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Autor
Barrett, Nicholas A 1 Belliato, Mirko 1 Belohlavek, Jan 1 Broman, Lars Mikael 1 Di Nardo, Matteo 1 Gilbers, Martijn 1 Lorusso, Roberto 1 Malfertheiner, Maximilian V 1 Pappalardo, Federico 1 Perry da Câmara, Luisa 1 Prahl Wittberg, Lisa 1 Swol, Justyna 1 Taccone, Fabio Silvio 1 Vercaemst, Leen 1 Westlund, C Jerker 1
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2nd Department of Medicine Cardiovasc... 1 Centre for Human and Applied Physiolo... 1 Department of Cardio Thoracic Surgery... 1 Department of Cardiothoracic Anesthes... 1 Department of Critical Care Guy's and... 1 Department of Intensive Care Hôpital ... 1 Department of Internal Medicine 2 Car... 1 Department of Perfusion University Ho... 1 Department of Physiology Maastricht U... 1 Department of Physiology and Pharmaco... 1 Department of Respiratory Medicine Al... 1 ECMO Centre Karolinska Department of ... 1 Hospital Curry Cabral Centro Hospital... 1 Pediatric Intensive Care Unit Childre... 1 The Linné Flow Centre and BioMEx Cent... 1 U O C Anestesia e Rianimazione 1 Fond... 1 Workgroup on Innovation and Technolog... 1
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Autor
Barrett, Nicholas A 1 Belliato, Mirko 1 Belohlavek, Jan 1 Broman, Lars Mikael 1 Di Nardo, Matteo 1 Gilbers, Martijn 1 Lorusso, Roberto 1 Malfertheiner, Maximilian V 1 Pappalardo, Federico 1 Perry da Câmara, Luisa 1 Prahl Wittberg, Lisa 1 Swol, Justyna 1 Taccone, Fabio Silvio 1 Vercaemst, Leen 1 Westlund, C Jerker 1
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Pracoviště
2nd Department of Medicine Cardiovasc... 1 Centre for Human and Applied Physiolo... 1 Department of Cardio Thoracic Surgery... 1 Department of Cardiothoracic Anesthes... 1 Department of Critical Care Guy's and... 1 Department of Intensive Care Hôpital ... 1 Department of Internal Medicine 2 Car... 1 Department of Perfusion University Ho... 1 Department of Physiology Maastricht U... 1 Department of Physiology and Pharmaco... 1 Department of Respiratory Medicine Al... 1 ECMO Centre Karolinska Department of ... 1 Hospital Curry Cabral Centro Hospital... 1 Pediatric Intensive Care Unit Childre... 1 The Linné Flow Centre and BioMEx Cent... 1 U O C Anestesia e Rianimazione 1 Fond... 1 Workgroup on Innovation and Technolog... 1
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Broman, Lars Mikael
Autor Broman, Lars Mikael Workgroup on Innovation and Technology in ECLS, EuroELSO, Newcastle upon Tyne, UK ECMO Centre Karolinska, Department of Pediatric Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
- Westlund, C Jerker
- Gilbers, Martijn
- Perry da Câmara, Luisa
- Prahl Wittberg, Lisa
- Taccone, Fabio Silvio
- Malfertheiner, Maximilian V
- Di Nardo, Matteo
- Swol, Justyna
- Vercaemst, Leen
PubMed
32500818
DOI
10.1177/0267659120926009
Knihovny.cz E-zdroje
INTRODUCTION: In the last decade, dual-lumen cannulae have been increasingly applied in patients undergoing extracorporeal life support. Well-performing vascular access is crucial for efficient extracorporeal membrane oxygenation support; thus, guidance for proper cannulae size is required. Pressure-flow charts provided by manufacturers are often based on tests performed using water, rarely blood. However, blood is a shear-thinning and viscoelastic fluid characterized by different flow properties than water. METHODS: We performed a study evaluating pressure-flow curves during standardized conditions using human whole blood in two commonly available dual-lumen cannulae used in neonates, pediatric, and adult patients. Results were merged and compared with the manufacturer's corresponding curves obtained from the public domain. RESULTS: The results showed that using blood as compared with water predominantly influenced drainage flow. A 10-80% higher pressure-drop was needed to obtain same drainage flow (hematocrit of 26%) compared with manufacturer's water charts in 13-31 Fr bi-caval dual-lumen cannulae. The same net difference was found in cavo-atrial cannulae (16-32 Fr), where a lower drainage pressure was required (Hct of 26%) compared with the manufacturer's test using blood with an Hct of 33%. Return pressure-flow data were similar, independent whether pumping blood or water, to the data reported by manufacturers. CONCLUSION: Non-standardized testing of pressure-flow properties of extracorporeal membrane oxygenation dual-lumen cannulae prevents an adequate prediction of pressure-flow results when these cannulae are used in patients. Properties of dual-lumen cannulae may vary between sizes within same cannula family, in particular concerning the drainage flow.
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