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Published on: August 15, 2022
COVID-19 in transplant recipients: The Spanish experience
Elisabeth Coll1, Mario Fernández-Ruiz2,3, J Emilio Sánchez-Álvarez4,5
1Organización Nacional de Trasplantes (Spanish National Transplant Organization), Madrid, Spain.
Insights
Solid organ transplant (SOT) and hematopoietic stem cell transplant (HSCT) recipients in Spain had a higher incidence of coronavirus disease 2019 (COVID-19). Lung transplant recipients, older age, and hospital-acquired COVID-19 were risk factors for mortality in these vulnerable patients.
Area of Science:
- Immunology
- Infectious Diseases
- Transplantation Medicine
Background:
- Solid organ transplant (SOT) and hematopoietic stem cell transplant (HSCT) recipients are considered a vulnerable population for infectious diseases.
- The impact of coronavirus disease 2019 (COVID-19) on SOT and HSCT recipients in Spain was not well-documented.
Purpose of the Study:
- To describe the nationwide experience of COVID-19 in SOT and HSCT recipients in Spain.
- To identify risk factors associated with mortality in this patient cohort.
Main Methods:
- A nationwide retrospective study was conducted, compiling data on SOT and HSCT recipients diagnosed with COVID-19 in Spain until July 13, 2020.
- Data collected included patient demographics, transplant type, interval from transplantation, infection source, therapies received, and clinical outcomes.
- Univariate analysis was performed to identify risk factors for death.
Main Results:
- A total of 778 recipients (423 kidney, 113 HSCT, 110 liver, 69 heart, 54 lung) were included. The incidence of COVID-19 was double that of the general Spanish population.
- Most patients (89%) were hospitalized, and 27% (174 patients) died. Acute respiratory distress syndrome occurred in 35% of patients.
- Risk factors for death included lung transplantation (OR: 2.5), age over 60 years (OR: 3.7), and hospital-acquired COVID-19 (OR: 3.0).
Conclusions:
- SOT and HSCT recipients in Spain experienced a significant burden of COVID-19 with a high mortality rate.
- Lung transplantation, older age, and hospital-acquired infections are critical risk factors for mortality in this immunocompromised group.
- These findings highlight the need for stringent preventive measures and tailored management strategies for COVID-19 in transplant recipients.
Abstract:
We report the nationwide experience with solid organ transplant (SOT) and hematopoietic stem cell transplant (HSCT) recipients diagnosed with coronavirus disease 2019 (COVID-19) in Spain until 13 July 2020. We compiled information for 778 (423 kidney, 113 HSCT, 110 liver, 69 heart, 54 lung, 8 pancreas, 1 multivisceral) recipients. Median age at diagnosis was 61 years (interquartile range [IQR]: 52-70), and 66% were male. The incidence of COVID-19 in SOT recipients was two-fold higher compared to the Spanish general population. The median interval from transplantation was 59 months (IQR: 18-131). Infection was hospital-acquired in 13% of cases. No donor-derived COVID-19 was suspected. Most patients (89%) were admitted to the hospital. Therapies included hydroxychloroquine (84%), azithromycin (53%), protease inhibitors (37%), and interferon-β (5%), whereas immunomodulation was based on corticosteroids (41%) and tocilizumab (21%). Adjustment of immunosuppression was performed in 85% of patients. At the time of analysis, complete follow-up was available from 652 patients. Acute respiratory distress syndrome occurred in 35% of patients. Ultimately, 174 (27%) patients died. In univariate analysis, risk factors for death were lung transplantation (odds ratio [OR]: 2.5; 95% CI: 1.4-4.6), age >60 years (OR: 3.7; 95% CI: 2.5-5.5), and hospital-acquired COVID-19 (OR: 3.0; 95% CI: 1.9-4.9).
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