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Nurs. Clin. North Am. · Mar 2008
ReviewCardiovascular effects of mechanical ventilation and weaning.
- Susan K Frazier.
- College of Nursing, University of Kentucky, 523 CON Building, 760 Rose Street, Lexington, KY 40536-0232, USA. skfraz2@email.uky.edu <skfraz2@email.uky.edu>
- Nurs. Clin. North Am. 2008 Mar 1;43(1):1-15; v.
AbstractBecause of their anatomic position in the closed thoracic cavity, the heart and lungs interact during each ventilation cycle. The application of mechanical ventilation and subsequent removal changes normal ventilatory mechanics and produces alterations in cardiac preload and afterload that influence global hemodynamic state and delivery of oxygen and nutrients. Adverse cardiovascular responses to mechanical ventilation and weaning from ventilation include hemodynamic alterations and instability, myocardial ischemia, autonomic dysfunction, and cardiac dysrhythmias. Clinicians must have a clear understanding of the cardiovascular effects of mechanical ventilation and weaning so they may anticipate, recognize, and effectively manage negative effects and improve patient outcomes.
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