首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1731篇
  免费   242篇
  国内免费   4篇
耳鼻咽喉   12篇
儿科学   36篇
妇产科学   13篇
基础医学   37篇
口腔科学   9篇
临床医学   616篇
内科学   497篇
皮肤病学   4篇
神经病学   143篇
特种医学   49篇
外科学   126篇
综合类   57篇
预防医学   304篇
眼科学   17篇
药学   38篇
中国医学   14篇
肿瘤学   5篇
  2024年   6篇
  2023年   57篇
  2022年   44篇
  2021年   101篇
  2020年   97篇
  2019年   121篇
  2018年   103篇
  2017年   113篇
  2016年   102篇
  2015年   73篇
  2014年   129篇
  2013年   173篇
  2012年   69篇
  2011年   117篇
  2010年   78篇
  2009年   87篇
  2008年   84篇
  2007年   73篇
  2006年   63篇
  2005年   52篇
  2004年   46篇
  2003年   33篇
  2002年   27篇
  2001年   33篇
  2000年   20篇
  1999年   15篇
  1998年   14篇
  1997年   7篇
  1996年   9篇
  1995年   3篇
  1994年   2篇
  1993年   3篇
  1992年   3篇
  1990年   1篇
  1989年   4篇
  1988年   1篇
  1987年   1篇
  1986年   2篇
  1985年   3篇
  1983年   1篇
  1981年   1篇
  1979年   2篇
  1978年   1篇
  1975年   1篇
  1974年   1篇
  1970年   1篇
排序方式: 共有1977条查询结果,搜索用时 390 毫秒
991.
目的 了解养老机构睡眠障碍老人跌倒风险的影响因素。方法 采用便利抽样法,应用一般资料调查表、Morse跌倒评估量表、死亡焦虑量表和Kolcaba舒适状况量表对河北省7所养老机构内60岁及以上的睡眠障碍老人进行调查。结果 445例养老机构睡眠障碍老人中,高跌倒风险者为220例(49.4%)。Logistic回归分析结果显示,高舒适状况、不使用助行器和无下肢疾病是养老机构睡眠障碍老人跌倒风险的保护因素(P<0.05),使用助眠药和高死亡焦虑是养老机构睡眠障碍老人跌倒风险的危险因素(P<0.05)。结论 养老机构睡眠障碍老人跌倒风险较高,护理人员可采用积极沟通、心理疏导、健康知识宣教等方式降低跌倒风险,预防跌倒发生。  相似文献   
992.
Maintaining patient safety in acute hospitals is a global health challenge. Traditionally, patient safety measures have been concentrated on critical care and surgical patients. In this review the medical literature was reviewed over the last ten years on aspects of patient safety specifically related to patients with dementia. Patients with dementia do badly in hospital with frequent adverse events resulting in the geriatric syndromes of falls, delirium and loss of function with increased length of stay and increased mortality. Contributory factors include inadequate assessment and treatment, inappropriate intervention, discrimination, low staff levels and lack of staff training. Unfortunately there is no one simple solution to this problem, but what is needed is a multifactorial, multilevel approach at the seven levels of care – patient, task, staff, team, environment, organisation and institution.Improving safety and quality of care for patients with dementia in acute hospitals will benefit all patients and is an urgent priority for the NHS.  相似文献   
993.
SUMMARY

A visiting nurse association (VNA) and a college of pharmacy sought cost-effective models by which consultant pharmacy services could be offered at a rural branch office to improve medication management for high-risk patients. Through a collaborative relationship with the Albany College of Pharmacy, the Eddy VNA used the structure and support of the Partners in Care Foundation (The Model) Medication Management Model to simultaneously provide patient services and train Doctor of Pharmacy candidates. The Model brings the pharmacist into the homecare team to provide pharmaceutical care and can provide the framework by which pharmacist preceptors and interns can effectively provide services to high-risk patients identified through the agency's CQI process. Results from program implementation with 100 Medicaid waiver patients indicate positive staff response and an overall 43% acceptance rate with prescribers and suggest that this is a cost-effective medication management service with implications for adaptation by other HHAs.  相似文献   
994.

Objectives

Atrial fibrillation (AF) is common in older adults and associated with increased risk of cardiovascular events including thromboembolism. However, less is known about its association with noncardiovascular events, especially geriatric syndromes and conditions such as dementia, depression, impaired physical function, polypharmacy, falls, and poor quality of life. This review aims to help healthcare professionals integrate the special needs of older adults into their management of AF.

Design

Nonsystematic review. A literature search on published articles on AF and geriatric syndromes and conditions was performed using the electronic databases MEDLINE, EMBASE and SCOPUS, and DARE until December 2017. Non-English articles were excluded.

Settings and participants

Older adults with and without AF from different settings.

Measures

Various cognitive, mood, and functional measurements were used in these studies. In studies regarding polypharmacy, the Beers or PRISCUS criteria were used to identify inappropriate medications. In quality of life measurements studies, instruments like Medical Outcomes Study Short Form 36 and Atrial Fibrillation Quality of Life questionnaire were used.

Results

This literature review finds that AF has a substantial association with geriatric syndromes and conditions and that AF is a risk factor for the development of geriatric syndromes and conditions. Evidence is limited regarding the potential benefit of long-term treatment of AF in lowering the risk of developing geriatric syndromes and conditions.

Conclusions/Implications

Considering the impact of AF on cardiovascular outcomes and geriatric syndromes and conditions in older adults, healthcare professionals need to consider these complex dynamics while managing AF in older adults. An individual approach to AF management is needed in older adults with multiple comorbidity and polypharmacy that may help lower the risk of disease-disease, disease-drug, and drug-drug interactions. Special consideration needs to be given to patients' cognitive and functional impairment and ability to adhere to therapy.  相似文献   
995.

Objectives

A discrepancy in self-reported and performance-based physical functioning levels is often observed among older adults. We investigated the association of discrepancy in self-reported and performance-based physical functioning levels with risk of future falls among community-dwelling older adults.

Design

Prospective cohort study.

Setting

Two communities in Fukushima Prefecture, Japan.

Participants

1379 older adults who took part in the yearly health checkup in both 2009 and 2010.

Measures

The performance-based and self-reported physical functioning levels were evaluated by the Timed Up and Go test and the Short-Form 12 Health Survey (Japanese version) physical functioning subscale, respectively. We divided the participants into 4 groups based on the combinations of low or high performance-based and self-reported physical functioning groups, which were classified by age- and sex-specific reference values. The main outcome was the occurrence of any falls within the 1-year follow-up period, assessed using a self-reported questionnaire.

Results

A total of 22% of the participants reported the occurrence of a fall during the follow-up period. In multivariable logistic regression analysis, the adjusted odds ratios of the high self-reported and low performance-based, low self-reported and high performance-based, and low self-reported and low performance-based physical functioning groups were 1.10 (95% confidence interval [CI], 0.67–1.82), 1.76 (95% CI, 1.17–2.66), and 1.80 (95% CI, 1.11–2.90), respectively, compared with the high self-reported and high performance-based physical functioning group.

Conclusions

Our findings suggest that the discrepancy as high performance-based but low self-reported physical functioning level is associated with an increased risk of future falls in older adults aged 65–89 years. Clinicians should carefully assess older adults whose subjective perception of their physical functioning capacity is lower than those in similar age and sex groups, even if their actual physical functioning appears to be objectively high.  相似文献   
996.
FROM THE EDITOR     
No abstract available for this article.  相似文献   
997.
Falls are the major cause of accidents in the elderly. Falls result from the interaction of medical, psychosocial and age-related changes with environmental conditions. Since many of these factors are amenable to change, theoretically many falls are preventable. As part of a multi-method community fall prevention programme we developed a gait assessment method (ELGAM). We report here on the association between ELGAM parameters and measures of social and physical activity, tested among 36 elderly community-dwelling persons. Social and physical activity were associated with only some of the gait parameters (turning head while walking and walking speed). However, the findings about gait are consistent with other research based on larger samples, and some of the findings from intervention research. Together they suggest the importance of social and physical activity in fall prevention programmes.  相似文献   
998.
999.
ObjectivesTo describe potentially avoidable fall-related transfers to the emergency department (ED), and to identify infrastructure, training needs, and resources deemed appropriate for implementation in nursing homes (NHs) to decrease fall-related transfers to EDs.DesignA multi-method design, including (1) in-depth case review by an expert panel, (2) structured discussion with NH stakeholders, and (3) appropriateness rating.Setting and ParticipantsFall-related transfers were identified from the prospective reporting of every unplanned hospital transfer occurring within 21 months, collected during the INTERCARE study in 11 Swiss NHs.MethodsEighty-one fall-related transfers were rated for avoidability by a 2-round expert panel. NH stakeholders were consulted to discuss key implementable resources for NHs to mitigate potentially avoidable fall-related transfers. A questionnaire composed of 21 contextually adapted resources was sent to a larger group of stakeholders, to rate the appropriateness for implementation in NHs. χ2 tests were used to assess whether avoidability was associated with an ED visit and to describe transfers. The RAND/UCLA method for appropriateness was used to determine appropriate resources.ResultsOne of 4 fall-related transfers were rated as potentially avoidable. A positive association was found between an ED visit and a rating of avoidability (χ2 (1, N = 81) = 18.0, P < .001). Fourteen resources, including developing partnerships with outpatient clinics to access imaging services and strengthening geriatric expertise in nursing homes through clinical training and advanced nurse practitioners, were rated as appropriate by NH stakeholders for NH implementation to reduce potentially avoidable fall-related ED transfers.Conclusions and ImplicationsAccess to diagnostic equipment, geriatric expertise, and clinical training is essential to reduce fall-related potentially avoidable transfers from NHs. Implementing and supporting advanced practice nurses or nurses in extended roles provides NH directors, policymakers, and health care institutions with the possibility of re-engineering resources to limit unnecessary transfers, which are detrimental for resident quality of care and costly for the health system.  相似文献   
1000.
No abstract available for this article.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号