A population-based analysis on the use of therapeutic plasma exchange and intravenous immunoglobulin in heparin-induced thrombocytopenia.
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2021-05
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Abstract
Introduction
In heparin-induced thrombocytopenia (HIT), selected patients are treated with therapies directed at the immune response, intravenous immunoglobulin (IVIG) and therapeutic plasma exchange (TPE). To determine IVIG and TPE characteristics and outcomes in HIT, we analyzed the National Inpatient Sample (NIS) database.Methods
In a population-based analysis of the NIS, we identified hospital discharges of adult patients with a HIT diagnosis. A two-level statistical analysis was performed comparing cases as follows 1) IVIG or TPE vs. none; and 2) IVIG vs. TPE. For each analysis, the primary outcome was in-hospital mortality. Secondary outcomes were thrombotic events, major bleeding, infections, hospital length of stay, and total charges.Results
Among 22,152 discharges with a HIT diagnosis, 77 (0.34%) and 52 (0.23%) received TPE and IVIG, respectively. In the first level analysis of TPE or IVIG vs. no treatment, TPE or IVIG treatment was associated with a higher likelihood of in-hospital mortality (OR = 1.85; 95%CI: 1.13-3.03, p = 0.0104), major bleeding (OR = 1.91; 95%CI: 1.25-2.93, p = 0.0030), gastrointestinal bleeding (OR = 1.89; 95%CI: 1.08-3.30, p = 0.0259), and infection (OR = 1.65; 95% CI:1.13-2.41, p = 0.0095). In the second-level analysis comparing IVIG vs. TPE, there were no significant differences in patient characteristics or outcomes in both unadjusted and adjusted analyses.Conclusions
In this population-based analysis of HIT, we found similar outcomes of IVIG and TPE-treated cases. Given the small sample size, future studies are needed to confirm this observation.Type
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Soares Ferreira JĂșnior, Alexandre, Stephen H Boyle, Maragatha Kuchibhatla and Oluwatoyosi A Onwuemene (2021). A population-based analysis on the use of therapeutic plasma exchange and intravenous immunoglobulin in heparin-induced thrombocytopenia. Thrombosis research, 201. pp. 6â14. 10.1016/j.thromres.2021.02.017 Retrieved from https://hdl.handle.net/10161/27013.
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Scholars@Duke
![Kuchibhatla](https://scholars.duke.edu/profile-images/thumbnail200/0115645.jpg)
Maragatha Kuchibhatla
Statistical research methodology, analysis of repeated measurements, latent growth curve models, latent class growth models, classification and regression trees,
designing clinical trials, designing clinical trials in psychiatry -- both treatment and non-treatment
trials in various comorbid populations.
![Onwuemene](https://scholars.duke.edu/profile-images/thumbnail200/0307957.jpg)
Oluwatoyosi Adefunke Onwuemene
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