National Trends in CT Utilization and Estimated CT-related Radiation Exposure in the Evaluation and Follow-up of Stone Patients
To describe trends in computed tomography (CT) use and estimate the radiation exposure among stone formers using a national insurance claims database. Within MarketScan, adult stone patients from 2007 to 2013 were identified using International Classification of Diseases-Revision 9, International Cl...
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| Veröffentlicht in: | Urology (Ridgewood, N.J.) N.J.), 2019-11, Vol.133, p.50-56 |
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| creator | Dai, Jessica C. Chang, Helena C. Holt, Sarah K. Harper, Jonathan D. |
| description | To describe trends in computed tomography (CT) use and estimate the radiation exposure among stone formers using a national insurance claims database.
Within MarketScan, adult stone patients from 2007 to 2013 were identified using International Classification of Diseases-Revision 9, International Classification of Diseases-Revision 10, and Current Procedural Terminology codes. Patients were classified as “active” (≥2 diagnosis codes for nephrolithiasis, or receipt of stone surgery) or “inactive” (1 stone diagnosis) and compared to age- and gender-matched controls. CT utilization was tracked over 3 years for each group. Annual CT-related radiation exposure was estimated using previously published dose values and compared using Kruskal-Wallis and χ2 tests. Demographic factors associated with greater CT exposure were identified on multivariate logistic regression.
Of active stone patients, 112,140 underwent surgery and 215,376 were managed nonoperatively. There were 175,228 inactive stone patients and 502,744 controls. On average, active stone patients received nearly 10 times as many CTs as controls at 3 years (P |
| doi_str_mv | 10.1016/j.urology.2019.07.030 |
| format | Article |
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Within MarketScan, adult stone patients from 2007 to 2013 were identified using International Classification of Diseases-Revision 9, International Classification of Diseases-Revision 10, and Current Procedural Terminology codes. Patients were classified as “active” (≥2 diagnosis codes for nephrolithiasis, or receipt of stone surgery) or “inactive” (1 stone diagnosis) and compared to age- and gender-matched controls. CT utilization was tracked over 3 years for each group. Annual CT-related radiation exposure was estimated using previously published dose values and compared using Kruskal-Wallis and χ2 tests. Demographic factors associated with greater CT exposure were identified on multivariate logistic regression.
Of active stone patients, 112,140 underwent surgery and 215,376 were managed nonoperatively. There were 175,228 inactive stone patients and 502,744 controls. On average, active stone patients received nearly 10 times as many CTs as controls at 3 years (P <.001), and more acute imaging (P <.001). About 25% and 15% of operative and nonoperative patients, respectively, received ≥3 CTs in 3 years. This was associated with female gender. For nonoperative patients, this was also associated with age, residence in the North-Central or South regions, and inversely associated with metropolitan residence (all P <.01). Over 10% of active stone patients are estimated to receive >20 mSv in the first year alone.
CT use and nonsurgical radiation exposure for active stone patients is significant. Over 10% are estimated to exceed occupational limits in the first year. Judicious CT imaging and low-dose protocols are critical for stone patients.</description><identifier>ISSN: 0090-4295</identifier><identifier>EISSN: 1527-9995</identifier><identifier>DOI: 10.1016/j.urology.2019.07.030</identifier><identifier>PMID: 31404583</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Aged ; Cohort Studies ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Procedures and Techniques Utilization - statistics & numerical data ; Procedures and Techniques Utilization - trends ; Radiation Exposure - statistics & numerical data ; Retrospective Studies ; Tomography, X-Ray Computed - statistics & numerical data ; Urinary Calculi - diagnostic imaging ; Young Adult</subject><ispartof>Urology (Ridgewood, N.J.), 2019-11, Vol.133, p.50-56</ispartof><rights>2019 Elsevier Inc.</rights><rights>Copyright © 2019 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-b90104981a4af6cb5f99abc86d8491a632dda6537c31b2a869ca95ccac37d1303</citedby><cites>FETCH-LOGICAL-c365t-b90104981a4af6cb5f99abc86d8491a632dda6537c31b2a869ca95ccac37d1303</cites><orcidid>0000-0001-9047-4004 ; 0000-0001-6302-5502</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0090429519307058$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31404583$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Dai, Jessica C.</creatorcontrib><creatorcontrib>Chang, Helena C.</creatorcontrib><creatorcontrib>Holt, Sarah K.</creatorcontrib><creatorcontrib>Harper, Jonathan D.</creatorcontrib><title>National Trends in CT Utilization and Estimated CT-related Radiation Exposure in the Evaluation and Follow-up of Stone Patients</title><title>Urology (Ridgewood, N.J.)</title><addtitle>Urology</addtitle><description>To describe trends in computed tomography (CT) use and estimate the radiation exposure among stone formers using a national insurance claims database.
Within MarketScan, adult stone patients from 2007 to 2013 were identified using International Classification of Diseases-Revision 9, International Classification of Diseases-Revision 10, and Current Procedural Terminology codes. Patients were classified as “active” (≥2 diagnosis codes for nephrolithiasis, or receipt of stone surgery) or “inactive” (1 stone diagnosis) and compared to age- and gender-matched controls. CT utilization was tracked over 3 years for each group. Annual CT-related radiation exposure was estimated using previously published dose values and compared using Kruskal-Wallis and χ2 tests. Demographic factors associated with greater CT exposure were identified on multivariate logistic regression.
Of active stone patients, 112,140 underwent surgery and 215,376 were managed nonoperatively. There were 175,228 inactive stone patients and 502,744 controls. On average, active stone patients received nearly 10 times as many CTs as controls at 3 years (P <.001), and more acute imaging (P <.001). About 25% and 15% of operative and nonoperative patients, respectively, received ≥3 CTs in 3 years. This was associated with female gender. For nonoperative patients, this was also associated with age, residence in the North-Central or South regions, and inversely associated with metropolitan residence (all P <.01). Over 10% of active stone patients are estimated to receive >20 mSv in the first year alone.
CT use and nonsurgical radiation exposure for active stone patients is significant. Over 10% are estimated to exceed occupational limits in the first year. Judicious CT imaging and low-dose protocols are critical for stone patients.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Cohort Studies</subject><subject>Female</subject><subject>Follow-Up Studies</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Procedures and Techniques Utilization - statistics & numerical data</subject><subject>Procedures and Techniques Utilization - trends</subject><subject>Radiation Exposure - statistics & numerical data</subject><subject>Retrospective Studies</subject><subject>Tomography, X-Ray Computed - statistics & numerical data</subject><subject>Urinary Calculi - diagnostic imaging</subject><subject>Young Adult</subject><issn>0090-4295</issn><issn>1527-9995</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE9v1DAQxS0EokvhI4B85JIwtmMnPiG02lKkiiLYni3HdsArb7zYTku59KuT_UM5cpqR3u_N0zyEXhOoCRDxblNPKYb4_b6mQGQNbQ0MnqAF4bStpJT8KVoASKgaKvkZepHzBgCEEO1zdMZIAw3v2AI9fNbFx1EHvE5utBn7ES_X-Kb44H8fJKxHi1e5-K0uzs5ilVw4rF-19Udk9WsX85Tc3l1-OLy61WH6576IIcS7atrhOOBvJY4Of5lVN5b8Ej0bdMju1Wmeo5uL1Xp5WV1df_y0_HBVGSZ4qXoJBBrZEd3oQZieD1Lq3nTCdo0kWjBqrRactYaRnupOSKMlN0Yb1lrCgJ2jt8e7uxR_Ti4XtfXZuBD06OKUFaUtbRmjXM4oP6ImxZyTG9Quzc-ne0VA7btXG3XqXu27V9AqOES8OUVM_dbZR9ffsmfg_RFw86O33iWVzVyCcdYnZ4qy0f8n4g8BaZmn</recordid><startdate>201911</startdate><enddate>201911</enddate><creator>Dai, Jessica C.</creator><creator>Chang, Helena C.</creator><creator>Holt, Sarah K.</creator><creator>Harper, Jonathan D.</creator><general>Elsevier Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-9047-4004</orcidid><orcidid>https://orcid.org/0000-0001-6302-5502</orcidid></search><sort><creationdate>201911</creationdate><title>National Trends in CT Utilization and Estimated CT-related Radiation Exposure in the Evaluation and Follow-up of Stone Patients</title><author>Dai, Jessica C. ; Chang, Helena C. ; Holt, Sarah K. ; Harper, Jonathan D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-b90104981a4af6cb5f99abc86d8491a632dda6537c31b2a869ca95ccac37d1303</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Cohort Studies</topic><topic>Female</topic><topic>Follow-Up Studies</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Procedures and Techniques Utilization - statistics & numerical data</topic><topic>Procedures and Techniques Utilization - trends</topic><topic>Radiation Exposure - statistics & numerical data</topic><topic>Retrospective Studies</topic><topic>Tomography, X-Ray Computed - statistics & numerical data</topic><topic>Urinary Calculi - diagnostic imaging</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dai, Jessica C.</creatorcontrib><creatorcontrib>Chang, Helena C.</creatorcontrib><creatorcontrib>Holt, Sarah K.</creatorcontrib><creatorcontrib>Harper, Jonathan D.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Urology (Ridgewood, N.J.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dai, Jessica C.</au><au>Chang, Helena C.</au><au>Holt, Sarah K.</au><au>Harper, Jonathan D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>National Trends in CT Utilization and Estimated CT-related Radiation Exposure in the Evaluation and Follow-up of Stone Patients</atitle><jtitle>Urology (Ridgewood, N.J.)</jtitle><addtitle>Urology</addtitle><date>2019-11</date><risdate>2019</risdate><volume>133</volume><spage>50</spage><epage>56</epage><pages>50-56</pages><issn>0090-4295</issn><eissn>1527-9995</eissn><abstract>To describe trends in computed tomography (CT) use and estimate the radiation exposure among stone formers using a national insurance claims database.
Within MarketScan, adult stone patients from 2007 to 2013 were identified using International Classification of Diseases-Revision 9, International Classification of Diseases-Revision 10, and Current Procedural Terminology codes. Patients were classified as “active” (≥2 diagnosis codes for nephrolithiasis, or receipt of stone surgery) or “inactive” (1 stone diagnosis) and compared to age- and gender-matched controls. CT utilization was tracked over 3 years for each group. Annual CT-related radiation exposure was estimated using previously published dose values and compared using Kruskal-Wallis and χ2 tests. Demographic factors associated with greater CT exposure were identified on multivariate logistic regression.
Of active stone patients, 112,140 underwent surgery and 215,376 were managed nonoperatively. There were 175,228 inactive stone patients and 502,744 controls. On average, active stone patients received nearly 10 times as many CTs as controls at 3 years (P <.001), and more acute imaging (P <.001). About 25% and 15% of operative and nonoperative patients, respectively, received ≥3 CTs in 3 years. This was associated with female gender. For nonoperative patients, this was also associated with age, residence in the North-Central or South regions, and inversely associated with metropolitan residence (all P <.01). Over 10% of active stone patients are estimated to receive >20 mSv in the first year alone.
CT use and nonsurgical radiation exposure for active stone patients is significant. Over 10% are estimated to exceed occupational limits in the first year. Judicious CT imaging and low-dose protocols are critical for stone patients.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>31404583</pmid><doi>10.1016/j.urology.2019.07.030</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-9047-4004</orcidid><orcidid>https://orcid.org/0000-0001-6302-5502</orcidid></addata></record> |
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| subjects | Adolescent Adult Aged Cohort Studies Female Follow-Up Studies Humans Male Middle Aged Procedures and Techniques Utilization - statistics & numerical data Procedures and Techniques Utilization - trends Radiation Exposure - statistics & numerical data Retrospective Studies Tomography, X-Ray Computed - statistics & numerical data Urinary Calculi - diagnostic imaging Young Adult |
| title | National Trends in CT Utilization and Estimated CT-related Radiation Exposure in the Evaluation and Follow-up of Stone Patients |
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