From an experiment, Ibañez supplied the drug, at a dose of 15 milligrams daily, for three days, to 20 intubated patients and, at the same time, studied the health parameters of a control group. who did not receive this medication.
After drug delivery, levels of lung inflammation were measured, before and after treatment, and clinical progression parameters such as oxygenation and days of mechanical ventilation were monitored.
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The results were excellent, so according to Eduardo Oliver, co-author of the CNIC study, intravenous metoprolol “significantly reduced neutrophil infiltration into the lungs and improved oxygenation.”