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PubMed2006

Internet-based monitoring of influenza-like illness (ILI) in the general population of the Netherlands during the 2003-2004 influenza season.

BACKGROUND: An internet-based survey of influenza-like illness (ILI)--the Great Influenza Survey or GIS--was launched in the Netherlands in the 2003-2004 influenza season. The aim of the present study was to validate the representativeness of the GIS population and to compare the GIS data with the official ILI data obtained by Dutch GPs participating in the Dutch Sentinel Practice Network. METHOD: Direct mailings to schools and universities, and repeated interviews on television and radio, and in newspapers were used to kindle the enthusiasm of a broad section of the public for GIS. Strict symptomatic criteria for ILI were formulated with the assistance of expert institutes and only participants who responded at least five times to weekly e-mails asking them about possible ILI symptoms were included in the survey. Validation of GIS was done at different levels: 1) some key demographic (age distribution) and public health statistics (prevalence of asthma and diabetes, and influenza vaccination rates) for the Dutch population were compared with corresponding figures calculated from GIS; 2) the ILI rates in GIS were compared with the ILI consultation rates reported by GPs participating in the Dutch Sentinel Practice Network. RESULTS: 13,300 persons (53% of total responders), replied at least five times to weekly e-mails and were included in the survey. As expected, there was a marked under-representation of the age groups 0-10 years and 81->90 years in the GIS population, although the similarities were remarkable for most other age groups, albeit that the age groups between 21 and 70 years were slightly overrepresented. There were striking similarities between GIS and the Dutch population with regard to the prevalence of asthma (6.4% vs. 6.9%) and the influenza vaccination rates, and to a lesser degree for diabetes (2.4% vs. 3.5%). The vaccination rates in patients with asthma or diabetes, and persons older than 65 years were 68%, 85%, and 85% respectively in GIS, while the corresponding percentages in the Dutch population were 73%, 85% and 87%. There was also a marked similarity between the seasonal course of ILI measured by GIS and the GPs. Although the ILI rate in GIS was about 10 times higher, the curves followed an almost similar pattern, with peak incidences occurring in the same week. CONCLUSION: The current study demonstrates that recruitment of a high number of persons willing to participate in on-line health surveillance is feasible. The information gathered proved to be reliable, as it paralleled the information obtained via an undisputed route. We believe that the interactive nature of GIS and the appealing subject were keys to its success.

Adolescent↗
PubMed1983

Patient management problems in general practice using a medical journal for self-assessment exercises.

A series of six patient management problems, with clinical case histories from the authors' own practices, was presented in a Norwegian medical journal (Utposten) during 1981 and the spring of 1982. The readers were asked to respond to a number of statements which related to each case history, using a 5-point rating scale. The answers were prepared from return forms mailed anonymously to the authors, leaving the doctors with copies of their own answers. The following issue of the journal then presented the distribution of all incoming answers by giving histograms and mean values of the ratings for each question. In addition, the case history author gave his own ratings, a review of the answers, and more details about the case. In this way the respondents were given a possibility of comparing their own diagnostic skills and management decisions with those of their colleagues. There was a total of 406 incoming answers from 243 different participants, among whom 210 were general practitioners or district physicians. Background characteristics of these doctors are discussed, as well as the results of an evaluation questionnaire. This experiment with problem solving by mail was well received by the readers, mainly as a supplement to their continuing medical education. The method in this study, which permits quantification of clinical decision, may be a useful tool for medical audit activities.

Adult↗
PubMed1993

Equity buy-in structures of emergency medical group practice.

The authors polled emergency medicine groups in an attempt to identify whether equity was offered and the time, costs, and methods of achieving equity. Several characteristics of equity and nonequity groups were compared. A survey was distributed to 514 groups from a list identified by the American College of Emergency Physicians. Nonresponders received a second mailing. Valid responses were received from 127 groups representing 3,405 physicians. Of the respondent groups, 69 allowed full equity participation. The mean time to full partnership was 2.2 years for new physicians. Single hospital groups tended to have shorter (1.6 years) buy-in periods compared with multihospital groups (3-4 years). The most common method of buy-in was a differential in the "bonus" structure between new physicians and partners. The actual cost to attain full equity varied greatly with a range of from $0 to $500,000. Groups not owning their accounts receivable had a total mean buy-in cost of approximately $40,000 as compared with those that did own their accounts receivable, where the average buy-in cost was approximately $106,000. The proportion of equity groups that had two thirds or more physicians board-certified in emergency medicine was significantly greater than those groups without equity. The detailed structure for attaining equity varied greatly between groups. The authors conclude that many emergency physician groups allow full equity participation. The average time to full partnership is generally less than 3 years. There are many diverse schemes of entering into partnership. The cost of acquiring full equity varies greatly.

Certification↗
PubMed1987

The cost effectiveness of an education outreach representative to OB practitioners to promote smoking cessation counseling.

Growing concern about mothers, smoking during pregnancy calls for effective patient education by health care professionals. Because most women receive prenatal care and people with high perceived self-risk do have high cessation rates when advised by physicians, prenatal care in private practice offers a unique opportunity to decrease the number of pregnant women who smoke. The pilot test described here is a one-group pretest and posttest community trial which tested the feasibility of using an education outreach representative to market smoking- and pregnancy-education materials to private practice physicians. The costs of the pilot test are compared to the costs of three other strategies for disseminating education materials. The pilot test proved more cost-effective than two direct-mail strategies and one commercial enterprise. These results suggest that this strategy is feasible and merits further study for distributing education materials and teaching effective education strategies to physicians.

Cost-Benefit Analysis↗
PubMedDate not supplied

Endoscopy teaching in Canada: a survey of obstetrics and gynecology program directors and graduating residents.

OBJECTIVE: To examine the current state of basic and advanced gynecologic endoscopy teaching in Canadian Obstetrics and Gynecology (Ob/Gyn) residency programs. METHODS: On Institutional Research Board approval, 2 pretested anonymous questionnaires were developed: one distributed to all Canadian Ob/Gyn program directors and a second to graduating residents (Canadian Task Force classification III). Two mailings were sent to maximize response, and some department chairs received personal telephone calls by the senior author to encourage participation. Residents on maternity leave were excluded from the study. RESULTS: Fifteen of 16 (94%) program directors, and 47 of 62 (76%) residents participated. Directors expect all residents to be knowledgeable and competent performing basic endoscopic procedures on graduation. However, considerable variation exists among programs that teach advanced endoscopy. Some of the more important factors limiting integration of advanced endoscopic teaching include paucity of trained faculty, lack of attending interest, scarcity of operating time, and financial constraints. Most graduating residents consider undertaking additional gynecologic endoscopy fellowships. CONCLUSION: Most Ob/Gyn program directors and graduating residents consider endoscopic surgery essential to contemporary practice. There is consensus to improve resident teaching in gynecologic endoscopy and commitment to better prepare future practitioners to ensure patient safety. Paucity of trained faculty and fiscal constraints appear to be important limiting factors.

Canada↗
PubMed2006

Dissociating episodic from semantic access mode by mutual information measures: evidence from aging and Alzheimer's disease.

Re-thinking the semantic vs. episodic distinction with new experimental paradigms, we have designed a simple classification task to assess episodic and semantic access modes to memory for famous faces. The task requires to post 54 cards into nine mail boxes arranged in a 3x3 (nationality by field of activity) array, allowing for a quantitative analysis of the distribution of their responses, in particular of their classification errors. By using an information theoretical approach, we have developed an index of the concentration of errors, i.e. the metric content index. High levels of metric content indicate strong dependence of the classification performance on perceived relations among the set of stimuli, and therefore a preferred semantic access mode. We have found (1) a significant effect of age on the metric content, indicative of a shift from episodic to semantic access in older subjects (Experiment 1); (2) a significant correlation between the metric content and relevant measures assessing episodic and semantic retrieval mode in the Remember (R)/Know (K) paradigm introduced by Tulving [Tulving, E. 1985. Memory and consciousness. Can. Psychol. 26, 1-12] (Experiment 2); (3) a significant increase in metric content in early Alzheimer's disease patients compared to normal controls, consistent with their specific impairment in episodic access (Experiment 3).

Adult↗
PubMed2000

Current state of office laparoscopic surgery.

STUDY OBJECTIVE: To summarize office laparoscopic surgery practice profiles with emphasis on microlaparoscopy. DESIGN: Survey (Canadian Task Force classification III). SETTING: General gynecology and reproductive endocrinology laparoscopic surgery practices in the United States and abroad. INTERVENTION: Surveys were distributed to members of the American Association of Gynecologic Laparoscopists during 1999. PARTICIPANTS: Of 6200 members to whom surveys mailed, 1504 (24.3%) responded. MEASUREMENTS AND MAIN RESULTS: Of these respondents, 114 (7.6%) perform office laparoscopy and 187 (12.4%) microlaparoscopy. CONCLUSION: Clinicians who perform office laparoscopy are more likely to perform microlaparoscopy than macrolaparoscopy. The 2-mm microlaparoscope is preferred by most physicians.

Ambulatory Surgical Procedures↗
PubMed2005

Highlights of the 2002 Canadian Neurological Society (CNS) manpower survey.

BACKGROUND: The Canadian Neurological Society commissioned a manpower survey in 2002 to assess demographics, distribution, specialty interests, working conditions, job satisfaction and future plans of neurologists across the country. METHODS: A survey was mailed to all known Canadian neurologists (n = 694) on two separate occasions. Further encouragement by telephone contact was undertaken. The response rate was 54%. RESULTS: The mean age of neurologists who responded was 51 years, with 14% being women. Approximately 55% of neurologists were community-based. Seventy-six percent designated a sub-specialty interest. On average, neurologists worked 57 hours per week and the majority had significant "on-call" commitments. Job satisfaction was higher among academic neurologists when compared with community-based neurologists, and greater among men than women. A greater percentage of older neurologists were satisfied with their work than their younger colleagues. Significant attrition in the neurological work force is a major concern, since up to 20% of neurologists reported that they are likely to retire in the next five years and about 15% are likely to reduce their practice. CONCLUSIONS: This survey suggests that substantial concerns are facing Canadian neurology over the next five years. Major efforts to retain existing expertise and enhance residency training will be required to simply maintain the present quality of neurological care in Canada.

Attitude of Health Personnel↗
PubMed2005

A survey of U.S. prosthodontists and dental schools on the current materials and methods for final impressions for complete denture prosthodontics.

PURPOSE: The purpose of this study was to survey members of The American College of Prosthodontists (ACP) to evaluate current materials and methods for final impressions for complete denture prosthodontics in the United States. In addition, those methods were compared with methods and materials taught in U.S. dental schools via a second survey sent to the chairpersons of prosthodontic/restorative departments. MATERIALS AND METHODS: An anonymous questionnaire was mailed to all 1762 active ACP members in the United States in 2003. A slightly modified questionnaire was also distributed to chairpersons of prosthodontic/restorative departments in the 54 U.S. dental schools. Data analysis was performed via frequency distribution and chi-square statistics. RESULTS: Nine hundred and forty-five questionnaires were returned by members of the ACP (54% return rate) and 42 questionnaires were returned by the U.S. dental schools (78% return rate). The majority of the reporting prosthodontists (88%) and dental schools (98%) use a border-molded custom tray for final impressions for complete denture prosthodontics. The most popular material for border molding was plastic modeling compound (67% of reporting ACP members, and 95% of the responding dental schools). Variability of the materials used for final impressions was observed, with the most popular materials being polyvinylsiloxane for the ACP members (36%) and polysulfide for the dental schools (64%). Statistically significant differences were found in the materials used for border molding by prosthodontists based on the time elapsed since completion of prosthodontic training. No differences were found in the materials used for impression of edentulous arches based on years of experience. Geographic location did not influence the materials and methods used by prosthodontists for complete denture final impressions. CONCLUSIONS: There was variability of the materials and techniques used for final impressions by ACP members and dental schools; however, overall there was an agreement on the materials and techniques used by prosthodontists and dental schools. Distinct trends for increasing use of polyvinylsiloxane and polyether for border molding procedures and impressions of edentulous arches were observed both in members of the ACP and in the U.S. dental schools.

Dental Impression Materials↗
PubMed1986

A computer network for the surveillance of communicable diseases: the French experiment.

The description and first results of the French Communicable diseases Network are reported. The network, initiated in November 1984, currently includes the National Department of Health, the local health offices and various clinical, biological, and epidemiological partners. Surveillance of influenza, viral hepatitis, acute urethritis, measles, and mumps is based upon reports from sentinel general practitioners throughout France who are equipped with terminals and can communicate their data on a 24-hour basis. The network distributes electronic bulletins summarizing the surveillance data, the regional statistics concerning other diseases, and epidemiological and administrative news. Electronic mail is used for data validation and enhances communication between the parties of the network.

Communicable Diseases↗
PubMed2001

Family physicians' personal experiences of their fathers' health care.

OBJECTIVES: The American health care system is complicated and can be difficult to navigate. The physician who observes the care of a family member has a uniquely informed perspective on this system. We hoped to gain insight into some of the shortcomings of the health care system from the personal experiences of physician family members. STUDY DESIGN: Using a key informant technique, we invited by E-mail any of the chairpersons of US academic departments of family medicine to describe their recent personal experiences with the health care system when their parent was seriously ill. In-depth semi-structured telephone interviews were conducted with each of the study participants. The interviews were transcribed, coded, and labeled for themes. POPULATION: Eight family physicians responded to the E-mail, and each was interviewed. These physicians had been in practice for an average of 19 years, were nationally distributed, and included both men and women. Each discussed their father's experience. RESULTS: All participants spoke of the importance of an advocate for their fathers who would coordinate medical care. These physicians witnessed various obstacles in their fathers's care, such as poor communication and fragmented care. As a result, many of them felt compelled to intervene in their fathers' care. The physicians expressed concern about the care their fathers received, believing that the system does not operate the way it should. CONCLUSIONS: Even patients with a knowledgeable physician family member face challenges in receiving optimal medical care. Patients might receive better care if health care systems reinforced the role of an accountable attending physician, encouraged continuity of care, and emphasized the value of knowing the patient as a person.

Family↗
PubMed2006

Statistics and public health at CDC.

Since CDC's inception, an important function of the agency has been the compilation, analysis, and interpretation of statistical information to guide actions and policies to improve health. Sources of data include vital statistics records, medical records, personal interviews, telephone and mail surveys, physical examinations, and laboratory testing. Public health surveillance data have been used to characterize the magnitude and distribution of illness and injury; to track health trends; and to develop standard curves, such as growth charts. Beyond the development of appropriate program study designs and analytic methodologies, statisticians have played roles in the development of public health data-collection systems and software to analyze collected data. CDC/ATSDR employs approximately 330 mathematical and health statisticians. They work in each of the four coordinating centers, two coordinating offices, and the National Institute for Occupational Safety and Health.

Centers for Disease Control and Prevention, U.S.↗
PubMed1993

Mechanisms for exchange of image data to support distant medical consultation.

The VA has developed an integrated infrastructure to support the exchange of medical data, including images and text report data, between medical centers. This capability is expected to support teleconsulting and meet a variety of existing medical staffing and consultation needs. Consultation from distant locations requires at least the same complete integrated patient record available to onsite physicians. Several mechanisms are being explored to support distant medical consultation. Multimedia extensions to the VA's electronic mail system have been developed to allow images and other data objects to be included in electronic mail messages. Another approach that has been prototyped is to extend existing local imaging networks to produce more widely distributed imaging systems. These approaches will be described and discussed.

Computer Communication Networks↗
PubMedDate not supplied

Factors influencing dental hygiene retention in private practice.

PURPOSE: The objective of this study was to identity specific factors that contribute to dental hygienists remaining in the same private practice employment setting for five or more years. Working conditions, the employer and the organizational structure of the employment setting, scope of practice, and personal factors were assessed. METHODS: In 1992, a self-designed questionnaire was sent to a sample of 1,200 licensed dental hygienists. One state was randomly chosen from each of the 12 American Dental Hygienists' Association (ADHA) regions of the United States, and 100 licensed dental hygienists were randomly selected from each of these twelve states. Data were analyzed using univariate analysis (frequency distribution) and multivariate analyses (factor analyses). RESULTS: A 62.9% (n = 755) response rate was obtained from the 1200 questionnaires mailed. Of those dental hygienists, 14.3% (n = 108) were not practicing, and 85.7% (n = 647) were currently practicing. Nearly two-thirds (63.3%; n = 480) of the total number of respondents had been practicing five or more years in the same practice setting. Six major factors were identified by dental hygienists as reasons for remaining in one private practice setting for at least five years (1) quality/safe work environment, (2) time management for high-quality dental hygiene services, (3) effective employer office policies/procedures and personnel management, (4) employer support of professional career, (5) supportive work environment, and (6) variety in scope of practice. CONCLUSIONS: Factors identified in this study as influential in dental hygienists' retention in private practice are similar to those identified as reasons for leaving the profession in previous attrition and reentry studies. To increase retention and job satisfaction of dental hygienists in the private practice setting, strategies for effectively working with employers should be emphasized in dental hygiene and dental curriculums and in continuing education programs.

Adult↗
PubMed2000

Management of diabetic retinopathy by Australian ophthalmologists. Working Group on Evaluation of the NHMRC Retinopathy Guideline Distribution. National Health and Medical Research Council.

OBJECTIVE: To describe current management practices of diabetic retinopathy used by Australian ophthalmologists. SETTING: Two-page self-administered questionnaire mailed to 622 ophthalmologists listed with the Royal Australian College of Ophthalmologists. METHODS: The survey included questions about practice details such as size and location; specialty; current practice with regard to management of patients with diabetes; confidence in screening for diabetic retinopathy; and a number of patient scenarios related to screening, follow-up and treatment of diabetic retinopathy. RESULTS: Of the 577 eligible ophthalmologists, 475 (82%) completed the questionnaire. They had been practicing ophthalmology between 1 and 50 years (median 16 years) and 89 (19%) indicated that they had a subspecialty interest either in vitreo-retinal surgery or in medical retina. For 145 (30.5%) of the ophthalmologists, at least one of their practices was located in a country area. The estimated percentage of patients with diabetes ranged from 0.1 to 60% (mean = 9.9%). Retinal specialists perform between 0 and 750 macular focal photocoagulation procedures per year (mean = 94) compared with a range of 0-350 for nonretinal specialists (mean = 10.3) (t = 6.1, P < 0.001). The ophthalmologists were presented with a hypothetical patient with cataract requiring surgery and clinically significant macular oedema that would be difficult to treat (but not impossible) because of the cataract. Seventy-seven ophthalmologists (16%) said they would delay the macular laser therapy until after the cataract surgery had been performed. In multivariate logistic regression models, nonretinal specialists were 4.44 times as likely to perform the cataract surgery first (95%CL = 1.57, 12.6) and ophthalmologists who had been in practice more than 15 years were 2.50 times as likely to perform cataract surgery first (95%CL = 1.47, 4.26). There were other examples of practice that differed from the National Health and Medical Research Council (NHMRC) guidelines in patient scenarios. The majority of ophthalmologists (60%) expressed a moderate or strong need to learn more about the management of diabetic retinopathy. DISCUSSION: The variability in the management of diabetic retinopathy by Australian ophthalmologists and the desire of ophthalmologists to learn more about diabetic retinopathy provide evidence to support the need for the NHMRC Guidelines for Diabetic Retinopathy. These data will be used to evaluate changes in practice as a result of the implementation of the guidelines.

Diabetic Retinopathy↗
PubMed1999

Parental attitude towards alternative medicine in the paediatric intensive care unit.

UNLABELLED: The interest in alternative medicine (AM) is growing. In the USA and Canada, studies showed that 34% of adults and 11% of children use AM. In a prospective cohort study, we investigated the interest in AM among parents of critically ill children in the paediatric Intensive Care Unit (ICU) of a university hospital. From January 1996 to April 1997, we distributed questionnaires to the parents of critically ill children. These strictly anonymous questionnaires were completed at home and returned by mail. Exclusion criteria were short ( < 1 day) or repeated hospitalizations, and insufficient proficiency of the German language. The inclusion criteria were fulfilled by 591 patients; 561 received the questionnaire (95%) and 289 (52%) were returned. Of the respondents, 70% would appreciate AM as a complementary therapy on the ICU, 23% found AM equally or more important than conventional medicine whereas only 7% regarded AM as unimportant. On the ICU, 18% used AM; surprisingly 41% of them did not discuss it with physicians or nurses. An additional 21% would have liked to use AM, but did not do so. Typically, AM-users administered AM also at home to their children and themselves. Their children were however, older. CONCLUSIONS: A substantial proportion of parents used measures of alternative medicine in the intensive care unit, or would have like to do so. However, few had the confidence to discuss this wish with the medical personal. This suggests that alternative medicine is of great interest, even on an intensive care unit. Nevertheless, discussion about alternative medicine seems to be taboo in doctor-patient relations.

Adolescent↗
PubMed1995

[An analysis of the prevalence of respiratory symptomatology in the general population].

This paper is a report of a cross-sectional epidemiological study that formed part of multicenter European project; the aim was to estimate the prevalence of respiratory symptoms and signs related to asthma over a period of 12 months in the city of Seville. A sample of 4,000 persons of both sexes, aged between 20 and 44 years old, was surveyed first by mail questionnaire and later by telephone interview. We analyzed the response index obtained with the mail survey for the epidemiological study of asthma in the area and for the frequency of respiratory symptoms and their distribution by age and sex. The response index was 53.36% and was similar for men and for women. Forty-nine percent reported at least one respiratory symptom, with nocturnal coughing attacks (27.7%) and wheezing (22.2%) being the most frequent. The frequency of these symptoms was different by sex, however, with the former more often reported by women (p < 0.02) and the latter by men (p < 0.001). We found that 14.9% of the population had rhinitis and that women reported this symptom more often (p < 0.02). Symptoms related to asthma were nocturnal attacks of breathlessness, the use of asthma medication and an asthma attack diagnosed by a physician within the last 12 months. With these criteria the estimated prevalence of asthma was 11.72%, a proportion that held steady for all age groups except the middle-aged and for both sexes.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed2001

The association between exposure to a rear-end collision and future health complaints.

Different symptoms, together with neck pain, have been attributed to persons with persistent complaints after a previous motor vehicle crash (MVC) and are sometimes referred to as the "late whiplash syndrome." A cohort study was conducted to determine whether exposure to a rear-end collision, with or without whiplash injury, is associated with future health complaints. The results regarding future neck or shoulder pain have previously been described, and the objective of the present report was to focus on outcomes other than neck pain. Included in the study were persons 18 to 65 years of age and covered by traffic insurance at one of the largest insurance companies in Sweden. Claim reports were collected from the period November 1987 to April 1988. Drivers exposed to a rear-end collision were divided into two subgroups: those with reported whiplash injury (n = 232) and those without reported whiplash injury (n = 204). For comparison, 3688 subjects who were unexposed to MVCs were selected, with consideration taken to the age and gender distribution in the exposed subgroups. The prevalence of different health complaints among the study subjects was estimated according to a mailed questionnaire at follow-up in 1994, 7 years after the rear-end collision. When exposed subjects with whiplash injury were compared to unexposed subjects, increased relative risks in the range of 1.6-3.7 were seen for headache, thoracic and low back pain, as well as for fatigue, sleep disturbances and ill health. No corresponding increased risks were found among the exposed subjects without reported whiplash injury. We conclude that rear-end collisions resulting in reported whiplash injuries seem to have a substantial impact on health complaints, even a long time after the collision. There is a need to identify factors that predict a non-favorable outcome in order to improve clinical management.

Accidents, Traffic↗