Endocardial Surface Area Tracking for Assessment of Regional LV Wall Deformation With 3D Speckle Tracking Imaging
Objectives The aim of this experimental study was to validate area tracking by 3-dimensional (3D) speckle tracking imaging (STI) as a method to measure changes in regional left ventricular (LV) endocardial surface area with sonomicrometry and to assess the usefulness as a wall motion evaluation meth...
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| Veröffentlicht in: | JACC. Cardiovascular imaging 2011-04, Vol.4 (4), p.358-365 |
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| creator | Seo, Yoshihiro, MD Ishizu, Tomoko, MD Enomoto, Yoshiharu, MD Sugimori, Haruhiko, MD Aonuma, Kazutaka, MD |
| description | Objectives The aim of this experimental study was to validate area tracking by 3-dimensional (3D) speckle tracking imaging (STI) as a method to measure changes in regional left ventricular (LV) endocardial surface area with sonomicrometry and to assess the usefulness as a wall motion evaluation method compared with 1-dimensional strain parameters. Background A 3D-STI allows for tracking a regional endocardial surface area during a cardiac cycle. Area tracking is a new concept that regional wall motion is quantified through the magnitude of deformation in an endocardial surface area. Methods In each of 8 anesthetized sheep, sonomicrometry crystals were implanted on the endocardium at the LV mid and apical anterior walls. Area change ratio (ACR) that was a novel parameter obtained by area tracking was measured as percentage change in a segmental area during systole. Segmental longitudinal (LS) and circumferential strain (CS) also were measured by 3D-STI. The ACR, LS, and CS were compared with those by sonomicrometry at baseline and during pharmacological stress tests (dobutamine and propranolol infusion) and acute myocardial ischemia induced by occlusion of mid-left ascending artery. Results The strong correlation was observed between ACR measurements by 3D-STI and those by sonomicrometry (Y = −4.20 + 0.84X, r = 0.87, p < 0.001). The ACR showed significant relations with both LS and CS (LS: Y = −15.1 + 1.73X, r = 0.73, p < 0.001; CS: Y = −5.85 + 1.06X, r = 0.79, p < 0.001). ACR showed significant differences among baseline, pharmacological stress, and acute myocardial ischemia. In contrast, LS and CS were reduced significantly during acute ischemia studies compared with those during the other studies; no differences were observed among baseline, propranolol infusion, and dobutamine infusion studies. Conclusions Area tracking by 3D-STI can estimate changes in LV regional area and might be promising for regional wall motion evaluations. |
| doi_str_mv | 10.1016/j.jcmg.2010.12.007 |
| format | Article |
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Background A 3D-STI allows for tracking a regional endocardial surface area during a cardiac cycle. Area tracking is a new concept that regional wall motion is quantified through the magnitude of deformation in an endocardial surface area. Methods In each of 8 anesthetized sheep, sonomicrometry crystals were implanted on the endocardium at the LV mid and apical anterior walls. Area change ratio (ACR) that was a novel parameter obtained by area tracking was measured as percentage change in a segmental area during systole. Segmental longitudinal (LS) and circumferential strain (CS) also were measured by 3D-STI. The ACR, LS, and CS were compared with those by sonomicrometry at baseline and during pharmacological stress tests (dobutamine and propranolol infusion) and acute myocardial ischemia induced by occlusion of mid-left ascending artery. Results The strong correlation was observed between ACR measurements by 3D-STI and those by sonomicrometry (Y = −4.20 + 0.84X, r = 0.87, p < 0.001). The ACR showed significant relations with both LS and CS (LS: Y = −15.1 + 1.73X, r = 0.73, p < 0.001; CS: Y = −5.85 + 1.06X, r = 0.79, p < 0.001). ACR showed significant differences among baseline, pharmacological stress, and acute myocardial ischemia. In contrast, LS and CS were reduced significantly during acute ischemia studies compared with those during the other studies; no differences were observed among baseline, propranolol infusion, and dobutamine infusion studies. Conclusions Area tracking by 3D-STI can estimate changes in LV regional area and might be promising for regional wall motion evaluations.</description><identifier>ISSN: 1936-878X</identifier><identifier>EISSN: 1876-7591</identifier><identifier>DOI: 10.1016/j.jcmg.2010.12.007</identifier><identifier>PMID: 21492810</identifier><language>eng</language><publisher>United States</publisher><subject>Adrenergic beta-1 Receptor Agonists - administration & dosage ; Adrenergic beta-Antagonists - administration & dosage ; Algorithms ; Animals ; Cardiovascular ; Disease Models, Animal ; Dobutamine - administration & dosage ; Echocardiography, Three-Dimensional ; Endocardium - diagnostic imaging ; Endocardium - drug effects ; Endocardium - physiopathology ; Feasibility Studies ; Image Interpretation, Computer-Assisted ; Infusions, Intravenous ; Male ; Myocardial Contraction - drug effects ; Myocardial Ischemia - diagnostic imaging ; Myocardial Ischemia - physiopathology ; Observer Variation ; Predictive Value of Tests ; Propranolol - administration & dosage ; Reproducibility of Results ; Sheep ; Ventricular Function, Left - drug effects</subject><ispartof>JACC. Cardiovascular imaging, 2011-04, Vol.4 (4), p.358-365</ispartof><rights>American College of Cardiology Foundation</rights><rights>Copyright © 2011 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c357t-90547df51a8e3afa48be98c1bca3278b93db47b0467398bbb99b164adfdd6f273</citedby><cites>FETCH-LOGICAL-c357t-90547df51a8e3afa48be98c1bca3278b93db47b0467398bbb99b164adfdd6f273</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21492810$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Seo, Yoshihiro, MD</creatorcontrib><creatorcontrib>Ishizu, Tomoko, MD</creatorcontrib><creatorcontrib>Enomoto, Yoshiharu, MD</creatorcontrib><creatorcontrib>Sugimori, Haruhiko, MD</creatorcontrib><creatorcontrib>Aonuma, Kazutaka, MD</creatorcontrib><title>Endocardial Surface Area Tracking for Assessment of Regional LV Wall Deformation With 3D Speckle Tracking Imaging</title><title>JACC. Cardiovascular imaging</title><addtitle>JACC Cardiovasc Imaging</addtitle><description>Objectives The aim of this experimental study was to validate area tracking by 3-dimensional (3D) speckle tracking imaging (STI) as a method to measure changes in regional left ventricular (LV) endocardial surface area with sonomicrometry and to assess the usefulness as a wall motion evaluation method compared with 1-dimensional strain parameters. Background A 3D-STI allows for tracking a regional endocardial surface area during a cardiac cycle. Area tracking is a new concept that regional wall motion is quantified through the magnitude of deformation in an endocardial surface area. Methods In each of 8 anesthetized sheep, sonomicrometry crystals were implanted on the endocardium at the LV mid and apical anterior walls. Area change ratio (ACR) that was a novel parameter obtained by area tracking was measured as percentage change in a segmental area during systole. Segmental longitudinal (LS) and circumferential strain (CS) also were measured by 3D-STI. The ACR, LS, and CS were compared with those by sonomicrometry at baseline and during pharmacological stress tests (dobutamine and propranolol infusion) and acute myocardial ischemia induced by occlusion of mid-left ascending artery. Results The strong correlation was observed between ACR measurements by 3D-STI and those by sonomicrometry (Y = −4.20 + 0.84X, r = 0.87, p < 0.001). The ACR showed significant relations with both LS and CS (LS: Y = −15.1 + 1.73X, r = 0.73, p < 0.001; CS: Y = −5.85 + 1.06X, r = 0.79, p < 0.001). ACR showed significant differences among baseline, pharmacological stress, and acute myocardial ischemia. In contrast, LS and CS were reduced significantly during acute ischemia studies compared with those during the other studies; no differences were observed among baseline, propranolol infusion, and dobutamine infusion studies. Conclusions Area tracking by 3D-STI can estimate changes in LV regional area and might be promising for regional wall motion evaluations.</description><subject>Adrenergic beta-1 Receptor Agonists - administration & dosage</subject><subject>Adrenergic beta-Antagonists - administration & dosage</subject><subject>Algorithms</subject><subject>Animals</subject><subject>Cardiovascular</subject><subject>Disease Models, Animal</subject><subject>Dobutamine - administration & dosage</subject><subject>Echocardiography, Three-Dimensional</subject><subject>Endocardium - diagnostic imaging</subject><subject>Endocardium - drug effects</subject><subject>Endocardium - physiopathology</subject><subject>Feasibility Studies</subject><subject>Image Interpretation, Computer-Assisted</subject><subject>Infusions, Intravenous</subject><subject>Male</subject><subject>Myocardial Contraction - drug effects</subject><subject>Myocardial Ischemia - diagnostic imaging</subject><subject>Myocardial Ischemia - physiopathology</subject><subject>Observer Variation</subject><subject>Predictive Value of Tests</subject><subject>Propranolol - administration & dosage</subject><subject>Reproducibility of Results</subject><subject>Sheep</subject><subject>Ventricular Function, Left - drug effects</subject><issn>1936-878X</issn><issn>1876-7591</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkUtv1DAUhSMEoqXwB1gg71hl8CPjxwZp1BaoNBISUyg7y3auB2ecZGonlfrvcTSlrO7V1TlHut-pqvcErwgm_FO36ly_X1G8HOgKY_GiOidS8FqsFXlZdsV4LYX8fVa9ybnDmGPeiNfVGSWNopLg8-r-emhHZ1IbTES7OXnjAG0SGHSbjDuEYY_8mNAmZ8i5h2FCo0c_YB_GoRi2v9CdiRFdQRH1ZipXdBemP4hdod0R3CHC_5yb3uzLfFu98iZmePc0L6qfX65vL7_V2-9fby4329qxtZhqhdeNaP2aGAnMeNNIC0o6Yp1hVEirWGsbYXHDBVPSWquUJbwxrW9b7qlgF9XHU-4xjfcz5En3ITuI0QwwzllLTqkgQrGipCelS2POCbw-ptCb9KgJ1gtp3emFtF5Ia0J1IV1MH57iZ9tD-2z5h7YIPp8EUJ58CJC0i2EIzsQDPELuxjkVhFkTnUui3i1lLV0RgktRirO_u3uQdw</recordid><startdate>20110401</startdate><enddate>20110401</enddate><creator>Seo, Yoshihiro, MD</creator><creator>Ishizu, Tomoko, MD</creator><creator>Enomoto, Yoshiharu, MD</creator><creator>Sugimori, Haruhiko, MD</creator><creator>Aonuma, Kazutaka, MD</creator><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></search><sort><creationdate>20110401</creationdate><title>Endocardial Surface Area Tracking for Assessment of Regional LV Wall Deformation With 3D Speckle Tracking Imaging</title><author>Seo, Yoshihiro, MD ; Ishizu, Tomoko, MD ; Enomoto, Yoshiharu, MD ; Sugimori, Haruhiko, MD ; Aonuma, Kazutaka, MD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c357t-90547df51a8e3afa48be98c1bca3278b93db47b0467398bbb99b164adfdd6f273</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Adrenergic beta-1 Receptor Agonists - administration & dosage</topic><topic>Adrenergic beta-Antagonists - administration & dosage</topic><topic>Algorithms</topic><topic>Animals</topic><topic>Cardiovascular</topic><topic>Disease Models, Animal</topic><topic>Dobutamine - administration & dosage</topic><topic>Echocardiography, Three-Dimensional</topic><topic>Endocardium - diagnostic imaging</topic><topic>Endocardium - drug effects</topic><topic>Endocardium - physiopathology</topic><topic>Feasibility Studies</topic><topic>Image Interpretation, Computer-Assisted</topic><topic>Infusions, Intravenous</topic><topic>Male</topic><topic>Myocardial Contraction - drug effects</topic><topic>Myocardial Ischemia - diagnostic imaging</topic><topic>Myocardial Ischemia - physiopathology</topic><topic>Observer Variation</topic><topic>Predictive Value of Tests</topic><topic>Propranolol - administration & dosage</topic><topic>Reproducibility of Results</topic><topic>Sheep</topic><topic>Ventricular Function, Left - drug effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seo, Yoshihiro, MD</creatorcontrib><creatorcontrib>Ishizu, Tomoko, MD</creatorcontrib><creatorcontrib>Enomoto, Yoshiharu, MD</creatorcontrib><creatorcontrib>Sugimori, Haruhiko, MD</creatorcontrib><creatorcontrib>Aonuma, Kazutaka, MD</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>JACC. Cardiovascular imaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seo, Yoshihiro, MD</au><au>Ishizu, Tomoko, MD</au><au>Enomoto, Yoshiharu, MD</au><au>Sugimori, Haruhiko, MD</au><au>Aonuma, Kazutaka, MD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Endocardial Surface Area Tracking for Assessment of Regional LV Wall Deformation With 3D Speckle Tracking Imaging</atitle><jtitle>JACC. Cardiovascular imaging</jtitle><addtitle>JACC Cardiovasc Imaging</addtitle><date>2011-04-01</date><risdate>2011</risdate><volume>4</volume><issue>4</issue><spage>358</spage><epage>365</epage><pages>358-365</pages><issn>1936-878X</issn><eissn>1876-7591</eissn><abstract>Objectives The aim of this experimental study was to validate area tracking by 3-dimensional (3D) speckle tracking imaging (STI) as a method to measure changes in regional left ventricular (LV) endocardial surface area with sonomicrometry and to assess the usefulness as a wall motion evaluation method compared with 1-dimensional strain parameters. Background A 3D-STI allows for tracking a regional endocardial surface area during a cardiac cycle. Area tracking is a new concept that regional wall motion is quantified through the magnitude of deformation in an endocardial surface area. Methods In each of 8 anesthetized sheep, sonomicrometry crystals were implanted on the endocardium at the LV mid and apical anterior walls. Area change ratio (ACR) that was a novel parameter obtained by area tracking was measured as percentage change in a segmental area during systole. Segmental longitudinal (LS) and circumferential strain (CS) also were measured by 3D-STI. The ACR, LS, and CS were compared with those by sonomicrometry at baseline and during pharmacological stress tests (dobutamine and propranolol infusion) and acute myocardial ischemia induced by occlusion of mid-left ascending artery. Results The strong correlation was observed between ACR measurements by 3D-STI and those by sonomicrometry (Y = −4.20 + 0.84X, r = 0.87, p < 0.001). The ACR showed significant relations with both LS and CS (LS: Y = −15.1 + 1.73X, r = 0.73, p < 0.001; CS: Y = −5.85 + 1.06X, r = 0.79, p < 0.001). ACR showed significant differences among baseline, pharmacological stress, and acute myocardial ischemia. In contrast, LS and CS were reduced significantly during acute ischemia studies compared with those during the other studies; no differences were observed among baseline, propranolol infusion, and dobutamine infusion studies. Conclusions Area tracking by 3D-STI can estimate changes in LV regional area and might be promising for regional wall motion evaluations.</abstract><cop>United States</cop><pmid>21492810</pmid><doi>10.1016/j.jcmg.2010.12.007</doi><tpages>8</tpages></addata></record> |
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| subjects | Adrenergic beta-1 Receptor Agonists - administration & dosage Adrenergic beta-Antagonists - administration & dosage Algorithms Animals Cardiovascular Disease Models, Animal Dobutamine - administration & dosage Echocardiography, Three-Dimensional Endocardium - diagnostic imaging Endocardium - drug effects Endocardium - physiopathology Feasibility Studies Image Interpretation, Computer-Assisted Infusions, Intravenous Male Myocardial Contraction - drug effects Myocardial Ischemia - diagnostic imaging Myocardial Ischemia - physiopathology Observer Variation Predictive Value of Tests Propranolol - administration & dosage Reproducibility of Results Sheep Ventricular Function, Left - drug effects |
| title | Endocardial Surface Area Tracking for Assessment of Regional LV Wall Deformation With 3D Speckle Tracking Imaging |
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