Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard

Detalhes bibliográficos
Autor(a) principal: Cohen,Seth A.
Data de Publicação: 2013
Outros Autores: Rangarajan,Sriram S., Chen,Tony, Palazzi,Kerrin L., Langford,J. Scott, Sur,Roger L.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: International Braz J Urol (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382013000200209
Resumo: Introduction To date, there is a paucity of literature offering practicing urologists a reference for the amount of radiation exposure received while surgically managing urolithiasis. This study examines the cumulative radiation exposure of an urologist over 9 months. Materials and Methods We present a case series of fluoroscopic exposures of an experienced stone surgeon operating at an academic comprehensive stone center between April and December 2011. Radiation exposure measurements were determined by a thermoluminescent dosimeter worn on the outside of the surgeon's thyroid shield. Estimations of radiation exposure (mrem) per month were charted with fluoroscopy times, using scatter plots to estimate Spearman's rank correlation coefficients. Results The total 9-month radiation exposure was 87 mrems for deep dose equivalent (DDE), 293 mrem for lens dose equivalent (LDE), and 282 mrem for shallow dose equivalent (SDE). Total fluoroscopy time was 252.44 minutes for 64 ureteroscopies (URSs), 29 percutaneous nephrolithtomies (PNLs), 20 cystoscopies with ureteral stent placements, 9 shock wave lithotripsies (SWLs), 9 retrograde pyelograms (RPGs), 2 endoureterotomies, and 1 ureteral balloon dilation. Spearman's rank correlation coefficients examining the association between fluoroscopy time and radiation exposure were not significant for DDE (p = 0.6, Spearman's rho = 0.2), LDE (p = 0.6, Spearman's rho = 0.2), or SDE (p = 0.6, Spearman's rho = 0.2). Conclusions Over a 9-month period, total radiation exposures were well below annual accepted limits (DDE 5000 mrem, LDE 15,000 mrem and SDE 50,000 mrem). Although fluoroscopy time did not correlate with radiation exposure, future prospective studies can account for co-variates such as patient obesity and urologist distance from radiation source.
id SBU-1_630bb0faa81d13b12b6f95b43798cfc2
oai_identifier_str oai:scielo:S1677-55382013000200209
network_acronym_str SBU-1
network_name_str International Braz J Urol (Online)
repository_id_str
spelling Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference StandardUrolithiasisNephrolithiasisKidney CalculiRadiation InjuriesUrologic Surgical ProceduresNeoplasms Introduction To date, there is a paucity of literature offering practicing urologists a reference for the amount of radiation exposure received while surgically managing urolithiasis. This study examines the cumulative radiation exposure of an urologist over 9 months. Materials and Methods We present a case series of fluoroscopic exposures of an experienced stone surgeon operating at an academic comprehensive stone center between April and December 2011. Radiation exposure measurements were determined by a thermoluminescent dosimeter worn on the outside of the surgeon's thyroid shield. Estimations of radiation exposure (mrem) per month were charted with fluoroscopy times, using scatter plots to estimate Spearman's rank correlation coefficients. Results The total 9-month radiation exposure was 87 mrems for deep dose equivalent (DDE), 293 mrem for lens dose equivalent (LDE), and 282 mrem for shallow dose equivalent (SDE). Total fluoroscopy time was 252.44 minutes for 64 ureteroscopies (URSs), 29 percutaneous nephrolithtomies (PNLs), 20 cystoscopies with ureteral stent placements, 9 shock wave lithotripsies (SWLs), 9 retrograde pyelograms (RPGs), 2 endoureterotomies, and 1 ureteral balloon dilation. Spearman's rank correlation coefficients examining the association between fluoroscopy time and radiation exposure were not significant for DDE (p = 0.6, Spearman's rho = 0.2), LDE (p = 0.6, Spearman's rho = 0.2), or SDE (p = 0.6, Spearman's rho = 0.2). Conclusions Over a 9-month period, total radiation exposures were well below annual accepted limits (DDE 5000 mrem, LDE 15,000 mrem and SDE 50,000 mrem). Although fluoroscopy time did not correlate with radiation exposure, future prospective studies can account for co-variates such as patient obesity and urologist distance from radiation source. Sociedade Brasileira de Urologia2013-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382013000200209International braz j urol v.39 n.2 2013reponame:International Braz J Urol (Online)instname:Sociedade Brasileira de Urologia (SBU)instacron:SBU10.1590/S1677-5538.IBJU.2013.02.09info:eu-repo/semantics/openAccessCohen,Seth A.Rangarajan,Sriram S.Chen,TonyPalazzi,Kerrin L.Langford,J. ScottSur,Roger L.eng2013-08-22T00:00:00Zoai:scielo:S1677-55382013000200209Revistahttp://www.brazjurol.com.br/ONGhttps://old.scielo.br/oai/scielo-oai.php||brazjurol@brazjurol.com.br1677-61191677-5538opendoar:2013-08-22T00:00International Braz J Urol (Online) - Sociedade Brasileira de Urologia (SBU)false
dc.title.none.fl_str_mv Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
title Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
spellingShingle Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
Cohen,Seth A.
Urolithiasis
Nephrolithiasis
Kidney Calculi
Radiation Injuries
Urologic Surgical Procedures
Neoplasms
title_short Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
title_full Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
title_fullStr Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
title_full_unstemmed Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
title_sort Occupational Hazard: Radiation Exposure for the Urologist Developing a Reference Standard
author Cohen,Seth A.
author_facet Cohen,Seth A.
Rangarajan,Sriram S.
Chen,Tony
Palazzi,Kerrin L.
Langford,J. Scott
Sur,Roger L.
author_role author
author2 Rangarajan,Sriram S.
Chen,Tony
Palazzi,Kerrin L.
Langford,J. Scott
Sur,Roger L.
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Cohen,Seth A.
Rangarajan,Sriram S.
Chen,Tony
Palazzi,Kerrin L.
Langford,J. Scott
Sur,Roger L.
dc.subject.por.fl_str_mv Urolithiasis
Nephrolithiasis
Kidney Calculi
Radiation Injuries
Urologic Surgical Procedures
Neoplasms
topic Urolithiasis
Nephrolithiasis
Kidney Calculi
Radiation Injuries
Urologic Surgical Procedures
Neoplasms
description Introduction To date, there is a paucity of literature offering practicing urologists a reference for the amount of radiation exposure received while surgically managing urolithiasis. This study examines the cumulative radiation exposure of an urologist over 9 months. Materials and Methods We present a case series of fluoroscopic exposures of an experienced stone surgeon operating at an academic comprehensive stone center between April and December 2011. Radiation exposure measurements were determined by a thermoluminescent dosimeter worn on the outside of the surgeon's thyroid shield. Estimations of radiation exposure (mrem) per month were charted with fluoroscopy times, using scatter plots to estimate Spearman's rank correlation coefficients. Results The total 9-month radiation exposure was 87 mrems for deep dose equivalent (DDE), 293 mrem for lens dose equivalent (LDE), and 282 mrem for shallow dose equivalent (SDE). Total fluoroscopy time was 252.44 minutes for 64 ureteroscopies (URSs), 29 percutaneous nephrolithtomies (PNLs), 20 cystoscopies with ureteral stent placements, 9 shock wave lithotripsies (SWLs), 9 retrograde pyelograms (RPGs), 2 endoureterotomies, and 1 ureteral balloon dilation. Spearman's rank correlation coefficients examining the association between fluoroscopy time and radiation exposure were not significant for DDE (p = 0.6, Spearman's rho = 0.2), LDE (p = 0.6, Spearman's rho = 0.2), or SDE (p = 0.6, Spearman's rho = 0.2). Conclusions Over a 9-month period, total radiation exposures were well below annual accepted limits (DDE 5000 mrem, LDE 15,000 mrem and SDE 50,000 mrem). Although fluoroscopy time did not correlate with radiation exposure, future prospective studies can account for co-variates such as patient obesity and urologist distance from radiation source.
publishDate 2013
dc.date.none.fl_str_mv 2013-04-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382013000200209
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1677-55382013000200209
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1677-5538.IBJU.2013.02.09
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Urologia
publisher.none.fl_str_mv Sociedade Brasileira de Urologia
dc.source.none.fl_str_mv International braz j urol v.39 n.2 2013
reponame:International Braz J Urol (Online)
instname:Sociedade Brasileira de Urologia (SBU)
instacron:SBU
instname_str Sociedade Brasileira de Urologia (SBU)
instacron_str SBU
institution SBU
reponame_str International Braz J Urol (Online)
collection International Braz J Urol (Online)
repository.name.fl_str_mv International Braz J Urol (Online) - Sociedade Brasileira de Urologia (SBU)
repository.mail.fl_str_mv ||brazjurol@brazjurol.com.br
_version_ 1750318073163808768