Ultrafast nuclear myocardial perfusion imaging on a new gamma camera with semiconductor detector technique: first clinical validation

Purpose To assess the diagnostic performance of a novel ultrafast cardiac gamma camera with cadmium-zinc-telluride (CZT) solid-state semiconductor detectors for nuclear myocardial perfusion imaging (MPI). Methods The study group comprised 75 consecutive patients (55 men, BMI range 19–45 kg/m 2 ) who...

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Veröffentlicht in:European journal of nuclear medicine and molecular imaging 2010-04, Vol.37 (4), p.773-778
Hauptverfasser: Buechel, Ronny R., Herzog, Bernhard A., Husmann, Lars, Burger, Irene A., Pazhenkottil, Aju P., Treyer, Valerie, Valenta, Ines, von Schulthess, Patrick, Nkoulou, René, Wyss, Christophe A., Kaufmann, Philipp A.
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container_issue 4
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container_title European journal of nuclear medicine and molecular imaging
container_volume 37
creator Buechel, Ronny R.
Herzog, Bernhard A.
Husmann, Lars
Burger, Irene A.
Pazhenkottil, Aju P.
Treyer, Valerie
Valenta, Ines
von Schulthess, Patrick
Nkoulou, René
Wyss, Christophe A.
Kaufmann, Philipp A.
description Purpose To assess the diagnostic performance of a novel ultrafast cardiac gamma camera with cadmium-zinc-telluride (CZT) solid-state semiconductor detectors for nuclear myocardial perfusion imaging (MPI). Methods The study group comprised 75 consecutive patients (55 men, BMI range 19–45 kg/m 2 ) who underwent a 1-day 99m Tc-tetrofosmin adenosine-stress/rest imaging protocol. Scanning was performed first on a conventional dual-detector SPECT gamma camera (Ventri, GE Healthcare) with a 15-min acquisition time each for stress and rest. All scans were immediately repeated on an ultrafast CZT camera (Discovery 530 NMc, GE Healthcare) with a 3-min scan time for stress and a 2-min scan time for rest. Clinical agreement (normal, ischaemia, scar) between CZT and SPECT was assessed for each patient and for each coronary territory using SPECT MPI as the reference standard. Segmental myocardial tracer uptake values (percent of maximum) using a 20-segment model and left ventricular ejection fraction (EF) values obtained using CZT were compared with those obtained using conventional SPECT by intraclass correlation and by calculating Bland-Altman limits of agreement. Results There was excellent clinical agreement between CZT and conventional SPECT on a per-patient basis (96.0%) and on a per-vessel territory basis (96.4%) as shown by a highly significant correlation between segmental tracer uptake values ( r =0.901, p
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Methods The study group comprised 75 consecutive patients (55 men, BMI range 19–45 kg/m 2 ) who underwent a 1-day 99m Tc-tetrofosmin adenosine-stress/rest imaging protocol. Scanning was performed first on a conventional dual-detector SPECT gamma camera (Ventri, GE Healthcare) with a 15-min acquisition time each for stress and rest. All scans were immediately repeated on an ultrafast CZT camera (Discovery 530 NMc, GE Healthcare) with a 3-min scan time for stress and a 2-min scan time for rest. Clinical agreement (normal, ischaemia, scar) between CZT and SPECT was assessed for each patient and for each coronary territory using SPECT MPI as the reference standard. Segmental myocardial tracer uptake values (percent of maximum) using a 20-segment model and left ventricular ejection fraction (EF) values obtained using CZT were compared with those obtained using conventional SPECT by intraclass correlation and by calculating Bland-Altman limits of agreement. Results There was excellent clinical agreement between CZT and conventional SPECT on a per-patient basis (96.0%) and on a per-vessel territory basis (96.4%) as shown by a highly significant correlation between segmental tracer uptake values ( r =0.901, p &lt;0.001). Similarly, EF values for both scanners were highly correlated ( r =0.976, p &lt;0.001) with narrow Bland-Altman limits of agreement (−5.5–10.6%). Conclusion The novel CZT camera allows a more than fivefold reduction in scan time and provides clinical information equivalent to conventional standard SPECT MPI.</description><identifier>ISSN: 1619-7070</identifier><identifier>EISSN: 1619-7089</identifier><identifier>DOI: 10.1007/s00259-009-1375-7</identifier><identifier>PMID: 20107783</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Adenosine ; Adult ; Aged ; Aged, 80 and over ; Cadmium ; Cardiology ; Clinical trials ; Equipment Design ; Exercise Test ; Female ; Gamma Cameras ; Heart - diagnostic imaging ; Humans ; Imaging ; Male ; Medicine ; Medicine &amp; Public Health ; Middle Aged ; Myocardial Perfusion Imaging - instrumentation ; Myocardial Perfusion Imaging - methods ; NMR ; Nuclear magnetic resonance ; Nuclear Medicine ; Observer Variation ; Oncology ; Organophosphorus Compounds ; Organotechnetium Compounds ; Original Article ; Orthopedics ; Radiology ; Radiopharmaceuticals ; Semiconductors ; Single-Blind Method ; Tellurium ; Time Factors ; Tomography, Emission-Computed, Single-Photon - instrumentation ; Zinc</subject><ispartof>European journal of nuclear medicine and molecular imaging, 2010-04, Vol.37 (4), p.773-778</ispartof><rights>Springer-Verlag 2009</rights><rights>Springer-Verlag 2010</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c445t-58403e73af88f010df32320f5c2d77e8403826b1627d1762d000d895e90613083</citedby><cites>FETCH-LOGICAL-c445t-58403e73af88f010df32320f5c2d77e8403826b1627d1762d000d895e90613083</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00259-009-1375-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00259-009-1375-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20107783$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Buechel, Ronny R.</creatorcontrib><creatorcontrib>Herzog, Bernhard A.</creatorcontrib><creatorcontrib>Husmann, Lars</creatorcontrib><creatorcontrib>Burger, Irene A.</creatorcontrib><creatorcontrib>Pazhenkottil, Aju P.</creatorcontrib><creatorcontrib>Treyer, Valerie</creatorcontrib><creatorcontrib>Valenta, Ines</creatorcontrib><creatorcontrib>von Schulthess, Patrick</creatorcontrib><creatorcontrib>Nkoulou, René</creatorcontrib><creatorcontrib>Wyss, Christophe A.</creatorcontrib><creatorcontrib>Kaufmann, Philipp A.</creatorcontrib><title>Ultrafast nuclear myocardial perfusion imaging on a new gamma camera with semiconductor detector technique: first clinical validation</title><title>European journal of nuclear medicine and molecular imaging</title><addtitle>Eur J Nucl Med Mol Imaging</addtitle><addtitle>Eur J Nucl Med Mol Imaging</addtitle><description>Purpose To assess the diagnostic performance of a novel ultrafast cardiac gamma camera with cadmium-zinc-telluride (CZT) solid-state semiconductor detectors for nuclear myocardial perfusion imaging (MPI). Methods The study group comprised 75 consecutive patients (55 men, BMI range 19–45 kg/m 2 ) who underwent a 1-day 99m Tc-tetrofosmin adenosine-stress/rest imaging protocol. Scanning was performed first on a conventional dual-detector SPECT gamma camera (Ventri, GE Healthcare) with a 15-min acquisition time each for stress and rest. All scans were immediately repeated on an ultrafast CZT camera (Discovery 530 NMc, GE Healthcare) with a 3-min scan time for stress and a 2-min scan time for rest. Clinical agreement (normal, ischaemia, scar) between CZT and SPECT was assessed for each patient and for each coronary territory using SPECT MPI as the reference standard. Segmental myocardial tracer uptake values (percent of maximum) using a 20-segment model and left ventricular ejection fraction (EF) values obtained using CZT were compared with those obtained using conventional SPECT by intraclass correlation and by calculating Bland-Altman limits of agreement. Results There was excellent clinical agreement between CZT and conventional SPECT on a per-patient basis (96.0%) and on a per-vessel territory basis (96.4%) as shown by a highly significant correlation between segmental tracer uptake values ( r =0.901, p &lt;0.001). Similarly, EF values for both scanners were highly correlated ( r =0.976, p &lt;0.001) with narrow Bland-Altman limits of agreement (−5.5–10.6%). 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Methods The study group comprised 75 consecutive patients (55 men, BMI range 19–45 kg/m 2 ) who underwent a 1-day 99m Tc-tetrofosmin adenosine-stress/rest imaging protocol. Scanning was performed first on a conventional dual-detector SPECT gamma camera (Ventri, GE Healthcare) with a 15-min acquisition time each for stress and rest. All scans were immediately repeated on an ultrafast CZT camera (Discovery 530 NMc, GE Healthcare) with a 3-min scan time for stress and a 2-min scan time for rest. Clinical agreement (normal, ischaemia, scar) between CZT and SPECT was assessed for each patient and for each coronary territory using SPECT MPI as the reference standard. Segmental myocardial tracer uptake values (percent of maximum) using a 20-segment model and left ventricular ejection fraction (EF) values obtained using CZT were compared with those obtained using conventional SPECT by intraclass correlation and by calculating Bland-Altman limits of agreement. Results There was excellent clinical agreement between CZT and conventional SPECT on a per-patient basis (96.0%) and on a per-vessel territory basis (96.4%) as shown by a highly significant correlation between segmental tracer uptake values ( r =0.901, p &lt;0.001). Similarly, EF values for both scanners were highly correlated ( r =0.976, p &lt;0.001) with narrow Bland-Altman limits of agreement (−5.5–10.6%). Conclusion The novel CZT camera allows a more than fivefold reduction in scan time and provides clinical information equivalent to conventional standard SPECT MPI.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>20107783</pmid><doi>10.1007/s00259-009-1375-7</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Adenosine
Adult
Aged
Aged, 80 and over
Cadmium
Cardiology
Clinical trials
Equipment Design
Exercise Test
Female
Gamma Cameras
Heart - diagnostic imaging
Humans
Imaging
Male
Medicine
Medicine & Public Health
Middle Aged
Myocardial Perfusion Imaging - instrumentation
Myocardial Perfusion Imaging - methods
NMR
Nuclear magnetic resonance
Nuclear Medicine
Observer Variation
Oncology
Organophosphorus Compounds
Organotechnetium Compounds
Original Article
Orthopedics
Radiology
Radiopharmaceuticals
Semiconductors
Single-Blind Method
Tellurium
Time Factors
Tomography, Emission-Computed, Single-Photon - instrumentation
Zinc
title Ultrafast nuclear myocardial perfusion imaging on a new gamma camera with semiconductor detector technique: first clinical validation
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