Yolanda Barrón

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PURPOSE To determine the prevalence of glaucoma in an adult population in rural central Tanzania. METHODS Six villages were randomly selected from eligible villages in the Kongwa district, and all residents more than 40 years of age were enumerated and invited to a comprehensive eye examination including presenting visual acuity, refraction, automated(More)
OBJECT Surgery on the pituitary gland is increasingly being performed through an endoscopic approach. However, there is little published data on its safety and relative advantages over traditional microscope-based approaches. Published reports are limited by small sample size and nonrandomized study design. A meta-analysis allows for a description of the(More)
In order to characterize consumer support for electronic health information exchange (HIE) and personal health records (PHRs) in a community where HIE is underway, we conducted a survey of English speaking adults who visited primary care practices participating in a regional community-wide clinical data exchange, during August, 2008. Amongst the 117(More)
Through a novel, ambitious program called HEAL NY, New York State plans to invest $250 million in health information technology (IT) that can be linked electronically to other health IT systems. In contrast to high rates of closure by other organizations attempting health information exchange (HIE), 100 percent of HEAL NY Phase 1 grantees still existed two(More)
OBJECTIVE To determine eye care utilization patterns among older Americans, particularly characterizing those who sought different types of providers, and the predictive factors for seeking eye care services in general and among those with diabetes and those with visual loss. DESIGN AND PARTICIPANTS The SEE Project, a population-based survey of 2520(More)
PURPOSE To investigate the ability of three diagnostic tests: frequency-doubling technology (FDT), scanning laser polarimetry (GDx), and nerve fiber layer (NFL) photographs to distinguish normal from glaucomatous eyes. METHODS Data were obtained in a cross-sectional, hospital clinic-based study, including one eye from each of 253 persons older than 40(More)
OBJECTIVE To describe the reported usual dietary intakes of the participants in the Salisbury Eye Evaluation (SEE) project and to estimate the prevalence of inadequate nutrient intakes using the probability approach. SUBJECTS/SETTING A representative sample of elderly residents (aged 65 to 85 years) of Salisbury, Md. DESIGN Cross-sectional survey, using(More)
BACKGROUND The prognostic value of CD4+ cell counts and HIV-1 RNA levels attained after the initiation of highly active antiretroviral therapy (HAART) compared with before the initiation of HAART has not been well defined. OBJECTIVE To determine the prognostic value for clinical outcomes of CD4+ cell counts and HIV-1 RNA levels attained after initiating(More)
BACKGROUND Electronic health records (EHRs), in combination with health information exchange, are being promoted in the United States as a strategy for improving quality of care. No single metric set exists for measuring the effectiveness of these interventions. A set of quality metrics was sought that could be retrieved electronically and would be(More)
OBJECTIVE Refinement of endoscopic pituitary surgery requires an understanding of the impact of demographic and surgical variables on outcomes. METHODS Multivariate logistic regression and ANOVA models were used to explore variables for association with outcomes in a consecutive series of 57 patients undergoing endoscopic pituitary surgery. RESULTS The(More)