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. 2021 Jan 1;105(1):128-137.
doi: 10.1097/TP.0000000000003447.

COVID-19 Outcomes Among Solid Organ Transplant Recipients: A Case-control Study

Pratima Sharma  1 , Vincent Chen  1 , Christopher M Fung  2 , Jonathan P Troost  3 , Vaiibhav N Patel  1 , Michael Combs  1 , Silas Norman  1 , Puneet Garg  1 , Monica Colvin  1 , Keith Aaronson  1 , Christopher J Sonnenday  4 , Jonathan L Golob  1 , Emily C Somers  1   5 , Mona M Doshi  1
Affiliations

COVID-19 Outcomes Among Solid Organ Transplant Recipients: A Case-control Study

Pratima Sharma et al. Transplantation. .

Abstract

Background: Solid organ transplant (SOT) recipients are considered to be "vulnerable" to COVID-19 infection due to immunosuppression. To date, there are no studies that compared the disease severity of COVID-19 in SOT recipients with nontransplant patients.

Methods: In this case-control study, we compared the outcomes of COVID-19 between SOT recipients and their matched nontransplant controls. The cases were all adult SOT recipients (N = 41) from our academic health center who were diagnosed with COVID-19 between March 10, 2020 and May 15, 2020 using positive reverse transcriptase polymerase chain reaction for SARS-CoV2. The controls (N = 121) were matched on age (±5 y), race, and admission status (hospital or outpatient). The primary outcome was death and secondary outcomes were severe disease, intubation and renal replacement therapy (RRT).

Results: Median age of SOT recipients (9 heart, 3 lung, 16 kidney, 8 liver, and 5 dual organ) was 60 y, 80% were male and 67% were Black. Severe disease adjusted risk of death was similar in both the groups (hazard ratio = 0.84 [0.32-2.20]). Severity of COVID-19 and intubation were similar, but the RRT use was higher in SOT (odds ratio = 5.32 [1.26, 22.42]) compared to non-SOT COVID-19 patients. Among SOT recipients, COVID-19-related treatment with hydroxychloroquine (HCQ) was associated with 10-fold higher hazard of death compared to without HCQ (hazard ratio = 10.62 [1.24-91.09]).

Conclusions: Although African Americans constituted one-tenth of all SOT in our center, they represented two-thirds of COVID-19 cases. Despite high RRT use in SOT recipients, the severe disease and short-term death were similar in both groups. HCQ for the treatment of COVID-19 among SOT recipients was associated with high mortality and therefore, its role as a treatment modality requires further scrutiny.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1.
Figure 1.
Outcomes of solid organ transplant recipients with COVID-19
Figure 2.
Figure 2.
Outcomes of nonsolid organ transplant matched controls with COVID-19
Figure 3.
Figure 3.
Cumulative survival in COVID19 infected patients stratified by cases and control
Figure 4a.
Figure 4a.
Covariate adjusted survival among HCQ treated SOT vs HCQ untreated SOT (Cases)
Figure 4b.
Figure 4b.
Covariate adjusted survival among HCQ treated SOT vs HCQ untreated SOT (Controls)
See this image and copyright information in PMC

References

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