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Haglund's deformity and retrocalcaneal bursitis.

An excessive prominence of the bursal projection in the posterosuperior aspect of the calcaneous constitutes Haglund's deformity. Swelling in this area constitutes Haglund's disease and is associated with retrocalcaneal bursitis. Rigid and prominent heel counters with high heels impinge on the soft tissues overlying the prominence and give rise to symptoms of pain and swelling. Cavo varus deformities exacerbate this problem. The bursal projection can be demonstrated radiologically by a superior calcaneal angle of more than 75 degrees, a combination of calcaneal inclination and a posterior calcaneal angle of more than 90 degrees, and excessive bone above the upper parallel pitch line. Conservative treatment should always be implemented, and only those that have not benefited from such therapy should be considered for surgery. The results of surgery are satisfactory, provided adequate bone has been resected and no damage to local peripheral nerves or the Achilles tendon has been sustained. After a period of immobilization, an appropriate rehabilitation program must complement the treatment to ensure the early return of function to the tendons and surrounding joints.

Achilles Tendon↗

The Human Genome Project: view from the Department of Energy.

The Human Genome Project (HGP), a research effort initiated by the Department of Energy (DOE) and jointly managed by the National Institutes of Health (NIH) and the DOE, will determine a representative (but complete) sequence of the DNA from a typical human cell. This information and the associated resources will help us understand the critical differences that make us individuals and lead to insights into many areas of medicine, biology, and biotechnology. The HGP was conceived because DOE and its predecessor agencies had a longstanding interest in developing more sensitive methods to detect genetic changes induced by ionizing radiation and to understand the related health effects. Additionally, the unique capabilities and resources of the DOE national laboratory system, including a multidisciplinary research environment, high-skill engineering and high-performance computing centers fostered the ideal conditions for the success of such an ambitious undertaking. Knowing the human genome will revolutionize the practice of biology in the next century with far-reaching implications to health care and sustainable development. In a novel departure from previous science programs, the Human Genome Project includes a subprogram devoted to the ethical, legal, and societal implications (ELSI) of human genome research.

Government Agencies↗

Treatment of obesity by exercise in the cold.

Six obese men aged 25 to 46 years exercised vigorously for 3 1/2 hours in a cold chamber (-34 degrees C) on 10 successive days. There was an early water loss of about 1 kg, probably due to mobilization of glycogen stores, and a subsequent fat loss of about 4 kg (as estimated from readings of skinfold thickness and confirmed by underwater weighing). The total fat loss was much greater than the calculated external energy deficit (as estimated from dietary records, an activity diary and use of a Kofranyi-Michaelis respirometer). Although some energy was "wasted" through ketosis, much of the additional energy was apparently used for synthesis of additional muscle protein. Both readings of skinfold thickness and underwater weighing indicated that the loss of adipose tissue was well sustained in the first 2 months after the exercise program. Further experiments are recommended to determine whether cold exposure makes a specific contribution to the observed weight loss, and whether this approach would be equally effective in a larger and less selected sample of obese patients.

Adult↗

[Should protocol of programmed ventricular stimulation be adapted to each patient? ].

The authors report the case of a 56 year old patient in whom the mechanisms of a wide QRS complex tachycardia recorded on an intensive care monitor could not be determined. The patient also had episodes of atrial flutter with left bundle branch block. Programmed ventricular stimulation with 3 extrastimuli triggered a non-specific ventricular flutter. One week later, the patient was resuscitated from a cardiac arrest which was undocumented. It was therefore important to elucidate the mechanism of the initial tachycardia. A second session of programmed ventricular stimulation was undertaken. As the use of 2 extrastimuli triggered runs of unsustained polymorphic ventricular tachycardia, the classical protocol was stopped. An infusion of low-dose isoproterenol was used to repeat programmed stimulation with a single extrastimulus. This protocol triggered sustained monomorphic ventricular tachycardia at 240/min. The diagnosis of ventricular tachycardia could therefore be continued.

Cardiac Pacing, Artificial↗

[Functional state and indications for a rehabilitation program of patients in a dialysis center: a multidisciplinary study with ergonomic, physiatrical and psychological evaluation].

The following study describes the functional status of the entire chronic hemodialysis ambulatory population in treatment at our center. The patients were evaluated from 3 points of view: ergonomic, phyiatric and psychological, thus going a snapshot picture in time of their status. Based on these three evaluations, the need for rehabilitation intervention was determined and rehabilitation treatment program was elaborated. The ergonomic evaluation determined the maximal sustained workload (MSW) from O2 consumption, minute ventilation, heart rate, subjective perception of fatigue and dyspnea. The phyiatric examination included a thorough musculoskeletal examination, application of a functional ability instruments (Karnofsky + FIM) and then integrated the results with the ergonomic + psychologic testing in order to generate phyiatric prescription. The psychologist had a conversation with all patients and applied 2 instruments for evaluation of health-related quality of life (CBA-H + SIP). The results of these studies indicated a markedly compromised aerobic capacity, which worsened with age in years rather than with years in dialysis. Phyiatric prescription were considered necessary in 78% of the patients with major goals being re-conditioning and joint mobilization in order to diminish the fragility of independence in this population. The psychological arm of the study revealed good adaptation to chronic dialysis in 75% of the population, with however absorption of a passive lifestyle. The remaining 25% of the population showed severe psychological distress and social withdrawal. Psychological support for this population is necessary to identify families at risk for stress and poor adaptability as well as to help motivate patients who require rehabilitation to participate in therapy.

Adult↗

The first 15 years of the American Academy of Dermatology skin cancer screening programs: 1985-1999.

BACKGROUND: In response to the precipitous increase of melanoma, the American Academy of Dermatology (AAD) has coupled melanoma/skin cancer education with free skin cancer screening programs throughout the United States since 1985. The purpose of this analysis is to investigate the risk factors, access to dermatologic services, and screening results of participants in AAD-sponsored programs during the first 15 years that this service was available to the US public. METHODS: Before screening, participants completed a standardized AAD screening form. Screening forms were counted in the AAD central office and recorded in annual summaries. Forms were sent for keypunching and returned to the AAD on a computer disk annually. In 1999, disks were sent to Boston University and a master file was created. RESULTS: Computerized records were available for 819,019 screening forms and 639,835 individuals. In all, 65% of screenees had at least 1 risk factor and 33% had at least 2 risk factors. Of screenees, 33% reported a changing mole and 37% had skin type I or II. Among all screenees, nearly 80% did not have a regular dermatologist, 78% reported no prior AAD skin cancer screening, 60% had never had their skin checked by any doctor, and 51% would not have seen a doctor for skin cancer without the free screening. Nearly 30% of screenees had a presumptive diagnosis of skin cancer or a precursor lesion. Melanomas confirmed by postscreening biopsy were more likely than those in population-based registries to be less than 1.50 mm in thickness. CONCLUSIONS: AAD national screening and educational programs have expanded to all 50 states, provided educational messages about sun protection and early detection to millions, and served many US citizens with an above average risk for skin cancer and suboptimal access to dermatologic care. Screenees had a disturbingly high point prevalence of malignant and premalignant skin lesions. Sustained commitment by the AAD leadership and membership to the screening program is critical to reducing the morbidity and mortality of skin cancer.

Adolescent↗

Costs of operating a supported work program for traumatically brain-injured individuals.

This paper presents a preliminary analysis of costs associated with a return-to-work program emphasizing a supported employment approach for persons who had sustained severe traumatic brain injuries. This analysis spans almost three years. Results indicated that a mean of 237.8 hours of staff intervention time was required to achieve job stabilization, at a cost of +6896. Ongoing follow-along and support services averaged 1.64 hours per week at a cost of +47.56. Over 68% of total staff time and costs were expended in job-site training and advocacy efforts. Application of these findings to state-level and agency-level policies should be weighed against individual characteristics and needs of clients, program design, and outcomes which clients achieve as a result of services.

Adolescent↗

Organizational diversity among distinct glycoprotein endoplasmic reticulum-associated degradation programs.

Protein folding and quality control in the early secretory pathway function as posttranslational checkpoints in eukaryote gene expression. Herein, an aberrant form of the hepatic secretory protein alpha1-antitrypsin was stably expressed in a human embryonic kidney cell line to elucidate the mechanisms by which glycoprotein endoplasmic reticulum-associated degradation (GERAD) is administered in cells from higher eukaryotes. After biosynthesis, genetic variant PI Z underwent alternative phases of secretion and degradation, the latter of which was mediated by the proteasome. Degradation required release from calnexin- and asparagine-linked oligosaccharide modification by endoplasmic reticulum mannosidase I, the latter of which occurred as PI Z was bound to the molecular chaperone grp78/BiP. That a distinct GERAD program operates in human embryonic kidney cells was supported by the extent of PI Z secretion, apparent lack of polymerization, inability of calnexin to participate in the degradation process, and sequestration of the glycoprotein folding sensor UDP-glucose:glycoprotein glucosyltransferase in the Golgi complex. Because UDP-glucose:glycoprotein glucosyltransferase sustains calnexin binding, its altered distribution is consistent with a GERAD program that hinders the reentry of substrates into the calnexin cycle, allowing grp78/BiP to partner with a lectin, other than calnexin, in the recognition of a two-component GERAD signal to facilitate substrate recruitment. How the processing of a mutant protein, rather than the mutation itself, can contribute to disease pathogenesis, is discussed.

Alkaloids↗

Early childhood development in deprived urban settlements.

Poverty, the root cause of the existence of slums or settlement colonies in urban areas has a great impact on almost all aspects of life of the urban poor, especially the all-round development of children. Examples from countries, across the globe provide evidence of improved early child development, made possible through integrated slum improvement programs, are few in numbers. The observed 2.5% prevalence of developmental delay in the less than 2 year olds of deprived urban settlements, the presence of risk factors for developmental delay like low birth weight, birth asphyxia, coupled with poor environment of home and alternate child care services, highlights the need for simple cost effective community model for promoting early child development. This review on early child development focuses on the developmental status of children in the deprived urban settlements, who are yet to be on the priority list of Governments and international agencies working for the welfare of children, the contributory nature-nurture factors and replicable working models like infant stimulation, early detection of developmental delay in infancy itself, developmental screening of toddlers, skill assessment for preschool children, school readiness programs, identification of mental sub-normality and primary education enhancement program for primary school children. Further, the review probes feasible intervention strategies through community owned early child care and development facilities, utilizing existing programs like ICDS, Urban Basic Services and by initiating services like Development Friendly Well Baby Clinics, Community Extension services, Child Development Referral Units at district hospitals and involving trained manpower like anganwadi/creche workers, public health nurses and developmental therapists. With the decentralization process the local self-government at municipalities and city corporations are financially equipped to be the prime movers to initiate, monitor and promote early child development programs, to emerge as a part and parcel of community owned sustainable development process.

Child↗

A controlled trial of health promotion programs in 11-year-olds using physical activity "enrichment" for higher risk children.

OBJECTIVE: To evaluate the short and long term benefits of a school and home based physical activity "enrichment" program for children at higher risk of cardiovascular disease as identified by cluster analysis. STUDY DESIGN: During two 10-week school terms, 800 11-year-olds took part in a randomized controlled trial with the standard physical activity and nutrition program in six schools, the standard program in a further seven schools but with the addition of physical activity enrichment for higher risk children in those schools, and no program in five control schools. Cluster analysis identifying the 29% or so highest risk children used systolic blood pressure, percent body fat, physical fitness, and blood cholesterol. RESULTS: Fitness improved significantly in program schools, particularly with enrichment in higher risk boys. Substantial improvements persisted 6 months later in girls from program schools. At "Enrichment" schools, cholesterol showed significant benefits in higher risk girls and, 6 months later, in both boys and higher risk girls. Sodium intake and, in girls, subscapular skinfolds were lower in "Enrichment" schools when the program ended, but not 6 months later. CONCLUSION: Two-semester health programs with physical activity enrichment for higher risk children can produce benefits sustained for at least 6 months. Improvements extend to lower risk children exposed indirectly to the enrichment. Attenuation of effects on diet and body composition in the longer-term suggest the need for on-going programs.

Anthropometry↗

Left ventricular assist devices. Psychosocial burden and implications for heart transplant programs.

Left ventricular assist devices (LVADs) driven by external sources and capable of sustaining life over weeks to months as a bridge to heart transplantation have been implanted in over 300 patients in the United States. Because of the limited availability of organs for transplantation, the remarkable degree to which LVADs reverse end-organ dysfunction, and patient acceptance, proposals for home LVAD treatment and for use of the LVAD as a permanent treatment for heart failure are being considered. LVAD therapy is associated with characteristic psychiatric and psychosocial problems, however, which must be addressed to optimize results. Among the first 30 LVAD patients treated at our center, psychiatric interventions were frequently required for family stress, major depression, organic mental syndromes, and serious adjustment disorders. Psychiatric problems most often occurred in patients with ongoing medical complications following LVAD implantation, and often significantly impaired rehabilitation. Both depression and organic mental syndromes were frequently associated with preexisting cerebrovascular disease, which was sometimes occult, and with strokes complicating LVAD therapy. Aggressive treatment of depression played a major role in improving functional status. LVADs may decompress heart transplant waiting lists and make it possible to optimize patients' physiological and functional status before transplantation. With increased LVAD use, however, neuropsychiatric factors can be expected to play a large role in determining quality of life and outcome both before and after heart transplantation.

Activities of Daily Living↗

Ventricular late potentials in patients with and without inducible sustained ventricular tachycardia: a combined analysis in the time and frequency domain.

Time and frequency of signal-averaged electrocardiograms from 51 patients and 19 normal subjects were studied. A new filter device was designed to facilitate the analysis of the complete QRS complex, particularly the high-frequency components. All patients underwent electrical programmed stimulation (EPS) with up to three extra stimuli. In 29 patients, sustained ventricular tachycardia (VT) was inducible (group A), whereas in 22, sustained VT could not be elicited (group B). Between A and B, we compared several variables from the signal-averaged ECG as well as clinical data. The variables that differed between the two groups (P less than 0.01) were entered into a logistic regression model to determine which ones could most reliably predict the outcome of EPS. A combination of three variables (number of minima and maxima in the terminal QRS; third of four areas of equal length, divided by the total area below the QRS; maximum of the frequency spectre in the terminal QRS) could predict the inducibility of sustained VT with 82.8% sensitivity and 86.4% specificity.

Adult↗

Noninvasive detection of patients with ischemic and nonischemic heart disease prone to ventricular fibrillation.

Abnormalities in the fast Fourier transforms of signal-averaged electrocardiograms (ECGs) obtained during sinus rhythm appear to distinguish patients with ischemic heart disease and sustained monomorphic ventricular tachycardia from those without ventricular tachycardia. This study was performed to determine the power of frequency analysis to detect patients with a history of ventricular fibrillation, to determine the extent to which spectra of signal-averaged ECGs from patients with ischemic and nonischemic heart disease are comparable and to compare results of signal-averaged ECG analysis in patients with ventricular fibrillation with results of programmed ventricular stimulation. Signal-averaged ECGs were obtained during sinus rhythm from 60 patients with sustained ventricular tachycardia (Group I) and 34 patients with ventricular fibrillation (Group II). Results of signal-averaged ECG analysis were abnormal in 92% of patients with ventricular tachycardia and 85% of patients with ventricular fibrillation (p = NS). Abnormal spectra were detected in the signal-averaged ECGs from 90% of patients with ischemic and from 86% of patients with nonischemic heart disease (p = NS). In contrast, the results of programmed stimulation differed markedly between the two patient groups. Sustained ventricular arrhythmias were induced in 91% of the patients with ventricular tachycardia compared with only 46% of those with ventricular fibrillation (p less than 0.0001). Moreover, ventricular tachycardia was inducible in 81% of patients with ischemic heart disease compared with only 50% of those with nonischemic heart disease (p less than 0.02). Thus, abnormalities in the spectra of signal-averaged ECGs were found in the majority of patients with ventricular fibrillation and were detectable even in those whose arrhythmia was not inducible by programmed stimulation. These results broaden the potential clinical application of noninvasive interrogation of signal-averaged ECGs to include the prospective identification of patients with ischemic or nonischemic heart disease prone to ventricular tachycardia or ventricular fibrillation.

Cardiac Pacing, Artificial↗

Health science learning academy: a successful "pipeline" educational program for high school students.

OBJECTIVE: The objective of the Health Professions Partnership Initiative is to increase the number of underrepresented minority Georgia residents who become health care professionals by (1) creating a pipeline of well-qualified high school and college students interested in health care careers, (2) increasing the number of well-qualified applicants to medical and other health professions schools, and (3) increasing the number of underrepresented minority students at the Medical College of Georgia (MCG). DESCRIPTION: The Health Professions Partnership Initiative at MCG was created in 1996 by collaboration among the MCG Schools of Medicine and Nursing, two Augusta high schools attended primarily by underrepresented minority students, three historically black colleges and universities, the Fort Discovery National Science Center of Augusta, community service organizations, and MCG student organizations. The project was funded by the Association of American Medical Colleges and The Robert Wood Johnson Foundation. The high school component, the Health Science Learning Academy (HSLA), was designed to strengthen the students' educational backgrounds and interest in professional careers as evidenced by increased standardized test scores and numbers of students entering college and health professions schools. Additional goals included a system to track students' progress throughout the pipeline as well as professional development sessions to enrich faculty members' knowledge and enhance their teaching expertise. The HSLA began with ninth-grade students from the two high schools. During its second year, funding from the Health 1st Foundation allowed inclusion of another high school and expansion to ninth grade through twelfth grade. The HSLA's enrichment classes meet for three hours on 18 Saturday mornings during the academic year and include computer-interactive SAT preparation and English composition (tenth grade); biology, algebra, calculus, and English composition (eleventh grade); and advanced mathematics and biology (twelfth grade). DISCUSSION: The ultimate solution to the paucity of underrepresented minority physicians resides largely in successful pipeline programs that expand the pool of well-qualified applicants, matriculants, and graduates from medical schools. Intermediate results of the HSLA support the success of the program. Since its creation in the 1996-1997 academic year, 203 students have participated in the HSLA and all 38 (from the original two schools) who completed the four-year program have enrolled in college. The mean SAT score for students who completed the HSLA program was 1,066, compared with a mean of 923 for all college-bound students in the participating schools. The mean increases in SAT scores for students who completed the four-year program were.5% (1,100 to 1,105) for students attending a magnet high school and 18% (929 to 1,130) for students attending the comprehensive high school. The mean overall increases in SAT scores for students in the two high schools were 1% (1,044 to 1,048) and 9.1% (765 to 834), respectively. The HSLA is accomplishing its goals and, while it is too early to know if these students will participate in MCAT preparatory programs and apply to medical and other health professions schools, their sustained commitment and enthusiasm bode well for continued success.

Academies and Institutes↗

Decreasing the incidence of recurrence of first time anterior shoulder dislocations with rehabilitation.

Studies of adolescent and young adult males sustaining primary anterior shoulder dislocations reveal the likelihood of recurrence to be virtually always above 50% and as high as 79% to 94%. Common among these investigations is the lack of a specific, rigidly adhered to rehabilitation program. During a 3 1/2 year period, 20 midshipmen at the United States Naval Academy sustained primary anterior shoulder dislocations. All participated in an identical treatment regimen which included a restrengthening program emphasizing the muscles of internal rotation and adduction, plus rigid restrictions of activities until the goals of their rehabilitation program were satisfied. Exercises progressed from isometrics through isotonics and isokinetics. Goals included return to full active, unrestricted duty and athletic participation which included participation in the sport that resulted in the original dislocation. Patients were followed for an average of 35.8 months (with a range of 17 to 45 months). During the period of study there were five recurrences (25%). A success rate of 75% would suggest that adherence to a specific, aggressive postdislocation rehabilitation program, plus rigid restrictions of activities until the goals of the program are satisfied, can substantially improve the likelihood of a full return to activity without recurrent shoulder dislocation.

Adolescent↗

Closing the divide: diverse populations and cancer survivorship.

Currently, there is a "divide" between cancer survivorship initiatives and minority participation. The level of participation is nearly nonexistent in many cancer support and control initiatives. Cancer survivorship resources that facilitate access to treatment, psychosocial interventions, clinical trials, and research are key components to eliminating this divide. Differences in cancer results among minority populations are caused by several factors, including biologic reactions to environmental activities, socioeconomic status, perceived beliefs and notions of medical professionals, a lack of resources to participate in cancer support groups, and having personal contact with cancer survivors. Health professionals, advocates, and researchers hold the key to opening more opportunities for the improvement of cancer survivorship among minorities. The belief that "one size fits all" is unrealistic. These beliefs can influence participation in innovative clinical trials, decisions about treatment, emotional responses, and social support relationships. To help ensure participation in these programs, researchers and health workers must understand the role of social and psychosocial implications and results of the assessment, strategies, and sustainability that must be included in the development stage of any cancer support and survivorship initiatives. For this article, the authors examined mechanisms that can be used by cancer-control researchers and program staff to limit the divide between cancer survivorship initiatives and minority participation. They identified three strategies that must be used to address this divide effectively: the inclusion of minorities in clinical trials, intervention studies, treatment, and research programs; the development of culturally sensitive environments; and the ability to sustain minority participation. In summary, cancer survivorship includes many components that are developed individually and collectively to formulate sound strategies for including minorities in cancer-control initiatives. These programs should go beyond basic support groups and should include research studies, clinical trials, and alternative treatments for increasing cancer survival rates and quality of life among minorities. The divide can be addressed only through a proactive initiative that brings cancer survivorship initiatives and minority communities together in full partnership.

Attitude of Health Personnel↗

Factors other than environmental issues influence resource allocation decisions of school foodservice directors.

OBJECTIVE: To identify resource allocation decisions and policies and procedures used by school foodservice directors that were based on the concepts of pollution prevention, product stewardship, and sustainable development. DESIGN: A questionnaire about operational characteristics (including equipment and production systems, menu selection and service style) and environmental issues was mailed to school foodservice directors. SUBJECTS/SETTING: Subjects were school foodservice directors in major cities who were members of the American School Food Service Association. Of the 389 questionnaires mailed, 168 (45.5%) were returned and used for data analysis. STATISTICAL ANALYSIS PERFORMED: Descriptive statistics, analysis of variance, and correlation were used to analyze data. RESULTS: Cost factors were rated more important (P < or = .05) than environmental factors when operational decisions were made. Labor was ranked as the most important future issue by 45.0% of respondents, but it was not the most important factor when current operational decisions were made. Less than 20.0% of the respondents indicated that their districts had specific water (3.3%), energy (14.2%), or solid waste management policies (16.0%). However, 62.6% of respondents stated that their district had a recycling program. APPLICATIONS/CONCLUSIONS: With the exception of recycling programs, school foodservice departments have not adopted a framework of pollution prevention, product stewardship, and sustainable development practices. Recycling and energy conservation programs and use of locally grown food products would minimize the environmental impact of school foodservice operations while reducing operational costs.

Conservation of Natural Resources↗

Racial disparities in access after regulatory surveillance of benzodiazepines.

BACKGROUND: We examined the effects of a prescription-monitoring program on benzodiazepine access among Medicaid enrollees living in neighborhoods of different racial composition. METHODS: We used interrupted time series and logistic regression to analyze data from noninstitutionalized persons aged 18 years or older (N = 124 867) enrolled continuously in New York Medicaid 12 months before and 24 months and 7 years after initiation of the program. We used census data to identify the racial composition of the neighborhoods. Outcome measures were nonproblematic use (short term, within dosing guidelines), potentially problematic use (>120 days' use or more than twice the recommended dose), and pharmacy hopping (filling prescriptions for the same benzodiazepine in different pharmacies within 7 days). RESULTS: There was a sudden, sustained reduction in benzodiazepine use in all the neighborhoods after the program's introduction. Despite the lowest rates of baseline use, enrollees in predominantly (> or = 75%) black neighborhoods experienced the highest rates of discontinuation after introduction of the program. This difference remained 7 years after policy initiation. Compared with white participants, black participants were more likely to discontinue nonproblematic (odds ratio, 1.78; 95% confidence interval, 1.47-2.17) and potentially problematic (odds ratio, 1.77; 95% confidence interval, 1.45-2.17) benzodiazepine use, after adjusting for sex, eligibility status, neighborhood poverty, and baseline use. The program almost completely eliminated pharmacy hopping in all racial groups, although less among white participants (82.6%) vs black participants (88.7%). CONCLUSIONS: A systematic benzodiazepine prescription-monitoring program reduced inappropriate prescribing, with a stronger effect in predominantly black neighborhoods despite lower baseline use. The policy may have resulted in an unintended decrease in nonproblematic use that disproportionately affects black populations.

Adult↗