97,826 papers found

PURPOSE: To compare immediate and 5 years postoperatively visual acuity (VA), after uncomplicated cataract surgery and emphasizing the main causes of visual acuity loss. MATERIAL AND METHODS: This is a retrospective study that included 475 eyes that underwent uncomplicated cataract surgery between 2003-2007 by the sam…

STUDY OBJECTIVE: The aim was to investigate the relationship between oral contraceptives, non-contraceptive oestrogens, and the risk of gallstone disease requiring surgery. DESIGN: This was a hospital based case-control study carried out between 1987 and 1990. Main outcome measures were frequency of consumption of ora…

UNLABELLED: The evolution of serological tests for syphilis (STSs) after therapy in HIV+ patients is a major point of controversy, with possible seroreactivation and illicit seroreversion in these patients. The aim of our study was to evaluate the long-term outcome of STSs in a cohort of HIV+ male homosexuals with a hi…

Background. Proximal femur defects resulting from tumor resections can be repaired with various types of hip endoprostheses. Major surgical procedures involving muscle detachments and extensive endoprosthesis implantation are prone to deep infections and the hip instability. The purpose of our study was to assess the o…

Imprisoned women are at increased risk of cervical cancer but less likely to have been screened for this disease. There is very little information on the situation in prisons in the UK but this study indicates that, as anticipated, these women are less likely to have been screened in the last five years than women gene…

The six major research advances in metabolic and hormonal controls of food intake that have altered the direction or have broadened the scope of the field in the last 25 years are discussed. The advances selected are: (1) GI processes and meal termination-the CCK pathway; (2) Brain insulin hypothesis; (3) Glucose-depen…

BACKGROUND: Concerns have been expressed with regard to suitability for cochlear implantation of children deafened by cytomegalovirus because of possible coexisting central disorders/learning difficulties. The aim of the current study was to assess speech perception and intelligibility of speech produced by children de…

The author reviewed pathologic features of 37 cases of malignant lymphoma in the gastrointestinal organs in the last 10 years in our pathology laboratory. The current WHO classification was adopted. The 37 cases consisted of 20 males and 17 female, and the age ranged from 46 to 89 years with a median of 69 years. Of th…

The objective of the present study was to investigate the most critical issues associated with the limited genetic progress evidenced in the Argentinean Holstein ("Holando Argentino") breed in the last 20 years (only 26% of the phenotypic trend in milk yield was due to genetics). The study comprised the analysis…

In the last 20 years, the prevalence of peripheral artery disease has increased by 72%, with affected patients facing a 5% to 10% risk at 5 years of developing chronic limb-threatening ischemia. Approximately 20% of patients with limb-threatening ischemia have no revascularization options and may face amputation. Venou…

Risk stratification after an acute myocardial infarction suffered a remarkable evolution in the last few years. These improvements were mainly related to the development of reperfusion strategies that changed radically the way we managed acute myocardial infarction. Risk stratification in the reperfusion era occurs in…

OBJECTIVE: To establish the relationship between the use of acetaminophen and the frequency of asthma in Mexican children in 3 Mexican cities. METHODS: Ours was a multicenter, observational, descriptive, cross-sectional study. Patients from 6 to 7 years of age participating in Phase Three B of the ISAAC (International…

CONTEXT: Analysis of predictors of cardiac events in hereditary long-QT syndrome (LQTS) has primarily considered syncope as the predominant end point. Risk factors specific for aborted cardiac arrest and sudden cardiac death have not been investigated. OBJECTIVE: To identify risk factors associated with aborted cardia…

BACKGROUND: The burden of paediatric HIV in South Africa has shifted to older children and adolescents. Nevertheless, information on long-term treatment outcomes of perinatally HIV-infected (PHIV) children is limited. OBJECTIVES: To examine long-term immunological and virological outcomes of children who were in care…

The palynogical data of two sites from northeastern Fram Strait (MSM5/5-712 and PS2863) encompassing the last 23,000 years are presented here. The data set first includes the palynomorph concentrations: dinocysts (cysts/g) and their fluxes (cysts/cm/yr) as well as pollen grains, spores, organic linings,, reworked palyn…

This review examines the concentration of seven major cannabinoids, including Δ-tetrahydrocannabinol (THC) and cannabidiol (CBD), in illicit herbal cannabis products seized by the Drug Enforcement Administration (DEA) over the last 10 years in the United States. Cannabis samples received from DEA regional laborat…