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Impact of type of mechanical circulatory support before transplant on postorthotopic heart transplantation infections
Background: Infections after orthotopic heart transplantation (OHT) cause significant morbidity and mortality. Concurrent with increased pre-OHT temporary mechanical circulatory support (MCS), there have been recent concerns of a perceived increase in infections post-OHT. We examined the association between pre-OHT temporary versus durable MCS and post-OHT infection.
Methods: We performed a single-center retrospective review of patients who received OHT at Tufts Medical Center between January 2014 and April 2022. Our composite outcome was the occurrence of bacteremia, invasive fungal infections, opportunistic infections, or skin/soft tissue infections of device sites within 1-year post-OHT. We used Cox proportional hazards models to assess the relationship between the type of pre-OHT MCS and time to the first infection, treating death from other causes as a competing risk. We addressed confounding with 2 statistical
Results: Of the 320 OHT recipients, 268 required MCS before OHT; 192 were managed with durable MCS and 76 with temporary MCS. Patients receiving pre-OHT temporary MCS had no difference in time to first infection (unadjusted hazard ratio [HR] 0.77, 95% CI 0.41-1.44) compared to durable MCS. Results were similar in the model employing PS with IPW (HR 0.61, 95% CI 0.29-1.27) and the IV analysis (HR 0.28, 95% CI 0.26-2.36). Conclusions: Pre-OHT temporary MCS was not associated with the composite outcome of bacteremia, invasive fungal infections, opportunistic infections, or skin/device site infections post-OHT compared to durable MCS in this single-center cohort. © 2024 International Society for the Heart and Lung Transplantation
Authors : Trottier C.A.; Martino A.; Short M.I.; Rodday A.M.; Strand A.M.; Kiernan M.S.; Vest A.R.; Snydman D.R.; Chow J.K.
Source : Elsevier Inc.
Article Information
| Year | 2025 |
| Type | Article |
| DOI | 10.1016/j.healun.2024.09.027 |
| ISSN | 10532498 |
| Volume | 44 |
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