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PubMed1992

Noise-induced hearing loss in children.

Occupational noise exposure remains the most commonly identified cause of noise-induced hearing loss (NIHL), but potentially hazardous noise can be encountered during leisure-time activities. NIHL in the pediatric population has received scant attention. This study focuses on 114 children and adolescents (ages 19 and under: 90.3% males) who were diagnosed as having probable NIHL on the basis of history and audiometric configuration. In 42 children the loss was unilateral, while the remaining 72 had sensorineural losses of varying configurations in the contralateral ear. The mean age of referral for evaluation was 12.7 years (range 1.2 to 19.8, SD 4.21), although 26% of these losses were diagnosed in children aged 10 years and younger. Such irreversible, but potentially preventable losses, should be given high priority on the public health agenda. Comprehensive, age-appropriate educational programs must be developed for elementary and secondary students and their parents to acquaint them with potentially hazardous noise sources in their environment.

Adolescent↗
PubMed1997

Cardiovascular implications of smoking: the surgeon general's point of view.

One-fifth of all heart disease-related deaths are due to cigarette smoking. Smoking alone doubles the risk of heart failure. African Americans suffer the highest death rates from smoking among all U.S. population groups. Excess risk of heart disease caused by smoking can be reduced by half after just one year of quitting smoking. Therefore, the Agency for Health Care Policy and Research recommends that all patients who smoke be offered smoking cessation treatments such as nicotine replacement therapy, social supports, and skills training to achieve smoking abstinence. Such treatments should also include nutritional counseling and programs of appropriate physical activity. Other strategies to reduce the prevalence of smoking among youth include curtailing marketing efforts that glamorize smoking and strict enforcement of the minimum-age-of-sale laws. With proper nutrition, moderate physical activity, and the cessation of smoking, the risk factors associated with heart disease could be greatly reduced.

Adolescent↗
PubMedDate not supplied

States' control of prescription drug spending: a heterogeneous approach.

In an effort to balance Medicaid budgets, states use prescription drug cost containment tools in unique ways and in varying combinations. We report on the variability in state-level strategies to control the cost of prescription drugs and describe broad state-to-state differences in per beneficiary spending on drugs. This heterogeneity raises the question of appropriate state program variability. Research is needed to determine the medically, ethically, and legally most suitable means of controlling drug costs, especially as the Medicare Part D drug plan will likely recapitulate the prescription drug program variability observed among the states.

Aged↗
PubMed2002

Additional proteins in BAL fluid of Metsovites environmentally exposed to asbestos: more evidence of "protection" against neoplasia?

INTRODUCTION: Inhabitants of Metsovo in northwest Greece have been exposed to asbestos from use of a tremolite-containing whitewash ("luto" soil). As a result, they have increased incidence of malignant pleural mesothelioma and pleural calcifications (PCs). However, subjects with calcifications have a much lower incidence of mesothelioma than those without. A previous study of the two groups with BAL revealed higher proportional lymphocytosis among subjects with calcifications. We suggested that BAL lymphocytosis may be somehow correlated with "protection" against neoplasia. METHODS: The present report is a study of the liquid phase of BAL in the two groups. BAL specimens of 43 Metsovites (13 subjects with PCs and 30 subjects without PCs) and two control groups were examined. We measured total protein, albumin, IgG, IgA, and interleukin-6. Proteins were analyzed with sodium dodecyl sulfate-polyacrylamide gel electrophoresis and two-dimensional electrophoresis and further characterized using an appropriate computer program. RESULTS: The most interesting finding was the presence of two additional protein spots corresponding to the electrophoretic site of Ig heavy chain and C(4) component of complement. The two proteins were present in all Metsovites with PCs but in none without PCs and also in none of the control groups. CONCLUSION: This study further separates two groups of Metsovites with different reaction to asbestos, possibly as a result of different activation of alveolar macrophages. This difference leads the first group to the formation of PCs, BAL fluid lymphocytosis, and relative "protection" against malignancy, and the second group to no calcifications, no lymphocytosis, but also no protection against malignancy.

Adult↗
PubMed2007

Protein identification by tandem mass spectrometry and sequence database searching.

The shotgun proteomics strategy, based on digesting proteins into peptides and sequencing them using tandem mass spectrometry (MS/MS), has become widely adopted. The identification of peptides from acquired MS/MS spectra is most often performed using the database search approach. We provide a detailed description of the peptide identification process and review the most commonly used database search programs. The appropriate choice of the search parameters and the sequence database are important for successful application of this method, and we provide general guidelines for carrying out efficient analysis of MS/MS data. We also discuss various reasons why database search tools fail to assign the correct sequence to many MS/MS spectra, and draw attention to the problem of false-positive identifications that can significantly diminish the value of published data. To assist in the evaluation of peptide assignments to MS/MS spectra, we review the scoring schemes implemented in most frequently used database search tools. We also describe statistical approaches and computational tools for validating peptide assignments to MS/MS spectra, including the concept of expectation values, reversed database searching, and the empirical Bayesian analysis of PeptideProphet. Finally, the process of inferring the identities of the sample proteins given the list of peptide identifications is outlined, and the limitations of shotgun proteomics with regard to discrimination between protein isoforms are discussed.

Amino Acid Sequence↗
PubMed1994

What is the cost of compliance?

The Association was long aware that compliance with infection control procedures and regulations was having a significant effect on dental practices. For that reason, findings from the current survey were not surprising. There was, however, an incontestable need to collect precise data on the impact infection control requirements were having on dental practices. This was particularly crucial given the marked differences between OSHA's own compliance cost estimates and the experiences of dental insurance carriers and dental practices. This article provides a brief overview of a very thorough and comprehensive survey. A more complete description of the findings will be presented to the 1994 ADA House of Delegates through council reports. Results also will be disseminated to ADA agencies for use in appropriate Association programs and activities.

Blood-Borne Pathogens↗
PubMed2000

Fetal size to final height in Hong Kong Chinese children.

OBJECTIVES: It has been known that size at birth is important for postnatal growth and final height. However, there are few data in the literature on the difference in height growth patterns from fetal size to final height between less privileged and more privileged populations. The aim of this study was to describe the important features in height growth from birth to maturity in an underprivileged Hong Kong Chinese cohort in comparison to a more privileged Swedish cohort. METHODS: The longitudinal height growth data from birth to maturity in full-term healthy Hong Kong Chinese children (n=132) who were born in 1967 were analyzed, and compared with those for Swedish children who were born in 1973-75 (n=3650). RESULTS: Children with longer birth length achieved taller adult stature with respect to their target height. The mean final height retained the same order as that of the mean length at birth for various birth length groups. All children in the Hong Kong Chinese series showed catch-down height growth during the first 2 years of life, in contrast to the catch-up in smaller babies and catch-down in larger babies for the Swedish series. The growth deficit for the Hong Kong Chinese was -0.9 SDS at birth, -1.8 SDS at 2.0 years of age, -2.1 SDS at 8 years of age, and -1.7 SDS at final height. CONCLUSIONS: Fetal size is important for postnatal growth and attained final height with respect to a child's familial genetic potential in stature, not only for privileged populations, but also for underprivileged populations. However, children in underprivileged populations experience a persistent increasing growth deficit during infancy and childhood. Special attention should be given to monitor their growth status in early years and to institute appropriate intervention programs.

Adult↗
PubMed2005

The politics of recognition in culturally appropriate care.

Over the last 20 years, the concept of culturally appropriate health care has been gradually gaining popularity in medicine and public health. In calling for health care that is culturally appropriate, minority groups seek political recognition of often racialized constructions of cultural difference as they intervene in health care planning and organization. Based on interview narratives from people involved in community organizing to establish a federally funded community health center in a mid-size New England city, I chart the emergence of a language of "culturally appropriate health care" in language used to justify the need for a health center. An identity model of recognition underlies the call for ethnic resemblance between patient and provider seen in many culturally appropriate care programs. I contrast this model of health care with earlier calls for community access and control by activists in the 1970s and explore the practical and theoretical implications of each approach.

Community Health Services↗
PubMed2006

Maternal perceptions of alcohol use by adolescents who drink alcohol.

OBJECTIVE: This research examines correlates of mothers' misperceptions of their adolescent children's regular alcohol consumption. Theories of adolescent autonomy, attribution processes, and stereotypes were used to make predictions about the biasing effects on attribution accuracy of maternal age, relationship satisfaction, and supervision of one's adolescent, as well as the adolescent's age, gender, physical development level, and peers. METHOD: The present research used a nationally representative sample of approximately 20,000 parent-adolescent dyads from the National Longitudinal Study of Adolescent Health (Add Health). Add Health is a school-based sample of 20,745 adolescents in Grades 7-12. Mothers indicated their perceptions of their adolescent children's alcohol use, and adolescents reported their actual use of alcohol. RESULTS: There was a tendency for mothers to underestimate alcohol use, sometimes substantially so. Maternal attributions followed a correlational pattern consistent with the scientific literature. There was evidence, however, that mothers may overgeneralize the applicability of these correlates, resulting in misattributions. CONCLUSIONS: Our analyses have important practical implications for parent-based intervention programs aimed at preventing adolescent alcohol use. First, programs should alert parents to the cues that signify adolescent alcohol consumption. Second, intervention programs should appropriately sensitize parents to identifying adolescent alcohol use in cases in which the child may not fit the stereotype of an adolescent drinker. Third, intervention messages should emphasize firm and consistent parental actions that minimize alcohol use independent of the particular cues that an adolescent is projecting.

Adolescent↗
PubMed1998

Adolescent heroin use: a review.

Use of heroin by American teenagers is beginning to show disturbing increases in national and statewide surveys. According to data from the 1997 National Institute on Drug Abuse monograph Monitoring The Future, heroin use by American high school 12th graders was 100% higher than it was from 1990 to 1996 (0.90-1.8%). In 1997, there was a further increase to 2.1%. Additional support for an increase in heroin use in the United States comes from analysis of recent survey data from California, Texas, and Maryland. Heroin imported from Colombia and from Mexico is now cheaper and of high potency, permitting novices to start with nasal administration of the drug. Most American adolescents now initiate heroin use by snorting it; however, frequent use of heroin by any route rapidly leads to tolerance and intense drug craving. Psychological dependence to heroin, and to the often exciting yet chaotic lifestyle of a heroin addict, is very difficult to overcome. Acute heroin withdrawal syndrome is usually not severe and most addicts in withdrawal can be managed in an outpatient setting. Naloxone must be used with great restraint and in smaller than usual doses in known heroin addicts. Successful long-term management often includes acute detoxification followed by long-term residential drug treatment. Managed care payment issues have impeded placement in appropriate treatment programs. Additional long-term management issues include regular attendance at 12-step meetings (Alcoholics Anonymous or Narcotics Anonymous), biweekly urine tests for drugs of abuse, attention to issues of dual diagnosis (group or family therapy), and reapproachment with family, school, and straight friends.

Adolescent↗
PubMed1999

Pediatricians' practices and attitudes regarding breastfeeding promotion.

OBJECTIVE: Public awareness of the benefits of breastfeeding is expected to increase during and after the national, federally funded Best Start Breastfeeding Promotion Campaign. It is anticipated that this will result in more breastfeeding-based interactions between families and pediatricians. The American Academy of Pediatrics conducted a survey of its members to identify their educational needs regarding breastfeeding to assist in the design of appropriate information programs. METHOD: An eight-page, self-administered questionnaire was sent to 1602 active Fellows of the American Academy of Pediatrics. RESULTS: The response rate was 71%. Breastfeeding, as the exclusive feeding practice for the first month after birth, was recommended by only 65% of responding pediatricians; only 37% recommended breastfeeding for 1 year. A majority of pediatricians agreed with or had a neutral opinion about the statement that breastfeeding and formula-feeding are equally acceptable methods for feeding infants. Reasons given for not recommending breastfeeding included medical conditions with known treatments that did not preclude breastfeeding. The majority of pediatricians (72%) were unfamiliar with the contents of the Baby-Friendly Hospital Initiative. The majority of pediatricians had not attended a presentation on breastfeeding management in the previous 3 years; most said they wanted more education on breastfeeding management. CONCLUSION: Pediatricians have significant educational needs in the area of breastfeeding management.

Adult↗
PubMed2003

Peutz-Jeghers syndrome: genetic screening.

Peutz-Jeghers syndrome is an autosomal dominant condition leading to gastrointestinal polyps which often causes bowel obstruction. This syndrome also predisposes to gastrointestinal, pancreatic, breast, uterine and other malignancies. Prognosis is likely to be improved by the early commencement of appropriate surveillance programs. Diagnostic and predictive genetic testing is now possible in many families due to identification of causative mutations in the serine/threonine kinase (STK)-11 (also known as the LKB1) gene. Such testing has now entered routine clinical practice and will allow early recognition of the condition in young, at-risk family members.

AMP-Activated Protein Kinase Kinases↗
PubMed2001

Lipid-lowering efficacy, safety, and costs of a large-scale therapeutic statin formulary conversion program.

STUDY OBJECTIVE: To assess the lipid-lowering efficacy, safety, and costs of a large-scale statin formulary conversion program. DESIGN: Prospective, observational study. SETTING: Tertiary academic medical center. PATIENTS: A total of 980 patients consented to participate; 942 patients completed the study. INTERVENTION: Patients were converted from their current statin therapy to either cerivastatin 0.4 or 0.8 mg/day, or simvastatin 80 mg/day, using a conversion algorithm. MEASUREMENTS AND MAIN RESULTS: Efficacy and safety were evaluated at baseline and after 6 weeks of therapy; costs were also measured. Overall attainment of the National Cholesterol Education Program (NCEP) goal for low-density lipoprotein cholesterol (LDL) increased from 64.8% to 74.5% of patients (p<0.001); mean LDL decreased from 115+/-30 mg/dl to 106+/-25 mg/dl (p<0.001). Adverse events occurred in 3% of patients, and included myositis (0.6%) and increased hepatic transaminases (0.1%). Overall costs were reduced by $115/patient treatment-year. CONCLUSION: Statin therapeutic interchange can improve lipid control at reduced costs. The possibility of uncommon but potentially serious adverse effects suggests that these programs require appropriate monitoring.

Aged↗
PubMed2004

Economics of antibiotic use policies.

Today more than ever, hospitals must effectively manage the use of antibiotics to control costs and preserve their usefulness. To achieve this goal, antibiotic management must evolve from overly simplistic antibiotic cost containment to more complex, multidisciplinary, appropriate use programs that are founded on clinical outcomes-based pharmacoeconomic analyses. This article addresses common cost-containment activities as they relate to antibiotics and examines their consequences. Examples of successful antimicrobial stewardship and the role of pharmacoeconomic analyses also are provided. Cost-effectiveness studies of cefepime are presented to illustrate the utility of these analyses and provide information that can form the basis for decisions regarding placement of cefepime on hospital formularies.

Anti-Bacterial Agents↗
PubMed1983

Knowledge and attitudes of primary health care personnel concerning mental health problems in developing countries.

A semi-structured interview for assessing the knowledge and attitude of health workers concerning mental health problems was applied in seven developing country areas within the context of a World Health Organization coordinated collaborative study. The results indicate a lack of basic mental health training associated with a failure to recognize mental health problems, restricted knowledge concerning psychotropic drug therapy, and an inability to visualize practical forms of mental health care which could be introduced at primary care level. The results were used to design appropriate training programs, and the observations will be repeated to assess the effectiveness of training.

Attitude of Health Personnel↗
PubMed1993

Cardiovascular diseases in a Canadian Arctic population.

OBJECTIVES: The purpose of this study was to review cardiovascular mortality, morbidity, and risk factors in the multiethnic population of the Northwest Territories, Canada. METHODS: We analyzed death certificates and hospital records, and used a community health and examination survey. RESULTS: The age-standardized mortality rate for ischemic heart disease (but not for other heart diseases or stroke) among the Northwest Territories population was lower than among the Canadian population. Among the indigenous Inuit/Eskimos and Indians, the age-standardized mortality rate for all circulatory diseases was lower than Canadians. Among Indian women, the rate approached the Canadian rate and exceeded that of Inuit and non-Natives. Compared with residents of Manitoba, Northwest Territories Inuit adults had a higher prevalence of smoking in all age-sex groups. Obesity was prevalent among older Inuit women and hypertension among young Inuit men. Except for women aged 25 to 44, the total cholesterol and triglyceride levels among Inuit were lower than or not different from Manitoba residents. Relatively high levels of high-density lipoprotein were found in older Inuits. CONCLUSIONS: The epidemiologic pattern of cardiovascular diseases in Arctic Canada differs from that among non-Native, southern Canadians. Rapid sociocultural changes may alter the situation, and health agencies must anticipate such transitions and intensify culturally appropriate control programs.

Canada↗
PubMed1993

Public health initiatives in South Africa in the 1940s and 1950s: lessons for a post-apartheid era.

Inspiration drawn from South African public health initiatives in the 1940s played an important role in the development of the network of community and migrant health centers in the United States. The first such center at Pholela in Natal emphasized the need for a comprehensive (preventive and curative) service that based its practices on empirical data derived from epidemiological and anthropological research. In addition, community consultation preceded the introduction of new service or research initiatives. The Institute of Family and Community Health in Durban pioneered community-based multidisciplinary training and developed Pholela and other sites as centers for service, teaching, and research. Several important lessons for South African health professionals emerge from the Pholela experience. First, public health models of the past need to be reintroduced locally; second, the training of public health professionals needs to be upgraded and reoriented; third, appropriate research programs need to respond to community needs and address service demands; fourth, community involvement strategies need to be implemented early on; and fifth, funding sources for innovation in health service provision should be sought.

Community Health Centers↗
PubMed1991

Women and AIDS: introduction.

Around the world, more and more women--principally poor women of color--are being diagnosed with and are dying of AIDS, the acquired immune deficiency syndrome. Yet, effective and appropriate prevention programs for women are sorely missing from the global program to control AIDS. To help us understand why this gap exists, and what we must do to close it, the three articles in this issue focus on women and AIDS. Examining the situation in such countries as Zimbabwe and South Africa, as well as in other economically underdeveloped and developed regions, the authors argue that women with the least control over their bodies and their lives are at greatest risk of acquiring AIDS. For example, the high rate of infection among women in Africa cannot be understood apart from the legacy of colonialism (including land expropriation and the forced introduction of a migrant labor system) and the insidious combination of traditional and European patriarchal values. Only by recognizing the socioeconomic and cultural determinants of both disease and sexual behavior, and only by incorporating these insights into our AIDS prevention programs, will we be able to curb the spread of this lethal disease.

Acquired Immunodeficiency Syndrome↗