Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits
Autor(a) principal: | |
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Data de Publicação: | 2018 |
Outros Autores: | , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Journal of Cardiovascular Surgery (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-76382018000300224 |
Resumo: | Abstract Objective: Hemodilution is a concern in cardiopulmonary bypass (CPB). Using a smaller dual tubing rather than a single larger inner diameter (ID) tubing in the venous limb to decrease prime volume has been a standard practice. The purpose of this study is to evaluate these tubing options. Methods: Four different CPB circuits primed with blood (hematocrit 30%) were investigated. Two setups were used with two circuits for each one. In Setup I, a neonatal oxygenator was connected to dual 3/16" ID venous limbs (Circuit A) or to a single 1/4" ID venous limb (Circuit B); and in Setup II, a pediatric oxygenator was connected to dual 1/4" ID venous limbs (Circuit C) or a single 3/8" ID venous limb (Circuit D). Trials were conducted at arterial flow rates of 500 ml/min up to 1500 ml/min (Setup I) and up to 3000 ml/min (Setup II), at 36°C and 28°C. Results: Circuit B exhibited a higher venous flow rate than Circuit A, and Circuit D exhibited a higher venous flow rate than Circuit C, at both temperatures. Flow resistance was significantly higher in Circuits A and C than in Circuits B (P<0.001) and D (P<0.001), respectively. Conclusion: A single 1/4" venous limb is better than dual 3/16" venous limbs at all flow rates, up to 1500 ml/min. Moreover, a single 3/8" venous limb is better than dual 1/4" venous limbs, up to 3000 ml/min. Our findings strongly suggest a revision of perfusion practice to include single venous limb circuits for CPB. |
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Brazilian Journal of Cardiovascular Surgery (Online) |
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Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass CircuitsCardiopulmonary BypassPediatricsOxygenatorsMembranesAbstract Objective: Hemodilution is a concern in cardiopulmonary bypass (CPB). Using a smaller dual tubing rather than a single larger inner diameter (ID) tubing in the venous limb to decrease prime volume has been a standard practice. The purpose of this study is to evaluate these tubing options. Methods: Four different CPB circuits primed with blood (hematocrit 30%) were investigated. Two setups were used with two circuits for each one. In Setup I, a neonatal oxygenator was connected to dual 3/16" ID venous limbs (Circuit A) or to a single 1/4" ID venous limb (Circuit B); and in Setup II, a pediatric oxygenator was connected to dual 1/4" ID venous limbs (Circuit C) or a single 3/8" ID venous limb (Circuit D). Trials were conducted at arterial flow rates of 500 ml/min up to 1500 ml/min (Setup I) and up to 3000 ml/min (Setup II), at 36°C and 28°C. Results: Circuit B exhibited a higher venous flow rate than Circuit A, and Circuit D exhibited a higher venous flow rate than Circuit C, at both temperatures. Flow resistance was significantly higher in Circuits A and C than in Circuits B (P<0.001) and D (P<0.001), respectively. Conclusion: A single 1/4" venous limb is better than dual 3/16" venous limbs at all flow rates, up to 1500 ml/min. Moreover, a single 3/8" venous limb is better than dual 1/4" venous limbs, up to 3000 ml/min. Our findings strongly suggest a revision of perfusion practice to include single venous limb circuits for CPB.Sociedade Brasileira de Cirurgia Cardiovascular2018-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-76382018000300224Brazilian Journal of Cardiovascular Surgery v.33 n.3 2018reponame:Brazilian Journal of Cardiovascular Surgery (Online)instname:Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV)instacron:SBCCV10.21470/1678-9741-2018-0074info:eu-repo/semantics/openAccessCaneo,Luiz FernandoMatte,Gregory S.Guimarães,Daniel PeresViotto,GuilhermeMazzeto,MarceloCestari,IdageneNeirotti,Rodolfo A.Jatene,Marcelo B.Wang,ShigangÜndar,AkifChang Junior,JoãoJatene,Fabio B.eng2018-07-19T00:00:00Zoai:scielo:S0102-76382018000300224Revistahttp://www.rbccv.org.br/https://old.scielo.br/oai/scielo-oai.php||rosangela.monteiro@incor.usp.br|| domingo@braile.com.br|| brandau@braile.com.br1678-97410102-7638opendoar:2018-07-19T00:00Brazilian Journal of Cardiovascular Surgery (Online) - Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV)false |
dc.title.none.fl_str_mv |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits |
title |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits |
spellingShingle |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits Caneo,Luiz Fernando Cardiopulmonary Bypass Pediatrics Oxygenators Membranes |
title_short |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits |
title_full |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits |
title_fullStr |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits |
title_full_unstemmed |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits |
title_sort |
Functional Performance of Different Venous Limb Options in Simulated Neonatal/Pediatric Cardiopulmonary Bypass Circuits |
author |
Caneo,Luiz Fernando |
author_facet |
Caneo,Luiz Fernando Matte,Gregory S. Guimarães,Daniel Peres Viotto,Guilherme Mazzeto,Marcelo Cestari,Idagene Neirotti,Rodolfo A. Jatene,Marcelo B. Wang,Shigang Ündar,Akif Chang Junior,João Jatene,Fabio B. |
author_role |
author |
author2 |
Matte,Gregory S. Guimarães,Daniel Peres Viotto,Guilherme Mazzeto,Marcelo Cestari,Idagene Neirotti,Rodolfo A. Jatene,Marcelo B. Wang,Shigang Ündar,Akif Chang Junior,João Jatene,Fabio B. |
author2_role |
author author author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Caneo,Luiz Fernando Matte,Gregory S. Guimarães,Daniel Peres Viotto,Guilherme Mazzeto,Marcelo Cestari,Idagene Neirotti,Rodolfo A. Jatene,Marcelo B. Wang,Shigang Ündar,Akif Chang Junior,João Jatene,Fabio B. |
dc.subject.por.fl_str_mv |
Cardiopulmonary Bypass Pediatrics Oxygenators Membranes |
topic |
Cardiopulmonary Bypass Pediatrics Oxygenators Membranes |
description |
Abstract Objective: Hemodilution is a concern in cardiopulmonary bypass (CPB). Using a smaller dual tubing rather than a single larger inner diameter (ID) tubing in the venous limb to decrease prime volume has been a standard practice. The purpose of this study is to evaluate these tubing options. Methods: Four different CPB circuits primed with blood (hematocrit 30%) were investigated. Two setups were used with two circuits for each one. In Setup I, a neonatal oxygenator was connected to dual 3/16" ID venous limbs (Circuit A) or to a single 1/4" ID venous limb (Circuit B); and in Setup II, a pediatric oxygenator was connected to dual 1/4" ID venous limbs (Circuit C) or a single 3/8" ID venous limb (Circuit D). Trials were conducted at arterial flow rates of 500 ml/min up to 1500 ml/min (Setup I) and up to 3000 ml/min (Setup II), at 36°C and 28°C. Results: Circuit B exhibited a higher venous flow rate than Circuit A, and Circuit D exhibited a higher venous flow rate than Circuit C, at both temperatures. Flow resistance was significantly higher in Circuits A and C than in Circuits B (P<0.001) and D (P<0.001), respectively. Conclusion: A single 1/4" venous limb is better than dual 3/16" venous limbs at all flow rates, up to 1500 ml/min. Moreover, a single 3/8" venous limb is better than dual 1/4" venous limbs, up to 3000 ml/min. Our findings strongly suggest a revision of perfusion practice to include single venous limb circuits for CPB. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-06-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-76382018000300224 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-76382018000300224 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.21470/1678-9741-2018-0074 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Cirurgia Cardiovascular |
publisher.none.fl_str_mv |
Sociedade Brasileira de Cirurgia Cardiovascular |
dc.source.none.fl_str_mv |
Brazilian Journal of Cardiovascular Surgery v.33 n.3 2018 reponame:Brazilian Journal of Cardiovascular Surgery (Online) instname:Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV) instacron:SBCCV |
instname_str |
Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV) |
instacron_str |
SBCCV |
institution |
SBCCV |
reponame_str |
Brazilian Journal of Cardiovascular Surgery (Online) |
collection |
Brazilian Journal of Cardiovascular Surgery (Online) |
repository.name.fl_str_mv |
Brazilian Journal of Cardiovascular Surgery (Online) - Sociedade Brasileira de Cirurgia Cardiovascular (SBCCV) |
repository.mail.fl_str_mv |
||rosangela.monteiro@incor.usp.br|| domingo@braile.com.br|| brandau@braile.com.br |
_version_ |
1752126599947354112 |