• Aruna D Herath, Kana R Jat, Rakesh Lodha, Venkateswaran K Iyer, Jayati Sarangi, and Sushil K Kabra.
• Departments of Pediatrics.
• J Bronchology Interv Pulmonol. 2021 Jul 1; 28 (3): 201-208.

BackgroundBronchoalveolar lavage (BAL) via flexible bronchoscopy is a valuable diagnostic technique in children. The quality of BAL is directly related to the volume of the fluid recovered. Continuous wall suctioning and handheld syringe suctioning are the 2 commonly used methods, but they are rarely compared in children. We aimed to compare the above 2 suctioning techniques for BAL in the pediatric age group.MethodsThis randomized controlled study enrolled children from 1 month to 18 years of age undergoing flexible bronchoscopy and BAL. We compared continuous wall suctioning and the handheld syringe suctioning technique. The primary outcome was the percentage of BAL fluid recovery in 2 different suctioning techniques. Secondary outcomes included technical acceptable BAL and yield of various diagnostic tests in BAL.ResultsThe study included 73 children (48 boys) with a median (interquartile range) age of 30 (8, 108) months. There were 37 children in the wall mount group and 36 children in the syringe suction group. Baseline characteristics of the groups were similar. The wall mount suction had more recovery of BAL fluid compared with the syringe method (43.6±8.4% vs. 37.8±8.5%, P=0.004). The proportion of BAL having a fluid recovery of ≥40% was also high in the wall mount suction [31 (83.8%) vs. 17 (47.2%); P=0.001]. There was no difference in diagnostic yield between the groups.ConclusionWall mount suction had better BAL fluid recovery compared with handheld syringe suction in children undergoing flexible bronchoscopy. The diagnostic yield was similar in both groups.Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.

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