Study Design
This study was a retrospective chart review of all infants with a diagnosis of chylothorax at Texas Children’s Hospital (TCH) who received sirolimus as treatment between January 1st 2009 and December 31st 2020. Institutional Review Board approval was obtained through the Baylor College of Medicine prior to undertaking this study. Informed consent and authorization were waived as the chart review was completed retrospectively and no direct patient contact was required for study completion.