Impact of reduced left atrial functions on diagnosis of paroxysmal atrial fibrillation: Results from analysis of time-left atrial volume curve determined by two-dimensional speckle tracking
Summary Background Atrial fibrillation is commonly associated with impaired reservoir and booster functions of the left atrium (LA). Recent advances in two-dimensional speckle tracking technique (2DST) enabled automatic analysis of the time-LA volume curve representing these functions. Our objective...
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| Veröffentlicht in: | Journal of cardiology 2011-01, Vol.57 (1), p.89-94 |
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| creator | Mori, Mika, MD Kanzaki, Hideaki, MD Amaki, Makoto, MD Ohara, Takahiro, MD Hasegawa, Takuya, MD Takahama, Hiroyuki, MD Hashimura, Kazuhiko, MD Konno, Tetsuo, MD Hayashi, Kenshi, MD Yamagishi, Masakazu, MD, FJCC Kitakaze, Masafumi, MD, FJCC |
| description | Summary Background Atrial fibrillation is commonly associated with impaired reservoir and booster functions of the left atrium (LA). Recent advances in two-dimensional speckle tracking technique (2DST) enabled automatic analysis of the time-LA volume curve representing these functions. Our objective was to evaluate LA function in patients with or without paroxysmal atrial fibrillation (PAF) using 2DST. Methods We studied 111 patients (68 men, age 62 ± 16 years) with ( n = 53) or without ( n = 58) PAF. After constructing time-LA volume curves from the apical four and two chamber views (iE33, Philips with QLAB 6.0, Philips Medical Systems, Bothell, WA, USA), maximal LA volume (LAVmax), preatrial contraction LA volume (LAVpreA), and minimum LA volume (LAVmin) were obtained. Then, LA reservoir volume (ARV = LAVmax − LAVmin) and active emptying volume (AEV = LAVpreA − LAVmin) were calculated to determine ARV/LAVmax as reservoir function and AEV/LAVpreA as booster pump function. Results PAF was associated with greater LAVmax than that in controls (80 ± 21 ml versus 65 ± 16 ml, p < 0.001) and with reduced reservoir and booster functions (ARV/LAVmax 46 ± 9% versus 52 ± 7%; AEV/LAVpreA 29 ± 10% versus 36 ± 6%, p < 0.001). Multivariate logistic analysis demonstrated that ARV/LAVmax and AEV/LAVpreA were closely associated with the existence of PAF. Conclusion These results demonstrate that the present 2DST enables determining LA reservoir and booster functions, providing insights into the diagnosis of PAF. |
| doi_str_mv | 10.1016/j.jjcc.2010.08.006 |
| format | Article |
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Recent advances in two-dimensional speckle tracking technique (2DST) enabled automatic analysis of the time-LA volume curve representing these functions. Our objective was to evaluate LA function in patients with or without paroxysmal atrial fibrillation (PAF) using 2DST. Methods We studied 111 patients (68 men, age 62 ± 16 years) with ( n = 53) or without ( n = 58) PAF. After constructing time-LA volume curves from the apical four and two chamber views (iE33, Philips with QLAB 6.0, Philips Medical Systems, Bothell, WA, USA), maximal LA volume (LAVmax), preatrial contraction LA volume (LAVpreA), and minimum LA volume (LAVmin) were obtained. Then, LA reservoir volume (ARV = LAVmax − LAVmin) and active emptying volume (AEV = LAVpreA − LAVmin) were calculated to determine ARV/LAVmax as reservoir function and AEV/LAVpreA as booster pump function. Results PAF was associated with greater LAVmax than that in controls (80 ± 21 ml versus 65 ± 16 ml, p < 0.001) and with reduced reservoir and booster functions (ARV/LAVmax 46 ± 9% versus 52 ± 7%; AEV/LAVpreA 29 ± 10% versus 36 ± 6%, p < 0.001). Multivariate logistic analysis demonstrated that ARV/LAVmax and AEV/LAVpreA were closely associated with the existence of PAF. Conclusion These results demonstrate that the present 2DST enables determining LA reservoir and booster functions, providing insights into the diagnosis of PAF.</description><identifier>ISSN: 0914-5087</identifier><identifier>EISSN: 1876-4738</identifier><identifier>DOI: 10.1016/j.jjcc.2010.08.006</identifier><identifier>PMID: 20951554</identifier><language>eng</language><publisher>Netherlands: Elsevier Ltd</publisher><subject>Aged ; Atrial fibrillation ; Atrial Fibrillation - diagnosis ; Booster function ; Cardiovascular ; Echocardiography ; Echocardiography, Doppler - methods ; Female ; Heart Atria - anatomy & histology ; Heart Atria - physiopathology ; Humans ; Male ; Middle Aged ; Organ Size ; Reservoir function ; Speckle tracking method</subject><ispartof>Journal of cardiology, 2011-01, Vol.57 (1), p.89-94</ispartof><rights>Japanese College of Cardiology</rights><rights>2011 Japanese College of Cardiology</rights><rights>Copyright © 2011 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c573t-3181e6a945638ffc2b373c091c8b649f118bb9ff29ea372d36b15453039da96e3</citedby><cites>FETCH-LOGICAL-c573t-3181e6a945638ffc2b373c091c8b649f118bb9ff29ea372d36b15453039da96e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0914508710001747$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20951554$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mori, Mika, MD</creatorcontrib><creatorcontrib>Kanzaki, Hideaki, MD</creatorcontrib><creatorcontrib>Amaki, Makoto, MD</creatorcontrib><creatorcontrib>Ohara, Takahiro, MD</creatorcontrib><creatorcontrib>Hasegawa, Takuya, MD</creatorcontrib><creatorcontrib>Takahama, Hiroyuki, MD</creatorcontrib><creatorcontrib>Hashimura, Kazuhiko, MD</creatorcontrib><creatorcontrib>Konno, Tetsuo, MD</creatorcontrib><creatorcontrib>Hayashi, Kenshi, MD</creatorcontrib><creatorcontrib>Yamagishi, Masakazu, MD, FJCC</creatorcontrib><creatorcontrib>Kitakaze, Masafumi, MD, FJCC</creatorcontrib><title>Impact of reduced left atrial functions on diagnosis of paroxysmal atrial fibrillation: Results from analysis of time-left atrial volume curve determined by two-dimensional speckle tracking</title><title>Journal of cardiology</title><addtitle>J Cardiol</addtitle><description>Summary Background Atrial fibrillation is commonly associated with impaired reservoir and booster functions of the left atrium (LA). Recent advances in two-dimensional speckle tracking technique (2DST) enabled automatic analysis of the time-LA volume curve representing these functions. Our objective was to evaluate LA function in patients with or without paroxysmal atrial fibrillation (PAF) using 2DST. Methods We studied 111 patients (68 men, age 62 ± 16 years) with ( n = 53) or without ( n = 58) PAF. After constructing time-LA volume curves from the apical four and two chamber views (iE33, Philips with QLAB 6.0, Philips Medical Systems, Bothell, WA, USA), maximal LA volume (LAVmax), preatrial contraction LA volume (LAVpreA), and minimum LA volume (LAVmin) were obtained. Then, LA reservoir volume (ARV = LAVmax − LAVmin) and active emptying volume (AEV = LAVpreA − LAVmin) were calculated to determine ARV/LAVmax as reservoir function and AEV/LAVpreA as booster pump function. Results PAF was associated with greater LAVmax than that in controls (80 ± 21 ml versus 65 ± 16 ml, p < 0.001) and with reduced reservoir and booster functions (ARV/LAVmax 46 ± 9% versus 52 ± 7%; AEV/LAVpreA 29 ± 10% versus 36 ± 6%, p < 0.001). Multivariate logistic analysis demonstrated that ARV/LAVmax and AEV/LAVpreA were closely associated with the existence of PAF. Conclusion These results demonstrate that the present 2DST enables determining LA reservoir and booster functions, providing insights into the diagnosis of PAF.</description><subject>Aged</subject><subject>Atrial fibrillation</subject><subject>Atrial Fibrillation - diagnosis</subject><subject>Booster function</subject><subject>Cardiovascular</subject><subject>Echocardiography</subject><subject>Echocardiography, Doppler - methods</subject><subject>Female</subject><subject>Heart Atria - anatomy & histology</subject><subject>Heart Atria - physiopathology</subject><subject>Humans</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Organ Size</subject><subject>Reservoir function</subject><subject>Speckle tracking method</subject><issn>0914-5087</issn><issn>1876-4738</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9ks2KFDEUhQtRnHb0BVxIdq6qTSpVqUREGAZ_BgYEf9YhlboZUp1K2iTV2g_nu5mie0RcuAqE75zk3nOq6jnBW4IJezVtp0nrbYPLBeZbjNmDakN4z-q2p_xhtcGCtHWHeX9RPUlpKgAWnD2uLhosOtJ17ab6dTPvlc4oGBRhXDSMyIHJSOVolUNm8Trb4BMKHo1W3fmQbFrpvYrh5zHNBbpn7RCtc2rlX6PPkBaXEzIxzEh55Y5nYbYz1H-_cQhumQHpJR4AjZAhztaXfwxHlH-Eeiy8T8WzoGkPeucA5aj0zvq7p9Ujo1yCZ-fzsvr2_t3X64_17acPN9dXt7XuepprSjgBpkTbMcqN0c1Ae6rLdjQfWCsMIXwYhDGNAEX7ZqRsIF3bUUzFqAQDelm9PPnuY_i-QMpytklDGdZDWJLkDekEY6IvZHMidQwpRTByH-2s4lESLNfU5CTX1OSamsRcllCK6MXZfhlmGP9I7mMqwJsTAGXIg4Uok7bgS1o2gs5yDPb__m__kWtnvdXK7eAIaQpLLNtNksjUSCy_rL1Za0MwxqQvZfoNI7zCfA</recordid><startdate>20110101</startdate><enddate>20110101</enddate><creator>Mori, Mika, MD</creator><creator>Kanzaki, Hideaki, MD</creator><creator>Amaki, Makoto, MD</creator><creator>Ohara, Takahiro, MD</creator><creator>Hasegawa, Takuya, MD</creator><creator>Takahama, Hiroyuki, MD</creator><creator>Hashimura, Kazuhiko, MD</creator><creator>Konno, Tetsuo, MD</creator><creator>Hayashi, Kenshi, MD</creator><creator>Yamagishi, Masakazu, MD, FJCC</creator><creator>Kitakaze, Masafumi, MD, FJCC</creator><general>Elsevier Ltd</general><scope>6I.</scope><scope>AAFTH</scope><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>20110101</creationdate><title>Impact of reduced left atrial functions on diagnosis of paroxysmal atrial fibrillation: Results from analysis of time-left atrial volume curve determined by two-dimensional speckle tracking</title><author>Mori, Mika, MD ; Kanzaki, Hideaki, MD ; Amaki, Makoto, MD ; Ohara, Takahiro, MD ; Hasegawa, Takuya, MD ; Takahama, Hiroyuki, MD ; Hashimura, Kazuhiko, MD ; Konno, Tetsuo, MD ; Hayashi, Kenshi, MD ; Yamagishi, Masakazu, MD, FJCC ; Kitakaze, Masafumi, MD, FJCC</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c573t-3181e6a945638ffc2b373c091c8b649f118bb9ff29ea372d36b15453039da96e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Aged</topic><topic>Atrial fibrillation</topic><topic>Atrial Fibrillation - diagnosis</topic><topic>Booster function</topic><topic>Cardiovascular</topic><topic>Echocardiography</topic><topic>Echocardiography, Doppler - methods</topic><topic>Female</topic><topic>Heart Atria - anatomy & histology</topic><topic>Heart Atria - physiopathology</topic><topic>Humans</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Organ Size</topic><topic>Reservoir function</topic><topic>Speckle tracking method</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mori, Mika, MD</creatorcontrib><creatorcontrib>Kanzaki, Hideaki, MD</creatorcontrib><creatorcontrib>Amaki, Makoto, MD</creatorcontrib><creatorcontrib>Ohara, Takahiro, MD</creatorcontrib><creatorcontrib>Hasegawa, Takuya, MD</creatorcontrib><creatorcontrib>Takahama, Hiroyuki, MD</creatorcontrib><creatorcontrib>Hashimura, Kazuhiko, MD</creatorcontrib><creatorcontrib>Konno, Tetsuo, MD</creatorcontrib><creatorcontrib>Hayashi, Kenshi, MD</creatorcontrib><creatorcontrib>Yamagishi, Masakazu, MD, FJCC</creatorcontrib><creatorcontrib>Kitakaze, Masafumi, MD, FJCC</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><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>Journal of cardiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mori, Mika, MD</au><au>Kanzaki, Hideaki, MD</au><au>Amaki, Makoto, MD</au><au>Ohara, Takahiro, MD</au><au>Hasegawa, Takuya, MD</au><au>Takahama, Hiroyuki, MD</au><au>Hashimura, Kazuhiko, MD</au><au>Konno, Tetsuo, MD</au><au>Hayashi, Kenshi, MD</au><au>Yamagishi, Masakazu, MD, FJCC</au><au>Kitakaze, Masafumi, MD, FJCC</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of reduced left atrial functions on diagnosis of paroxysmal atrial fibrillation: Results from analysis of time-left atrial volume curve determined by two-dimensional speckle tracking</atitle><jtitle>Journal of cardiology</jtitle><addtitle>J Cardiol</addtitle><date>2011-01-01</date><risdate>2011</risdate><volume>57</volume><issue>1</issue><spage>89</spage><epage>94</epage><pages>89-94</pages><issn>0914-5087</issn><eissn>1876-4738</eissn><abstract>Summary Background Atrial fibrillation is commonly associated with impaired reservoir and booster functions of the left atrium (LA). Recent advances in two-dimensional speckle tracking technique (2DST) enabled automatic analysis of the time-LA volume curve representing these functions. Our objective was to evaluate LA function in patients with or without paroxysmal atrial fibrillation (PAF) using 2DST. Methods We studied 111 patients (68 men, age 62 ± 16 years) with ( n = 53) or without ( n = 58) PAF. After constructing time-LA volume curves from the apical four and two chamber views (iE33, Philips with QLAB 6.0, Philips Medical Systems, Bothell, WA, USA), maximal LA volume (LAVmax), preatrial contraction LA volume (LAVpreA), and minimum LA volume (LAVmin) were obtained. Then, LA reservoir volume (ARV = LAVmax − LAVmin) and active emptying volume (AEV = LAVpreA − LAVmin) were calculated to determine ARV/LAVmax as reservoir function and AEV/LAVpreA as booster pump function. Results PAF was associated with greater LAVmax than that in controls (80 ± 21 ml versus 65 ± 16 ml, p < 0.001) and with reduced reservoir and booster functions (ARV/LAVmax 46 ± 9% versus 52 ± 7%; AEV/LAVpreA 29 ± 10% versus 36 ± 6%, p < 0.001). Multivariate logistic analysis demonstrated that ARV/LAVmax and AEV/LAVpreA were closely associated with the existence of PAF. Conclusion These results demonstrate that the present 2DST enables determining LA reservoir and booster functions, providing insights into the diagnosis of PAF.</abstract><cop>Netherlands</cop><pub>Elsevier Ltd</pub><pmid>20951554</pmid><doi>10.1016/j.jjcc.2010.08.006</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aged Atrial fibrillation Atrial Fibrillation - diagnosis Booster function Cardiovascular Echocardiography Echocardiography, Doppler - methods Female Heart Atria - anatomy & histology Heart Atria - physiopathology Humans Male Middle Aged Organ Size Reservoir function Speckle tracking method |
| title | Impact of reduced left atrial functions on diagnosis of paroxysmal atrial fibrillation: Results from analysis of time-left atrial volume curve determined by two-dimensional speckle tracking |
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