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PubMed1977

Percutaneous transhepatic catheterization of the portal vein for the study of portal hemodynamics and shunts. A preliminary report.

A technique for catheterizing the portal vein transhepatically, based on our method for percutaneous transhepatic cholangiography, is described. Using this technique, quantitation of the intrahepatic shunt and extrahepatic shunt from the splenoportal axis is possible. It involves injection of 99mTc-macroaggregated albumin into the splenic vein at the splenic hilum and 131I-macroaggregated albumin into the portal trunk, followed by differential counting over predetermined areas of the liver and lungs. Catheterization was successful in 20 of 30 patients in whom it was attempted. The intrahepatic shunt indices varied from 1.0 to 78.4% and the extrahepatic shunt indices ranged from 0 to 49.9%. These values appeared to correlate closely with the size of collaterals opacified by portography.

Albumins↗
PubMed2003

Houseofficers' reactions to media coverage about the sequencing of the human genome.

After the announcement that sequencing of the human genome was nearly complete, media coverage was extensive. In light of ample evidence that the media are a primary source of health and science information, even for health professionals, media portrayals are often inaccurate or misleading, and discoveries that emanate from sequencing the human genome are likely to influence future health care, it is important to assess physicians' interpretations of media coverage about the human genome announcement. This paper describes the reactions of a sample of new physicians in the United States to this announcement, as well as the content of the stories they read or heard. Semi-structured surveys were distributed to all incoming houseofficers during Orientation at one major academic medical center. Eighty-one percent of 190 houseofficers returned a survey; 123 completed surveys were analyzed. Fifty-four percent of respondents thought the media message was only positive and 21% thought it was negative or mixed. Participants who reported radio as their media source were less likely to recall positive messages (p<0.05). Sixty-five percent and 76%, respectively, had positive perceptions of the impact of the accomplishment on people and on the medical profession. Overall, 48% were enthusiastic and 52% were guarded about the accomplishment. Enthusiasm was related to being an adult primary care houseofficer (p=0.07) or to having heard about it on television or in the newspaper (p<0.05). Of the 36 stories analyzed, newspaper and television reports focused more on medical implications and radio reports focused more on ethical issues. The degree of enthusiasm about the accomplishment reflects the content of the media coverage, and, at least for adult primary care houseofficers, probably reflects the increasing relevance of genetic discoveries to medical practice. Since physicians obtain much of their health and science information from the media, they can play an instrumental role in helping their patients interpret media coverage of advances in genetics and their impact on health care. However, this will require that physicians develop an appreciation of the newsmaking process, and how subtle interactions between politics, the media and science influence the "framing" of media coverage.

Academic Medical Centers↗
PubMed1999

Salud para su Corazón: a community-based Latino cardiovascular disease prevention and outreach model.

Cardiovascular disease (CVD) is the leading cause of death for Latinos living in the United States. This population is generally unaware of important lifestyle or behavioral changes that can prevent CVD. The National Heart, Lung, and Blood Institute (NHLBI) designed and implemented Salud para su Corazón (Health for Your Heart), a culturally appropriate, community-based, theory-driven intervention model. NHLBI's goals were: (1) to design an intervention model appropriate to Latino populations; (2) to pilot test the model in a specific community with the objectives of increasing awareness about heart disease, raising knowledge about CVD prevention, and promoting heart-healthy lifestyles; and (3) to disseminate the model and the materials developed to other communities with similar needs. An agency-community partnership, under the leadership of the Community Alliance for Heart Health, guided all stages of the community intervention project. The multimedia bilingual community intervention included television telenovela format public service announcements (PSAs), radio programs, brochures, recipe booklets, charlas, a promotores training manual, and motivational videos. An evaluation survey assessed the impact of the intervention. A pre-post intervention survey was conducted with more than 300 participants, and results showed that the respondents were substantially more aware of risk factors for CVD, and had greatly increased their knowledge of ways to prevent heart disease. Dissemination efforts have resulted in numerous requests by health organizations, universities, and health maintenance organizations (HMOs) for educational materials and communication strategies produced by Salud para su Corazón. In addition, Univision, the largest Spanish-language broadcast television network, is airing the initiative's PSAs. Also, training seminars for promotores are being conducted in different regions of the United States, and several locations are planning to replicate this study.

Adolescent↗
PubMed2005

An evaluation of the effectiveness of televised road safety messages in Ghana.

The goal was to evaluate the effectiveness of recent televised advertisements conducted by the National Road Safety Commission in Ghana. These concerned speeding and alcohol-impaired driving and were targeted towards commercial drivers. Focus group discussions were conducted with 50 commercial drivers in four cities. Discussions addressed coverage, clarity and appropriateness of messages, including suggestions for improvements. Most discussants indicated that the messages were clear and appropriate. Television reached all participants in this urban group. However, they felt that other modes of communication, such as flyers and radio, should also be used to reach drivers who did not own televisions. A particular problem was language. The advertisements had been in English and Akan (the most common vernacular language). Participants wanted the messages diversified into more of the major Ghanaian languages. Some participants were unclear on the behaviour that the advertisements were telling viewers to take. Participants advocated greater involvement by police in road safety and called for laws banning the sale of alcohol at bus stations. The advertisements reached and were understood by most of the target audience. Opportunities for strengthening the messages included using other media; increasing the number of languages; and stressing the change in behaviour being recommended. Overall road safety activities would be strengthened by increasing accompanying law enforcement activities related to speed and alcohol-impaired driving. To the authors' knowledge this is the first formal evaluation of a road safety social marketing programme in a low-income sub-Saharan African country. This evaluation will hopefully assist Ghana and other similar countries in strengthening road safety work.

Accidents, Traffic↗
PubMed2004

Influence of different sources of information on attitude toward organ donation: a factor analysis.

OBJECTIVES: To determine media through which the population receives information on donation; to analyze the association between the sources of information and the psychosocial variables with respect to the opinion on donation; and to determine how each source of information influences this opinion. MATERIALS AND METHODS: A questionnaire on donation was administered to a random sample of 2000 persons stratified by age, gender, and geographical location, of whom 1143 respondents claimed to have no experience with donation and/or transplantation. A statistical analysis was done between the sources of information or the psychosocial variables or their co-variation to determine their specific impact on the population. RESULTS: The medium with the greatest impact on the population is television; the second factor is the press and radio; the third is magazines and talks with friends/family; the fourth is hoardings and posters, and campaigns about organ donation; and the last factor is information given by health professionals. In the factor analysis between sources of information and psychosocial variables, an association was observed between press, radio, and information given by health professionals and a higher education level; and between information provided by discussions in schools, by age, and a higher level of education. Sources of Information sources as that have a favorable effect on donation include discussions, (P = .0079), and information by health professionals (P < .0005) and by friends (P = .0132) and by family (P = .0044). CONCLUSIONS: Opinion on donation is more favorable among subjects who have received information on an individual basis and at specialized meetings. The only psychosocial variable associated with some sources of information is the level of education.

Adolescent↗
PubMed1997

Effects of a multi-media course on urinary incontinence.

Urinary incontinence is a complicated problem, both in terms of diagnosis and treatment. There are, however, quite a few therapies for its treatment. Teleac, a Dutch broadcasting company for adult education, has offered people who suffer from urinary incontinence 'a training therapy' on a distance. This therapy consists of exercise of the lower pelvic muscles, bladder training, relaxation exercises, and advice on posture. On average, there were 140,000 viewers per broadcast. After the course, 51% of the students experienced an improvement of their urinary incontinence. Also, 83% were satisfied with the result of the course. The results suggest that a mass media approach offers major opportunities for secondary prevention of urinary incontinence.

Exercise Therapy↗
PubMed2004

[Risks of risk communication - lessons we may learn from media communication].

The German media system produces an enormous diversity of media contents both in the audiovisual and the press areas. The increasing number of media products promotes keen competition between new and existing media companies. German citizens consume mass media products for about eight hours a day, which makes the media one of the key factors in social life. This has consequences for the type and process of risk communication. Increasing competition results in a biased coverage of events and issues in the world. Key words are sensation, negativity, emotion and personalization. This kind of coverage leads to a sometimes irrational risk dialogue between media, society, economy and administration. A possible misconception of risks and risk management may have undesirable consequences for the social development and benefits of new technologies.

Communication↗
PubMed1977

The effects of the anti-smoking campaign on cigarette consumption.

The impact of the anti-smoking campaign on the consumption of cigarettes is measured by fitting cigarette demand functions to pre-campaign dat, projecting "ahead" as if the campaign had not occurred, and then comparing these predictions with realized consumption. The analysis suggests that major "events" in the campaign (e.g., the Surgeon General's Report) caused immediate though transitory decreases of 4 to 5 per cent in annual per capita consumption. However, the cumulative effect of persistent publicity supported by other public policies, has been substantial: in the absence of the campaign, per capita consumption likely would have exceeded its actual 1975 value by 20 to 30 per cent. This is a conservative indication of the effectiveness of the campaign, for it ignores other potentially important and desirable behavior changes, such as the shift to low "tar" and nicotine cigarettes.

Health Education↗
PubMed2001

Broadcasting health programmes among audience and professionals in Korea: perceptions and needs.

Mass media has become an essential part of modern society, and it should be noted that mass media plays an important role in delivering information even in the area of health. This study was intended to investigate the perceptions of and needs for broadcasting health programmes among audience and related professionals in Korea, which will serve to help in the development of valuable health programmes. Data were collected through a series of self-administered questionnaire surveys conducted on two types of subjects sampled from residents in the areas around Seoul, Korea, and health or broadcasting professionals working on health programmes. There were some discrepancies in the perceptions of and needs for health programmes between audience and professionals, especially the main audience age group and image, needs for topics and mode of health programme. In conclusion, in order to enhance current health programmes which focus on aspects of diagnosis and treatment of diseases, the range of health programmes should be expanded to fulfill various needs.

Adult↗
PubMed1989

The cigarette advertising broadcast ban and magazine coverage of smoking and health.

At the time of the cigarette broadcast advertising ban, which took effect in 1971, cigarette manufacturers rapidly shifted advertising expenditures from the broadcast media to the print media. In the last year of broadcast advertising and the first year of the ban, cigarette ad expenditures in a sample of major national magazines increased by 49 and then 131 percent in constant dollars. From an 11-year period preceding the ban to an 11-year period following it, these magazines decreased their coverage of smoking and health by 65 percent, an amount that is statistically significantly greater than decreases found in magazines that did not carry cigarette ads and in two major newspapers. This finding adds to evidence that media dependent on cigarette advertising have restricted their coverage of smoking and health. This may have significant implications for public health, as well as raising obvious concerns about the integrity of the profession of journalism.

Advertising↗