Background: Studies on the association between pleural effusion (PE) and left ventricular assist devices (LVADs) are limited. This study aimed to examine the characteristics and the clinical impact of PE following LVAD implantation.
Methods: This study is a prospective analysis of patients who underwent LVAD implantation from June 2015 to December 2022. We investigated the prognostic impact of therapeutic drainage (TD) on clinical outcomes. We also compared the characteristics and clinical outcomes between early and late PE and examined the factors related to the development of late PE.
Results: A total of 71 patients was analyzed. The TD group (n=45) had a longer ward stay (days; median [interquartile range]: 31.0 [23.0-46.0] vs. 21.0 [16.0-34.0], P=0.006) and total hospital stay (47.0 [36.0-82.0] vs. 31.0 [22.0-48.0], P=0.002) compared to the no TD group (n=26). Early PE was mostly exudate, left-sided, and neutrophil-dominant even though predominance of lymphocytes was the most common finding in late PE. Patients with late PE had a higher rate of reintubation within 14 days (31.8% vs. 4.1%, P=0.004) and longer hospital stays than those without late PE (67.0 [43.0-104.0] vs. 36.0 [28.0-48.0], P<0.001). Subgroup analysis indicated that female sex, low body mass index, cardiac resynchronization therapy, and hypoalbuminemia were associated with late PE.
Conclusions: Compared to patients not undergoing TD, those undergoing TD had a longer hospital stay but not a higher 90-day mortality. Patients with late PE had poor clinical outcomes. Therefore, the correction of risk factors, like hypoalbuminemia, may be required.
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| http://dx.doi.org/10.4266/acc.2023.01102 | DOI Listing |
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