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At least 55 records · Page 3Linked to original sources
PubMed2002

Antibiotic prescribing in ambulatory care settings for adults with colds, upper respiratory tract infections, and bronchitis.

BACKGROUND: Imprudent prescribing of antibiotics for patients with colds, upper respiratory tract infections (URIs), and bronchitis may contribute to antibiotic resistance and waste economic resources. OBJECTIVE: The purpose of this study was to determine the antibiotic prescribing rate for adults diagnosed with colds, URIs, and bronchitis in 1996 and to compare these rates with those reported for 1992. METHODS: This was a retrospective, cross-sectional analysis of a US government data base of ambulatory physician practices. The number of adults ( > or = 18 years of age) with a diagnosis of cold, URI, or bronchitis and the percentage receiving antibiotics were determined from the 1996 National Ambulatory Medical Care Survey (NAMCS). The antibiotic prescribing rate was the main outcome measure. RESULTS: In 1996, approximately 13.9 million office visits resulted in a primary diagnosis of cold, URI, or acute bronchitis; of these visits, 46%, 47%, and 60%, respectively, resulted in the prescribing of an antibiotic. The respective rates in 1992 were 51%, 52%, and 66%. The rates of antibiotic prescribing were 12% to 16% higher when all drugs, not just the first drug listed in the NAMCS database, were analyzed. In 1996, antibiotic prescribing rates for persons 45 to 64 years of age and persons > 64 years of age were significantly lower than for those aged 18 to 44 years. CONCLUSIONS: The rates of potentially inappropriate antibiotic prescribing decreased modestly from 1992 to 1996; however, previous rates may have been underestimated. The antibiotic prescribing rates for colds, URIs, and acute bronchitis may be as high as 61%, 63%, and 72%, respectively, when all drug information is analyzed. Antibiotics are over-prescribed, which may increase antibiotic resistance and waste health care resources.

Adolescent↗
PubMed2002

EPR adoption and dual record maintenance in the U.S.: assessing variation in medical systems infrastructure.

The growing adoption of evidence-based medicine in the United States is acting to cause fundamental changes in the delivery of healthcare management services. With the increasing incorporation of electronic patient records (EPRs) into the day-to-day practice of medicine, it necessitates greater dependence on adequate functioning of such resources, as they become more frequently used as a clinical complement in the practice of medicine. Assessing the patterns of adoption of EPRs is likewise of increasing importance, with the recent imposition of uniform government data collection and management requirements. The medium of data storage and maintenance within many organizations is a critical factor in the ultimate delivery of service, with a like need for an integrated, designated medium for the management of data becoming paramount. This study examines, on a nationwide basis, variation in reported adoption of EPRs within U.S. healthcare organizations, and the related maintenance of dual electronic/paper record systems.

Database Management Systems↗
PubMed2001

Rates of cesarean births in Hong Kong: 1987-1999.

BACKGROUND: High cesarean birth rates are an issue of international public health concern. The purpose of this paper was to examine the annual incidence and secular trend of cesarean births in Hong Kong and to correlate these rates with socioeconomic, demographic, and health indicators for the population since 1987. METHODS: This was a descriptive and ecologic study. Annual population rates of cesarean sections were estimated for 1987 from a population-based survey, and for 1993 through 1999 from government data sources. The number of excess cesarean sections was calculated for each year using the 15 percent upper limit as proposed by the World Health Organization. RESULTS: From 1987 to 1999 the overall annual cesarean section rate rose steadily from 16.6 to 27.4 per 100 hospital deliveries, resulting in a 65 percent increase over 12 years. The mean difference in rates of surgical delivery between public (mean(public) = 16.0%) and private (mean(private) = 43.4%) institutions was 27.4 percent (95% confidence interval (CI) = 24.1, 30.7; p < 0.001). CONCLUSIONS: This is the first systematic report of secular variations of cesarean delivery rates in Asia. The high rates and increasing trend represent an unnecessary excess risk for mothers and their infants. Various strategies combating high cesarean rates have been proposed and have succeeded elsewhere. Concerted action from health care professionals, public health authorities, the general population, and the media is urgently required to implement solutions to reduce the rate of cesarean delivery.

Adult↗
PubMed2001

Autism: a novel form of mercury poisoning.

Autism is a syndrome characterized by impairments in social relatedness and communication, repetitive behaviors, abnormal movements, and sensory dysfunction. Recent epidemiological studies suggest that autism may affect 1 in 150 US children. Exposure to mercury can cause immune, sensory, neurological, motor, and behavioral dysfunctions similar to traits defining or associated with autism, and the similarities extend to neuroanatomy, neurotransmitters, and biochemistry. Thimerosal, a preservative added to many vaccines, has become a major source of mercury in children who, within their first two years, may have received a quantity of mercury that exceeds safety guidelines. A review of medical literature and US government data suggests that: (i) many cases of idiopathic autism are induced by early mercury exposure from thimerosal; (ii) this type of autism represents an unrecognized mercurial syndrome; and (iii) genetic and non-genetic factors establish a predisposition whereby thimerosal's adverse effects occur only in some children.

Autistic Disorder↗
PubMed2004

Patterns of gay and lesbian partnering in the larger metropolitan areas of the United States.

This paper had two objectives. First, we developed for each large metropolitan area of the United States with a population of 500,000 or more in 1990 four indexes of gay partnering and four indexes of lesbian partnering. We compared and related these indexes and their variable measurements with one another. Second, using what we argue is the statistically and demographically preferred set of gay and lesbian partnering rates, we proposed and tested an assortment of ecological hypotheses relating characteristics of the metropolitan areas with the gay and lesbian partnering rates. Rates of gay and lesbian partnering, we show, are more influenced by such metropolitan characteristics as physical climate and the crime rate than by a religious characteristic such as the number of Southern Baptist adherents. Among the conclusions of the paper is our claim that there needs to be greater consideration of the methodological issues related to the use of government data for the development of rates of gay and lesbian partnering.

Adult↗
PubMed1994

Cannabis laws: an analysis of costs.

There is evidence that the use of cannabis is increasing in Australia, with stable black-market prices, despite the 9-year National Campaign Against Drug Abuse, increasing expenditure to enforce the laws against cannabis use, and the seizure of large plantations of cannabis plants. Recent government data are used to estimate the conservative cost of drug-law enforcement against cannabis use as being $329m in 1991-92. Alternatives to the existing regime are examined, including expiation, decriminalization, and legalization.

Journal Article↗
PubMed2004

Multicellular simulation predicts microvascular patterning and in silico tissue assembly.

Remodeling of microvascular networks in mammals is critical for physiological adaptations and therapeutic revascularization. Cellular behaviors such as proliferation, differentiation, and migration are coordinated in these remodeling events via combinations of biochemical and biomechanical signals. We developed a cellular automata (CA) computational simulation that integrates epigenetic stimuli, molecular signals, and cellular behaviors to predict microvascular network patterning events. Over 50 rules obtained from published experimental data govern independent behaviors (including proliferation, differentiation, and migration) of thousands of interacting cells and diffusible growth factors in their tissue environment. From initial network patterns of in vivo blood vessel networks, the model predicts emergent patterning responses to two stimuli: 1) network-wide changes in hemodynamic mechanical stresses, and 2) exogenous focal delivery of an angiogenic growth factor. The CA model predicts comparable increases in vascular density (370+/-29 mm/mm3) 14 days after treatment with exogenous growth factor to that in vivo (480+/-41 mm/mm3) and approximately a twofold increase in contractile vessel lengths 5-10 days after 10% increase in circumferential wall strain, consistent with in vivo results. The CA simulation was thus able to identify a functional patterning module capable of quantitatively predicting vessel network remodeling in response to two important epigenetic stimuli.

Cell Differentiation↗
PubMed2006

An analysis of deaths related to urological surgery, reviewed by the State Coroner: a case for cardiac vigilance before transurethral prostatectomy.

OBJECTIVES: To ascertain the frequency of in-hospital deaths after urological surgery in a compulsory reporting setting, and to identify the contributing and potentially reversible factors involved in patients who had had transurethral resection of the prostate (TURP). METHODS: We reviewed all hospital deaths reported to the State Coroner from Coronial Services Victoria (CSV), Australia, in 2000-2002 to identify those instances associated with urological surgery. These cases were then analysed using methods developed by CSV. Resources available included medical records, police reports, government data on operative procedures and autopsy results. RESULTS: There were 20 in-hospital deaths after urological surgery identified for the 3-year period; most related to pre-existing comorbidities, predominantly ischaemic heart disease. Two episodes of hospital-acquired infection, two instances of technical complication of surgery contributing to death, and one pulmonary embolus were identified. Numerically the largest group of deaths after surgery was patients having TURP, and these deaths represented 0.05% (nine of 17 044) of all TURPs in this period. Most in this group (eight) had an acute myocardial infarction. CONCLUSION: Death after urological surgery appears to be uncommon; assessing patients for coronary artery disease before urological surgery, particularly TURP, closer cardiovascular monitoring after surgery, and rapid transfer to a coronary care unit if required, may further reduce mortality.

Adolescent↗
PubMed1985

The labour market experiences of Canadian immigrants.

The economic adaptation of immigrants to Canada is analyzed using government data on the labor force and landed immigrants. In particular, the labor force experience of a sample of immigrants in Canada is examined and compared with that of a Canadian cohort with regard to length of unemployment and income. "Differences in unemployment and insurable earnings are examined by age, sex, immigrant category..., world area of last permanent residence, official language abilities, education, and region of residence." (summary in FRE, SPA)

Age Factors↗
PubMed2000

Motor vehicle crashes in Pakistan: the emerging epidemic.

SETTING: Motor vehicle injuries are increasingly being recognized as a growing public health issue in the developing world. Pakistan is a developing country in South Asia where motor vehicle use has increased since independence in 1947. OBJECTIVE: This paper explores the magnitude and impact of injuries from motor vehicle crashes in Pakistan. METHODS: An exhaustive review of published and gray literature, together with a detailed analysis of government data from 1956. RESULTS: The data indicate a persistent increase in the numbers of motor vehicle crashes, injuries, and fatalities. Changes in the reporting of rates are important to note in evaluating the data. Commercial vehicles contribute disproportionately to these motor vehicle injuries. CONCLUSIONS: There is a need to further the recognition of injuries as a public health issue in this country. Specific exploration of the epidemiological data; intersectoral collaboration between health, law, police and transport; and the development of appropriate information systems, will contribute to an appropriate response by Pakistan.

Accidents, Traffic↗
PubMed1978

Cigarette consumption per adult of each sex in various countries.

Estimates of cigarette consumption per adult male and female available from surveys in eight countries are examined and the figures of national consumption per adult implied by the surveys are compared with national averages obtained from government data and other sources. The errors likely to be found in the surveys are considered and corrected figures are calculated. Estimates are also made of cigarette consumption per woman of childbearing age.

Adolescent↗
PubMed1998

Socioeconomic correlates of infant mortality in Hong Kong, 1979-93.

Although Hong Kong's infant mortality is among the lowest in the world, there may still be subgroups in the population with unusually high and possibly avoidable mortality rates. We conducted an ecological study on the relationship between socioeconomic deprivation and infant mortality in Hong Kong by using government data from three periods: 1979-83, 1984-88 and 1989-93. The study population comprised all infant births in 65 modified districts in Hong Kong in the period 1979-93. Infant, neonatal and post-neonatal mortality rates (IMRs, NMRs and PNMRs) were used as the health indicators. An F score was derived from highly correlated socioeconomic variables by factor analysis and used as a summary index of socioeconomic status. In 1979-83, socioeconomic deprivation was found to be significantly associated with high IMRs and high NMRs in both sexes, while in 1984-88 this association was observed only in baby girls. None of the observed associations were significant in 1989-93. Overall, the territory's infant mortality rates fell from 10.2 per thousand live births in 1979-83 to 5.6 per thousand live births in 1989-93. Individual-based studies are needed to ascertain whether this apparent disappearance of the socioeconomic relationship with infant and neonatal mortality is real.

Birth Rate↗
PubMedDate not supplied

Greater risks, fewer rights: U.S. farmworkers and pesticides.

Pesticide Action Network, United Farmworkers of America, and California Rural Legal Assistance Foundation analyzed California government data on agricultural poisonings and enforcement of worker safety standards. Nearly 500 pesticide poisonings were reported for California farmworkers every year from 1997 to 2000. The actual number of pesticide-related illnesses is unknown, since many poisonings go unreported. Most poisonings occurred as a result of soil fumigation and pesticide applications to grapes, oranges, and cotton. Pesticide drift accounted for 51% of the cases, and another 25% resulted from exposures to pesticide residues. Violations of worker safety laws were common, contributing to 41% of reported poisonings. No violations occurred in another 38%, indicating that existing laws inadequately protect workers from pesticide exposure. This snapshot of human rights abuse through pesticide exposure in California-the site of some of the world's most stringent pesticide use and worker safety laws-illustrates the global problem of pesticide poisoning among agricultural workers.

Adult↗
PubMed2026

Multimodal artificial intelligence and machine learning in oncology: from data integration to precision cancer care.

Cancer remains a major global health burden, with approximately 20 million new cases and 9.7 million cancer-related deaths reported globally in 2022. While advances in radiological imaging, molecular profiling, and clinical data have enhanced the interpretation of disease progression, the availability of multiple such modalities still does not meet the needs of a large patient population. This narrative review focuses on the role of multimodal artificial intelligence and machine learning in bridging the gap in interpreting heterogeneous modalities to improve risk prediction, prognostic assessment, and treatment decision-making in precision oncology. Multimodal frameworks such as Pathomic Fusion illustrate how complementary histopathological and genomic information can be integrated for cancer diagnosis and prognostic modeling. Multimodal models have demonstrated potential in virtual biopsy, cancer screening, prognostic prediction, radiotherapy planning, intraoperative guidance, and clinical-trial design using digital twins and synthetic control arms. The major limitations of incorporating multimodal artificial intelligence and machine learning in oncology include data heterogeneity, demographic or institutional biases, and reproducibility challenges that hinder translation. Accordingly, appropriate data-governance strategies, fairness audits, and privacy-preserving approaches such as federated learning should be considered where appropriate. Future progress will depend on the development of standardized benchmarking datasets, robust external validation, seamless integration with electronic health records and picture archiving and communication systems, and the implementation of explainable, secure, and clinically validated multimodal artificial intelligence frameworks that support precision oncology in routine clinical practice.

deep learning↗
PubMed2026

From Infection Control to Healthcare System Resilience: Lessons Learned from SARS-CoV-2 Research in Healthcare Workers.

The COVID-19 pandemic placed unprecedented pressure on healthcare systems and exposed healthcare workers (HCWs) to biological hazards, organizational pressures, and psychological strain. Evidence generated during the emergency shows that HCW protection cannot rely on isolated measures, but requires an integrated framework combining epidemiological surveillance, contact tracing, infection prevention and control, vaccination, occupational health, and workforce support. Contact tracing helped identify occupational exposures and clarify how duration, proximity, and inadequate use of personal protective equipment jointly shaped infection risk. Subsequent studies of reinfection showed that susceptibility reflected the interaction of viral circulation, individual immunity, and vaccination status. Vaccination reduced the clinical impact of SARS-CoV-2 and supported service continuity, although uptake depended on trust, communication, and management of adverse event concerns. The pandemic also highlighted substantial economic consequences and a high burden of psychological distress and burnout among HCWs. Building on this evidence, future preparedness should translate these lessons into permanent, adaptable infrastructure rather than temporary emergency arrangements, integrating interoperable, AI-assisted surveillance capable of combining occupational, diagnostic, vaccination, and genomic data to detect emerging risks early, while ensuring robust data governance and human oversight. Equally central is the need to address long-term workforce vulnerabilities, including Long COVID, attrition, and burnout, through early identification, rehabilitation, flexible return-to-work models, and sustained psychosocial support. Achieving this requires structured multidisciplinary collaboration among occupational medicine, infection control, epidemiology, mental health, and digital health specialists, moving from fragmented infection-control protocols to an integrated, proactive, and learning-oriented preparedness strategy. Protecting HCWs is therefore not only an occupational safety priority but a foundational prerequisite for safe, equitable, and sustainable healthcare delivery during future infectious threats.

Humans↗
PubMed1991

The Orphan Drug Act. The first 7 years.

The 1983 Orphan Drug Act sought to increase market incentives and decrease regulatory barriers for products used to treat rare ("orphan") diseases. Major provisions included market exclusivity, tax credits, and regulatory process clarifications. This analysis compares pre- and post-Act industry and government data to examine changes associated with the law. While industry sponsored 34 marketed and 24 experimental orphan drugs in the 17 years prior to the Act, it has sponsored 39 of 42 marketed orphan products in the 7 years since the Act. An additional 301 experimental products have orphan designation. While 25 of 40 marketed orphan products reportedly had annual sales of less than $1 million, product sales for three conditions are more than $100 million annually. This prompted changes in the law, passed by Congress in 1990, but vetoed. Overall, the law has been associated with an increase in orphan product development. The law's costs and benefits to companies, patients, and the public should be examined if future changes are proposed.

Drug Industry↗
PubMed1989

Race and diagnostic related group prospective hospital payment for medical patients.

The diagnostic related group (DRG) prospective hospital payment system has been on line for five years with no major changes implemented by the federal government. Data suggest that the DRG system may be inequitable to patients of lower socioeconomic status. We studied the consumption of hospital resources by race (ie, white vs black) for hospitalized medical patients using the DRG prospective payment system. All adult medical admissions (N = 30,097) were analyzed for a three-year period at a large academic medical center using the DRG "all payor" classification scheme in effect for New York State. We found that black patients (N = 3,373) had a significantly greater (P less than .0001) mean length of hospital stay and cost per patient (adjusted for DRG weight index) compared with white patients (N = 26,724). Black patients also exposed the medical center to greater (P less than .0001) financial risk compared with white patients, as measured by outliers and losses under DRGs. Black patients (P less than .0001) had a significantly higher proportion of emergency admissions to the hospital, a greater severity of illness (as measured by total International Classification of Diseases-9-Clinical Modification codes) (P less than .0001), and higher diagnostic costs (P less than .0001) for each episode of illness. These data suggest that at our medical center black medical patients may consume more hospital resources (adjusted for DRG case mix) compared with whites. It is important that methods to modify DRG prospective hospital payment for medical diseases be considered to provide more equitable DRG reimbursement for black Americans in the future.

Black or African American↗