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Updated: Aug 12, 2026

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Long-term management of diaphragmatic paralysis complicating prosthetic valve replacement
Abstract:
The exact incidence of diaphragmatic paralysis complicating secondary heart procedures is not known. The postoperative period can be complicated by difficulty in weaning from mechanical ventilation and misinterpretation of the clinical signs of respiratory muscle fatigue for congestive heart failure and acute bronchospasm. We present 3 patients, all of whom had right diaphragmatic paralysis and recurrent respiratory failure after a second mitral valve replacement. Long-term management with night-time ventilation in 2 patients resulted in no further episodes of respiratory failure and physical rehabilitation with exercise tolerance significantly greater than the preoperative state.
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