Comparative Evaluation of the Effects of Three Different Recruitment Maneuvers during Laparoscopic Bariatric Surgeries of Morbid Obese Patients on Cardiopulmonary Indices

Golparvar, Mohammad; Mofrad, Simaa Zangouei; Mahmoodieh, Mohsen; Kalidarei, Behrooz

Comparative Evaluation of the Effects of Three Different Recruitment Maneuvers during Laparoscopic Bariatric Surgeries of Morbid Obese Patients on Cardiopulmonary Indices

Document Type : Original Article

Authors

¹ Department of Anesthesia, Medical School, Isfahan University of Medical Sciences, Isfahan, Iran

² Department of Surgery, Medical School, Isfahan University of Medical Sciences, Isfahan, Iran

Abstract

Background: Laparoscopic bariatric surgeries in morbid obese patients may be associated with atelectasis, hypercapnia, and hypoxemia, intra and postoperatively. Several strategies are used for the prevention of these consequences. This study aimed to examine the effects of three different recruitment maneuvers comparatively during surgery and the influence of the maneuvers on some cardiopulmonary indices. Materials and Methods: In a clinical trial, ninety participants of laparoscopic surgery with body mass index higher than 40 were randomly divided into three equal groups. The first group was subject to 10 cmH₂O positive end-expiratory pressure (PEEP) during surgery, the second group, after venting the pneumoperitoneum, had 5 deep breaths with a positive pressure of 40 cmH₂O, and the third group was subject to both. Some pulmonary and hemodynamic parameters were measured every 15 min and compared between three groups. Results: The average of peak airway pressure, plateau airway pressure, and SpO₂static and dynamic compliance between the three groups had no meaningful differences (P > 0.05), but PaCO₂in the second group was statistically higher than the other two groups (P < 0.05). Conclusion: Multiple deep breaths alone are not as effective as PEEP or PEEP plus MDB in preventing adverse pulmonary effects in laparoscopic bariatric surgeries of morbid obese patients.

Keywords

References

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