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Doctoral Thesis
DOI
10.11606/T.5.2005.tde-27012006-093709
Document
Author
Full name
Josué Viana de Castro Neto
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2005
Supervisor
Committee
Oliveira, Sergio Almeida de (President)
Dallan, Luis Alberto Oliveira
Dinkhuysen, Jarbas Jakson
Fonseca, José Honório de Almeida Palma da
Hueb, Alexandre Ciappina
Title in Portuguese
"Estudo comparativo entre os enxertos arteriais compostos e os enxertos arteriais isolados na revascularização do miocárdio: análise do fluxo sangüíneo e da reserva de fluxo coronariano com Doppler intravascular"
Keywords in Portuguese
ARTÉRIA RADIAL
ARTÉRIAS MAMÁRIAS
REVASCULARIZAÇÃO MIOCÁRDICA/métodos
VELOCIDADE DO FLUXO SANGÜÍNEO
Abstract in Portuguese
O objetivo é comparar o fluxo sanguíneo total (FS) e a reserva de fluxo coronariano (RFC) aos ramos revascularizados pelas artérias torácica interna esquerda (ATIE) e radial (AR) nos enxertos compostos com os enxertos isolados. Foi realizado um ensaio clínico randomizado de 42 pacientes que foram distribuídos em grupo A ou ATIE e AR composta em Y(n=14), grupo B ou ATIE e AR composta modificada(n=14) e grupo C ou ATIE pediculada para DA e AR aorto-coronariana(n=14). Os pacientes foram submetidos a fluxometria no pós-operatório imediato. A RFC foi de 2,1 ± 0,44, 1,96 ± 0,3 e 2,06±0,42 nos grupos A,B e C, (p=0.7208 A, B x C) e o FS, em ml/min, foi 110±30, 145±59 e 136±58, respectivamente (p=0.3232 A,B x C). Concluindo, não houve diferença significativa do FS total e nem da RFC nos grupos estudados
Title in English
Comparative study between composite and independent arterial grafts in myocardial revascularization : blood flow and coronary flow reserve analysis by intravascular Doppler
Keywords in English
BLOOD FLOW VELOCITY
MAMMARY ARTERIES
MYOCARDIAL REVASCULARIZATION/methods
RADIAL ARTERY
Abstract in English
The objective is to compare the total blood flow (Bf) and coronary flow reserve (CFR) to the left coronary branches that were revascularized with left internal thoracic (LITA) and radial artery (RA) in composite and independent arterial grafts. A randomized trial was realized and 42 patients assigned in group A or composite LITA-RA in a Y configuration (n=14), group B or modified composite LITA-RA(n=14) and group C or pedicled LITA to LAD and aorto-coronary RA (n=14). Patients were submitted to postoperative Bf velocity analysis. CFR was 2,1 ± 0,44, 1,96 ± 0,3 e 2,06±0,42 in groups A,B and C (p=0.7208 A, B x C) and Bf, in ml/min, was 110±30, 145±59 and 136±58, respectively (p=0.3232 A, B x C). In conclusion there was no difference in Bf and CFR in the groups studied
 
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Publishing Date
2006-02-14
 
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