What is the recommended respiratory rate for very low birth weight infants during initial ventilator support?

The recommended respiratory rate for very low birth weight infants during initial ventilator support is 30-45 breaths per minute because this range has been established to support adequate ventilation while minimizing the risk of ventilator-induced lung injury. Very low birth weight infants typically have underdeveloped lungs and require careful management to achieve effective gas exchange. The chosen respiratory rate facilitates this while still considering the infant's fragile physiology.

This range ensures that there is enough lung volume being ventilated to meet the metabolic demands of the infant without overwhelming the delicate respiratory system. Rates that are too low could result in inadequate ventilation and hypoxia, while rates that are too high may increase the risk of barotrauma and volutrauma. Hence, maintaining the respiratory rate in the 30-45 breaths per minute range is crucial for optimal outcomes in this vulnerable population.