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Contemporary trends in PGD incidence, outcomes, and therapies
- Cantu, Edward;
- Diamond, Joshua M;
- Cevasco, Marisa;
- Suzuki, Yoshi;
- Crespo, Maria;
- Clausen, Emily;
- Dallara, Laura;
- Ramon, Christian V;
- Harmon, Michael T;
- Bermudez, Christian;
- Benvenuto, Luke;
- Anderson, Michaela;
- Wille, Keith M;
- Weinacker, Ann;
- Dhillon, Gundeep S;
- Orens, Jonathan;
- Shah, Pali;
- Merlo, Christian;
- Lama, Vibha;
- McDyer, John;
- Snyder, Laurie;
- Palmer, Scott;
- Hartwig, Matt;
- Hage, Chadi A;
- Singer, Jonathan;
- Calfee, Carolyn;
- Kukreja, Jasleen;
- Greenland, John R;
- Ware, Lorraine B;
- Localio, Russel;
- Hsu, Jesse;
- Gallop, Robert;
- Christie, Jason D
- et al.
Published Web Location
https://doi.org/10.1016/j.healun.2022.08.013Abstract
Background
We sought to describe trends in extracorporeal membrane oxygenation (ECMO) use, and define the impact on PGD incidence and early mortality in lung transplantation.Methods
Patients were enrolled from August 2011 to June 2018 at 10 transplant centers in the multi-center Lung Transplant Outcomes Group prospective cohort study. PGD was defined as Grade 3 at 48 or 72 hours, based on the 2016 PGD ISHLT guidelines. Logistic regression and survival models were used to contrast between group effects for event (i.e., PGD and Death) and time-to-event (i.e., death, extubation, discharge) outcomes respectively. Both modeling frameworks accommodate the inclusion of potential confounders.Results
A total of 1,528 subjects were enrolled with a 25.7% incidence of PGD. Annual PGD incidence (14.3%-38.2%, p = .0002), median LAS (38.0-47.7 p = .009) and the use of ECMO salvage for PGD (5.7%-20.9%, p = .007) increased over the course of the study. PGD was associated with increased 1 year mortality (OR 1.7 [95% C.I. 1.2, 2.3], p = .0001). Bridging strategies were not associated with increased mortality compared to non-bridged patients (p = .66); however, salvage ECMO for PGD was significantly associated with increased mortality (OR 1.9 [1.3, 2.7], p = .0007). Restricted mean survival time comparison at 1-year demonstrated 84.1 days lost in venoarterial salvaged recipients with PGD when compared to those without PGD (ratio 1.3 [1.1, 1.5]) and 27.2 days for venovenous with PGD (ratio 1.1 [1.0, 1.4]).Conclusions
PGD incidence continues to rise in modern transplant practice paralleled by significant increases in recipient severity of illness. Bridging strategies have increased but did not affect PGD incidence or mortality. PGD remains highly associated with mortality and is increasingly treated with salvage ECMO.Many UC-authored scholarly publications are freely available on this site because of the UC's open access policies. Let us know how this access is important for you.
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