Low Serum Creatinine as a Predictor of Prolonged Mechanical Ventilation and Weaning Failure

Dietary supplement creatine. The dosage of creatine will be as follows: for the first 7 days after enrolment, the daily dose will be 2x5g. From days 8 to 21, the daily dose will be 1x5g. The substance will be administered orally or through a nasogastric tube.

Dietary supplement polydextrose as a placebo. The dosage of placebo will be as follows: for the first 7 days after enrolment, the daily dose will be 2x5g. From days 8 to 21, the daily dose will be 1x5g. The substance will be administered orally or through a nasogastric tube.

Patients in Group 1 will serve as controls and will receive no intervention, only standard care.