Limitations of spontaneous reperfusion and conventional medical therapy to afford myocardial protection through antecedent angina pectoris in acute myocardial infarction
Despite the cardioprotective effect of rapid coronary reperfusion, the effects of spontaneous recanalization on myocardial viability and metabolism are unknown. We studied whether preinfarction angina affords cardioprotection when spontaneous coronary reperfusion occurred in acute infarct patients....
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Veröffentlicht in: | Annals of nuclear medicine 1999-10, Vol.13 (5), p.337-346 |
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creator | Hashimoto, A Nakata, T Wakabayashi, T Yuda, S Eguchi, M Sasao, H Tsuchihashi, K Shimamoto, K |
description | Despite the cardioprotective effect of rapid coronary reperfusion, the effects of spontaneous recanalization on myocardial viability and metabolism are unknown. We studied whether preinfarction angina affords cardioprotection when spontaneous coronary reperfusion occurred in acute infarct patients. Myocardial tomographies with thallium and I-123-labeled-beta-methyl-p-iodophenyl penta-decanoic acid (BMIPP) were performed in 27 acute myocardial infarct patients treated medically: 15 patients had preexisting angina before infarction (group A) and 12 did not (group B). Thallium and BMIPP abnormalities and regional function were quantified by a polar map and contrast ventriculography, respectively. There was no significant difference between thallium and BMIPP in the severity index in groups A and B (89 +/- 97 vs. 85 +/- 68, 97 +/- 28 vs. 95 +/- 27, respectively), and no significant difference between the groups in the thallium or BMIPP severity index. The ratio of the thallium severity index to that of BMIPP and the regional wall-motion abnormality index were identical in groups A and B. Both patient groups were divided into 2 subgroups based on the presence or absence of spontaneous coronary reperfusion: subgroups A1 and A2, and subgroups B1 and B2, respectively. There were no significant differences among the 4 subgroups in severity indexes for both tracers, the thallium/BMIPP ratio, or the asynergy score. The BMIPP severity index correlated significantly with that of thallium in all subgroups, but no significant difference between the regression lines was found. It is therefore unlikely that spontaneous coronary recanalization affords beneficial effects through preservation of myocardial viability in an ischemia-related zone, suggesting that the cardioprotective effect of preinfarction angina is a limited phenomenon in patients undergoing rapid coronary reperfusion. |
doi_str_mv | 10.1007/BF03164873 |
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We studied whether preinfarction angina affords cardioprotection when spontaneous coronary reperfusion occurred in acute infarct patients. Myocardial tomographies with thallium and I-123-labeled-beta-methyl-p-iodophenyl penta-decanoic acid (BMIPP) were performed in 27 acute myocardial infarct patients treated medically: 15 patients had preexisting angina before infarction (group A) and 12 did not (group B). Thallium and BMIPP abnormalities and regional function were quantified by a polar map and contrast ventriculography, respectively. There was no significant difference between thallium and BMIPP in the severity index in groups A and B (89 +/- 97 vs. 85 +/- 68, 97 +/- 28 vs. 95 +/- 27, respectively), and no significant difference between the groups in the thallium or BMIPP severity index. The ratio of the thallium severity index to that of BMIPP and the regional wall-motion abnormality index were identical in groups A and B. Both patient groups were divided into 2 subgroups based on the presence or absence of spontaneous coronary reperfusion: subgroups A1 and A2, and subgroups B1 and B2, respectively. There were no significant differences among the 4 subgroups in severity indexes for both tracers, the thallium/BMIPP ratio, or the asynergy score. The BMIPP severity index correlated significantly with that of thallium in all subgroups, but no significant difference between the regression lines was found. It is therefore unlikely that spontaneous coronary recanalization affords beneficial effects through preservation of myocardial viability in an ischemia-related zone, suggesting that the cardioprotective effect of preinfarction angina is a limited phenomenon in patients undergoing rapid coronary reperfusion.</description><identifier>ISSN: 0914-7187</identifier><identifier>EISSN: 1864-6433</identifier><identifier>DOI: 10.1007/BF03164873</identifier><identifier>PMID: 10582804</identifier><language>eng</language><publisher>Japan: Springer Nature B.V</publisher><subject>Adult ; Aged ; Aged, 80 and over ; Angina pectoris ; Angina Pectoris - complications ; Angina Pectoris - diagnostic imaging ; Angina Pectoris - physiopathology ; Fatty Acids - metabolism ; Female ; Heart attacks ; Heart Function Tests ; Humans ; Iodine Radioisotopes ; Iodobenzenes ; Male ; Middle Aged ; Myocardial Infarction - diagnostic imaging ; Myocardial Infarction - etiology ; Myocardial Infarction - physiopathology ; Myocardial Reperfusion Injury - diagnostic imaging ; Myocardial Reperfusion Injury - physiopathology ; Myocardial Reperfusion Injury - prevention & control ; Radiopharmaceuticals ; Thallium Radioisotopes ; Tomography, Emission-Computed, Single-Photon</subject><ispartof>Annals of nuclear medicine, 1999-10, Vol.13 (5), p.337-346</ispartof><rights>Springer-Verlag 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c361t-810e3e05431956578cd0d21955e5f2d3f1a28adfc213ff2651dbfe4c93f7b4073</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27915,27916</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10582804$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hashimoto, A</creatorcontrib><creatorcontrib>Nakata, T</creatorcontrib><creatorcontrib>Wakabayashi, T</creatorcontrib><creatorcontrib>Yuda, S</creatorcontrib><creatorcontrib>Eguchi, M</creatorcontrib><creatorcontrib>Sasao, H</creatorcontrib><creatorcontrib>Tsuchihashi, K</creatorcontrib><creatorcontrib>Shimamoto, K</creatorcontrib><title>Limitations of spontaneous reperfusion and conventional medical therapy to afford myocardial protection through antecedent angina pectoris in acute myocardial infarction</title><title>Annals of nuclear medicine</title><addtitle>Ann Nucl Med</addtitle><description>Despite the cardioprotective effect of rapid coronary reperfusion, the effects of spontaneous recanalization on myocardial viability and metabolism are unknown. We studied whether preinfarction angina affords cardioprotection when spontaneous coronary reperfusion occurred in acute infarct patients. Myocardial tomographies with thallium and I-123-labeled-beta-methyl-p-iodophenyl penta-decanoic acid (BMIPP) were performed in 27 acute myocardial infarct patients treated medically: 15 patients had preexisting angina before infarction (group A) and 12 did not (group B). Thallium and BMIPP abnormalities and regional function were quantified by a polar map and contrast ventriculography, respectively. There was no significant difference between thallium and BMIPP in the severity index in groups A and B (89 +/- 97 vs. 85 +/- 68, 97 +/- 28 vs. 95 +/- 27, respectively), and no significant difference between the groups in the thallium or BMIPP severity index. The ratio of the thallium severity index to that of BMIPP and the regional wall-motion abnormality index were identical in groups A and B. Both patient groups were divided into 2 subgroups based on the presence or absence of spontaneous coronary reperfusion: subgroups A1 and A2, and subgroups B1 and B2, respectively. There were no significant differences among the 4 subgroups in severity indexes for both tracers, the thallium/BMIPP ratio, or the asynergy score. The BMIPP severity index correlated significantly with that of thallium in all subgroups, but no significant difference between the regression lines was found. It is therefore unlikely that spontaneous coronary recanalization affords beneficial effects through preservation of myocardial viability in an ischemia-related zone, suggesting that the cardioprotective effect of preinfarction angina is a limited phenomenon in patients undergoing rapid coronary reperfusion.</description><subject>Adult</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Angina pectoris</subject><subject>Angina Pectoris - complications</subject><subject>Angina Pectoris - diagnostic imaging</subject><subject>Angina Pectoris - physiopathology</subject><subject>Fatty Acids - metabolism</subject><subject>Female</subject><subject>Heart attacks</subject><subject>Heart Function Tests</subject><subject>Humans</subject><subject>Iodine Radioisotopes</subject><subject>Iodobenzenes</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Myocardial Infarction - diagnostic imaging</subject><subject>Myocardial Infarction - etiology</subject><subject>Myocardial Infarction - physiopathology</subject><subject>Myocardial Reperfusion Injury - diagnostic imaging</subject><subject>Myocardial Reperfusion Injury - physiopathology</subject><subject>Myocardial Reperfusion Injury - prevention & control</subject><subject>Radiopharmaceuticals</subject><subject>Thallium Radioisotopes</subject><subject>Tomography, Emission-Computed, Single-Photon</subject><issn>0914-7187</issn><issn>1864-6433</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFkk1rFTEUhoNY7LW68QdIcKEgjJ58TCazrKXVwgU3uh5y89Gm3JmMSUa4P8l_2TPegsWFrt5DzpP3hJOXkFcMPjCA7uOnKxBMSd2JJ2TDtJKNkkI8JRvomWw6prtT8ryUOwCuW82fkVMGqBrkhvzaxjFWU2OaCk2BljlN1Uw-LYVmP_scloI9aiZHbZp--mlFzZ6O3kWLWm99NvOB1kRNCCk7Oh6SNdlFbM45VW_XG8jltNzcohGeeIc-WN7EydAZiZRjoRHH2KX6xw5xCib_dnhBToLZF__yQc_I96vLbxdfmu3Xz9cX59vGCsVqoxl44aGVgvWtajttHTiOdevbwJ0IzHBtXLCciRC4apnbBS9tL0K3k9CJM_Lu6IuP_7H4UocxFuv3--NWhh6kVEr3PZJv_0mqXnCQrfgvyBnjAuQ6-81f4F1aMq57ZVqQCkAh9P4I2ZxKyT4Mc46jyYeBwbAGYvgTCIRfPzguO_yyR-gxAeIe-66z7w</recordid><startdate>19991001</startdate><enddate>19991001</enddate><creator>Hashimoto, A</creator><creator>Nakata, T</creator><creator>Wakabayashi, T</creator><creator>Yuda, S</creator><creator>Eguchi, M</creator><creator>Sasao, H</creator><creator>Tsuchihashi, K</creator><creator>Shimamoto, K</creator><general>Springer Nature B.V</general><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>3V.</scope><scope>7QP</scope><scope>7RV</scope><scope>7TK</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB0</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M7P</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>P5Z</scope><scope>P62</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>19991001</creationdate><title>Limitations of spontaneous reperfusion and conventional medical therapy to afford myocardial protection through antecedent angina pectoris in acute myocardial infarction</title><author>Hashimoto, A ; Nakata, T ; Wakabayashi, T ; Yuda, S ; Eguchi, M ; Sasao, H ; Tsuchihashi, K ; Shimamoto, K</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c361t-810e3e05431956578cd0d21955e5f2d3f1a28adfc213ff2651dbfe4c93f7b4073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Adult</topic><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Angina pectoris</topic><topic>Angina Pectoris - complications</topic><topic>Angina Pectoris - diagnostic imaging</topic><topic>Angina Pectoris - physiopathology</topic><topic>Fatty Acids - metabolism</topic><topic>Female</topic><topic>Heart attacks</topic><topic>Heart Function Tests</topic><topic>Humans</topic><topic>Iodine Radioisotopes</topic><topic>Iodobenzenes</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Myocardial Infarction - diagnostic imaging</topic><topic>Myocardial Infarction - etiology</topic><topic>Myocardial Infarction - physiopathology</topic><topic>Myocardial Reperfusion Injury - diagnostic imaging</topic><topic>Myocardial Reperfusion Injury - physiopathology</topic><topic>Myocardial Reperfusion Injury - prevention & control</topic><topic>Radiopharmaceuticals</topic><topic>Thallium Radioisotopes</topic><topic>Tomography, Emission-Computed, Single-Photon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hashimoto, A</creatorcontrib><creatorcontrib>Nakata, T</creatorcontrib><creatorcontrib>Wakabayashi, T</creatorcontrib><creatorcontrib>Yuda, S</creatorcontrib><creatorcontrib>Eguchi, M</creatorcontrib><creatorcontrib>Sasao, H</creatorcontrib><creatorcontrib>Tsuchihashi, K</creatorcontrib><creatorcontrib>Shimamoto, K</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>ProQuest Nursing and Allied Health Journals</collection><collection>Neurosciences Abstracts</collection><collection>ProQuest Health and Medical</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>ProQuest Research Library</collection><collection>ProQuest Biological Science Journals</collection><collection>Research Library (Corporate)</collection><collection>Nursing & Allied Health Premium</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Annals of nuclear medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hashimoto, A</au><au>Nakata, T</au><au>Wakabayashi, T</au><au>Yuda, S</au><au>Eguchi, M</au><au>Sasao, H</au><au>Tsuchihashi, K</au><au>Shimamoto, K</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Limitations of spontaneous reperfusion and conventional medical therapy to afford myocardial protection through antecedent angina pectoris in acute myocardial infarction</atitle><jtitle>Annals of nuclear medicine</jtitle><addtitle>Ann Nucl Med</addtitle><date>1999-10-01</date><risdate>1999</risdate><volume>13</volume><issue>5</issue><spage>337</spage><epage>346</epage><pages>337-346</pages><issn>0914-7187</issn><eissn>1864-6433</eissn><abstract>Despite the cardioprotective effect of rapid coronary reperfusion, the effects of spontaneous recanalization on myocardial viability and metabolism are unknown. We studied whether preinfarction angina affords cardioprotection when spontaneous coronary reperfusion occurred in acute infarct patients. Myocardial tomographies with thallium and I-123-labeled-beta-methyl-p-iodophenyl penta-decanoic acid (BMIPP) were performed in 27 acute myocardial infarct patients treated medically: 15 patients had preexisting angina before infarction (group A) and 12 did not (group B). Thallium and BMIPP abnormalities and regional function were quantified by a polar map and contrast ventriculography, respectively. There was no significant difference between thallium and BMIPP in the severity index in groups A and B (89 +/- 97 vs. 85 +/- 68, 97 +/- 28 vs. 95 +/- 27, respectively), and no significant difference between the groups in the thallium or BMIPP severity index. The ratio of the thallium severity index to that of BMIPP and the regional wall-motion abnormality index were identical in groups A and B. Both patient groups were divided into 2 subgroups based on the presence or absence of spontaneous coronary reperfusion: subgroups A1 and A2, and subgroups B1 and B2, respectively. There were no significant differences among the 4 subgroups in severity indexes for both tracers, the thallium/BMIPP ratio, or the asynergy score. The BMIPP severity index correlated significantly with that of thallium in all subgroups, but no significant difference between the regression lines was found. It is therefore unlikely that spontaneous coronary recanalization affords beneficial effects through preservation of myocardial viability in an ischemia-related zone, suggesting that the cardioprotective effect of preinfarction angina is a limited phenomenon in patients undergoing rapid coronary reperfusion.</abstract><cop>Japan</cop><pub>Springer Nature B.V</pub><pmid>10582804</pmid><doi>10.1007/BF03164873</doi><tpages>10</tpages></addata></record> |
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subjects | Adult Aged Aged, 80 and over Angina pectoris Angina Pectoris - complications Angina Pectoris - diagnostic imaging Angina Pectoris - physiopathology Fatty Acids - metabolism Female Heart attacks Heart Function Tests Humans Iodine Radioisotopes Iodobenzenes Male Middle Aged Myocardial Infarction - diagnostic imaging Myocardial Infarction - etiology Myocardial Infarction - physiopathology Myocardial Reperfusion Injury - diagnostic imaging Myocardial Reperfusion Injury - physiopathology Myocardial Reperfusion Injury - prevention & control Radiopharmaceuticals Thallium Radioisotopes Tomography, Emission-Computed, Single-Photon |
title | Limitations of spontaneous reperfusion and conventional medical therapy to afford myocardial protection through antecedent angina pectoris in acute myocardial infarction |
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