A clinical evaluation of the Maquet Quadrox-i Neonatal oxygenator with integrated arterial filter

R. M. Ginther, R. Gorney, R. Cruz

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

High-performance, low-prime-volume oxygenators for the pediatric patient population have become a growing market among manufacturers. In the summer of 2011, our institution clinically evaluated the performance of the newly released Maquet Quadrox-i Neonatal oxygenator with integrated arterial filter. The static priming volume, including the integrated arterial filter, is 40 ml and the maximum rated blood flow is 1.5 liters per minute (LPM). The device was used on seven pediatric patients, ranging from 3.2 to 14 kg, undergoing various congenital heart defect repairs. Data were collected to calculate gas transfer, trans-oxygenator pressure drop, and heat exchange performance. The mean cardiopulmonary bypass time was 85 minutes and the mean cross-clamp time was 56 minutes. The average oxygen transfer was 34.3 ± 22.8 ml/O2/min and increased with both blood flow and FiO2. The average carbon dioxide transfer was 22.3 ± 17.8 ml/min and increased with both blood flow and gas sweep to blood flow ratio. The average trans-oxygenator pressure drop per blood flow was 53.3 ± 15.5 mmHg/L/min and increased with flow. The average heat exchanger performance factor was 47.6 ± 11.6% and decreased with flow. The heat exchange performance factor at maximum observed clinical flow, 1.42 LPM, was 36.4%. During this evaluation, the Maquet Quadrox-i Neonatal oxygenator adequately performed within its operational flow in the clinical setting.

Original languageEnglish (US)
Pages (from-to)194-199
Number of pages6
JournalPerfusion (United Kingdom)
Volume28
Issue number3
DOIs
StatePublished - May 2013

Fingerprint

Oxygenators
Blood
heat
evaluation
Pediatrics
Hot Temperature
performance
Pressure drop
Gases
Pressure
Congenital Heart Defects
Clamping devices
Cardiopulmonary Bypass
Carbon Dioxide
Heat exchangers
Carbon dioxide
Repair
Oxygen
Equipment and Supplies
Defects

Keywords

  • cardiopulmonary bypass
  • integrated arterial filter
  • low prime oxygenator
  • pediatric oxygenator
  • Quadrox- i neonatal oxygenator

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Radiology Nuclear Medicine and imaging
  • Advanced and Specialized Nursing
  • Safety Research

Cite this

A clinical evaluation of the Maquet Quadrox-i Neonatal oxygenator with integrated arterial filter. / Ginther, R. M.; Gorney, R.; Cruz, R.

In: Perfusion (United Kingdom), Vol. 28, No. 3, 05.2013, p. 194-199.

Research output: Contribution to journalArticle

Ginther, R. M. ; Gorney, R. ; Cruz, R. / A clinical evaluation of the Maquet Quadrox-i Neonatal oxygenator with integrated arterial filter. In: Perfusion (United Kingdom). 2013 ; Vol. 28, No. 3. pp. 194-199.
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