Determination of insensible water loss and sodium accumulation behavior from the Medtronic Nautilus Extracorporeal Membrane Oxygenation (ECMO) oxygenator: An in vitro study
Carrie Whittaker Striker, Gabriel Kong · 2025
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Description
Striker and Kong (2025) measured how much water quietly evaporates from a specific heart-lung machine oxygenator. In ECMO, a machine oxygenates blood outside the body, and unnoticed water loss through the oxygenator can skew fluid records and concentrate sodium in the blood. The losses were known for other devices but not for the Medtronic Nautilus. The team ran a closed lab circuit at three gas flow rates and measured the loss over a day.
Water loss rose in a straight line with gas flow: about 66 to 73 milliliters per day for each liter per minute of sweep gas, depending on how it was measured. Sodium built up as water left, though the rise was not statistically firm in the small sample. The authors give bedside formulas for the loss and warn that it, and the risk of high blood sodium, belong in daily fluid planning for ECMO patients.
Catalog record
| CREATOR | Carrie Whittaker Striker, Gabriel Kong |
|---|---|
| YEAR | 2025 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 29 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |