Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults

Abstract Background The advent of 3D navigation imaging has opened new borders to the endoscopic surgical approaches of naso-sinusal inflammatory and neoplastic disease. This technology has gained in popularity among otolaryngologists for endoscopic sinus and skull base surgeries in both adults and...

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Autores principales:	Noémie Villemure-Poliquin, Mario Chrétien, Jacques E. Leclerc
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Sinusitis Paediatric sinusitis Polyps Cystic fibrosis Nasosinusal tumors Sinus surgery Surgery RD1-811
Acceso en línea:	https://doaj.org/article/94e8ad6c74704fada094db238377e8de
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spelling	oai:doaj.org-article:94e8ad6c74704fada094db238377e8de2021-11-21T12:07:08ZNavigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults10.1186/s40463-021-00541-x1916-0216https://doaj.org/article/94e8ad6c74704fada094db238377e8de2021-11-01T00:00:00Zhttps://doi.org/10.1186/s40463-021-00541-xhttps://doaj.org/toc/1916-0216Abstract Background The advent of 3D navigation imaging has opened new borders to the endoscopic surgical approaches of naso-sinusal inflammatory and neoplastic disease. This technology has gained in popularity among otolaryngologists for endoscopic sinus and skull base surgeries in both adults and children. However, the increased tissue radiation required for data acquisition associated with 3D navigation protocols CT scans is a source of concern because of its potential health hazards. We aimed to compare the effective doses of radiation between 3D navigation protocols and standard protocols for sinus computed tomography (CT) scans for both the adult and pediatric population. Methods We performed a retrospective cohort study through electronic chart review of patients undergoing sinus CT scans (standard and 3D navigation protocols) from May 2019 to December 2019 using a Siemens Drive (VA62A) CT scanner. The effective dose of radiation was calculated in mSv for all exams. Average irradiation doses were compared using a Student’s T-Test or a Kruskall–Wallis test when appropriate. Results A total of 115 CT scans were selected for analysis, of which 47 were standard protocols and 68 were 3D navigation protocols CT scans. Among these, 31 exams were performed on children and 84 exams on adults. For the total population, mean effective dose in the non-navigation CT scans was 0.37 mSv (SD: 0.16, N = 47) and mean effective dose in the 3D navigation sinus CT group was 2.33 mSv (SD: 0.45, N = 68). The mean difference between the two groups was statistically significant 1.97 mSv (CI 95% − 2.1 to − 1.83; P < 0.0001). There was a sixfold increase in radiation with utilization of 3D navigation protocols. The ratio was identical when the pediatric as well as the adult subset of patients were analyzed. Conclusion In our center, utilization of 3D navigation sinus CT protocols significantly increases radiation exposure. Otolaryngologists should be aware of this significant increase and should attempt to decrease the radiation exposure of their patients by limiting unnecessary scan orders and by evaluating 3D acquisition protocols locally with radiation physicists. Level of evidence: Level IV. Graphical AbstractNoémie Villemure-PoliquinMario ChrétienJacques E. LeclercBMCarticleSinusitisPaediatric sinusitisPolypsCystic fibrosisNasosinusal tumorsSinus surgerySurgeryRD1-811ENJournal of Otolaryngology - Head and Neck Surgery, Vol 50, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Sinusitis Paediatric sinusitis Polyps Cystic fibrosis Nasosinusal tumors Sinus surgery Surgery RD1-811
spellingShingle	Sinusitis Paediatric sinusitis Polyps Cystic fibrosis Nasosinusal tumors Sinus surgery Surgery RD1-811 Noémie Villemure-Poliquin Mario Chrétien Jacques E. Leclerc Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults
description	Abstract Background The advent of 3D navigation imaging has opened new borders to the endoscopic surgical approaches of naso-sinusal inflammatory and neoplastic disease. This technology has gained in popularity among otolaryngologists for endoscopic sinus and skull base surgeries in both adults and children. However, the increased tissue radiation required for data acquisition associated with 3D navigation protocols CT scans is a source of concern because of its potential health hazards. We aimed to compare the effective doses of radiation between 3D navigation protocols and standard protocols for sinus computed tomography (CT) scans for both the adult and pediatric population. Methods We performed a retrospective cohort study through electronic chart review of patients undergoing sinus CT scans (standard and 3D navigation protocols) from May 2019 to December 2019 using a Siemens Drive (VA62A) CT scanner. The effective dose of radiation was calculated in mSv for all exams. Average irradiation doses were compared using a Student’s T-Test or a Kruskall–Wallis test when appropriate. Results A total of 115 CT scans were selected for analysis, of which 47 were standard protocols and 68 were 3D navigation protocols CT scans. Among these, 31 exams were performed on children and 84 exams on adults. For the total population, mean effective dose in the non-navigation CT scans was 0.37 mSv (SD: 0.16, N = 47) and mean effective dose in the 3D navigation sinus CT group was 2.33 mSv (SD: 0.45, N = 68). The mean difference between the two groups was statistically significant 1.97 mSv (CI 95% − 2.1 to − 1.83; P < 0.0001). There was a sixfold increase in radiation with utilization of 3D navigation protocols. The ratio was identical when the pediatric as well as the adult subset of patients were analyzed. Conclusion In our center, utilization of 3D navigation sinus CT protocols significantly increases radiation exposure. Otolaryngologists should be aware of this significant increase and should attempt to decrease the radiation exposure of their patients by limiting unnecessary scan orders and by evaluating 3D acquisition protocols locally with radiation physicists. Level of evidence: Level IV. Graphical Abstract
format	article
author	Noémie Villemure-Poliquin Mario Chrétien Jacques E. Leclerc
author_facet	Noémie Villemure-Poliquin Mario Chrétien Jacques E. Leclerc
author_sort	Noémie Villemure-Poliquin
title	Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults
title_short	Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults
title_full	Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults
title_fullStr	Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults
title_full_unstemmed	Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults
title_sort	navigation and non-navigation ct scan of the sinuses: comparison of the effective doses of radiation in children and adults
publisher	BMC
publishDate	2021
url	https://doaj.org/article/94e8ad6c74704fada094db238377e8de
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Navigation and non-navigation CT scan of the sinuses: comparison of the effective doses of radiation in children and adults

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