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Yale Medicine Thesis Digital Library

Humans

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The Uses Of Rickets: Race, Technology, And The Politics Of Preventive Medicine In The Early Twentieth Century, M. Allison Arwady Jan 2008

The Uses Of Rickets: Race, Technology, And The Politics Of Preventive Medicine In The Early Twentieth Century, M. Allison Arwady

Yale Medicine Thesis Digital Library

Rickets, the bone disease classically caused by Vitamin D deficiency, was one of the most common diseases of children 100 years ago. It has been recognized as a disease of urban living and linked to issues of race and culture for generations. This paper uses unpublished patient records from 1904 to 1909 and archival and published materials from multiple community-based trials, including the New Haven Rickets Study (1923-1926), to explore how the definition, diagnosis, and treatment of rickets shifted in the first decades of the twentieth century in the United States. Before 1910, as evidenced by patient records, neither the …


Community Based Epidemiological Study Of Chagas Disease In Rural Peru, Paul Walker Jan 2008

Community Based Epidemiological Study Of Chagas Disease In Rural Peru, Paul Walker

Yale Medicine Thesis Digital Library

The purpose of this study was to evaluate the epidemiology of Trypanosoma cruzi infection, to valuate the TESA blot, and to characterize cardiac findings of patients with Chagas disease in a rural setting near Arequipa, Peru. The study site was the town of Quequeña, Peru with a population of 774 with 236 inhabitants under the age of 18 according to the 2005 census conducted by Peru. A fumigation/insect collection campaign was done in December of 2006 to quantify household infestation levels, document housing characteristics, and GPS household locations. Of the 602 people surveyed to be living in Quequeña, blood samples …


The Effect Of Teleradiology On Interpretation Times For Ct Pulmonary Angiography Studies, Scott Thomas Olcott Kennedy Jan 2008

The Effect Of Teleradiology On Interpretation Times For Ct Pulmonary Angiography Studies, Scott Thomas Olcott Kennedy

Yale Medicine Thesis Digital Library

The purpose of this study was to evaluate the impact of a teleradiology service on the timely interpretation of computed tomography (CT) pulmonary angiography studies. A survey of clinical and imaging physicians was performed to develop achievable goals for interpretation of CT pulmonary angiography studies. Percentages of studies given preliminary written reports within these thresholds were compared for 1,102 pulmonary angiography CT studies from three months before teleradiology was implemented to three months after. Identical control data were matched over the same periods for 1,638 CT brain studies. Data are reported as averages and percentages. Statistical significance was evaluated with …