Cardiopulmonary Interactions during Positive Pressure Ventilation | Zendy

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Cardiopulmonary Interactions during Positive Pressure Ventilation

Author(s) -

John Granton

Publication year - 1996

Publication title -

canadian respiratory journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.675

H-Index - 53

eISSN - 1916-7245

pISSN - 1198-2241

DOI - 10.1155/1996/253907

Subject(s) - medicine , ventricle , hemodynamics , cardiology , cardiac output , ventilation (architecture) , cardiac function curve , anesthesia , heart failure , mechanical engineering , engineering

Positive pressure ventilation (PPV) may lead to significant hemodynamic alterations. The cardiocirculatory effects of PPV occur through alterations in the loading conditions of the right and left ventricle and are mediated by changes in intrathoracic pressures and in lung volume. However, the net effect of PPV on cardiac output and hemodynamics is not always predictable. PPV may lead to either a decrease or an increase in cardiac performance. The cardiac consequences of PPV are also dependent on baseline loading conditions and contractile function of the heart

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