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A Randomized Trial Of Bilevel Positive Airway Pressure Device And High Flow Oxygen For Persistent Dyspnea In, David Hui Apr 2010

A Randomized Trial Of Bilevel Positive Airway Pressure Device And High Flow Oxygen For Persistent Dyspnea In, David Hui

Dissertations & Theses (Open Access)

Background: Dyspnea is a common and distressing symptom among patients with advanced cancer. The role of bilevel positive airway pressure (BIPAP) and Vapotherm in the relief of dyspnea have not been well defined. We aimed to determine and to compare the efficacy of BIPAP and VapoTherm for cancer related dyspnea.

Methods: In this randomized, open-label, crossover study, we randomly assigned advanced cancer patients with persistent dyspnea >=3/10 to either Vapotherm for 2 hours followed by BiPAP for 2 hours, or BiPAP followed by Vaptherm. A variable washout period was instituted between interventions. The primary end point was change in numeric …


Genetic And Environmental Factors Suggest That Dietary Fatty Acid Content, Lipid Metabolism, And Bone Properties Are Key Regulators Of Myeloid Progenitor Cell Frequency, Melinda E. Varney Jan 2010

Genetic And Environmental Factors Suggest That Dietary Fatty Acid Content, Lipid Metabolism, And Bone Properties Are Key Regulators Of Myeloid Progenitor Cell Frequency, Melinda E. Varney

Theses, Dissertations and Capstones

Acute myelogenous leukemia (AML) and its precursors are the result of the dysregulation of hematopoiesis. Hematopoiesis proceeds in a stepwise manner, beginning with hematopoietic stem cells, continuing to develop into various stages of progenitor cells, and finally becoming fully functional blood cells. As this process goes awry, immature, functionless cells of the myeloid lineage proliferate out of control. Discerning how myeloid progenitor frequency is regulated allows for a better understanding of how the process may lose control. Hematopoiesis has been shown to depend on genetic and environmental factors. In this work, I have added to this knowledge base by providing …