Gene/Protein Disease Symptom Drug Enzyme Compound
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The aim of the present study was to formally evaluate the effectiveness, professional appropriateness and acceptability of the extended role of the nurse practitioner at the Kirketon Road Centre (KRC) in Sydney, Australia. Data collection consisted of client and staff surveys and case file review by two assessors (one medical and one nursing). This paper will report on one section of this research, namely the case file review section of the study. Total study subjects were 1046 'at risk' youth, sex workers and injecting drug users attending KRC for their primary health care needs between September 1994 and April 1995. Nurse practitioners (NP) saw 613 of the clients who presented over this period. The majority of these clients were women (77.3%). The majority of NP consults were related to STD (51%), gynaecological (17%) and hepatitis (16%) issues. The results demonstrated that nurse practitioners were professionally appropriate in all aspects of expected 'best practice' in over 95% of consultations.
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PMID:Nurse practitioners: an evaluation of the extended role of nurses at the Kirketon Road Centre in Sydney, Australia. 1187 3

A cross-sectional epidemiology study evaluated the role of sexual activity and sexually transmitted diseases (STDs) in the transmission of hepatitis G virus (HGV/GBV-C) and other hepatitis virus infections in 944 subjects. There was a statistically significant higher prevalence of HGV/GBV-C, hepatitis B virus, and hepatitis C virus exposure in the STD clinic group (i.e., subjects who were currently seeking treatment for an STD) compared with the group who never had received treatment for an STD. In a comparison of the subjects with an STD versus those without an STD, the prevalence of HGV/GBV-C was 11.3% versus 4.9%, on the basis of polymerase chain reaction (PCR) results alone, and 36.6% versus 8.8%, when results of PCR and enzyme-linked immunosorbent assay were combined. Sexual activity and, possibly, the presence of an STD increases the risk of HGB/GBV-C transmission.
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PMID:Evidence for probable sexual transmission of the hepatitis g virus. 1191 90

A recombinant-antigen enzyme immunoassay (EIA), BioSCREEN anti-Treponema pallidum, was compared favorably with the T. pallidum hemagglutination test, in the detection of specific antibodies in different groups of sera from patients with primary (n = 38), secondary (n = 10), early latent (n = 28) and congenital syphilis (n = 2), patients with leptospirosis ( n= 8), infectious mononucleosis (n = 7), hepatitis (n = 9), diabetes mellitus (n = 11), rheumatoid arthritis (n = 13), leprosy (n = 11), tuberculosis (n = 9), HIV/Aids ( n= 12), systemic lupus erythematosus (n = 4), rheumatic fever (n = 3), old-persons (n = 9), pregnant women (n = 29) and blood donors (n = 164). The coincidence between them was 95.1%. The sensitivity and specificity of the EIA were 93.3% and 95.5%, respectively. Fifteen serum specimens belonging to old-persons, pregnant women, blood donors, and patients with human leptospirosis, hepatitis, diabetes mellitus, tuberculosis and rheumatic fever gave false-positive results by Venereal Disease Research Laboratory and/or Rapid Plasma Reagin. The EIA can be used as alternative method for the serological confirmation of syphilis.
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PMID:Comparison of a recombinant-antigen enzyme immunoassay with Treponema pallidum hemagglutination test for serological confirmation of syphilis. 1204 63

Sexually transmitted diseases (STDs), especially genital ulcers, facilitate HIV transmission. Prevention and control of STDs could reduce HIV transmission in sub-Saharan Africa where the STD prevalence is still high. The principles of primary health care (PHC) should guide coordinated or integrated AIDS and STD programs in sub-Saharan Africa. WHO recommends implementing the following AIDS prevention and control activities: district-based epidemiological surveillance, education and communication efforts, blood safety, nursing care, counseling, and activities targeting youth, women, and workers at risk. PHC funding is still low in sub-Saharan Africa, even though health professionals have been involved in intensive efforts to mobilize and coordinate national and international financial support for AIDS control programs. Expenditures on infrastructure and training beyond current practical levels are needed to achieve WHO recommendations. The POD from the Shanning Group can address sub-Saharan Africa's problems with using mobile clinic/laboratory facilities. The major problems are cost and difficult terrain. The POD is a modular demountable unit that can be removed from the vehicle for use as a self-supporting facility. The vehicle is then free for other uses. The POD's uses span from a simple examination and STD treatment facility to a sophisticated laboratory conducting basic STD testing as well as HIV and hepatitis ELISA testing. In fact, the POD can serve both roles simultaneously. The Shanning Group also has an audio-visual POD which can present STD educational material to a wide audience.
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PMID:Mobile health units and STD control. 1234 59

Despite the availability of vaccines against hepatitis A and B, acute viral hepatitis due to these agents continues to be among the most commonly reported notifiable infectious diseases in the United States. Currently available hepatitis A and B vaccines are highly immunogenic and well tolerated, but vaccine coverage needs to be expanded. Use of the hepatitis A vaccine in children age 2 years and older should be more widespread than is currently the case. Hepatitis A vaccine has been shown to be cost effective when given to children in regions with high attack rates and to patients with chronic hepatitis C. Routine newborn immunization against hepatitis B has been a successful approach to disease control and is among the most cost-effective interventions. Use of the hepatitis B vaccine for all sexually active individuals with more than one sex partner should be recommended for this sexually transmitted disease. The availability of a combined hepatitis A and B vaccine should facilitate vaccine coverage in those individuals at risk for both infections. For those hepatitis infections for which no vaccine is currently available, namely hepatitis C, D, and E, reducing exposure risk by modifying lifestyle behaviors is the only control measure available. Early education and counseling about high-risk behaviors for the acquisition of blood-borne hepatitis viruses needs to be expanded to young children and adolescents. The eventual eradication of hepatitis virus infections through universal immunization is plausible for those agents for whom human beings are the only host and effective vaccines have been developed. If hepatitis E is shown to be a zoonosis with an extensive reservoir in pigs, eradication of this agent may be very difficult.
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PMID:Prevention of Viral Hepatitis. 1240 82

It is generally understood that hepatitis B and hepatitis C may be sexually transmitted. During the last decade there was a sharp growth of hepatitis B and C in Russia. In comparison to 1992 the incidence of hepatitis B in Russia rose two-fold and in 1999 there were 43.31 cases per 100,000 of population (in some cities up to 150/100,000 and even more). The incidence of hepatitis C in 1999 (19.31 per 100,000 of population) rose to six times more than in 1994. At the same time there was a dramatic growth in syphilis and other sexually transmitted infections in Russia. The proportion of sexual transmission of hepatitis B virus (HBV) and hepatitis C virus (HCV) compared with other routes of transmission increased. According to the data from Moscow City Centre of Epidemiology during the last two years, up to 40% cases of HCV and HBV were sexually transmitted. The most dramatic growth of registered cases of hepatitis was seen among the sexually active population aged 14-29. Confirmation of the sexual route of transmission of HBV and HCV in teenagers was seen when the results of the study showed various markers of HBV and HCV to be significantly more common among sexually active (n = 45) than sexually inactive (n = 341) teenagers (13.33% vs. 4.39% for HBsAg; 46.67% vs. 12.61% for HBsAg+anti-HBs+anti-HBc; 9.47% vs. 3.95% for anti-HCV, respectively).
Int J STD AIDS 2002 Dec
PMID:Significance of sexual route of transmission of hepatitis B and C in Russia. 1253 18

The mean risk of acquiring HIV after an occupational exposure, injecting drug use or sexual exposure varies from < 0.1 to 3%. A high plasma HIV-RNA of the source increases the risk of each of the exposures. Other factors, such as the volume of the inoculum involved to which the individual was exposed, other sexually transmitted diseases and ruptures of mucous membranes are associated with a higher risk of HIV transmission. Based on the calculated risk, post-exposure prophylaxis (PEP) should be recommended. In the Netherlands, prescription of PEP in the occupational setting is a standard procedure and has proved to be feasible. This was associated with a high percentage (62%) of mild and reversible toxicity and a small percentage (2%) of serious adverse events related to antiretroviral drugs, i.e. nephrolithiasis (due to indinavir) and toxic hepatitis (due to nevirapine). In The Netherlands so far no HIV-seroconversions have been recorded after an occupational accident.
Int J STD AIDS 2002 Dec
PMID:Post-exposure prophylaxis. 1253 23

The sequelae of hepatitis B virus infection include fulminant liver failure, chronic liver disease, hepatocellular carcinoma, and death. The hepatitis B vaccine is efficacious, safe, and cost-effective, but has been consistently underutilized in high-risk adults despite long-standing recommendations. Instituting routine hepatitis B vaccination for high-risk adults in settings such as prisons and jails, sexually transmitted disease clinics, drug treatment centers, and needle exchange programs could prevent up to 800 cases of hepatitis, and 10 deaths from hepatitis, per 10,000 vaccinations, with an overall cost savings. Low rates of completion of the three-dose series and lack of funding for adult immunizations have always been challenges to offering hepatitis B vaccines to high-risk adults. However, there is benefit to an incomplete vaccination series, and high-risk populations are accessible for follow-up vaccination outside of traditional medical settings. A clear national objective and federal funding for vaccinating high-risk adults are needed.
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PMID:A review of the case for hepatitis B vaccination of high-risk adults. 1268 60

Our aim was to ascertain current guidelines and clinical practices prevalent in HIV treatment centres in the North Thames Region of England on the care of patients co-infected with HIV and hepatitis B or C. A self-completed postal survey of clinic guidelines and retrospective case-note reviews was performed. Fifteen of the 27 units completed the survey and generally had clinic guidelines consistent with current national guidelines. Stated policy was usually to screen HIV patients for hepatitis B virus (HBV) and hepatitis C virus (HCV) and to offer specific therapy for the hepatitis as well as the HIV. Many units were unable to contribute cases to the case-note review, probably through lack of case-identification, and therefore 11 units contributed 27 case-note reviews on HIV/HBV and five units contributed 11 case-note reviews on HIV/HCV. Fifty-six percent (25/45) of patients of HBV patients were HBeAg+ve and 88% (22/25) of these had received specific hepatitis B therapy although for 59% (13/22) this was with lamivudine as part of a highly active antiretroviral therapy regimen. None of the HIV/HCV patients had received or been referred for HCV-specific therapy. Testing for hepatitis A immunity in HBV or HCV patients with a view to vaccination was done in only 50% although 96% of HIV/HCV patients had been screened for HBV. There are significant differences between the clinics' intended and actual management of HIV and chronic viral hepatitis co-infection.
Int J STD AIDS 2003 Jul
PMID:Management of HIV and hepatitis B or C co-infection in 15 HIV treatment centres. Disparity between protocols and practice. 1286 27

How to handle Western blot (WB) seroindeterminate individuals for Human T-lymphotropic Virus 1/2 (HTLV-1/2) constitutes a challenge for blood banks and families. We made a cross-sectional study of 191 enzyme linked immunoassay (EIA) reactive individuals from the hematological center (HEMOCE) of Fortaleza (Brazil), examining their serological (WB) and molecular (PCR) diagnosis, and demographic profiles, as well as a possible association of their condition with other infectious pathologies and risk factors. Ethical institutional approval and personal consent were obtained. Out of 191 EIA reactive individuals, 118 were WB seroindeterminate and 73 were seropositive for HTLV-1/2. In the PCR analysis of 41 WB seroindeterminate individuals, 9 (22%) were positive and 32 (78%) were negative for HTLV-1/2. The demographic analysis indicated a trend towards a predominance of males among the seroindeterminate individuals and females in the seropositive ones. The seroindeterminate individuals were younger than the seropositive ones. We did not find any association of these conditions with syphilis, Chagas disease or HIV or hepatitis, and with risk factors such as breast-feeding, blood transfusion, STD (syphilis) and IDU.
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PMID:Western blot seroindeterminate individuals for human T-lymphotropic virus I/II (HTLV-I/II) in Fortaleza (Brazil): a serological and molecular diagnostic and epidemiological approach. 1449 43


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