162 Coronary artery calcification on non-gated, non-cardiac ct has prognostic and treatment implications regardless of age

IntroductionCoronary artery disease (CAD) is a progressive, inflammatory disorder with calcification forming as plaque heals. Coronary artery calcification (CAC) is thus a biomarker of CAD. The 2020 BSCI/BSTI guidelines recommended, for the first time, reporting CAC on all thoracic CT regardless of...

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Veröffentlicht in:Heart (British Cardiac Society) 2022-06, Vol.108 (Suppl 1), p.A125-A126
Hauptverfasser: Graby, John, Soto-Hernaez, Jimena, Murphy, David, Oldman, James, Burnett, Tim, Charters, Pia, Barrishi, Adam, Thanaraaj, Thuvaarahan, Masterman, Ben, Khavandi, Ali, Rodrigues, Jonathan
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container_title Heart (British Cardiac Society)
container_volume 108
creator Graby, John
Soto-Hernaez, Jimena
Murphy, David
Oldman, James
Burnett, Tim
Charters, Pia
Barrishi, Adam
Thanaraaj, Thuvaarahan
Masterman, Ben
Khavandi, Ali
Rodrigues, Jonathan
description IntroductionCoronary artery disease (CAD) is a progressive, inflammatory disorder with calcification forming as plaque heals. Coronary artery calcification (CAC) is thus a biomarker of CAD. The 2020 BSCI/BSTI guidelines recommended, for the first time, reporting CAC on all thoracic CT regardless of the indication and acquisition modality. However, its routine reporting is infrequent and the clinical relevance of this in all age groups has been debated. This study assessed CAC prevalence, prognosis and the potential impact of its reporting on management in unselected patients undergoing routine non-cardiac thoracic CT.MethodsA retrospective analysis of 1400 consecutive non-cardiac chest CT imaging performed in our institution from 1st January 2015 was performed until 200 individual patient scans in each age group (
doi_str_mv 10.1136/heartjnl-2022-BCS.162
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Coronary artery calcification (CAC) is thus a biomarker of CAD. The 2020 BSCI/BSTI guidelines recommended, for the first time, reporting CAC on all thoracic CT regardless of the indication and acquisition modality. However, its routine reporting is infrequent and the clinical relevance of this in all age groups has been debated. This study assessed CAC prevalence, prognosis and the potential impact of its reporting on management in unselected patients undergoing routine non-cardiac thoracic CT.MethodsA retrospective analysis of 1400 consecutive non-cardiac chest CT imaging performed in our institution from 1st January 2015 was performed until 200 individual patient scans in each age group (<40, 40–49, 50–59, 60–69, 70–79, 80–89, and ≥90) were reached. Duplicates, incomplete imaging and scans with evidence of prior coronary intervention were excluded.CTs were re-reviewed for CAC presence and severity was graded (none, mild, moderate, severe). Electronic records were reviewed for comorbidities, pre-existing CAD, statin prescription and clinical outcomes (myocardial infarction [MI], stroke and all-cause mortality). Impact on management was assessed against patient’s history of statin prescription or pre-existing indications for it prior to CAC identification.ResultsThe final cohort was 1344 (mean age 63±20, 590 [44%] male) after excluding 9 (0.6%) with incomplete imaging and 47 (3%) with CT evidence of prior cardiac intervention. Inter- and intra-observer variability for presence of CAC was excellent (ICC 0.95 [0.90–0.97] p<0.001; ICC 0.996 [0.991–0.998] p<0.001) as was assessment of CAC severity (ICC 0.92 [0.85–0.96] p<0.001).CAC (of any degree) was present in 728/1344 (54%) of patients. CAC was present significantly more frequently in males (61% vs 49%, p<0.001) and rising age (p<0.001), and CAC severity increased significantly with age (p<0.001).Incidental CAC was present in a high proportion of patients without known CAD or dyslipidaemia who were not on a statin at the time of their scan in all age groups (range: 100% of patients <40 with CAC to 42% aged 80–89). ‘Number needed to report’ to impact management was 3 (all age groups), ranging from 50 if aged <40 to 2 if ≥90.691 (51%) patients had died at a median follow-up of 73 months (IQR 14–82). Presence of CAC was significantly associated with risk of MI (p<0.001), stroke (p<0.001) and a composite of all-cause mortality, MI or stroke (p<0.001), which was predicted by both CAC presence (HR 2.92 [2.48–3.43] p<0.001) and increasing CAC severity (HR 5.17 [3.89–6.86] p<0.001 for severe CAC).Abstract 162 Figure 1Burden of CAC sub-divided by age and (A( whether patients with CAC had a pre-existing diagnosis of CAD (“Known CAD” versus “Not known CAD”(, and (B( breakdown of CAD severity (all vessels(Abstract 162 Figure 2Kaplan-Meier curves demonstrating risk of composite outcome of all-cause mortality, MI and stroke against (A( CAC presence, and (B( CAC severityConclusionThe grading of CAC presence and severity was reproducible, and although the prevalence rose with age, prognostic and treatment implications were maintained across all age groups. CAC presence and severity detected patients at increased risk of MI, stroke and all-cause mortality and identifies a significant proportion of untreated patients. Its reporting provides a simple, opportunistic approach to risk-stratify patients who may benefit from cardiovascular risk optimisation in all age groups.Conflict of Interestnil]]></description><identifier>ISSN: 1355-6037</identifier><identifier>EISSN: 1468-201X</identifier><identifier>DOI: 10.1136/heartjnl-2022-BCS.162</identifier><language>eng</language><publisher>London: BMJ Publishing Group Ltd and British Cardiovascular Society</publisher><subject>Age groups ; Calcification ; Cardiovascular disease ; Computed tomography ; Coronary artery disease ; Coronary vessels ; Metabolic disorders ; Mortality ; Patients ; Primary prevention ; Stable IHD/Prevention/Hypertension/Lipids ; Stroke</subject><ispartof>Heart (British Cardiac Society), 2022-06, Vol.108 (Suppl 1), p.A125-A126</ispartof><rights>Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.</rights><rights>2022 Author(s) (or their employer(s)) 2022. No commercial re-use. See rights and permissions. Published by BMJ.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Graby, John</creatorcontrib><creatorcontrib>Soto-Hernaez, Jimena</creatorcontrib><creatorcontrib>Murphy, David</creatorcontrib><creatorcontrib>Oldman, James</creatorcontrib><creatorcontrib>Burnett, Tim</creatorcontrib><creatorcontrib>Charters, Pia</creatorcontrib><creatorcontrib>Barrishi, Adam</creatorcontrib><creatorcontrib>Thanaraaj, Thuvaarahan</creatorcontrib><creatorcontrib>Masterman, Ben</creatorcontrib><creatorcontrib>Khavandi, Ali</creatorcontrib><creatorcontrib>Rodrigues, Jonathan</creatorcontrib><title>162 Coronary artery calcification on non-gated, non-cardiac ct has prognostic and treatment implications regardless of age</title><title>Heart (British Cardiac Society)</title><addtitle>Heart</addtitle><description><![CDATA[IntroductionCoronary artery disease (CAD) is a progressive, inflammatory disorder with calcification forming as plaque heals. Coronary artery calcification (CAC) is thus a biomarker of CAD. The 2020 BSCI/BSTI guidelines recommended, for the first time, reporting CAC on all thoracic CT regardless of the indication and acquisition modality. However, its routine reporting is infrequent and the clinical relevance of this in all age groups has been debated. This study assessed CAC prevalence, prognosis and the potential impact of its reporting on management in unselected patients undergoing routine non-cardiac thoracic CT.MethodsA retrospective analysis of 1400 consecutive non-cardiac chest CT imaging performed in our institution from 1st January 2015 was performed until 200 individual patient scans in each age group (<40, 40–49, 50–59, 60–69, 70–79, 80–89, and ≥90) were reached. Duplicates, incomplete imaging and scans with evidence of prior coronary intervention were excluded.CTs were re-reviewed for CAC presence and severity was graded (none, mild, moderate, severe). Electronic records were reviewed for comorbidities, pre-existing CAD, statin prescription and clinical outcomes (myocardial infarction [MI], stroke and all-cause mortality). Impact on management was assessed against patient’s history of statin prescription or pre-existing indications for it prior to CAC identification.ResultsThe final cohort was 1344 (mean age 63±20, 590 [44%] male) after excluding 9 (0.6%) with incomplete imaging and 47 (3%) with CT evidence of prior cardiac intervention. Inter- and intra-observer variability for presence of CAC was excellent (ICC 0.95 [0.90–0.97] p<0.001; ICC 0.996 [0.991–0.998] p<0.001) as was assessment of CAC severity (ICC 0.92 [0.85–0.96] p<0.001).CAC (of any degree) was present in 728/1344 (54%) of patients. CAC was present significantly more frequently in males (61% vs 49%, p<0.001) and rising age (p<0.001), and CAC severity increased significantly with age (p<0.001).Incidental CAC was present in a high proportion of patients without known CAD or dyslipidaemia who were not on a statin at the time of their scan in all age groups (range: 100% of patients <40 with CAC to 42% aged 80–89). ‘Number needed to report’ to impact management was 3 (all age groups), ranging from 50 if aged <40 to 2 if ≥90.691 (51%) patients had died at a median follow-up of 73 months (IQR 14–82). Presence of CAC was significantly associated with risk of MI (p<0.001), stroke (p<0.001) and a composite of all-cause mortality, MI or stroke (p<0.001), which was predicted by both CAC presence (HR 2.92 [2.48–3.43] p<0.001) and increasing CAC severity (HR 5.17 [3.89–6.86] p<0.001 for severe CAC).Abstract 162 Figure 1Burden of CAC sub-divided by age and (A( whether patients with CAC had a pre-existing diagnosis of CAD (“Known CAD” versus “Not known CAD”(, and (B( breakdown of CAD severity (all vessels(Abstract 162 Figure 2Kaplan-Meier curves demonstrating risk of composite outcome of all-cause mortality, MI and stroke against (A( CAC presence, and (B( CAC severityConclusionThe grading of CAC presence and severity was reproducible, and although the prevalence rose with age, prognostic and treatment implications were maintained across all age groups. CAC presence and severity detected patients at increased risk of MI, stroke and all-cause mortality and identifies a significant proportion of untreated patients. Its reporting provides a simple, opportunistic approach to risk-stratify patients who may benefit from cardiovascular risk optimisation in all age groups.Conflict of Interestnil]]></description><subject>Age groups</subject><subject>Calcification</subject><subject>Cardiovascular disease</subject><subject>Computed tomography</subject><subject>Coronary artery disease</subject><subject>Coronary vessels</subject><subject>Metabolic disorders</subject><subject>Mortality</subject><subject>Patients</subject><subject>Primary prevention</subject><subject>Stable IHD/Prevention/Hypertension/Lipids</subject><subject>Stroke</subject><issn>1355-6037</issn><issn>1468-201X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNpFkMtKAzEUhoMoWC-PIATcOjW3STJLLd6g4EIFd0OSyUxnmCY1SReCCze-qE9iaivCgf9w-M9_Dh8AZxhNMab8cmFVSIMbC4IIKa5nT1PMyR6YYMZlnuHX_dzTsiw4ouIQHMU4IIRYJfkEfGTr9-fXzAfvVHiHOclmMWo0fdsblXrvYC7nXdGpZJuL39ao0PTKQJPgQkW4Cr5zPqbeQOUamIJVaWldgv1yNe5SIgy2y2ujjRH6FqrOnoCDVo3Rnu70GLzc3jzP7ov5493D7GpeaIwFKRpqSauNLbXElW0ls5ZqiiTTUnBGFNOEopJjIxrMKqMrURlOhGKCGmkJp8fgfJub_3xb25jqwa-DyydrwgUrJaeYZBfeuvRy-DdgVG8g13-Q6w3kOkOuMzn6A7XOdKk</recordid><startdate>20220606</startdate><enddate>20220606</enddate><creator>Graby, John</creator><creator>Soto-Hernaez, Jimena</creator><creator>Murphy, David</creator><creator>Oldman, James</creator><creator>Burnett, Tim</creator><creator>Charters, Pia</creator><creator>Barrishi, Adam</creator><creator>Thanaraaj, Thuvaarahan</creator><creator>Masterman, Ben</creator><creator>Khavandi, Ali</creator><creator>Rodrigues, Jonathan</creator><general>BMJ Publishing Group Ltd and British Cardiovascular Society</general><general>BMJ Publishing Group LTD</general><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AF</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BTHHO</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope></search><sort><creationdate>20220606</creationdate><title>162 Coronary artery calcification on non-gated, non-cardiac ct has prognostic and treatment implications regardless of age</title><author>Graby, John ; Soto-Hernaez, Jimena ; Murphy, David ; Oldman, James ; Burnett, Tim ; Charters, Pia ; Barrishi, Adam ; Thanaraaj, Thuvaarahan ; Masterman, Ben ; Khavandi, Ali ; Rodrigues, Jonathan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-b1172-d3e2fbce5b819ef84ee3b3084b87642a4b230561c7d149cb979c627a473c8e263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Age groups</topic><topic>Calcification</topic><topic>Cardiovascular disease</topic><topic>Computed tomography</topic><topic>Coronary artery disease</topic><topic>Coronary vessels</topic><topic>Metabolic disorders</topic><topic>Mortality</topic><topic>Patients</topic><topic>Primary prevention</topic><topic>Stable IHD/Prevention/Hypertension/Lipids</topic><topic>Stroke</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Graby, John</creatorcontrib><creatorcontrib>Soto-Hernaez, Jimena</creatorcontrib><creatorcontrib>Murphy, David</creatorcontrib><creatorcontrib>Oldman, James</creatorcontrib><creatorcontrib>Burnett, Tim</creatorcontrib><creatorcontrib>Charters, Pia</creatorcontrib><creatorcontrib>Barrishi, Adam</creatorcontrib><creatorcontrib>Thanaraaj, Thuvaarahan</creatorcontrib><creatorcontrib>Masterman, Ben</creatorcontrib><creatorcontrib>Khavandi, Ali</creatorcontrib><creatorcontrib>Rodrigues, Jonathan</creatorcontrib><collection>ProQuest Central (Corporate)</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>BMJ Journals</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Health &amp; Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><jtitle>Heart (British Cardiac Society)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Graby, John</au><au>Soto-Hernaez, Jimena</au><au>Murphy, David</au><au>Oldman, James</au><au>Burnett, Tim</au><au>Charters, Pia</au><au>Barrishi, Adam</au><au>Thanaraaj, Thuvaarahan</au><au>Masterman, Ben</au><au>Khavandi, Ali</au><au>Rodrigues, Jonathan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>162 Coronary artery calcification on non-gated, non-cardiac ct has prognostic and treatment implications regardless of age</atitle><jtitle>Heart (British Cardiac Society)</jtitle><stitle>Heart</stitle><date>2022-06-06</date><risdate>2022</risdate><volume>108</volume><issue>Suppl 1</issue><spage>A125</spage><epage>A126</epage><pages>A125-A126</pages><issn>1355-6037</issn><eissn>1468-201X</eissn><abstract><![CDATA[IntroductionCoronary artery disease (CAD) is a progressive, inflammatory disorder with calcification forming as plaque heals. Coronary artery calcification (CAC) is thus a biomarker of CAD. The 2020 BSCI/BSTI guidelines recommended, for the first time, reporting CAC on all thoracic CT regardless of the indication and acquisition modality. However, its routine reporting is infrequent and the clinical relevance of this in all age groups has been debated. This study assessed CAC prevalence, prognosis and the potential impact of its reporting on management in unselected patients undergoing routine non-cardiac thoracic CT.MethodsA retrospective analysis of 1400 consecutive non-cardiac chest CT imaging performed in our institution from 1st January 2015 was performed until 200 individual patient scans in each age group (<40, 40–49, 50–59, 60–69, 70–79, 80–89, and ≥90) were reached. Duplicates, incomplete imaging and scans with evidence of prior coronary intervention were excluded.CTs were re-reviewed for CAC presence and severity was graded (none, mild, moderate, severe). Electronic records were reviewed for comorbidities, pre-existing CAD, statin prescription and clinical outcomes (myocardial infarction [MI], stroke and all-cause mortality). Impact on management was assessed against patient’s history of statin prescription or pre-existing indications for it prior to CAC identification.ResultsThe final cohort was 1344 (mean age 63±20, 590 [44%] male) after excluding 9 (0.6%) with incomplete imaging and 47 (3%) with CT evidence of prior cardiac intervention. Inter- and intra-observer variability for presence of CAC was excellent (ICC 0.95 [0.90–0.97] p<0.001; ICC 0.996 [0.991–0.998] p<0.001) as was assessment of CAC severity (ICC 0.92 [0.85–0.96] p<0.001).CAC (of any degree) was present in 728/1344 (54%) of patients. CAC was present significantly more frequently in males (61% vs 49%, p<0.001) and rising age (p<0.001), and CAC severity increased significantly with age (p<0.001).Incidental CAC was present in a high proportion of patients without known CAD or dyslipidaemia who were not on a statin at the time of their scan in all age groups (range: 100% of patients <40 with CAC to 42% aged 80–89). ‘Number needed to report’ to impact management was 3 (all age groups), ranging from 50 if aged <40 to 2 if ≥90.691 (51%) patients had died at a median follow-up of 73 months (IQR 14–82). Presence of CAC was significantly associated with risk of MI (p<0.001), stroke (p<0.001) and a composite of all-cause mortality, MI or stroke (p<0.001), which was predicted by both CAC presence (HR 2.92 [2.48–3.43] p<0.001) and increasing CAC severity (HR 5.17 [3.89–6.86] p<0.001 for severe CAC).Abstract 162 Figure 1Burden of CAC sub-divided by age and (A( whether patients with CAC had a pre-existing diagnosis of CAD (“Known CAD” versus “Not known CAD”(, and (B( breakdown of CAD severity (all vessels(Abstract 162 Figure 2Kaplan-Meier curves demonstrating risk of composite outcome of all-cause mortality, MI and stroke against (A( CAC presence, and (B( CAC severityConclusionThe grading of CAC presence and severity was reproducible, and although the prevalence rose with age, prognostic and treatment implications were maintained across all age groups. CAC presence and severity detected patients at increased risk of MI, stroke and all-cause mortality and identifies a significant proportion of untreated patients. Its reporting provides a simple, opportunistic approach to risk-stratify patients who may benefit from cardiovascular risk optimisation in all age groups.Conflict of Interestnil]]></abstract><cop>London</cop><pub>BMJ Publishing Group Ltd and British Cardiovascular Society</pub><doi>10.1136/heartjnl-2022-BCS.162</doi><oa>free_for_read</oa></addata></record>
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subjects Age groups
Calcification
Cardiovascular disease
Computed tomography
Coronary artery disease
Coronary vessels
Metabolic disorders
Mortality
Patients
Primary prevention
Stable IHD/Prevention/Hypertension/Lipids
Stroke
title 162 Coronary artery calcification on non-gated, non-cardiac ct has prognostic and treatment implications regardless of age
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