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. 2022 Jul 14;12(7):1053.
doi: 10.3390/life12071053.

Outcome and Midterm Survival after Heart Transplantation Is Independent from Donor Length of Stay in the Intensive Care Unit

Daniel Oehler  1 , Charlotte Böttger  2 , Moritz Benjamin Immohr  3 , Raphael Romano Bruno  1 , Jafer Haschemi  1 , Daniel Scheiber  1 , Patrick Horn  1 , Hug Aubin  3 , Igor Tudorache  3 , Ralf Westenfeld  1 , Payam Akhyari  3 , Malte Kelm  1 , Artur Lichtenberg  3 , Udo Boeken  3
Affiliations

Outcome and Midterm Survival after Heart Transplantation Is Independent from Donor Length of Stay in the Intensive Care Unit

Daniel Oehler et al. Life (Basel). .

Abstract

Prolonged treatment of organ donors in the intensive care unit (ICU) may be associated with complications influencing the outcome after heart transplantation (HTx). We therefore aim to explore the potential impact of the donor length of stay (LOS) in the ICU on outcomes in our cohort. We included all patients undergoing HTx in our center between September 2010 and April 2022 (n = 241). Recipients were divided around the median into three groups regarding their donor LOS in the ICU: 0 to 3 days (≤50th percentile, n = 92), 4 to 7 days (50th-75th percentile, n = 80), and ≥8 days (≥75th percentile, n = 69). Donor LOS in the ICU ranged between 0 and 155 days (median 4, IQR 3-8 days). No association between the LOS in the ICU and survival after HTx was observed (AUC for overall survival 0.514). Neither the Kaplan-Meier survival analysis up to 5 years after HTx (Log-Rank p = 0.789) nor group comparisons showed significant differences. Baseline recipient characteristics were comparable between the groups, while the donor baselines differed in some parameters, such as less cardiopulmonary resuscitation prior to HTx in those with a prolonged LOS. However, regarding the recipients' peri- and postoperative parameters, the groups did not differ in all of the assessed parameters. Thus, in this retrospective analysis, although the donors differed in baseline parameters, the donor LOS in the ICU was not associated with altered recipient survival or outcome after HTx.

Keywords: donor stay in ICU; heart transplantation; midterm survival.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Association of donor length of stay in the ICU and survival. (A) Receiver operating characteristics (ROC) analysis for 1-year, 5-year, and overall survival. Area under the curve (AUC) shows no association for either 1-year (AUC 0.503), 5-year (AUC 0.548), or overall survival (AUC 0.514); (Log-Rank p = 0.789). (B) The Kaplan–Meier survivals for short (0 to 3 days, n = 92), medium (4 to 7 days, n = 80), and long (≥8 days, n = 69) donor length of stay in the ICU prior to organ removal. Data under the graph represent patients at risk at specific time points in all groups. For details see text.
See this image and copyright information in PMC

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