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American Journal of Oral Medicine and Radiology

Volume 5, Issue 2, 2018
Mcmed International
American Journal of Oral Medicine and Radiology
Issn
XXX-XXXX (Print), 2394 - 7721 (Online)
Frequency
bi-annual
Email
editorajomr@mcmed.us
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Abstract
Title
LONG-TERM EVALUATION OF RADIATION EXPOSURE IN PULMONARY CT ANGIOGRAPHY FOR SUSPECTED PULMONARY EMBOLISMS: A RETROSPECTIVE STUDY
Author
Dr Abhijith Kumar, Dr Sahiti
Email
Abhijith@gmail.com
keyword
Pulmonary CT Angiography, Radiation Exposure, Suspected Pulmonary Embolism, Retrospective Analysis
Abstract
An evaluation of the total exposure to radiation from pulmonary CT angiography for suspected pulmonary embolisms (PE) over the course of a was carried out in this study. We retrospectively reviewed 300 patients with suspected PE who presented to the emergency department and received pulmonary CTA scans. Our study evaluated patients' electronic medical records over the following four years to determine how much radiation exposure they received after CT scans. Based on DLP to E conversion coefficients, we calculated cumulative effective radiation doses. This is what we found. An analysis of 900 CT scans was conducted in this study. The cumulative medical radiation dose delivered to subjects over the course of a four-year study is estimated to be approximately 65%. There was only a 6.3% incidence of acute PEs in the radiology report. CTA in the lungs accounted for the majority of radiation doses associated with medical conditions over the last four years. Only a minority of subjects with acute PE will show positive findings on imaging, so clinically assessing pretest probability before imaging is imperative
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