Adaptive servo-ventilation (ASV)

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Adaptive servo-ventilation (ASV) modes of therapy have been developed to manage this central sleep apnea and complex sleep apnea. Studies have demonstrated marginally superior performance of the adaptive servo ventilators in treating Cheyne-Stokes respiration. Adaptive-servo ventilation adapt to the patient’s ventilatory needs on a breath-by-breath basis, automatically calculating a target ventilation and adjusts the pressure support to achieve it.