“…Regarding postoperative complication risk, outcomes described in the literature are mixed and our results were not always concordant. Some studies reported a slight increased rate of early complications such as pleural effusion requiring drainage (6%), hemothorax (8%), pericarditis (4%), and increased rate of pulmonary parenchymal laceration and myocardial injuries [5,29] while other investigators report no increase in the rate of complications [4]. In addition patients who had a previous Ravitch operation, when managed with Nuss revision, appear to have an increased rate (12%) of bar displacement [6,16].…”