4,999,787 papers found

BACKGROUND: The management choice for newly diagnosed localized prostate cancer presents a challenge to both the physician and the patient. Traditionally, surgery and radiation therapy have been the most commonly recommended options. More recently, active surveillance is recommended as the preferred management choice f…

Acute necrotizing encephalopathy of childhood is a novel type of parainfectious encephalopathy with a racial and geographic predilection, rarely reported from other than East Asian areas. The objective was to describe the clinical, imaging, and other laboratory findings of non-Asian patients with acute necrotizing ence…

Familial cases of intracranial ependymomas have been well documented in the literature. The authors present two cases from a family in which three members harbored intracranial ependymomas. A 54-year-old man with fourth ventricular ependymoma underwent resection of the tumor followed by radiation therapy. His son prese…

Research review has long been one of the most important scholarly activities in all branches of science. While there is sometimes a single study so well-designed, well carried out, and difficult to replicate that its findings are accepted as conclusive, more often there are many studies on a given topic, no one of whic…

BACKGROUND: Non-prescription (over-the-counter, or OTC) analgesics (painkillers) are used frequently. They are available in various brands, package sizes, formulations, and dose. They can be used for a range of different types of pain, but this overview reports on how well they work for acute pain (pain of short durati…

Hospital accreditation is an established quality improvement intervention. Despite a growing body of research, the evidence of effect remains contested. This umbrella review synthesizes reviews that examine the impacts of hospital accreditation with regard to health-care quality, highlighting research trends and knowle…

To examine the extent to which a consensus exists in the scientific community regarding the relationship between exposure to paraquat and Parkinson's disease, a critical review of reviews was undertaken focusing on reviews published between 2006 and the present that offered opinions on the issue of causation. Systemati…

OBJECTIVES: To apply the ROBIS tool for assessment of risk of bias (RoB) in systematic reviews (SRs) in a meta-review on effective doses (EDs) in dental and maxillofacial cone beam CT. METHODS: Three electronic databases and reference lists of included SRs were searched. Eligible SRs were classified as having low, hig…

AIMS: To demonstrate a novel method for presenting and exploring data in systematic reviews of the alcohol literature. METHODS: Harvest plots are a graphical method for displaying data on the overall pattern of evidence from a systematic review. They can display the direction of effects and risk of bias within studies…

In this review, right ventricular (RV), right atrial (RA), and left atrial (LA) strain in some selected clinical situations has been discussed in light of the current literature. To exemplify the significance of the use of multichamber strain, we have provided some illustrations of common cardiac problems. The recently…

BACKGROUND: Primary small cell carcinoma of the pancreas (SCCP) is a rare malignancy with an extremely poor prognosis which accounts for 1 to 1.4 percent of all pancreatic malignancies. CASE PRESENTATION: We present the case of a 62-year-old man with a half-month history of upper abdominal discomfort who was diagnosed…

OBJECTIVE: To determine how well the previously validated broad and narrow Clinical Queries for treatment, diagnosis, prognosis, and etiology studies, retrieve not only primary studies but also relevant systematic reviews. STUDY DESIGN AND SETTING: Using the Clinical Hedges Database housed at McMaster University, we t…

AIMS: To introduce a synthesised technique for using grounded theory in nursing research. BACKGROUND: Nursing increasingly uses grounded theory for a broadened perspective on nursing practice and research. Nurse researchers have choices in how to choose and use grounded theory as a research method. These choices come…

Risk assessment of developmental toxicants is almost exclusively based on single chemicals studied in animals under controlled experimental conditions, as to reduce stress. Although humans may be exposed simultaneously to numerous hazards, little is known about the interaction of prenatal chemical exposures with other…

INTRODUCTION: Several studies indicate that regular physical activity can reduce systolic and diastolic blood pressure, improve endothelial function, and enhance overall cardiovascular fitness in postmenopausal women. To gain a deeper understanding, we conducted a narrative review of systematic reviews to assess the im…

CONTEXT: Low fruit and vegetable intakes are major modifiable determinants of disease. One hundred percent juice may facilitate intake and deliver essential nutrients and bioactive compounds. However, the position of 100% juice in healthy eating guidelines remains controversial due to its lower dietary fiber and higher…

Pre-exposure prophylaxis (PrEP) is an effective biomedical strategy for HIV prevention. This umbrella review is aimed at providing a comprehensive summary of the current status of each stage of the PrEP care cascade. A systematic literature search was conducted in PubMed, Embase, and Cochrane. Additionally, a Measureme…

OBJECTIVE: The main aim of this study was to assess through systematic review the efficacy of exercise and manual therapy (MT) interventions in individuals with primary headache. METHODS: In this umbrella review, 2 authors reviewed systematic reviews by searching the Cochrane Database of Systematic Reviews, MEDLINE, P…

PURPOSE: To evaluate and summarize published evidence from systematic reviews examining medication reconciliation. METHODS: MEDLINE, the Cochrane Database of Systematic Reviews, and the Database of Abstracts of Reviews of Effects were searched for English-language systematic reviews published from January 2004 to Marc…