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. 2023 Dec;37(12):e15122.
doi: 10.1111/ctr.15122. Epub 2023 Sep 11.

Hemodynamic failure and graft dysfunction after lung transplant: A possible clinical continuum with immediate and long-term consequences

Vittorio Scaravilli  1   2 , Amedeo Guzzardella  3 , Fabiana Madotto  3 , Letizia Corinna Morlacchi  3   4 , Marco Bosone  3 , Claudia Bonetti  3 , Valeria Musso  3 , Valeria Rossetti  3   4 , Filippo Maria Russo  1 , Lorenzo Del Sorbo  5 , Francesco Blasi  3   4 , Mario Nosotti  3   6 , Alberto Zanella  1   3 , Giacomo Grasselli  1   3
Affiliations
Free article

Hemodynamic failure and graft dysfunction after lung transplant: A possible clinical continuum with immediate and long-term consequences

Vittorio Scaravilli et al. Clin Transplant. 2023 Dec.
Free article

Abstract

Introduction: The postoperative hemodynamic management after lung transplant (LUTX) is guided by limited evidence. We aimed to describe and evaluate risk factors and outcomes of postoperative vasoactive support of LUTX recipients.

Methods: In a single-center retrospective analysis of consecutive adult LUTX, two cohorts were identified: (1) patients needing prolonged vasoactive support (>12 h from ICU admission) (VASO+); (2) or not (VASO-). Postoperative hemodynamic characteristics were thoroughly analyzed. Risk factors and outcomes of VASO+ versus VASO- cohorts were assessed by multivariate logistic regression and propensity score matching.

Results: One hundred and thirty-eight patients were included (86 (62%) VASO+ versus 52 (38%) VASO-). Vasopressors (epinephrine, norepinephrine, dopamine) were used in the first postoperative days (vasoactive inotropic score at 12 h: 6 [4-12]), while inodilators (dobutamine, levosimendan) later. Length of vasoactive support was 3 [2-4] days. Independent predictors of vasoactive use were: LUTX indication different from cystic fibrosis (p = .003), higher Oto score (p = .020), longer cold ischemia time (p = .031), but not preoperative cardiac catheterization. VASO+ patients showed concomitant hemodynamic and graft impairment, with longer mechanical ventilation (p = .010), higher primary graft dysfunction (PGD) grade at 72 h (PGD grade > 0 65% vs. 31%, p = .004, OR 4.2 [1.54-11.2]), longer ICU (p < .001) and hospital stay (p = .013). Levosimendan as a second-line inodilator appeared safe.

Conclusions: Vasoactive support is frequently necessary after LUTX, especially in recipients of grafts of lesser quality. Postoperative hemodynamic dysfunction requiring vasopressor support and graft dysfunction may represent a clinical continuum with immediate and long-term consequences. Further studies may elucidate if this represents a possible treatable condition.

Keywords: hemodynamics; lung transplant; primary graft dysfunction; vasoactive support.

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References

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