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PubMed1987

The prevalence and correlates of Rose Questionnaire angina among women and men in the Lipid Research Clinics Program Prevalence Study population.

The prevalence and correlates of Rose Questionnaire angina were investigated in a sample of 4,661 white woman and men aged 30 years and above who participated in the Lipid Research Clinics Program Prevalence Study 1972-1976. Among men, the prevalence of Rose angina increased with age from about 1% to 12%, while the prevalence among women ranged from about 3% to 6%. Young women compared with men also had a relatively high prevalence of dyspnea, which was strongly correlated with Rose angina in both sexes. For women and men younger than 50 years, the dyspnea-Rose angina odds ratio was about 6 (p less than 0.001), while older women and men had somewhat lower sand higher odds ratios, respectively. Major and minor resting electrocardiographic abnormalities and self-reported history of a heart attack were not significantly associated with Rose angina among young participants of either sex, but they did show positive associations among older participants with the exception of minor electrocardiographic abnormalities in men. A logistic regression analysis revealed a strong inverse association between high density lipoprotein cholesterol and Rose angina in both sexes. Because mortality studies consistently show an excess of coronary heart disease death among young men compared with women, the female excess of Rose angina at young ages suggests that the grouping of angina and myocardial infarction into a single endpoint in cardiovascular disease studies may be more appropriate for young men than for young women.

Adult↗
PubMed1995

Determination of robust ocular pharmacokinetic parameters in serum and vitreous humor of albino rabbits following systemic administration of ciprofloxacin from sparse data sets by using IT2S, a population pharmacokinetic modeling program.

Robust determination of the concentration-time profile of anti-infective agents in certain specialized compartments is often limited by the inability to obtain more than a single sample from such a site in any one subject. Vitreous humor and cerebrospinal fluid are obvious examples for which the determination of concentrations of anti-infective agents is limited. Advances in pharmacodynamics have pointed out the importance of understanding the profiles of drugs in the plasma and in specialized compartments in order to dose the drugs to obtain the best patient outcomes. Advances in population pharmacokinetic modeling hold the promise of allowing proper estimation of drug penetration into the vitreous (or other specialized compartment) with only a single vitreous sample, in conjunction with plasma sampling. We have developed a rabbit model which allows multiple samples of vitreous to be obtained without breaking down the blood-vitreous barrier. We have employed this model to test the hypothesis that robust estimates of vitreous penetration by the fluoroquinolone ciprofloxacin can be obtained from a traditional intensive plasma sampling set plus a single vitreous sample. We studied 33 rabbits which were receiving 40 mg of ciprofloxacin per kg of body weight intravenously as short infusions and from which multiple plasma and vitreous samples were obtained and assayed for ciprofloxacin content by high-performance liquid chromatography. Data were analyzed by the iterative two-stage population modeling technique (IT2S), employing the iterative two-stage program of Forrest et al. (Antimicrob. Agents Chemother. 37:1065-1072, 1993). Two data sets were analyzed: all plasma and vitreous samples versus all plasma samples and the initially obtained single vitreous sample. The pharmacokinetic parameter values identified were used to calculate the percent vitreous penetration as the ratio of the area under the concentration-time curve for the vitreous to that for the plasma. The values identified, 4% penetration for the full data set versus 3% penetration for the single vitreous sample data set, and their corresponding estimates were not statistically significantly different. We conclude that population modeling holds promise for the analysis of penetration of antimicrobiol agents into specialized spaces from which only single samples can be obtained, particularly for patients with whom robust plasma sampling can be performed.

Animals↗
PubMedDate not supplied

Identification of women at increased risk for breast cancer in a population-based screening program.

A multivariate model to assess breast cancer risk was developed by Gail et al. (M. H. Gail, L. A. Brinton, D. B. Byar, D. K. Corle, S. B. Green, C. Schairer, and J. J. Mulvihill, J. Natl. Cancer Inst., 81: 1879-1886, 1989) based on data analysis of the Breast Cancer Detection and Demonstration Project. We evaluated the model's usefulness for assigning women to risk groups for counseling and follow-up by applying it to the 1987 Texas Breast Screening Project data. We identified 3165 women with one or more first-degree relatives affected with breast cancer. The mean risk score for the group was 3.3 (range, 2.7-11.8), indicating a greater than 3-fold elevated risk. The mean risk score for the remaining 27,439 women without affected first-degree relatives was 1.5 (range, 1.24-3.2). Risk perception was found to be a motivator for participation. Women with a risk score greater than 5 perceived themselves to be at high risk for breast cancer. The perception of risk was related to the type of affected first-degree relatives: 80.0% of the women with three affected first-degree relatives and 71.5% of women whose mother and sister were both affected with breast cancer perceived themselves to be at high risk. The Gail model is potentially useful in the clinical setting because women at high risk for breast cancer can be entered into etiological studies, enrolled in primary prevention trials, or referred to programs seeking to improve compliance with screening mammography. The Gail model needs validation, but it is useful for estimating the risk of breast cancer in large populations.

Adult↗
PubMed1980

Paving the way: training the influentials in population education.

A number of countries in Far East Asia are in the process of launching national population education programs. To get them off the ground and to keep them working needs the support of key personnel in the program. This means that basic training in population education should be given to key personnel to enable them to promote and efficiently run the population education programs. The Sub-Regional Group Training Course in Population Education organized by the Mobile Team of the Unesco Regional Office for Education in Asia and Oceania to be held in Bangkok from 18 August to 5 September is a response to this need. Training will be given to key personnel from Afghanistan, India, Nepal, and Pakistan. The specific objectives of the course are to provide the participants with: 1) opportunities for exchanges of information and experience; exposure to and involvement in developing population education curricula, teaching units and sample instructional materials; 2) an understanding of various strategies for curriculum development and methodologies used for designing and implementing programs; and 3) preparation as teams from each Member State able to contribute to the promotion of population education in school and out of school in their countries. The training course has 5 main thrusts, namely: 1) sharing of experiences and clarification of the concepts of population education; 2) development of population education curriculum; 3) development of teaching units; 4) development of sample alternative instructional materials; and 5) field visit to ongoing population education programs in Thailand. The content will cover: 1) the knowledge base which includes concepts, nature, issues and status of population education; demographic concepts, population and development; and 2) strategies and approaches such as those used in curriculum development and teaching units, methods of teaching, and instructional materials development. The training methodologies will include lecture and panel discussions, film shows, and practicum.

Community Health Workers↗
PubMedDate not supplied

A prospective population-based management program including primary surgery and postoperative risk assessment by means of DNA ploidy and histopathology. Adjuvant radiotherapy is not necessary for the majority of patients with FIGO stage I-II endometrial cancer.

A management program for FIGO stage I-II nonserous, nonclear-cell adenocarcinomas was evaluated. Histopathology and DNA ploidy were used to estimate postoperatively the risk of progression or death of disease and to tailor treatment. The patient material was a population-based consecutive cohort of all women with endometrial cancer in the Southern Swedish Health Care Region diagnosed between June 1993 and June 1996 (n = 553). Of these, 335 were eligible for the management program. Patients estimated to be at low risk were treated by surgery only, while high-risk patients also received vaginal brachytherapy. A large low-risk group consisting of 84% (n = 283) of the patients with an estimated disease-specific 5-year survival of 96% (95% CI = 93-98%) was identified. The high-risk group (n = 52, 16%) showed a worse outcome with an 80% 5-year disease-specific survival (95% CI = 65-89%). The difference in survival between the groups was highly significant (P < 0.0001). Half of the progressions were distant in the high-risk group. Although there is a clear indication for adjuvant therapy for this group, locoregional radiotherapy could be expected to fail in cases with distant progression. Thus, effective systemic treatments need to be developed. Low-risk patients, constituting the majority (84%) of the patients, can be safely treated by surgery only.

Adenocarcinoma↗
PubMed1984

Is wide availability of abortion essential to national population growth control programs? Experiences of 116 countries.

No nation wanting to reduce its growth rate to less than or equal to 1% can expect to do so without the widespread use of abortion. This study, based on the experience of 116 of the world's largest countries, supports the contention that abortion is essential to any national population growth control effort. Existing circumstances in developed countries have facilitated reduction of growth rates to less than 1%, with abortion rates generally in the range of 200 to 500 per 1000 live births. However, developing countries are faced with a different and more difficult set of circumstances that require even greater reliance on abortion. These obstacles include a young population with resultant rapidly growing numbers of young fertile women, poor contraceptive use-effectiveness, low prevalence of contraception, and poor or nonexistent systems for providing contraceptives. By virtue of their profession, physicians play a critical role in family planning and carry a special responsibility in ensuring that abortion services are available to all women who need them.

Abortion, Induced↗
PubMed1991

[Epidemiologic foundation for population studies of program MZ-XVII].

Epidemiological foundation included: aim of studies, knowledge about epidemiology of thyroid disorders in Poland, evaluation of radioiodine dose accumulated in thyroids of inhabitants of different age living in different par of Poland, information about relative diet iodine deficiency in different parts of Poland and identification of research teams (manpower) capable to carry on population studies. The final identification of epidemiological foundation was proceeded by pilot studies performed in 4 different regions of Poland. Finally it was decided that population studies would be performed in so called Regions of 6 different University Medical Schools (Białystok, Kraków, Lódź, Poznań, Szczecin, Wrocław). The sample will be selected randomly on the base of information from the voting lists (random selection of vovoidoship, then towns and villages, then streets and number of houses, then number of flats. All living in selected flat or house during Czernobyl accident and born between January 1974 and December 1985 (children) and between January 1926 and December 1973 (adults) will be considered "the sample". In all cases the sample will be examined by means of unified questionnaire and protocol of medical and laboratory examination. The same kits (of the same producers) will be used to evaluate serum TSH, T4, T3 and thyroid autoantibodies. The data obtained will be evaluated by unified computerized system. Separate studies involved the sample of newborns exposed to radioiodine during last trimester of pregnancy, found to be euthyroid and given potassium iodide in first days of life. Separate system was also used to investigate effect of radioiodine and of prophylactic dose of potassium iodide in those with past history of thyroid disorders.

Adult↗
PubMed1994

The Waianae Diet Program: a culturally sensitive, community-based obesity and clinical intervention program for the Native Hawaiian population.

The Waianae Diet Program (WDP) is a community-based program designed at the Waianae Coast Comprehensive Health Center in response to the high rates of obesity and chronic disease among Native Hawaiians. Its foundation is a 3-week program of traditional Hawaiian diet and cultural teachings. It employs 8 innovations in clinical nutrition and health promotion theory: 1. Non-calorie restricted weight loss protocol, 2. Dietary clinical intervention, 3. Cultural sensitivity, 4. Transition diet, 5. Whole-person approach, 6. Group ohana (family) support, 7. Community intervention, and 8. Role modeling. It has demonstrated significant weight loss with no calorie restriction, improvement in blood pressure, serum glucose, and serum lipids. It appears to have wide acceptance in the Hawaiian community. More studies are warranted to determine the long-term effect of this program.

Community Health Services↗