. The study began in 1997 in 25 centers. By March 1999, the number of centers had increased to 268 of which 63 were in the north, 81 in the center, and 124 in the south of Italy. Fewer than 3% of eligible women refused to participate. The study included 48,444 women. The present analysis looked at current attitudes toward screening mammography (SM) in asymptomatic women, as prescribed by gynecologists in menopausal centers in Italy. RESULTS: A SM was correctly requested in 55.6% of women who entered the study during the second semester of 1997. This rose to 72.8% by July-August 2000. The correct prescription of a SM was slightly higher in current users of hormonal replacement therapy (HRT) and lower in women aged 45-50 years, the differences being significant (P < 0.05). CONCLUSIONS: These results show that appropriate requests for SM increased in centers participating in a collaborative epidemiological study on menopause in Italy over a 3-year period.
Community Participation↗
HIV tests for babies to be mandatory in USA.
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AIDS Serodiagnosis↗