Background: Patients undergoing abdominal wall reconstruction are at risk of developing major postoperative respiratory complications. The authors attempted to identify factors predictive of respiratory complications following abdominal wall reconstruction.
Methods: All patients who underwent complex abdominal wall reconstruction over a 2-year period were reviewed. The primary endpoint studied was severe respiratory complication, defined as respiratory insufficiency requiring intubation or transfer to a higher level of care.
Results: Sixty patients underwent complex abdominal wall reconstruction during the study period. The incidence of respiratory complications was 20 percent. Factors predictive of postoperative respiratory complication included age (p = 0.05), American Society of Anesthesiologists score (p = 0.04), and hernia defect size (p = 0.01). In addition, patients who developed respiratory complications were more likely to have had a greater change in plateau pressure (5.8 versus 2.3 cmH(2)O; p = 0.01). The greater the change in plateau pressure, the greater the risk of developing a respiratory complication: for a change in plateau pressure greater than or equal to 6 cmH(2)O, the odds ratio was 8.67; for a change in plateau pressure greater than or equal to 9 cmH(2)O, the odds ratio was 11.5.
Conclusions: Respiratory complications following abdominal wall reconstruction can be serious and are associated with prolonged hospitalizations. Patients with an increase in their plateau pressure of greater than 6 cmH(2)O are at an increased risk of severe postoperative respiratory complications.
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