Dynamic abdominal and thoracic aortomyoplasty in heart failure: assessment of counterpulsation
Background. Aortic counterpulsation, either biologic or mechanical, is a useful technique to support circulation during left ventricular dysfunction. Methods. In this study we used an induced cardiac failure model in acute open chest sheep to compare hemodynamic improvements between thoracic and abd...
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Veröffentlicht in: | The Annals of thoracic surgery 1999-04, Vol.67 (4), p.1022-1029 |
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creator | Cabrera Fischer, Edmundo I Christen, Alejandra I de Forteza, Eduardo Risk, Marcelo R |
description | Background. Aortic counterpulsation, either biologic or mechanical, is a useful technique to support circulation during left ventricular dysfunction.
Methods. In this study we used an induced cardiac failure model in acute open chest sheep to compare hemodynamic improvements between thoracic and abdominal aortic counterpulsation. This was achieved with left latissimus dorsi and left hemidiaphragm muscle flaps.
Results. Thoracic and abdominal aortic counterpulsation in heart failure resulted in a significant improvement of hemodynamic parameters. Subendocardial viability index, defined as diastolic pressure-time index to systolic tension-time index, in thoracic and abdominal aortomyoplasty showed significant improvement (p < 0.05) when cardiac assistance was performed by electrical stimulation of each muscle flap. A new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve was tested, obtaining a correlation coefficient with the subendocardial viability index of 0.758 (p < 0.001). Values of subendocardial viability index and counterpulsation index showed minimal variability.
Conclusions. Treatment of experimentally induced cardiac failure with dynamic abdominal aortic counterpulsation allows an effective hemodynamic improvement in open chest sheep. Furthermore, this diastolic arterial pressure augmentation could be evaluated through a new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve. |
doi_str_mv | 10.1016/S0003-4975(99)00159-9 |
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Methods. In this study we used an induced cardiac failure model in acute open chest sheep to compare hemodynamic improvements between thoracic and abdominal aortic counterpulsation. This was achieved with left latissimus dorsi and left hemidiaphragm muscle flaps.
Results. Thoracic and abdominal aortic counterpulsation in heart failure resulted in a significant improvement of hemodynamic parameters. Subendocardial viability index, defined as diastolic pressure-time index to systolic tension-time index, in thoracic and abdominal aortomyoplasty showed significant improvement (p < 0.05) when cardiac assistance was performed by electrical stimulation of each muscle flap. A new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve was tested, obtaining a correlation coefficient with the subendocardial viability index of 0.758 (p < 0.001). Values of subendocardial viability index and counterpulsation index showed minimal variability.
Conclusions. Treatment of experimentally induced cardiac failure with dynamic abdominal aortic counterpulsation allows an effective hemodynamic improvement in open chest sheep. Furthermore, this diastolic arterial pressure augmentation could be evaluated through a new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve.</description><identifier>ISSN: 0003-4975</identifier><identifier>EISSN: 1552-6259</identifier><identifier>DOI: 10.1016/S0003-4975(99)00159-9</identifier><identifier>PMID: 10320246</identifier><identifier>CODEN: ATHSAK</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Animals ; Aorta, Abdominal - surgery ; Aorta, Thoracic - surgery ; Biological and medical sciences ; Counterpulsation - methods ; Emergency and intensive cardiocirculatory care. Cardiogenic shock. Coronary intensive care ; Heart Failure - therapy ; Hemodynamics ; Intensive care medicine ; Medical sciences ; Muscle, Skeletal - transplantation ; Sheep ; Surgical Flaps ; Tropical medicine</subject><ispartof>The Annals of thoracic surgery, 1999-04, Vol.67 (4), p.1022-1029</ispartof><rights>1999 The Society of Thoracic Surgeons</rights><rights>1999 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c426t-a85c8ae0b6617cd2bec20eae5c9adea54b3947a518c2c51caef9856eec580c563</citedby><cites>FETCH-LOGICAL-c426t-a85c8ae0b6617cd2bec20eae5c9adea54b3947a518c2c51caef9856eec580c563</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0003-4975(99)00159-9$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1774881$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10320246$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cabrera Fischer, Edmundo I</creatorcontrib><creatorcontrib>Christen, Alejandra I</creatorcontrib><creatorcontrib>de Forteza, Eduardo</creatorcontrib><creatorcontrib>Risk, Marcelo R</creatorcontrib><title>Dynamic abdominal and thoracic aortomyoplasty in heart failure: assessment of counterpulsation</title><title>The Annals of thoracic surgery</title><addtitle>Ann Thorac Surg</addtitle><description>Background. Aortic counterpulsation, either biologic or mechanical, is a useful technique to support circulation during left ventricular dysfunction.
Methods. In this study we used an induced cardiac failure model in acute open chest sheep to compare hemodynamic improvements between thoracic and abdominal aortic counterpulsation. This was achieved with left latissimus dorsi and left hemidiaphragm muscle flaps.
Results. Thoracic and abdominal aortic counterpulsation in heart failure resulted in a significant improvement of hemodynamic parameters. Subendocardial viability index, defined as diastolic pressure-time index to systolic tension-time index, in thoracic and abdominal aortomyoplasty showed significant improvement (p < 0.05) when cardiac assistance was performed by electrical stimulation of each muscle flap. A new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve was tested, obtaining a correlation coefficient with the subendocardial viability index of 0.758 (p < 0.001). Values of subendocardial viability index and counterpulsation index showed minimal variability.
Conclusions. Treatment of experimentally induced cardiac failure with dynamic abdominal aortic counterpulsation allows an effective hemodynamic improvement in open chest sheep. Furthermore, this diastolic arterial pressure augmentation could be evaluated through a new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve.</description><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Animals</subject><subject>Aorta, Abdominal - surgery</subject><subject>Aorta, Thoracic - surgery</subject><subject>Biological and medical sciences</subject><subject>Counterpulsation - methods</subject><subject>Emergency and intensive cardiocirculatory care. Cardiogenic shock. Coronary intensive care</subject><subject>Heart Failure - therapy</subject><subject>Hemodynamics</subject><subject>Intensive care medicine</subject><subject>Medical sciences</subject><subject>Muscle, Skeletal - transplantation</subject><subject>Sheep</subject><subject>Surgical Flaps</subject><subject>Tropical medicine</subject><issn>0003-4975</issn><issn>1552-6259</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtv1DAQgC0EotvCTwD5gFA5pNhO7MS9IFRelSpxAK5Yk8lENUrsxXaQ9t-T7a6gt55GM_PNQx9jL6S4kEKat9-EEHXV2FafW_tGCKltZR-xjdRaVUZp-5ht_iEn7DTnX2uq1vZTdiJFrYRqzIb9_LALMHvk0A9x9gEmDmHg5TYmwH05phLnXdxOkMuO-8BvCVLhI_hpSXTJIWfKeaZQeBw5xiUUSttlylB8DM_YkxGmTM-P8Yz9-PTx-9WX6ubr5-ur9zcVNsqUCjqNHZDojZEtDqonVIKANFoYCHTT17ZpQcsOFWqJQKPttCFC3QnUpj5jrw97tyn-XigXN_uMNE0QKC7ZGds2Sth6BfUBxBRzTjS6bfIzpJ2Twu3Fujuxbm_NWevuxDq7zr08Hlj6mYZ7UweTK_DqCEBGmMYEAX3-z7Vt03Vyxd4dMFpt_PGUXEZPAWnwibC4IfoHPvkLBQWXaQ</recordid><startdate>19990401</startdate><enddate>19990401</enddate><creator>Cabrera Fischer, Edmundo I</creator><creator>Christen, Alejandra I</creator><creator>de Forteza, Eduardo</creator><creator>Risk, Marcelo R</creator><general>Elsevier Inc</general><general>Elsevier Science</general><scope>IQODW</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>19990401</creationdate><title>Dynamic abdominal and thoracic aortomyoplasty in heart failure: assessment of counterpulsation</title><author>Cabrera Fischer, Edmundo I ; Christen, Alejandra I ; de Forteza, Eduardo ; Risk, Marcelo R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c426t-a85c8ae0b6617cd2bec20eae5c9adea54b3947a518c2c51caef9856eec580c563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Animals</topic><topic>Aorta, Abdominal - surgery</topic><topic>Aorta, Thoracic - surgery</topic><topic>Biological and medical sciences</topic><topic>Counterpulsation - methods</topic><topic>Emergency and intensive cardiocirculatory care. Cardiogenic shock. Coronary intensive care</topic><topic>Heart Failure - therapy</topic><topic>Hemodynamics</topic><topic>Intensive care medicine</topic><topic>Medical sciences</topic><topic>Muscle, Skeletal - transplantation</topic><topic>Sheep</topic><topic>Surgical Flaps</topic><topic>Tropical medicine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cabrera Fischer, Edmundo I</creatorcontrib><creatorcontrib>Christen, Alejandra I</creatorcontrib><creatorcontrib>de Forteza, Eduardo</creatorcontrib><creatorcontrib>Risk, Marcelo R</creatorcontrib><collection>Pascal-Francis</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>The Annals of thoracic surgery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cabrera Fischer, Edmundo I</au><au>Christen, Alejandra I</au><au>de Forteza, Eduardo</au><au>Risk, Marcelo R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dynamic abdominal and thoracic aortomyoplasty in heart failure: assessment of counterpulsation</atitle><jtitle>The Annals of thoracic surgery</jtitle><addtitle>Ann Thorac Surg</addtitle><date>1999-04-01</date><risdate>1999</risdate><volume>67</volume><issue>4</issue><spage>1022</spage><epage>1029</epage><pages>1022-1029</pages><issn>0003-4975</issn><eissn>1552-6259</eissn><coden>ATHSAK</coden><abstract>Background. Aortic counterpulsation, either biologic or mechanical, is a useful technique to support circulation during left ventricular dysfunction.
Methods. In this study we used an induced cardiac failure model in acute open chest sheep to compare hemodynamic improvements between thoracic and abdominal aortic counterpulsation. This was achieved with left latissimus dorsi and left hemidiaphragm muscle flaps.
Results. Thoracic and abdominal aortic counterpulsation in heart failure resulted in a significant improvement of hemodynamic parameters. Subendocardial viability index, defined as diastolic pressure-time index to systolic tension-time index, in thoracic and abdominal aortomyoplasty showed significant improvement (p < 0.05) when cardiac assistance was performed by electrical stimulation of each muscle flap. A new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve was tested, obtaining a correlation coefficient with the subendocardial viability index of 0.758 (p < 0.001). Values of subendocardial viability index and counterpulsation index showed minimal variability.
Conclusions. Treatment of experimentally induced cardiac failure with dynamic abdominal aortic counterpulsation allows an effective hemodynamic improvement in open chest sheep. Furthermore, this diastolic arterial pressure augmentation could be evaluated through a new counterpulsation index derived from diastolic and systolic areas beneath the aortic pressure curve.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>10320246</pmid><doi>10.1016/S0003-4975(99)00159-9</doi><tpages>8</tpages></addata></record> |
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subjects | Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Animals Aorta, Abdominal - surgery Aorta, Thoracic - surgery Biological and medical sciences Counterpulsation - methods Emergency and intensive cardiocirculatory care. Cardiogenic shock. Coronary intensive care Heart Failure - therapy Hemodynamics Intensive care medicine Medical sciences Muscle, Skeletal - transplantation Sheep Surgical Flaps Tropical medicine |
title | Dynamic abdominal and thoracic aortomyoplasty in heart failure: assessment of counterpulsation |
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