Respiratory Effects of Anesthesia

  • P. R. M. Rocco
  • W. A. Zin
Conference paper


Anesthesia affects respiration, changing arterial oxygenation in either spontaneous or controlled breathing patients [1, 2, 3, 4, 5]. In addition, these respiratory effects are more severe in the elderly [6, 7], the obese [8], and smokers [9]. Anesthesia causes ventilation-perfusion relationship changes, mainly shunt, that correlate closely with the degree of atelectasis [6, 10, 11]. Furthermore, anesthesia changes respiratory system ventilation, muscle function, and respiratory mechanics. This chapter presents a brief overview of respiratory effects of anesthesia, detailing the changes in ventilation, functional residual capacity (FRC), respiratory mechanics, and pulmonary gas exchange.


Respiratory Muscle Laryngeal Mask Airway Functional Residual Capacity Respiratory Effect Minimum Alveolar Concentration 
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Copyright information

© Springer-Verlag Italia 2002

Authors and Affiliations

  • P. R. M. Rocco
    • 1
  • W. A. Zin
    • 1
  1. 1.Laboratory of Respiration PhysiologyCarlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, Centre for Health SciencesRio de JaneiroBrazil

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