IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM
Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow developm...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
A. V. Fomichev [verfasserIn] A. M. Chernyavsky [verfasserIn] A. R. Tarkova [verfasserIn] R. U. Ibragimov [verfasserIn] Yu. E. Kareva [verfasserIn] S. M. Minin [verfasserIn] N. A. Nikitin [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Russisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Российский кардиологический журнал - «FIRMA «SILICEA» LLC, 2019, (2017), 8, Seite 70-74 |
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| Übergeordnetes Werk: |
year:2017 ; number:8 ; pages:70-74 |
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Link aufrufen |
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| DOI / URN: |
10.15829/1560-4071-2017-8-70-74 |
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| Katalog-ID: |
DOAJ029433657 |
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| 520 | |a Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. | ||
| 650 | 4 | |a coronary heart disease | |
| 650 | 4 | |a collateral blood supply | |
| 650 | 4 | |a chronic occlusion of coronary arteries | |
| 653 | 0 | |a Diseases of the circulatory (Cardiovascular) system | |
| 700 | 0 | |a A. M. Chernyavsky |e verfasserin |4 aut | |
| 700 | 0 | |a A. R. Tarkova |e verfasserin |4 aut | |
| 700 | 0 | |a R. U. Ibragimov |e verfasserin |4 aut | |
| 700 | 0 | |a Yu. E. Kareva |e verfasserin |4 aut | |
| 700 | 0 | |a S. M. Minin |e verfasserin |4 aut | |
| 700 | 0 | |a N. A. Nikitin |e verfasserin |4 aut | |
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10.15829/1560-4071-2017-8-70-74 doi (DE-627)DOAJ029433657 (DE-599)DOAJ7097f40a756042a5b818c0fd8dd8bc1c DE-627 ger DE-627 rakwb rus RC666-701 A. V. Fomichev verfasserin aut IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. coronary heart disease collateral blood supply chronic occlusion of coronary arteries Diseases of the circulatory (Cardiovascular) system A. M. Chernyavsky verfasserin aut A. R. Tarkova verfasserin aut R. U. Ibragimov verfasserin aut Yu. E. Kareva verfasserin aut S. M. Minin verfasserin aut N. A. Nikitin verfasserin aut In Российский кардиологический журнал «FIRMA «SILICEA» LLC, 2019 (2017), 8, Seite 70-74 (DE-627)1760594547 26187620 nnns year:2017 number:8 pages:70-74 https://doi.org/10.15829/1560-4071-2017-8-70-74 kostenfrei https://doaj.org/article/7097f40a756042a5b818c0fd8dd8bc1c kostenfrei https://russjcardiol.elpub.ru/jour/article/view/2435 kostenfrei https://doaj.org/toc/1560-4071 Journal toc kostenfrei https://doaj.org/toc/2618-7620 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 2017 8 70-74 |
| spelling |
10.15829/1560-4071-2017-8-70-74 doi (DE-627)DOAJ029433657 (DE-599)DOAJ7097f40a756042a5b818c0fd8dd8bc1c DE-627 ger DE-627 rakwb rus RC666-701 A. V. Fomichev verfasserin aut IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. coronary heart disease collateral blood supply chronic occlusion of coronary arteries Diseases of the circulatory (Cardiovascular) system A. M. Chernyavsky verfasserin aut A. R. Tarkova verfasserin aut R. U. Ibragimov verfasserin aut Yu. E. Kareva verfasserin aut S. M. Minin verfasserin aut N. A. Nikitin verfasserin aut In Российский кардиологический журнал «FIRMA «SILICEA» LLC, 2019 (2017), 8, Seite 70-74 (DE-627)1760594547 26187620 nnns year:2017 number:8 pages:70-74 https://doi.org/10.15829/1560-4071-2017-8-70-74 kostenfrei https://doaj.org/article/7097f40a756042a5b818c0fd8dd8bc1c kostenfrei https://russjcardiol.elpub.ru/jour/article/view/2435 kostenfrei https://doaj.org/toc/1560-4071 Journal toc kostenfrei https://doaj.org/toc/2618-7620 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 2017 8 70-74 |
| allfields_unstemmed |
10.15829/1560-4071-2017-8-70-74 doi (DE-627)DOAJ029433657 (DE-599)DOAJ7097f40a756042a5b818c0fd8dd8bc1c DE-627 ger DE-627 rakwb rus RC666-701 A. V. Fomichev verfasserin aut IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. coronary heart disease collateral blood supply chronic occlusion of coronary arteries Diseases of the circulatory (Cardiovascular) system A. M. Chernyavsky verfasserin aut A. R. Tarkova verfasserin aut R. U. Ibragimov verfasserin aut Yu. E. Kareva verfasserin aut S. M. Minin verfasserin aut N. A. Nikitin verfasserin aut In Российский кардиологический журнал «FIRMA «SILICEA» LLC, 2019 (2017), 8, Seite 70-74 (DE-627)1760594547 26187620 nnns year:2017 number:8 pages:70-74 https://doi.org/10.15829/1560-4071-2017-8-70-74 kostenfrei https://doaj.org/article/7097f40a756042a5b818c0fd8dd8bc1c kostenfrei https://russjcardiol.elpub.ru/jour/article/view/2435 kostenfrei https://doaj.org/toc/1560-4071 Journal toc kostenfrei https://doaj.org/toc/2618-7620 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 2017 8 70-74 |
| allfieldsGer |
10.15829/1560-4071-2017-8-70-74 doi (DE-627)DOAJ029433657 (DE-599)DOAJ7097f40a756042a5b818c0fd8dd8bc1c DE-627 ger DE-627 rakwb rus RC666-701 A. V. Fomichev verfasserin aut IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. coronary heart disease collateral blood supply chronic occlusion of coronary arteries Diseases of the circulatory (Cardiovascular) system A. M. Chernyavsky verfasserin aut A. R. Tarkova verfasserin aut R. U. Ibragimov verfasserin aut Yu. E. Kareva verfasserin aut S. M. Minin verfasserin aut N. A. Nikitin verfasserin aut In Российский кардиологический журнал «FIRMA «SILICEA» LLC, 2019 (2017), 8, Seite 70-74 (DE-627)1760594547 26187620 nnns year:2017 number:8 pages:70-74 https://doi.org/10.15829/1560-4071-2017-8-70-74 kostenfrei https://doaj.org/article/7097f40a756042a5b818c0fd8dd8bc1c kostenfrei https://russjcardiol.elpub.ru/jour/article/view/2435 kostenfrei https://doaj.org/toc/1560-4071 Journal toc kostenfrei https://doaj.org/toc/2618-7620 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 2017 8 70-74 |
| allfieldsSound |
10.15829/1560-4071-2017-8-70-74 doi (DE-627)DOAJ029433657 (DE-599)DOAJ7097f40a756042a5b818c0fd8dd8bc1c DE-627 ger DE-627 rakwb rus RC666-701 A. V. Fomichev verfasserin aut IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. coronary heart disease collateral blood supply chronic occlusion of coronary arteries Diseases of the circulatory (Cardiovascular) system A. M. Chernyavsky verfasserin aut A. R. Tarkova verfasserin aut R. U. Ibragimov verfasserin aut Yu. E. Kareva verfasserin aut S. M. Minin verfasserin aut N. A. Nikitin verfasserin aut In Российский кардиологический журнал «FIRMA «SILICEA» LLC, 2019 (2017), 8, Seite 70-74 (DE-627)1760594547 26187620 nnns year:2017 number:8 pages:70-74 https://doi.org/10.15829/1560-4071-2017-8-70-74 kostenfrei https://doaj.org/article/7097f40a756042a5b818c0fd8dd8bc1c kostenfrei https://russjcardiol.elpub.ru/jour/article/view/2435 kostenfrei https://doaj.org/toc/1560-4071 Journal toc kostenfrei https://doaj.org/toc/2618-7620 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ AR 2017 8 70-74 |
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To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. 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A. V. Fomichev misc RC666-701 misc coronary heart disease misc collateral blood supply misc chronic occlusion of coronary arteries misc Diseases of the circulatory (Cardiovascular) system IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM |
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RC666-701 IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM coronary heart disease collateral blood supply chronic occlusion of coronary arteries |
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IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM |
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A. V. Fomichev A. M. Chernyavsky A. R. Tarkova R. U. Ibragimov Yu. E. Kareva S. M. Minin N. A. Nikitin |
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impact of collateral circulation on blood supply and function of myocardium |
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IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM |
| abstract |
Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. |
| abstractGer |
Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. |
| abstract_unstemmed |
Aim. To evaluate perfusion and functioning of myocardium in occluded coronary artery with various types of collateral blood flow.Material and methods. Ninety patients with three-vessel disease and obligate occlusion of the right coronary artery (RCA) according to the type of collateral flow development, were selected to 2 groups: first — 44 patients (49%) with I and II grades by Rentrop, second — 46 patients (51%) with grade III Rentrop collaterals. Perfusion scintigraphy data was analysed, with echocardiography and tissue Doppler.Results. Worsening of perfusion of myocardium inferior wall was found in patient of group 2 with non-significant defect of perfusion in 1st group patient. Stable perfusion defect in group 1 was 9,8±3,5%, in group 2 — 4,1±1,7%. While comparing tissue Doppler values, change in longitudinal deformation of inferior wall in the group with worse collaterals was -4,1±2,6, in group 2 -6,8±2,7. While assessing segmentary contractility of the inferior wall of the left ventricle, lower number of hypokinesis segments was found in group 2.Conclusion. Chronic occlusion of coronary artery with a weak collaterals is followed by worse parameters of local perfusion and function of myocardium. In a good condition of collaterals, regardless the non-significant perfusion disorders in myocardium at rest, there are prominent stress-defects and local contractility disorders of myocardium. |
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IMPACT OF COLLATERAL CIRCULATION ON BLOOD SUPPLY AND FUNCTION OF MYOCARDIUM |
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