Ventilation with lower tidal volumes as compared with traditional tidal volumes for acute lung injury and the acute respiratory distress syndrome

Article Abstract:

Giving patients on a ventilator lower tidal volumes than those traditionally used could improve their prognosis. Tidal volume is essentially how much the lungs are stretched by the air that is inhaled. Most ventilators are set to provide higher tidal volumes than normal so the patient will receive enough oxygen. However, the excess stretching can damage the lungs. In a study of 861 patients receiving ventilation for acute respiratory distress syndrome or some other lung injury, those who received lower tidal volumes had lower mortality rates and spent less time on the ventilator.

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Evaluation of a ventilation strategy to prevent barotrauma in patients at high risk for acute respiratory distress syndrome

Article Abstract:

A mechanical ventilation strategy to prevent trauma to the lungs does not appear to reduce mortality and may produce serious complications. Researchers compared traditional ventilation and a limited ventilation consisting of lower pressures and volumes in 120 patients at risk of acute respiratory distress syndrome. Mortality rates were similar in both groups and those in the limited ventilation group were more likely to have elevated blood levels of carbon dioxide. The incidence of lung trauma was similar in both groups but those in the limited ventilation group were more likely to develop kidney failure.

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Protective ventilation for patients with acute respiratory distress syndrome

Article Abstract:

Protective ventilation cannot be recommended for most patients with acute respiratory distress syndrome until further studies are done. Protective ventilation most often uses lower volumes and pressures to prevent lung damage. Three 1998 studies found that protective ventilation did not reduce mortality rates nor lower the incidence of air leaks and lung collapse in patients with acute respiratory distress syndrome. However, patients at higher risk of lung injury may benefit from protective ventilation.

Editorial

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