PMID: 26823746Jan 30, 2016Paper

Low tidal volume with PEEP and recruitment expedite the recovery of pulmonary function

International Journal of Clinical and Experimental Pathology
Xin PiEnyou Li

Abstract

The potentially harmful effects of short-term mechanical ventilation during surgery have been examined in recent years. An optimal strategy for mechanical ventilation of patients during non-laparoscopic abdominal surgery must be devised. A total of 63 patients undergoing elective open abdominal surgery with more than 2 h of ventilation time were selected for this randomized, open-label, clinical study. They were divided into three ventilation groups: high volume of 9 ml/kg IBW (ideal body weight) with ZEEP (zero end-expiratory pressure); low volume of 7 ml/kg IBW with 8 cm H2O PEEP (positive end expiratory pressure); and low volume of 7 ml/kg IBW with 8 cm H2O PEEP and recruitment. Intraoperative PaO2/FiO2 ratio and pulmonary compliance and postoperative pulmonary function were measured. There were no significant differences in intraoperative PaO2/FiO2 ratio among the three groups (P=0.31). The pulmonary compliance of three groups showed different changes over time (group effect over time P=0.0006). There were no significant differences in FEV1 or FVC among the three groups (P=0.32 and 0.09, respectively), but both of these measurements showed different changes over time (group effect over time P<0.001). On the first postoperat...Continue Reading

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