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Prone positioning may improve right heart function by facilitating unloading of the right ventricle. In the prone position, pulmonary blood flow is minimally altered and remains preferentially in dorsal regions.
As trial design evolved to include modern ventilation practices along with patients with more severe ARDS, evidence emerged that the early application of prolonged prone positioning may significantly decrease mortality compared to conventional supine ventilation.
14 lut 2023 · The PROSEVA study (PROne ventilation in SEVere acute respiratory distress syndrome) was a multicentre prospective randomised controlled trial which showed that prone positioning decreased 28-day and 90-day mortality and increased the rate of successful extubation.
Most land-dwelling vertebrates are quadrupeds and spend life with their lungs in the prone position: the evolution of bipeds who are mostly upright or supine is a recent evolutionary phe-nomenon for which we were not originally designed.
prone positioning of mechanically ventilated patients. This document also hopes to standardise the approach to manging a cardiac arrest in the prone position, and has some guidance on prone ventilation in ECMO patients as well as considerations for performing bronchoscopy in the prone position.
Prone positioning is an adjunct therapy to an optimized lung protective ventilation strategy. In cases of severe gas exchange impairment, prone positioning will cause a change in respiratory mechanics and a reduction in the pleural pressure gradient.
Prone positioners (e.g., the Vollman Prone Positioner [Hill-Rom]) are cushioned frames that are strapped on the front of the patient’s body prior to repositioning, on which the patient lies face-down when prone.
