Mortality after treatment of malignant pleural effusions with indwelling pleural catheters versus chemical pleurodesis: a population-based study

Autor: Chanel Kwok, Kednapa Thavorn, Kayvan Amjadi, Shawn D. Aaron, Tetyana Kendzerska
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Respiratory Research, Vol 25, Iss 1, Pp 1-11 (2024)
Druh dokumentu: article
ISSN: 1465-993X
DOI: 10.1186/s12931-024-03023-6
Popis: Abstract Background Little is known about patient outcomes following treatment of malignant pleural effusions (MPE) in the real-world setting. Research question We aimed to compare post-procedure all-cause mortality between individuals who received indwelling pleural catheter (IPC) insertion versus chemical pleurodesis for managing MPEs. Study design and methods We performed a retrospective population-based study using provincial health administrative data (Ontario, Canada) of adults with a MPE who underwent IPC insertion or chemical pleurodesis between 2015 and 2019. Individuals were followed until death or March 31, 2021. Difference in post-procedure mortality was calculated using inverse probability of treatment weighting (IPTW)-adjusted Cox proportional hazard regression analysis to balance potential confounders at baseline. Results We identified 4,790 (77.3%) individuals who received an IPC and 1,407 (22.7%) who had chemical pleurodesis for MPE. IPC insertions are increasing and chemical pleurodesis procedures are decreasing. The majority of IPCs were inserted in outpatients (61%), by pulmonologists (64.2%) and at sites with higher annual IPC volume, while chemical pleurodesis procedures were generally done by thoracic surgeons (74%) and at sites with higher annual pleurodesis volumes. In unadjusted comparison median time from initial cancer diagnosis to intervention was significantly longer in the IPC group (244 days, interquartile range [IQR]:33–903) compared to pleurodesis group (81 days, IQR:10–737; p
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