1989
DOI: 10.1590/s0102-76381989000300006
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Hemólise em circulação extracorpórea: estudo comparativo entre bomba de rolete e bomba centrífuga

Abstract: RESUMO : O uso de bomba centrífuga como suporte circulatório para pacientes em choque cardiogênico, após a realização de cirurgia cardíaca e como suporte para pacientes com falência cardíaca que estão aguardando doação para transplante cardíaco, tem sido progressivamente ampliado. Alguns centros utilizam a bomba centrífuga em circulação extracorpórea de rotina, como substituto do rolete arterial,. No INCOR, operamos dois grupos de pacientes triarteriais submetidos a revascularização do miocárdio, operados pelo… Show more

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Cited by 4 publications
(5 citation statements)
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“…Recovery of haptoglobin levels was observed at the 24h PO time point. In a previous comparison of roller vs. centrifugal pumps in a sample of 27 patients, Pêgo-Fernandes et al [ 5 ] failed to find any significant between-group difference in haptoglobin levels when the duration of CPB was < 110 minutes. In an in vitro experiment, Bennett et al [ 10 ] found that roller pumps were associated with marked hemolysis as compared to centrifugal pumps.…”
Section: Discussionmentioning
confidence: 98%
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“…Recovery of haptoglobin levels was observed at the 24h PO time point. In a previous comparison of roller vs. centrifugal pumps in a sample of 27 patients, Pêgo-Fernandes et al [ 5 ] failed to find any significant between-group difference in haptoglobin levels when the duration of CPB was < 110 minutes. In an in vitro experiment, Bennett et al [ 10 ] found that roller pumps were associated with marked hemolysis as compared to centrifugal pumps.…”
Section: Discussionmentioning
confidence: 98%
“…Although we deemed our sample size according to Pêgo-Fernandes et al. [ 5 ] , we believe it was still small enough to constitute a limitation, and that further research with larger samples is warranted. Due to the small sample size per group and the relatively short, similar duration of CPB in both groups, the study may have been underpowered to detect differences between pump types.…”
Section: Discussionmentioning
confidence: 99%
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“…For the hemolysis we analyzed the free hemoglobin in plasma and the most used method is evaluation of the hemolysis index (HI) (6,7) given by .…”
Section: Methodsmentioning
confidence: 99%
“…The fact that the mechanical action of its components causes destruction of the blood cells is controversial when the performance of these pumps is compared among themselves [2]. Therefore, the uniformity of the comparative tests is important and the literature outcomes are difficult to compare due to the great variability of these conditions.…”
Section: Fig 1 -Prototypes Of the Blood Pump And The Modifications Imentioning
confidence: 99%