Key result
Pressure-controlled ventilation, positive end-expiratory pressure, recruitment maneuvers, and prolonged inspiratory to expiratory ratio may improve respiratory mechanics or oxygenation during laparoscopic surgery.
Why the study?
Do specific ventilation strategies (PCV, PEEP, recruitment maneuvers, prolonged I:E ratio) improve respiratory mechanics and arterial oxygenation in patients undergoing laparoscopic surgery?
Do specific ventilation strategies (PCV, PEEP, recruitment maneuvers, prolonged I:E ratio) improve respiratory mechanics and arterial oxygenation in patients undergoing laparoscopic surgery?
Answers are grounded in this paper and cite their sources.
Pressure-controlled ventilation, optimal PEEP, alveolar recruitment, and prolonged I:E ratio may improve respiratory mechanics and oxygenation during laparoscopy, though hemodynamic effects require monitoring.
The main stream of intraabdominal surgery has changed from laparotomy to laparoscopy, but anesthetic care for laparoscopic surgery is challenging for clinicians, because pneumoperitoneum might aggravate respiratory mechanics and arterial oxygenation. The authors reviewed the literature regarding ventilation strategies that reduce deleterious pulmonary physiologic changes during pneumoperitoneum for laparoscopic surgery under general anesthesia and make appropriate recommendations.
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Jo et al. (2017) conducted a review in Laparoscopic surgery. Pressure-controlled ventilation, PEEP, recruitment maneuvers, and prolonged I:E ratio vs. Volume-controlled ventilation and conventional settings was evaluated. Pressure-controlled ventilation, positive end-expiratory pressure, recruitment maneuvers, and prolonged inspiratory to expiratory ratio may improve respiratory mechanics or oxygenation during laparoscopic surgery.
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