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Review of Early Postoperative Metrics for Children Undergoing Resection of Congenital Pulmonary Airway Malformations and Report of Pleuropulmonary Blastoma at a Single Institution.

PURPOSE:  The purpose of this study is to describe a single institution's 11-year experience treating children with congenital pulmonary airway malformations (CPAMs) and pleuropulmonary blastoma (PPB).

MATERIALS AND METHODS:  An institutional database was sampled for all patients aged 0 to 18 years from January 1, 2005, to December 31, 2015. Patients with a pathologic diagnosis of CPAM or PPB during this period were reviewed.

RESULTS:  A total of 51 patients with a pathologic diagnosis of CPAM ( n  = 45; 88.2%) or PPB ( n  = 6; 11.8%) underwent surgical resection. Among patients treated for PPB, one death occurred approximately 13 months after diagnosis. Although four patients with PPB (four out of six; 66.7%) had radiographic indicators highly suggestive of malignancy prior to surgery, two had a preoperative diagnosis of CPAM (two out of six; 33.3%). Twenty-four patients (24 out of 45; 53.3%) with CPAM underwent resection after developing symptoms and 21 (21 out of 45; 46.7%) were symptomatic at the time of surgery. Mann-Whitney's tests revealed a statistically significant difference in postoperative length of stay (median: 6 vs. 3 days; p  < 0.001) and days with thoracostomy tube in place (median 3 vs. 2 days; p  = 0.003) for symptomatic versus asymptomatic patients, respectively.

CONCLUSION:  CPAM patients appear to recover faster from surgery, if performed before the onset of symptoms. There may be a benefit to waiting until at least 3 months of age to complete resection in the asymptomatic patient. A low threshold for resection should be maintained in patients where delineating CPAM from PPB is difficult.

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