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111.
112.
This analysis shows a definite trend of fiscal and social retrenchment policy by the government concerning in-home care service delivery (Tables 1 and 2). Ruggie (1990:164) notes that such shifts and changes in Medicare reimbursement patterns may be efforts of the government to realign itself to become the pivotal force in the provision or delivery of in-home care. Cost-containment pressures, although most needed in the health care industry, are the primary driving force behind retrenchment and the subsequent realignment of government. Such forces tend to impede the development of a comprehensive system for the provision of long-term care services. As noted, the movements and shifts in reimbursement patterns documented by this analysis can lead one to conclude that the same old features will continue to prevail instead of new and innovative delivery structures or public-private partnerships. In other words, the in-home care industry will become more like the nursing home industry--highly regulated and perpetually plagued by questions concerning quality of care. Although government is attempting to diminish its task as the prime provider of health services (i.e., through fiscal retrenchment) and the public's role as the dominant delivery system (i.e., social retrenchment), nevertheless the government has been unable to retrench politically in spite of its present direction of cost containment and fiscal restraint. Consequently, Ruggie (1990:147) notes that "the social welfare functions may continue to be performed" in spite of cost restraint policies. As a result, another "no care zone" is created and policy-makers will continue to develop "crisis policy" such as intense demands to hold unit costs low. The home care system has expanded many of the long-term care options and has emerged as a salient segment of our health and social service system (Applebaum and Phillips, 1990). Yet, policy-makers have not developed a comprehensive long-term care system, particularly one that defines a common policy for home care benefits and engenders the right kind of public-private partnership for the delivery of quality home care.  相似文献   
113.
OBJECTIVES: To assess self-reported knowledge, attitudes, and behaviors of practicing community family physicians regarding identification and management of depression in late life. DESIGN: We sent a 3-page "fax-back" survey to 768 active physician members of the Maryland Academy of Family Physicians, Baltimore. MEASUREMENTS: We asked physicians to rate how confident they felt in evaluating several common medical conditions of late life, including depression. The questionnaire included items related to knowledge and treatment practices for depression in older adults. RESULTS: Two hundred fifteen usable surveys were returned. In general, physicians took responsibility for diagnosing and treating depression. Few physicians reported that they routinely referred the older patient to a psychiatrist to treat depression, and only half thought that consultation was helpful. Physicians responding to the survey were generally aware of alternative presentations of depression in elderly persons, and were well informed about the duration of treatment with medications for depression. Most were using selective serotonin reuptake inhibitors as first-line agents to treat depression. Physicians though that medications for depression were as effective for older patients as for younger patients, but were less optimistic about the effectiveness of psychotherapy. The barriers to identifying and treating depression in older patients most often mentioned by physicians were related to the atypical presentation of depression in older adults. More than half of the physicians rated themselves as "very confident" in evaluating depression. There were few differences in the responses of physicians with and those without a Certificate of Added Qualifications in geriatrics. CONCLUSIONS: Depression in late life remains a difficult clinical challenge for primary care physicians. These findings are particularly relevant in the face of recent efforts to increase collaboration between primary care physicians and mental health professionals.  相似文献   
114.
Waterborne disease statistics only begin to estimate the global burden of infectious diseases from contaminated drinking water. Diarrheal disease is dramatically underreported and etiologies seldom diagnosed. This review examines available data on waterborne disease incidence both in the United States and globally together with its limitations. The waterborne route of transmission is examined for bacterial, protozoal, and viral pathogens that either are frequently associated with drinking water (e.g., Shigella spp.), or for which there is strong evidence implicating the waterborne route of transmission (e.g., Leptospira spp.). In addition, crucial areas of research are discussed, including risks from selection of treatment-resistant pathogens, importance of environmental reservoirs, and new methodologies for pathogen-specific monitoring. To accurately assess risks from waterborne disease, it is necessary to understand pathogen distribution and survival strategies within water distribution systems and to apply methodologies that can detect not only the presence, but also the viability and infectivity of the pathogen.  相似文献   
115.
116.
It is frequently observed in contemporary industrialised societies that although women live longer than men, they are sicker than men in that they report higher rates of morbidity, disability and health care use. One common element of the explanation for women's higher rates of morbidity is that there are gender differences in the way that symptoms are perceived, evaluated and acted upon. It is widely assumed that women will be more ready to report illness and to seek help and that they have greater flexibility in their lives to accommodate illness. The few studies that have examined men and women with the same conditions or symptoms are contradictory, but lend little support to this hypothesised greater propensity, yet it is still widely believed. Here we compare men's and women's answers to a global, commonly used question about chronic illness and to a series of more specific prompts and classify the conditions reported by an externally defined categorisation of severity and International Classification of Disease chapter. Contrary to the common expectation that women report higher rates of morbidity and are more ready to report mental health problems, we found: no gender differences in the initial reporting of conditions; men reported a higher proportion of their conditions in response to the initial global question; and no evidence that women were more likely to report 'trivial' or mental health conditions in response to the initial question.  相似文献   
117.
BACKGROUND: Animal and human data suggest that magnesium may play an important role in ischaemic heart disease. Few prospective epidemiological studies have related serum magnesium concentrations to mortality from ischaemic heart disease (IHD) or all-causes. METHODS: Data from the National Health and Nutrition Examination Survey Epidemiologic Followup Study were used to examine the association between serum magnesium concentration, measured between 1971-1975, and mortality from IHD or all-causes in a national sample of 25-74-year-old participants followed for about 19 years. RESULTS: The analytical samples for IHD and all-cause-mortality included 12 340 and 12 952 participants, respectively (1005 IHD deaths, 2637 IHD deaths or hospitalizations, 4282 total deaths). Hazard ratios for IHD mortality from proportional hazards analysis comparing the second (1.59-<1.68 mEq/l), third (1.68-<1.77 mEq/l), and fourth (> or =1.77 mEq/1) quartiles of serum magnesium concentration with the lowest quartile were 0.79 (95% CI: 0.58-1.08), 0.66 (95% CI: 0.47-0.93), 0.69 (95% CI: 0.52-0.90), respectively. For all-cause mortality, hazards ratios were 0.82 (95% CI: 0.72-0.93), 0.84 (95% CI: 0.73-0.96), 0.85 (95% CI: 0.75-0.95). No significant interactions between serum magnesium concentration and age, sex, race, and education were observed. CONCLUSION: Serum magnesium concentrations were inversely associated with mortality from IHD and all-cause mortality.  相似文献   
118.
The publication of the national service framework for mental health provides a good opportunity to review acute psychiatric services, which are unpopular with patients and understaffed. The framework recommends a balance of hospital beds, community provision and home care. Planning should usually cover one or more primary care groups.  相似文献   
119.
The relaxant effect of adenosine and 5'-(N-ethylcarboxamido)adenosine (NECA) against alpha-adrenoceptor-mediated contractile tone in guinea-pig isolated aortic rings has been examined to determine if this A2B-receptor-mediated relaxation was dependent upon the contracting agent, and whether the contractions were dependent upon intracellular or extracellular calcium. Relaxation responses were consistently greater for aortic rings pre-contracted with phenylephrine (3x10(-6) M) than for rings pre-contracted with noradrenaline (3x10(-6) M). Maximum inhibition by NECA was significantly greater for phenylephrine-contracted aortae than for noradrenaline-contracted (81.9+/-2.8% compared with 25.0+/-1.5%). These differences persisted in the presence of beta- and alpha2-adrenoceptor blockade and could not, therefore, be attributed to stimulation of these receptors by noradrenaline. The ratio of the contractions obtained before and in the presence of adenosine or NECA was compared with the control ratio obtained before and after vehicle. Experiments were performed both in the presence of normal calcium levels and under calcium-free conditions. In normal-calcium medium, NECA inhibited phenylephrine-induced contractions (test ratio, 76.7+/-3.9%; control ratio, 133.1+/-9.8%) to a greater extent than noradrenaline-induced contractions (108.4+/-4.1 and 123.4+/-4.9%); adenosine similarly inhibited phenylephrine-induced contractions more than those induced by noradrenaline. Under calcium-free conditions, adenosine (36.7+/-11.9 and 110.7+/-26.6%) and NECA (55.2+/-9.1 and 87.1+/-14.9%) were only effective against phenylephrine-induced contractions. This suggests that activation of the A2B-receptor by these agonists inhibited intracellular mobilization of calcium for phenylephrine-induced contractions only. The effects on extracellular calcium influx were examined for phenylephrine- and noradrenaline-induced contractions in normal-calcium medium but in the presence of ryanodine to prevent intracellular calcium mobilization. NECA inhibited phenylephrine-induced contractions (77.3+/-12.4 and 111.4+/-9.3%), presumably by interfering with influx of calcium through receptor-operated calcium channels. In contrast, NECA failed to reduce noradrenaline-induced contractions (121.5+/-10.7 and 122.4+/-11.6%), suggesting that the effect on noradrenaline is predominantly via interaction with intracellular calcium. Adenosine was consistently a more effective relaxant than NECA, possibly because of an additional intracellular component of the response. We conclude that adenosine receptor agonists inhibit phenylephrine-induced contractions of guinea-pig aorta more selectively than noradrenaline-induced contractions. A2B-receptor stimulation might reveal a fundamental difference between the modes of contraction elicited by these two alpha-adrenoceptor agonists.  相似文献   
120.
OBJECTIVES: To study the relationship between presence or absence of ischaemicevents on Holter monitoring and occurrence of a hard or hard+softendpoint. DESIGN: A randomized double-blind parallel group study of atenolol,nifedipine and their combination, with ambulatory monitoringoff-treatment and after 6 weeks of randomized treatment andprospective follow-up of 2 years on average. SETTING: Europe. SUBJECTS: 682 men and women with a diagnosis of chronic stable anginaand who were not being considered for surgery. MAIN OUTCOME: Hard endpoints were cardiac death, nonfatal myocardial infarctionand unstable angina; soft endpoints were coronary artery bypasssurgery, coronary angioplasty and treatment failure. RESULTS: The study showed no evidence of an association between the presence,frequency or total duration of ischaemic events on Holter monitoring,either on or off treatment, and the main outcome measures. Therewas a non-significant trend to a lower rate of hard endpointsin the group receiving combination therapy. Compliance, as measuredby withdrawal from trial medication, was clearly poorest inthe nifedipine group with similar with drawal rates in the atenololand combination therapy groups. CONCLUSION: The recording of ischaemic events in 48 h Holter monitoringfailed to predict hard or hard+soft endpoints in patients withchronic stable angina.  相似文献   
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