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At least 109 records · Page 6Linked to original sources
PubMed2001

Evaluation of a comprehensive school-based AIDS education programme in rural Masaka, Uganda.

A 19 activity extracurricular school-based AIDS education programme lasting 1 year was conducted in rural southwestern Uganda using specially trained teachers, and was evaluated using mutually supportive quantitative and qualitative methods. In total, 1274 students from 20 intervention schools and 803 students from 11 control schools completed questionnaires at baseline, and their classes were followed up. In addition, 93 students from five of the intervention schools participated in 12 focus group discussions. The programme had very little effect--seven of the nine key questionnaire variables showed no significant increase in score after the intervention. Data from the focus group discussions suggest that the programme was incompletely implemented, and that key activities such as condoms and the role-play exercises were covered only very superficially. The main reasons for this were a shortage of classroom time, as well as teachers' fear of controversy and the unfamiliar. We conclude that large-scale comprehensive school-based AIDS education programmes in sub-Saharan Africa may be more completely implemented if they are fully incorporated into national curricula and examined as part of life-skills education. This would require teachers to be trained in participatory teaching methods while still at training college.

Acquired Immunodeficiency Syndrome↗
PubMed1994

Antifungal properties of essential oils and their main components upon Cryptococcus neoformans.

Cryptococcus neoformans opportunistic fungus met in the last phasis of AIDS is inhibited in vitro by several essential oils on natural volatile compounds. The minimal inhibitory concentration may reach 100 microliters/l and minimal fungicidal concentration 200 microliters/l with Palmarosa or Cinnamon oils. Among phenolic compounds, thymol and carvacrol are most fungitoxic. Terpenoids, citral, geraniol, and citronellol show best activities.

AIDS-Related Opportunistic Infections↗
PubMed1998

Some aspects on radiation induced transmissible genomic instability.

The early observations on the possible induction of transmissible genomic instability after exposure to ionising radiation has received a strong support in the literature during the last 10 years. Aided by new research tools in biology, the better understanding of the mechanisms behind genomic instability leads to conclusions which are challenging the existing views on the interaction and response of the genome to radiation or chemicals. It has become commonly accepted that the full revelation of biological pathways leading to the loss of stability of the genome will also be a major step in the understanding of carcinogenesis. In this short review, some aspects of the recent knowledge and their implications are discussed.

Cell Death↗
PubMedDate not supplied

Phospholipid biosynthesis in the yeast Saccharomyces cerevisiae and interrelationship with other metabolic processes.

In this review, we have discussed recent progress in the study of the regulation that controls phospholipid metabolism in S. cerevisiae. This regulation occurs on multiple levels and is tightly integrated with a large number of other cellular processes and related metabolic and signal transduction pathways. Progress in deciphering this complex regulation has been very rapid in the last few years, aided by the availability of the sequence of the entire Saccharomyces genome. The assignment of functions to the remaining unassigned open reading frames, as well as ascertainment of remaining gene-enzyme relationships in phospholipid biosynthesis in yeast, promises to provide detailed understanding of the genetic regulation of a crucial area of metabolism in a key eukaryotic model system. Since the processes of lipid metabolism, secretion, and signal transduction show fundamental similarities in all eukaryotes, the dissection of this regulation in yeast promises to have wide application to our understanding of metabolic control in all eukaryotes.

CDPdiacylglycerol-Serine O-Phosphatidyltransferase↗
PubMed2002

Unique overlap in the prerequisites for thrombin inhibition and oral bioavailability resulting in potent oral antithrombotics.

Despite intense research over the last 10 years, aided by the availability of X-ray structures of enzyme-inhibitor complexes, only very few truly orally active thrombin inhibitors have been found. We conducted a comprehensive study starting with peptide transition state analogues (TSA). Both hydrophobic nonpeptide analogues as well as hydrophilic peptidic analogues were synthesized. The bioavailability in rats and dogs could be drastically altered depending on the overall charge distribution in the molecule. Compound 27, a tripeptide TSA inhibitor of thrombin, showed an oral bioavailability of 32% in rats and 71% in dogs, elimination half-lives being 58 and 108 min, respectively. The thrombin inhibition constant of compound 27 was 1.1 nM, and in an in vivo arterial flow model, the ED(50) was 5.4 nmol/kg.min, comparable to known non-TSA inhibitors. A molecular design was found that combines antithrombotic efficiency with oral bioavailability at low dosages.

Administration, Oral↗
PubMed2002

Modified solvent accessibility free energy prediction analysis of cyclic urea inhibitors binding to the HIV-1 protease.

One of the most successful drug targets against AIDS in the last decade has been the HIV-1 protease (HIV-1 PR), an enzyme that processes the polyprotein gene products into active replicative viral proteins. In our quest for a wide-ranging, binding free energy function we have extended the solvent accessibility free energy predictor (SAFE_p) method, recently developed for peptidic HIV-1 PR inhibitors, to the study of the binding of cyclic urea (CU) HIV-1 PR inhibitors. Our results show that there is a need for a specific term depicting polar contacts to be added to the original SAFE_p analytical expression, an outcome not seen in our studies of HIV-1 PR peptidic inhibitors. Nevertheless, despite the higher profile of the electrostatic interactions in the binding of the CU inhibitors, our analysis indicates that CU inhibitor binding is still driven by the hydrophobic entropic contribution, as much as for the peptidic inhibitors.

Binding Sites↗
PubMed1984

Heparin as a pharmacologic intervention to induce positive scintiscan in occult gastrointestinal bleeding.

The value of using heparin as a pharmacologic intervention to induce a positive scintiscan was studied in a patient with chronic occult gastrointestinal bleeding. When all standard diagnostic tests (upper and lower gastrointestinal series, upper and lower endoscopy, and conventional noninterventional Tc-99m RBC imaging) fail to detect and localize gastrointestinal bleeding in a patient who has definite clinical evidence (guaiac positive stool and dropping hemoglobin, hematocrit) of chronic occult gastrointestinal oozing, heparin may be used (with proper precaution) as a last resort to aid in the scintigraphic detection and localization of chronic occult gastrointestinal bleeding.

Erythrocytes↗
PubMed2001

Identifying the mental health needs of preschool children.

The city of Chicago offers publicly funded preschool education to 20,000 3- and 4-year-olds through its State Pre-Kindergarten program. The students attend some 300 schools, and their health needs are monitored by 11 nurses and 8 aides. In the last several years, the nursing coordinator recognized the need to improve the mental health assessment skills of the school nurses. To that end, a relationship was developed with a child psychiatric nurse who had expertise in assessing young children's behaviors, particularly in the context of the classroom milieu. The collaboration of the school nurse and mental health nurse-consultant was structured as one-on-one sessions, each focusing on a particular child. A case is presented to illustrate the assessment method and accompanying suggestions for early intervention strategies. The case also points out how school nurses can structure assessments of at-risk children that lead to classroom-based interventions.

Age Factors↗
PubMed2004

Waiting-list prioritization in the National Health Service.

The aim of this study was to find out whether there is a consensus of opinion among healthcare providers and different sections of the public on the relative prioritization of common otolaryngological conditions for outpatient consultations and inpatient treatment. ENT consultants, general practitioners, administrators, NHS employees, non-ENT patients and members of the general public were given common scenarios of otolaryngological conditions and asked to prioritize them in order of importance. All the groups gave top priority for patients with suspected cancer of the larynx (outpatients) and for surgical treatment of cancer. Children with hearing problems were more commonly ranked in the top three categories than children requiring treatment for sore throats. All groups assigned those requiring rhinoplasty, treatment for snoring or hearing aids to the last three ranks. This study shows that there is a remarkable uniformity of opinion in determining clinical priorities which is similar to the traditional policies practised by UK ENT consultants.

Adult↗
PubMed1997

Thoracic imaging--then and now.

The chest radiograph has proved a robust diagnostic aid over the last century. The accumulation of knowledge about chest disease by radiography has been gained slowly during the last 90 years. New impetus has been given by the development of computed tomography and the recent refinements of high resolution and spiral computed tomography. The pathophysiological insights provided by these new techniques have been obtained in a remarkably short period, with the promise of more to come.

Humans↗
PubMed1998

Hypoglycemia in childhood: a clinical approach.

A child with hypoglycemia presents very frequently an urgent diagnostic and therapeutic challenge. The main causes of hypoglycemia and the clinical approach and laboratory investigations are reviewed underlining that the relationship between the hypoglycemic event and the last meal can aid in diagnosis, in particular for metabolic diseases. Only a correct and precise diagnosis can allow adequate and appropriate treatment and prevention of future hypoglycemic events.

Child↗
PubMed1987

Evaluating the client with physical disabilities for wheelchair seating.

Positioning through wheelchair seating allows many severely physically disabled individuals to use their motor skills to access technical aids. In the last 10 years, many products relating to wheelchair seating have been developed and are now being used. This article outlines evaluation and prescription guidelines that lead to the accompanying recommendations for seating. Categories for matching disability type/severity to seating methods are presented.

Activities of Daily Living↗
PubMedDate not supplied

Microenterprise in health care and health education.

Over the last decade, development aid has increasingly used a more collaborative model, with donors and recipients both contributing ideas, methods and goals. Though many examples of collateral aid projects exist in agriculture, business administration and banking, few have found their way into health care and health education, a typically donor-dominated model. The following case report describes a collateral project in health care education. This case report analyzes data-inducing project proposals, personal interviews and project reports obtained through standard archival research methods. The setting for this joint project was the collaboration between international nongovernmental (NGO) aid foundations and the faculty of a major sub-Saharan African Medical School's Department of Anesthesia. The initial goal of this project was to improve record keeping for all anesthetic records, both in the operating theatres and outside. Analysis of the data was performed using ethnographic methods of constant comparative analysis. The purpose of the analysis was to critically evaluate both the goals and their results in the Department of Anesthesiology. The findings of this analysis suggested that results included not only quality assurance and improvement programs in the department but also advances in the use of critical incidents as teaching tools, hospital-wide drug and equipment utilization information and the initiation of an outreach program to district hospitals throughout the country for similar projects.

Africa South of the Sahara↗
PubMed2001

Measuring legal implementation of the international guidelines on HIV/AIDS and human rights.

With over 36 million people now living with the virus and over 21 million people dying of AIDS in the last two decades, HIV/AIDS is a global health and security problem. These shocking figures eclipse the human toll of many wars, and reveal in themselves that human rights are not being respected, protected, or fulfilled, either through negligent omissions or violations. A human rights approach to the epidemic was advocated early by advocates such as Jonathan Mann, who recognized that infections thrived in conditions of inequality. This approach was crystallized in the International Guidelines on HIV/AIDS and Human Rights that were developed at the Second International Consultation in 1996 convened by UNAIDS and the Office of the High Commissioner for Human Rights. The Guidelines cover three main areas: improving governmental responses in terms of multisectoral responsibility and accountability; widespread law reform and legal support services; and supporting increased private sector and community participation in effective responses to the epidemic. This article focuses on the half of the twelve Guidelines that concern rights that are justiciable and amenable to law reform. It highlights the responsibilities of States Parties to human rights treaties, as they bear the principal burden of the obligations to implement.

Global Health↗
PubMed1976

Artificial insemination using donor semen: a review of 171 cases.

This report represents a summary of our experience with 171 unselected cases of artificial insemination by donor (AID) over a 4-year period. It must be stressed that the study was retrospective and subject to many of the problems of analyzing such data. However, the information gained may aid the clinician in his approach to candidates for AID. The most critical points revealed by the survey are as follows: 1. Age, length of infertility, and proven fertility, within certain limitations, appear not to be of prime importance in determining the outcome of AID. 2. Of those patients conceiving, the majority will do so within three cycles of exposure, and 90% will have done so within six cycles of exposure. 3. An adequate trial of AID therapy should last at least 6 months. 4. Although the frequently reported conception rate of up to 70% may be expected in patients with correctable anovulation or with normal reproductive organs, a marked diminution in the success rate should be expected in candidates with disorders such as endometriosis, tubal disease, pelvic adhesions, and uterine abnormalities.

Adult↗
PubMed1992

Diagnosis of mycobacterial infection in acquired immunodeficiency syndrome (AIDS) patients and HIV carriers.

Differences in tuberculosis diagnosis between infected and non-infected HIV patients were described. In Barcelona, tuberculosis is present in 41.6% of 851 patients in whom AIDS was detected between 1981 and the first quarter of 1990. We reviewed the results of the methods used for tuberculosis diagnosis in 270 AIDS patients controlled in our hospital, in whom tuberculosis was detected (33.3%), and we compared these data with the results obtained in HIV carriers with tuberculosis and with tuberculous patients without HIV infection. Statistically significant differences were found between the three groups with respect to sex, age, results of Ziehl-Neelsen stain in pulmonary specimens and skin test reaction; between AIDS patients and the non-HIV infected population differences were observed in tuberculosis site. Positive skin test reaction diminished from tuberculous individuals non-HIV infected (95%), to HIV carriers with tuberculosis (71.8%) and AIDS patients with tuberculosis (21.8%). Acid-fast smears from pulmonary specimens were positive in 35.7%, 23.5% and 43.7% respectively. Statistically significant differences were found in tuberculosis localization between tuberculous patients non-HIV infected and tuberculous patients with AIDS, in the last group tuberculosis lymphadenitis was the most frequent localization (33.3%) of extrapulmonary tuberculosis, followed by abdominal tuberculosis (15.5%). The incidence of HIV infection among tuberculous patients was 4.6 in our study, but could be higher if patients between 19 and 30 years old were always checked for anti-HIV antibodies.

Acquired Immunodeficiency Syndrome↗
PubMed2003

HIV/AIDS Community Health Information System.

Given changes in the faces of AIDS over the last decade, it is crucial that disparities in health and access to healthcare are addressed. An Internet-based GIS was developed using ESRI's Arc Internet Map Server (Arc IMS) to provide users with a suite of tools to interact with geographic data and conduct spatial analyses related to the characteristics that promote or impede the provision of HIV-related services. Internet Mapping allows those engaged in local decision-making to: (1) geographically visualize information via the Internet; (2) Assess the relationship between the distribution of HIV services and spatially referenced socio-economic data; and (3) generate "what if" scenarios" that may direct the allocation of healthcare resources.

Acquired Immunodeficiency Syndrome↗
PubMed2006

Brazil's fight against AIDS and its implications for global health governance.

The paper traces Brazil's efforts to fight AIDS in the last 20 years. The analysis concentrates on the efforts to combat and prevent the deadly infectious disease through ingenious efforts of private citizens, government agencies, national and international NGOs, which challenged multinational companies, international organizations and foreign governments. While the investigation led to a positive evaluation of the joint efforts in managing the threat, it is made clear that the fight against the HIV/AIDS virus is far from over in Brazil and will have to be strengthened on the local, national and international level.

Acquired Immunodeficiency Syndrome↗