P5625Markers for cholesterol absorption are associated with In-stent-restenosis after coronary stenting in stable coronary artery disease: An Optical Coherence Tomography study

P5625Markers for cholesterol absorption are associated with In-stent-restenosis after coronary stenting in stable coronary artery disease: An Optical Coherence Tomography study

Abstract Background Plant sterols are suspected to exert atherosclerotic propensity. Modern drug-eluting stents are superior to bare metal stents but show a late catch up phenomenon for restenosis. Due to its superb resolution, optical coherence tomography (OCT) has the capability to identify and qu...

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Veröffentlicht in:European heart journal 2019-10, Vol.40 (Supplement_1)
Hauptverfasser: Otto, S, Luetjohann, D, Kerksiek, A, Friedrichs, S, Schulze, P C, Poerner, T C, Weingaertner, O
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container_issue Supplement_1
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container_title European heart journal
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creator Otto, S
Luetjohann, D
Kerksiek, A
Friedrichs, S
Schulze, P C
Poerner, T C
Weingaertner, O
description Abstract Background Plant sterols are suspected to exert atherosclerotic propensity. Modern drug-eluting stents are superior to bare metal stents but show a late catch up phenomenon for restenosis. Due to its superb resolution, optical coherence tomography (OCT) has the capability to identify and quantifiy very early patterns of in-stent proliferation. Studies have shown that in-stent neointimal proliferation is linked to late in-stent stenosis. Purpose This study aimed to analyze associations of plasma levels for markers of cholesterol homeostasis such as campesterol and sitosterol (markers for cholesterol absorption) as well as lanosterol (marker for cholesterol synthesis)and and their respective oxides with In-stent restenosis after stent deployment in stable coronary artery disease. Methods Plasma cholesterol was measured by gas chromatography-flame ionization detection. Plasma campesterol, sitosterol and lanosterol and their oxides were analyzed by gas chromatography-mass selective detection. In-stent proliferation (restenosis) was assessed after six months by OCT in 33 patients (21 males). A quantitative OCT algorithm was applied to each stent by steps of one mm and in-stent proliferation volumes and areas were calculated and normalized to stent length and area. In-stent proliferation can be measured by OCT as global volumes and focal areas. Results No clinically significant restenosis or angiographic restenosis of >30% was observed at 6-month f/u. Mean cholesterol level was 166,5±62,8 mg/dl and positively correlated with proliferation volume/cm (r=0.316, p=0.037) and absolute median proliferation area (r=0.322, p=0.029). Absolute median proliferation area and relative median proliferation area correlated positively with markers for cholesterol absorption such as campesterol-to-cholesterol (r=0.277, p=0.07 and 0.315, p=0.037) and sitosterol-to-cholesterol (r=0.237, p=0.092 and 0.322, p=0.034), whereas lanosterol (a marker for cholesterol synthesis) and its ratio to cholesterol correlated negatively with proliferation volumes and areas (p
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Modern drug-eluting stents are superior to bare metal stents but show a late catch up phenomenon for restenosis. Due to its superb resolution, optical coherence tomography (OCT) has the capability to identify and quantifiy very early patterns of in-stent proliferation. Studies have shown that in-stent neointimal proliferation is linked to late in-stent stenosis. Purpose This study aimed to analyze associations of plasma levels for markers of cholesterol homeostasis such as campesterol and sitosterol (markers for cholesterol absorption) as well as lanosterol (marker for cholesterol synthesis)and and their respective oxides with In-stent restenosis after stent deployment in stable coronary artery disease. Methods Plasma cholesterol was measured by gas chromatography-flame ionization detection. Plasma campesterol, sitosterol and lanosterol and their oxides were analyzed by gas chromatography-mass selective detection. In-stent proliferation (restenosis) was assessed after six months by OCT in 33 patients (21 males). A quantitative OCT algorithm was applied to each stent by steps of one mm and in-stent proliferation volumes and areas were calculated and normalized to stent length and area. In-stent proliferation can be measured by OCT as global volumes and focal areas. Results No clinically significant restenosis or angiographic restenosis of &gt;30% was observed at 6-month f/u. Mean cholesterol level was 166,5±62,8 mg/dl and positively correlated with proliferation volume/cm (r=0.316, p=0.037) and absolute median proliferation area (r=0.322, p=0.029). Absolute median proliferation area and relative median proliferation area correlated positively with markers for cholesterol absorption such as campesterol-to-cholesterol (r=0.277, p=0.07 and 0.315, p=0.037) and sitosterol-to-cholesterol (r=0.237, p=0.092 and 0.322, p=0.034), whereas lanosterol (a marker for cholesterol synthesis) and its ratio to cholesterol correlated negatively with proliferation volumes and areas (p&lt;0.05; table). Moreover, 7-beta-OH-campesterol correlated positively with proliferation volumes and areas (p&lt;0.05, table). Also, the ratio of 7-beta-OH-campesterol-to-cholesterol correlated positively with proliferation volumes and areas (p&lt;0.1,; table), but did not reach significance in this relatively small sample size. Morevover, there was a positive association of the sum of all plant sterol oxides with In-stent restenosis (data not shown). Conclusions In this hypothesis-generating study, in-stent proliferation assessed by OCT at six months follow-up was positively associated with markers for cholesterol absorption and negatively associated with markers for cholesterol synthesis. Larger studies will have to evaluate whether patients with high cholesterol absorption might benefit in particular from combined-lipid-lowering therapy with a statin and a cholesterol absorption Inhibitor.</description><identifier>ISSN: 0195-668X</identifier><identifier>EISSN: 1522-9645</identifier><identifier>DOI: 10.1093/eurheartj/ehz746.0569</identifier><language>eng</language><publisher>Oxford University Press</publisher><ispartof>European heart journal, 2019-10, Vol.40 (Supplement_1)</ispartof><rights>Published on behalf of the European Society of Cardiology. All rights reserved. © The Author(s) 2019. For permissions, please email: journals.permissions@oup.com. 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1584,27924,27925</link.rule.ids></links><search><creatorcontrib>Otto, S</creatorcontrib><creatorcontrib>Luetjohann, D</creatorcontrib><creatorcontrib>Kerksiek, A</creatorcontrib><creatorcontrib>Friedrichs, S</creatorcontrib><creatorcontrib>Schulze, P C</creatorcontrib><creatorcontrib>Poerner, T C</creatorcontrib><creatorcontrib>Weingaertner, O</creatorcontrib><title>P5625Markers for cholesterol absorption are associated with In-stent-restenosis after coronary stenting in stable coronary artery disease: An Optical Coherence Tomography study</title><title>European heart journal</title><description>Abstract Background Plant sterols are suspected to exert atherosclerotic propensity. Modern drug-eluting stents are superior to bare metal stents but show a late catch up phenomenon for restenosis. Due to its superb resolution, optical coherence tomography (OCT) has the capability to identify and quantifiy very early patterns of in-stent proliferation. Studies have shown that in-stent neointimal proliferation is linked to late in-stent stenosis. Purpose This study aimed to analyze associations of plasma levels for markers of cholesterol homeostasis such as campesterol and sitosterol (markers for cholesterol absorption) as well as lanosterol (marker for cholesterol synthesis)and and their respective oxides with In-stent restenosis after stent deployment in stable coronary artery disease. Methods Plasma cholesterol was measured by gas chromatography-flame ionization detection. Plasma campesterol, sitosterol and lanosterol and their oxides were analyzed by gas chromatography-mass selective detection. In-stent proliferation (restenosis) was assessed after six months by OCT in 33 patients (21 males). A quantitative OCT algorithm was applied to each stent by steps of one mm and in-stent proliferation volumes and areas were calculated and normalized to stent length and area. In-stent proliferation can be measured by OCT as global volumes and focal areas. Results No clinically significant restenosis or angiographic restenosis of &gt;30% was observed at 6-month f/u. Mean cholesterol level was 166,5±62,8 mg/dl and positively correlated with proliferation volume/cm (r=0.316, p=0.037) and absolute median proliferation area (r=0.322, p=0.029). Absolute median proliferation area and relative median proliferation area correlated positively with markers for cholesterol absorption such as campesterol-to-cholesterol (r=0.277, p=0.07 and 0.315, p=0.037) and sitosterol-to-cholesterol (r=0.237, p=0.092 and 0.322, p=0.034), whereas lanosterol (a marker for cholesterol synthesis) and its ratio to cholesterol correlated negatively with proliferation volumes and areas (p&lt;0.05; table). Moreover, 7-beta-OH-campesterol correlated positively with proliferation volumes and areas (p&lt;0.05, table). Also, the ratio of 7-beta-OH-campesterol-to-cholesterol correlated positively with proliferation volumes and areas (p&lt;0.1,; table), but did not reach significance in this relatively small sample size. Morevover, there was a positive association of the sum of all plant sterol oxides with In-stent restenosis (data not shown). Conclusions In this hypothesis-generating study, in-stent proliferation assessed by OCT at six months follow-up was positively associated with markers for cholesterol absorption and negatively associated with markers for cholesterol synthesis. Larger studies will have to evaluate whether patients with high cholesterol absorption might benefit in particular from combined-lipid-lowering therapy with a statin and a cholesterol absorption Inhibitor.</description><issn>0195-668X</issn><issn>1522-9645</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqNkE1OwzAQhS0EEqVwBCRfIK3zYzdhV1X8VCoqiy7YRRNn3LikdmSnQuVUHBGHItiympHefG-eHiG3MZvErEineHANgut3U2w-ZpmYMC6KMzKKeZJEhcj4ORmxuOCREPnrJbnyfscYy0UsRuTzhYuEP4N7Q-epso7Kxrboe3S2pVB567peW0PBIQXvrdTQY03fdd_QpYnCoekjNwDGeu0pqIBSaZ014I70W9dmS7UJO1Qt_mkhMoZRa4_g8Y7ODV2HZxJaurANOjQS6cbu7dZB1wxeh_p4TS4UtB5vfuaYbB7uN4unaLV-XC7mq0jmsyLKEQRXPKlglrGKMcx4ns2UVEXFq5jXVS4UCJYlSaHSjNUiZ5WQGGOepWkKMh0TfrKVznrvUJWd0_uQuoxZObRe_rZenlovh9YDx06cPXT_RL4AXbmP4Q</recordid><startdate>20191001</startdate><enddate>20191001</enddate><creator>Otto, S</creator><creator>Luetjohann, D</creator><creator>Kerksiek, A</creator><creator>Friedrichs, S</creator><creator>Schulze, P C</creator><creator>Poerner, T C</creator><creator>Weingaertner, O</creator><general>Oxford University Press</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20191001</creationdate><title>P5625Markers for cholesterol absorption are associated with In-stent-restenosis after coronary stenting in stable coronary artery disease: An Optical Coherence Tomography study</title><author>Otto, S ; Luetjohann, D ; Kerksiek, A ; Friedrichs, S ; Schulze, P C ; Poerner, T C ; Weingaertner, O</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c879-8ea65f52ba740b00e45847fcf9b5b15db86fa604229f340d680b6ce1e84333ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Otto, S</creatorcontrib><creatorcontrib>Luetjohann, D</creatorcontrib><creatorcontrib>Kerksiek, A</creatorcontrib><creatorcontrib>Friedrichs, S</creatorcontrib><creatorcontrib>Schulze, P C</creatorcontrib><creatorcontrib>Poerner, T C</creatorcontrib><creatorcontrib>Weingaertner, O</creatorcontrib><collection>CrossRef</collection><jtitle>European heart journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Otto, S</au><au>Luetjohann, D</au><au>Kerksiek, A</au><au>Friedrichs, S</au><au>Schulze, P C</au><au>Poerner, T C</au><au>Weingaertner, O</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>P5625Markers for cholesterol absorption are associated with In-stent-restenosis after coronary stenting in stable coronary artery disease: An Optical Coherence Tomography study</atitle><jtitle>European heart journal</jtitle><date>2019-10-01</date><risdate>2019</risdate><volume>40</volume><issue>Supplement_1</issue><issn>0195-668X</issn><eissn>1522-9645</eissn><abstract>Abstract Background Plant sterols are suspected to exert atherosclerotic propensity. Modern drug-eluting stents are superior to bare metal stents but show a late catch up phenomenon for restenosis. Due to its superb resolution, optical coherence tomography (OCT) has the capability to identify and quantifiy very early patterns of in-stent proliferation. Studies have shown that in-stent neointimal proliferation is linked to late in-stent stenosis. Purpose This study aimed to analyze associations of plasma levels for markers of cholesterol homeostasis such as campesterol and sitosterol (markers for cholesterol absorption) as well as lanosterol (marker for cholesterol synthesis)and and their respective oxides with In-stent restenosis after stent deployment in stable coronary artery disease. Methods Plasma cholesterol was measured by gas chromatography-flame ionization detection. Plasma campesterol, sitosterol and lanosterol and their oxides were analyzed by gas chromatography-mass selective detection. In-stent proliferation (restenosis) was assessed after six months by OCT in 33 patients (21 males). A quantitative OCT algorithm was applied to each stent by steps of one mm and in-stent proliferation volumes and areas were calculated and normalized to stent length and area. In-stent proliferation can be measured by OCT as global volumes and focal areas. Results No clinically significant restenosis or angiographic restenosis of &gt;30% was observed at 6-month f/u. Mean cholesterol level was 166,5±62,8 mg/dl and positively correlated with proliferation volume/cm (r=0.316, p=0.037) and absolute median proliferation area (r=0.322, p=0.029). Absolute median proliferation area and relative median proliferation area correlated positively with markers for cholesterol absorption such as campesterol-to-cholesterol (r=0.277, p=0.07 and 0.315, p=0.037) and sitosterol-to-cholesterol (r=0.237, p=0.092 and 0.322, p=0.034), whereas lanosterol (a marker for cholesterol synthesis) and its ratio to cholesterol correlated negatively with proliferation volumes and areas (p&lt;0.05; table). Moreover, 7-beta-OH-campesterol correlated positively with proliferation volumes and areas (p&lt;0.05, table). Also, the ratio of 7-beta-OH-campesterol-to-cholesterol correlated positively with proliferation volumes and areas (p&lt;0.1,; table), but did not reach significance in this relatively small sample size. Morevover, there was a positive association of the sum of all plant sterol oxides with In-stent restenosis (data not shown). Conclusions In this hypothesis-generating study, in-stent proliferation assessed by OCT at six months follow-up was positively associated with markers for cholesterol absorption and negatively associated with markers for cholesterol synthesis. Larger studies will have to evaluate whether patients with high cholesterol absorption might benefit in particular from combined-lipid-lowering therapy with a statin and a cholesterol absorption Inhibitor.</abstract><pub>Oxford University Press</pub><doi>10.1093/eurheartj/ehz746.0569</doi></addata></record>
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title P5625Markers for cholesterol absorption are associated with In-stent-restenosis after coronary stenting in stable coronary artery disease: An Optical Coherence Tomography study
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