• Yong Quan Alvin Soon, Kian Wei Alvin Tan, Lakshmi Kumar, and Uei Pua.
• Department of Diagnostic Radiology, Tan Tock Seng Hospital, Singapore.
• Singap Med J. 2021 Jan 1; 62 (1): 161916-19.

IntroductionMany institutions still perform routine chest radiography (CXR) after tube thoracostomies despite current guidelines suggesting that this is not necessary for simple cases. We aimed to evaluate the usefulness of routine CXR following ultrasonography-guided catheter thoracostomies for the detection of complications of symptomatic pleural effusions in hospitalised patients.MethodsThis was a retrospective review of 2,032 ultrasonography-guided thoracostomies on hospitalised patients with symptomatic effusions at a single institution from April 2012 to May 2015. The aetiology of effusions was not systemically registered, but patient demographics, procedural details and clinical outcomes were collected. Data was analysed using descriptive statistics and chi-square test. Generalised estimating equation analysis was performed to assess the relationship between CXR findings and complications while controlling for age.ResultsOut of 2,032 CXRs, 92.96% (n = 1,889) were normal, 5.81% (n = 118) showed pneumothorax and 1.23% (n = 25) showed catheter kinking. 99 pneumothoraces and 24 kinked catheters were detected in the first hour post procedure. 97.40% (n = 115) of patients with pneumothorax were stable or had minor complications, such as a vasovagal event. 0.20% (n = 4) of the cases had a serious complication following chest drain insertion, resulting in cardiovascular collapse. There was no significant relationship between CXR results and occurrence of complications (p = 0.244). Amount of fluid drained or side of insertion did not affect the clinical outcome.ConclusionRoutine use of CXR after tube thoracostomy did not significantly change patient management, which was concordant with recent guidelines. Instead, adverse clinical outcomes or procedural factors should guide investigations.Copyright: © Singapore Medical Association.

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