Gene/Protein Disease Symptom Drug Enzyme Compound
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 34,133 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Regional practice-based network research has grown significantly in the past 15 years. Previous studies have reported on characteristics of physicians who participate in network research, but little is known about the specific a priori research interests of practicing physicians. Knowledge of such interests could be useful in planning network research studies. We conducted a mail survey to assess the research interests of primary care physicians in two contiguous research networks at the University of California at San Francisco (UCSF) and at Stanford University. Among 120 respondents from the UCSF Collaborative Research Network and 85 from the Stanford Ambulatory Research Network, the most common topics of interest were disease prevention, communication and compliance, and managed care. Among specific conditions, heart disease, hypertension, and respiratory infection were of interest to the majority of respondents. Topics not of interest to network members were obstetrics, diagnostic procedures, alcoholism, drug abuse, tuberculosis, male genito-urinary problems, occupational hazards, domestic violence, and AIDS and HIV. Identification of network physician research interests can help focus research and recruitment efforts on topics of interest and provide estimates of participation levels for planning studies and preparing funding applications for research networks.
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PMID:Research interests of physicians in two practice-based primary care research networks. 992 31

Significant mental and physical morbidity occurs among gay and bisexual men because health care providers are often unaware of their actual or potential health concerns. Mental health problems include anxiety, depression, suicide, and both alcohol and substance abuse. Physical health concerns include HIV disease, hepatitis, and other sexually transmitted diseases, as well as an increased risk of heart disease and certain cancers. Health care professionals, who are clinically competent in the care of men who have sex with men, have the opportunity to reduce the risk of disease, while providing unbiased, quality care which recognizes the unique problems of this population of men.
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PMID:Health problems of gay and bisexual men. 1031 26

Probiotics are specific products of microorganisms, and by being biologically active positively act on stabilizing the bacteriological flora of the gastrointestinal tract. They are live or lyophilized bacterial cultures, especially those derived from lactic fermentation (Lactobacillacea and Streptococcacea). The first to use the term probiotics were Lilly and Stillwell in 1965 when referring to substances produced by protozoa, which in turn stimulated the growth of other organisms. Probiotics are devoid of side affects and do not cause accumulation of toxic substances in the body. They are administered for therapeutic, prophylactic and nutritional purposes both in humans and in animals. Interest into probiotics has been spurred on by the growing abundance of civilization disorders such as neoplasms, atherosclerosis, heart disease, hypertension and HIV infection. Probiotics are potentially capable of annihilating these disorders. Starter cultures are pure mixed bacterial, fungal or mold cultures which by transformation of their metabolism faciliate favourable changes in apperance, aroma, consistency, and durability of foodstuffs. Contemporary knowledge concerning probiotics and their action is derived from many years of tradition in consumption of fermented milk products and the documentation of much research into strains of lactic bacteria, their harmless action on health and overall beneficial effect.
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PMID:[Probiotics and their therapeutic properties]. 1044 11

Deaths from infectious diseases have declined markedly in the United States during the 20th century. This decline contributed to a sharp drop in infant and child mortality and to the 29.2-year increase in life expectancy. In 1900, 30.4% of all deaths occurred among children aged <5 years; in 1997, that percentage was only 1.4%. In 1900, the three leading causes of death were pneumonia, tuberculosis (TB), and diarrhea and enteritis, which (together with diphtheria) caused one third of all deaths. Of these deaths, 40% were among children aged <5 years. In 1997, heart disease and cancers accounted for 54.7% of all deaths, with 4.5% attributable to pneumonia, influenza, and human immunodeficiency virus (HIV) infection. Despite this overall progress, one of the most devastating epidemics in human history occurred during the 20th century: the 1918 influenza pandemic that resulted in 20 million deaths, including 500,000 in the United States, in <1 year-more than have died in as short a time during any war or famine in the world. HIV infection, first recognized in 1981, has caused a pandemic that is still in progress, affecting 33 million people and causing an estimated 13.9 million deaths. These episodes illustrate the volatility of infectious disease death rates and the unpredictability of disease emergence.
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PMID:Control of infectious diseases. 1045 35

RSV is the most important respiratory pathogen in infants and young children. About 1% of primary RSV infections result in hospitalization. The virus is spread by large droplets of secretions or contact with contaminated secretions. Infants infected with RSV may demonstrate poor feeding, rhinorrhea, apnea, lethargy, wheezing, and respiratory distress. Diagnosis may be made by clinical signs and symptoms (especially those observed during epidemics), by chest radiographs showing hyperinflation, or by rapid antigen detection with immunofluorescence of nasopharyngeal aspirates. Risk factors for severe disease accompanied by complications include chronic heart disease, chronic lung disease, immunodeficiency, HIV, and prematurity. Immunity is incomplete and of short duration, and reinfection is common. Treatment remains supportive and consists of oxygen administration, hydration, and diligent monitoring. Use of corticosteroids, bronchodilators, antibiotics, and ribavirin is controversial and is dependent largely on physician preference. Use of ribavirin should be reserved for patients who have severe underlying conditions associated with increased mortality rates. Intravenous RSV Ig has been replaced by palivizumab, which is generally recommended for infants at high risk for severe RSV, including those with a history of prematurity and those with chronic lung disease.
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PMID:RSV infection in infants and young children. What's new in diagnosis, treatment, and prevention? 1060 68

Many of the diseases that cause premature illness and death--including some cancers, heart disease, and AIDS--could be prevented if persons made behavior changes to reduce their risk for developing the illnesses. Over the past two decades, there have been great advances in our scientific understanding of how to promote health risk behavior change. This paper briefly reviews elements and examples of effective behavior change interventions, including programs that can be offered in service settings as well as community-level interventions. The prevention of diseases through behavioral public health interventions requires the investment of funds but can reduce burdens on health care systems, reduce the human toll caused by premature deaths, and be highly cost-effective. A remarkable number of diseases could be prevented if individuals were effectively assisted in changing the risk behaviors responsible for those illnesses. The causal association between cigarette smoking and lung cancer, other pulmonary diseases, and cardiovascular disease is well-known, and millions of premature deaths could be prevented if people stopped smoking cigarettes. Deaths due to cardiovascular disease could be dramatically reduced if persons made behavioral and lifestyle changes to improve their fitness through exercise, obesity reduction, and maintenance of low blood cholesterol levels. The World Health Organization estimates that over 45 million persons worldwide have already contracted HIV infection, and nearly 1 million of these cases are in the United States. Over 40,000 Americans continue to contract HIV infection each year. Virtually every new case of HIV infection is preventable if individuals at risk made changes in their sexual or drug use practices. While lung cancer, cardiovascular disease, and AIDS are three of the clearest examples, persons' behavior plays a direct or a contributing role in the development of many other diseases that cause premature death or that worsen health and life quality. Recognition of the link between behavior and preventable illness--and recognition that enormous health, economic, and quality of life benefits could be realized through healthier behavior patterns--is not new. We have known all of this for a long time. We have also known for a very long time that helping people to successfully change risky behavior habits is often very difficult. Over the past 20 years, a field of scientific study and applied practice has developed with the purpose of better understanding why persons engage in health risk behavior patterns and developing approaches to help people change these patterns. Under the rubric of "behavioral medicine", this field makes use of behavioral science theory and behavior change techniques applied to health and disease prevention.
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PMID:Behavior changes & disease prevention: MCW research shows effectiveness of HIV/AIDS risk reduction interventions. Medical College of Wisconsin. 1075 83

To achieve its national public health goals, the US must improve the health of low-income urban populations. To contribute to this process, this study reviewed published reports of health promotion interventions designed to prevent heart disease, HIV infection, substance abuse, and violence in US cities. The study's objectives were to describe the target populations, settings, and program characteristics of these interventions and to assess the extent to which these programs followed accepted principles for health promotion. Investigators searched five computerized databases and references of selected articles for articles published in peer-reviewed journals between 1980 and 1995. Selected articles listed as a main goal primary prevention of one of four index conditions; were carried out within a US city; included sufficient information to characterize the intervention; and organized at least 25% of its activities within a community setting. In general, programs reached a diverse population of low-income city residents in a variety of settings, employed multiple strategies, and recognized at least some of the principles of effective health promotion. Most programs reported a systematic evaluation. However, many programs did not involve participants in planning, intervene to change underlying social causes, last more than a year, or tailor for the subpopulations they targeted, limiting their potential effectiveness. Few programs addressed the unique characteristics of urban communities.
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PMID:Health promotion in the city: a structured review of the literature on interventions to prevent heart disease, substance abuse, violence and HIV infection in US metropolitan areas, 1980-1995. 1097 17

N-acetylcysteine (NAC) is the acetylated precursor of both the amino acid L-cysteine and reduced glutathione (GSH). Historically it has been used as a mucolytic agent in chronic respiratory illnesses as well as an antidote for hepatotoxicity due to acetaminophen overdose. More recently, animal and human studies of NAC have shown it to be a powerful antioxidant and a potential therapeutic agent in the treatment of cancer, heart disease, HIV infection, heavy metal toxicity, and other diseases characterized by free radical oxidant damage. NAC has also been shown to be of some value in treating Sjogren's syndrome, smoking cessation, influenza, hepatitis C, and myoclonus epilepsy.
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PMID:N-acetylcysteine. 1105 17

The use of outpatient parenteral antibiotic therapy (OPAT) has enjoyed substantial success in Italy, where patients generally believe that treatment at home is better than in the hospital. Intramuscular administration, which is commonplace in Italy, facilitates OPAT, requiring minimal training and circumventing intravenous access problems. The Italian OPAT model is a general practice-based model, but a team approach is used in the presence of severe disease, such as HIV. Seven centers in Italy are participating in the International OPAT Outcomes Registry, and have enrolled about 200 patients over 8 months. Eighty patients (40%) were treated for lower respiratory tract infections (60 pneumonia, 20 bronchitis). Most pneumonia patients had concomitant disease, including chronic heart disease, HIV and cancer. The most frequently used therapy was ceftriaxone, which permits once-daily convenience due to its prolonged half-life. Antibiotics were administered intramuscularly in more than 50% of cases. Clinical outcome was excellent, and patient and physician satisfaction was high.
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PMID:Treatment of lower respiratory tract infections in Italy: the role of outpatient parenteral antibiotic therapy. 1109 87

BACKGROUND: The racial gap in life expectancy between whites and blacks fluctuated from 7.6 to 5.7 years from 1970-1996, but the causes of this gap and the years required to eliminate it remain unclear. This paper analyzes the leading causes of death and how they contribute to the racial gap in life expectancy, and estimates the number of years required to eliminate this gap. METHODS: Standard abridged life table methods and life table partitioning techniques were used to estimate the total and the cause-specific racial gap in life expectancy. Cause-specific mortality rates by age, sex, and race in the United States from 1970-1996 were obtained from the Centers for Disease Control and Prevention. The predictions of years needed to eliminate the racial gap in life expectancy are based on international and domestic trends in life expectancy improvement. RESULTS: The racial gap in life expectancy declined before 1982, increased from 1982 to 1989, and slowly declined after 1989. In 1996, about 54% and 62% of the racial gap was attributable to cancer, heart disease, homicide, and HIV for females and males, respectively. If blacks could experience substantial improvement in life expectancy, the current racial gap in life expectancy could be eliminated in about 40 years. CONCLUSIONS: The goal of eliminating the racial gap in life expectancy is a critical national priority. Differences in life expectancy are the result of multiple health and socioeconomic determinants, which will require multiple intervention strategies. The time it will take to reduce the overall gap will depend on the speed of reduction of the leading cause-specific mortality differences, which will require intensified efforts in both prevention and treatment.
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PMID:How Fast Can the Racial Gap in Life Expectancy Between Whites and Blacks Be Eliminated? 1110 6


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