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Validation of the INCREMENT-SOT-CPE score in a large cohort of liver transplant recipients with carbapenem-resistant Enterobacterales infection

  • CRECOOLT study group
  • Infectious Diseases Unit
  • Azienda Ospedaliero-Universitaria di Bologna Policlinico S. Orsola - Malpighi
  • Department of Medical and Surgical Sciences
  • University of Bologna
  • Working Committee for Hospital Epidemiology and Infection Control
  • Universidade de São Paulo
  • Infectious Diseases Department
  • Department of Surgical Sciences
  • University of Turin
  • Istituto Mediterraneo Trapianti e Terapie ad Alta Specializzazione
  • Department of Surgery Oncology and Gastroenterology
  • Azienda Ospedaliera di Padova
  • Liver Transplant Unit
  • Quinta D'Or Hospital
  • Transplant Infectious Diseases and Immunocompromised Host Service
  • University of Miami
  • Division of Infectious Diseases
  • HU Puerta de Hierro-Majadahonda
  • Servicio de Medicina Preventiva
  • Department of Internal Medicine
  • IRCCS Fondazione Ca'Granda – Ospedale Maggiore Policlinico - Milano
  • Department of Pathophysiology and Transplantation
  • University of Milan
  • Transplant Unit and Infection Control Commission
  • Universidade Federal de Minas Gerais
  • Department of Clinical Microbiology and Infectious Diseases
  • Hospital General Universitario Gregorio Marañon
  • Department of Gastroenterology
  • Intensive Care Unit
  • Rabin Medical Center Israel
  • Infectious Diseases Unit
  • Hospital Israelita Albert Einstein
  • Universidade Federal do Ceará
  • Department of Medicine and Surgery
  • University of Insubria

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

Background: Management of infections due to carbapenemase-resistant Enterobacterales (CRE) in solid organ transplant (SOT) recipients remains a difficult challenge. The INCREMENT-SOT-CPE score has been specifically developed from SOT recipients to stratify mortality risk, but an external validation is lacking. Methods: Multicenter retrospective cohort study of liver transplant (LT) recipients colonized with CRE infection who developed infection after transplant over 7-year period. Primary endpoint was all-cause 30-day mortality from infection onset. A comparison between INCREMENT-SOT-CPE and other selected scores was performed. A two-level mixed effects logistic regression model with random effects for the center was fitted. Performance characteristics at optimal cut-point were calculated. Multivariable Cox regression analysis of risk factors for all-cause 30-day mortality was carried out. Results: Overall, 250 CRE carriers developed infection after LT and were analyzed. The median age was 55 years (interquartile range [IQR]: 46–62) and 157 were males (62.8%). All-cause 30-day mortality was 35.6%. A sequential organ failure assessment (SOFA) score ≥ 11 showed a sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and accuracy of 69.7%, 76.4%, 62.0%, 82.0%, and 74.0%, respectively. An INCREMENT-SOT-CPE ≥ 11 reported a sensitivity, specificity, PPV, NPV, and accuracy of 73.0%, 62.1%, 51.6%, 80.6% and 66.0%, respectively. At multivariable analysis acute renal failure, prolonged mechanical ventilation, INCREMENT-SOT-CPE score ≥ 11 and SOFA score ≥ 11 were independently associated with all-cause 30-day mortality, while a tigecycline-based targeted regimen was found to be protective. Conclusions: Both INCREMENT-SOT-CPE ≥ 11 and SOFA ≥ 11 were identified as strong predictors of all-cause 30-day mortality in a large cohort of CRE carriers developing infection after LT. (Figure presented.).

Original languageEnglish
Article numbere14036
JournalTransplant Infectious Disease
Volume25
Issue number2
DOIs
StatePublished - Apr 2023
Externally publishedYes

Funding

Funders
Universita degli Studi di Bologna

    Keywords

    • CRE infection
    • INCREMENT-SOT-CPE score
    • SOT
    • liver transplantation

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