Radiation Induced Cardiopulmonary Injury in Humans
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The purpose of the study is to assess the time, dose dependence, and fraction-size dependence of radiation (RT)-induced changes in regional lung and heart perfusion/function/structure following thoracic RT delivered using newer IMRT/conformal/radiosurgery techniques. The PI hopes to develop models to better relate and predict RT-induced changes in regional lung and heart perfusion/function/structure with changes in global cardiopulmonary function. Patients will undergo pre- and serial post-RT lung and heart assessments to better understand RT-induced regional heart/lung changes.
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Ages Eligible for Study:
18 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients who are to receive 3D-planned RT for lung cancer (conformal or IMRT) or other tumors in/around the thorax.
Age ≥ 18 years
Patients who are to receive 3D-planned RT for tumor within and around the thorax.
Patients receiving incidental RT to portions of the heart are eligible.
Estimated minimum expected life expectancy of one year
Able to undergo the required study-related tests for regional lung injury and regional heart injury
Patients of child bearing potential age must have a negative pregnancy test and must agree to use appropriate birth control measures while in the study.
Patients must be able to give informed consent. Informed consent will be obtained prior to enrollment.
Patients who are anticipated to have thoracic surgery post-RT are ineligible.
Patients with large mediastinal/hilar tumors compressing the airways/vessels, and negatively impacting on cardiovascular function