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10.2214/AJR.14.14135 http://scihub22266oqcxt.onion/10.2214/AJR.14.14135 C5384467!5384467!26397332     free     free     free Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 261.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       AJR+Am+J+Roentgenol 2015 ; 205 (4): 827-33 Nephropedia Template TP {{tp|p=26397332|t=2015. Calculation of organ doses for a large number of patients undergoing computed tomography examinations |pdf=|usr=}}{{26397332}} gab.com Text Calculation of organ doses for a large number of patients undergoing computed tomography examinations JO: AJR Am J Roentgenol http://www.kidney.de/pget.php?&tw=1&pmid=26397332 #FOAvip Purpose: To develop and demonstrate an automated calculation method to provide organ dose assessment for a large cohort of pediatric and adult patients undergoing CT examinations. Methods: We adopted two dose libraries that were previously published: the CTDIvol-normalized organ dose library and the mAs-normalized CTDIw library. We developed an algorithm to calculate organ doses using the two dose libraries and CT scan parameters available from DICOM data. To demonstrate the established method, we calculated organ doses for pediatric (n=2499) and adult (n=2043) CT scans randomly selected from four health care systems in the United States, and compared the adult organ doses with the values calculated from the ImPACT calculator. Results: Median brain dose was 20 mGy (pediatric) and 24 mGy (adult), and brain dose was greater than 40 mGy for 11% (pediatric) and 18% (adult) of head scans. Both the NCI and the ImPACT methods provided similar organ doses (median discrepancy < 20%) for all organs except for the organs located close to scan boundaries. The visual comparisons of scan coverage and phantom anatomies revealed that the NCI method based realistic computational phantoms provides more realistic organ doses compared to the ImPACT method. Conclusion: The automated organ dose calculation method developed in this study reduces the time needed to calculate doses on a large number of patients. We have successfully utilized this method for a variety of CT-related studies including retrospective epidemiological study and CT dose trend analysis studies. Twit Text FOAVip Calculation of organ doses for a large number of patients undergoing computed tomography examinations ????AJR Am J Roentgenol http://www.kidney.de/pget.php?&tw=1&pmid=26397332 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26397332 #FOAvip English Wikipedia <ref>{{Cite pmid|26397332}}</ref> Calculation of organ doses for a large number of patients undergoing computed tomography examinations #MMPMID26397332 Bahadori A; Miglioretti D; Kruger R; Flynn M; Weinmann S; Smith-Bindman R; Lee C AJR Am J Roentgenol 2015[Oct]; 205 (4): 827-33 PMID26397332show ga Purpose: To develop and demonstrate an automated calculation method to provide organ dose assessment for a large cohort of pediatric and adult patients undergoing CT examinations. Methods: We adopted two dose libraries that were previously published: the CTDIvol-normalized organ dose library and the mAs-normalized CTDIw library. We developed an algorithm to calculate organ doses using the two dose libraries and CT scan parameters available from DICOM data. To demonstrate the established method, we calculated organ doses for pediatric (n=2499) and adult (n=2043) CT scans randomly selected from four health care systems in the United States, and compared the adult organ doses with the values calculated from the ImPACT calculator. Results: Median brain dose was 20 mGy (pediatric) and 24 mGy (adult), and brain dose was greater than 40 mGy for 11% (pediatric) and 18% (adult) of head scans. Both the NCI and the ImPACT methods provided similar organ doses (median discrepancy < 20%) for all organs except for the organs located close to scan boundaries. The visual comparisons of scan coverage and phantom anatomies revealed that the NCI method based realistic computational phantoms provides more realistic organ doses compared to the ImPACT method. Conclusion: The automated organ dose calculation method developed in this study reduces the time needed to calculate doses on a large number of patients. We have successfully utilized this method for a variety of CT-related studies including retrospective epidemiological study and CT dose trend analysis studies. äCalculation of organ doses for a large number of patients undergoing c(epmc).pdf DeepDyve Pubget Overpricing