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Grant Details

Grant Number: 1R03CA256263-01 Interpret this number
Primary Investigator: Kirchhoff, Anne
Organization: University Of Utah
Project Title: Identifying the Role of Short-Term Fine Particulate Matter Air Pollution in the Heart and Lung Health Outcomes of Adolescent and Young Adult Cancer Survivors
Fiscal Year: 2021


Abstract

PROJECT SUMMARY ABSTRACT Cardiovascular (CV) and respiratory toxicity from cancer treatments are a major causes of morbidity among adolescent and young adult (AYA) cancer survivors. This toxicity may reduce a survivor’s ability to neutralize the added physiologic stress from short-term air pollution exposure, leading to a higher risk for cardiovascular and respiratory problems. However, the health effects of exposure to air pollution on AYA cancer survivors are largely unknown. To fill this knowledge gap, we will examine how fine particulate matter (PM2.5) is associated with CV and respiratory health events among survivors diagnosed with the five most common AYA cancers in the state of Utah (thyroid, melanoma, breast, lymphoma, testicular) between 1997 and 2016 (N=9,382). We will employ a case-crossover design nested in this preexisting cohort to examine the effects of short-term PM2.5 on the risk for cardiovascular and respiratory health events defined from statewide hospital discharge and emergency department data, and outpatient records from Utah’s two largest health systems serving >85% of Utah. Using data from the Utah Population Database, we can measure residential PM2.5 exposure at the address level for our sample. We will: 1) Investigate the association between short-term PM2.5 and CV and respiratory health events among AYA cancer survivors, and compare survivors’ risk of PM2.5-associated health events to a cancer-free sample, and 2) Determine whether treatments with known toxicities modify the association between short-term PM2.5 and CV and respiratory health events among AYA cancer survivors. We will identify temporal trends in these associations among survivors from diagnosis to the end of follow-up. Subgroups of survivors will be investigated to determine differences by smoking, race/ethnicity, and other relevant factors. Utah has severe PM2.5 pollution due to winter inversions and summer wildfires. Because of the pervasiveness of air pollution in United States and the lack of data on how environmental pollutants affect cancer survivors, this project represents a unique opportunity to determine whether air pollution is a risk factor for cardiovascular and respiratory health problems among AYA cancer survivors. Our study will provide a deep examination of cancer treatment, health care utilization, and PM2.5 exposure, and expand upon the established perspective of survivorship research by adding information the role air pollution on the risk for health events among cancer survivors.



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