Objective: To investigate the postoperative pulmonary function, imaging descriptions and complications in infants with congenital pulmonary airway malformations (CPAM), and to examine the impact of different surgical resections on the prognosis of infants.
Methods: Data of 30 infants with CPAM who underwent surgery at the department of Pediatric Surgery, Guangzhou Women and Children's Medical Center from June 2021 to June 2022 were retrospectively collected and analyzed. The pulmonary function indexes of the infants during the first month and first year after surgery were analyzed to assess prognosis. Pulmonary function data from healthy individuals at similar age were collected as a control group.
Results: The post-operative short-term pulmonary function was recovered to a normal level in 26.7% cases of 30 CPAM infants, with a decrease in tidal volume (VT), ratio inspiratory time to expiratory time (TI/TE), time to peak tidal expiratory flow as a proportion of expiratory time (TPTEF/TE), volume to peak expiratory flow as a proportion of exhaled volume (VPEF/VE) and mean expiratory flow as a proportion of mean inspiratory flow (MEF/MIF) when compared to the control group (all P<0.01). One year after operation, 25 CPAM infants received pulmonary function tests and 52% of them had indexes at normal level. There was no statistically significant difference in results of pulmonary function test between infants who received lobectomy and those who received segmentectomy (P>0.05). The postoperative complication rate was 26.7%.
Conclusion: Over half of CPAM infants have normalized lung function one year after operation and the choice of lobectomy and segmentectomy had no significant difference on prognosis of infants.
Keywords: Congenital pulmonary airway malformation; infants; pulmonary function; surgery.
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