Respiratory mechanical effects of surgical pneumoperitoneum in humans.

  title={Respiratory mechanical effects of surgical pneumoperitoneum in humans.},
  author={Stephen H Loring and Negin Behazin and Aileen Novero and Victor Novack and Stephanie B. Jones and Carl R O'donnell and Daniel S. Talmor},
  journal={Journal of applied physiology},
  volume={117 9},
Pneumoperitoneum for laparoscopic surgery is known to stiffen the chest wall and respiratory system, but its effects on resting pleural pressure in humans are unknown. We hypothesized that pneumoperitoneum would raise abdominal pressure, push the diaphragm into the thorax, raise pleural pressure, and squeeze the lung, which would become stiffer at low volumes as in severe obesity. Nineteen predominantly obese laparoscopic patients without pulmonary disease were studied supine (level), under… CONTINUE READING


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