Fatal Breakthrough COVID-19 in patients with kidney disorders

In a sample from Brazilian SIVEP-Gripe database (Sistema de Informação de Vigilância Epidemiológica da Gripe), COVID-19 breakthrough infections associated with hospitalization and death were more frequent in older patients (age ≥60 years) and those with kidney disorders.

Among 2777 patients with COVID-19 admitted to a hospital between January 5, 2021 and September 12, 2021, 257 were fully vaccinated (15 days or more after vaccine series completion), and 112 of them died. 

Vaccines have limited impact on patients with kidney failure.

As of 19th September 2021, 93% (n=5281) of patients with kidney failure requiring kidney replacement therapy (KRT) in Scotland had received two doses of an approved SARS-CoV-2 vaccine. The Glasgow study recorded 814 cases of SARS-CoV-2 infection (15.1% of the KRT population). Vaccine effectiveness against infection and hospitalization was 33% (95% CI 0-52) and 38% (95% CI 0-57) respectively. 9.2% of fully vaccinated individuals died within 28 days of a SARS-CoV-2 positive PCR test (7% dialysis patients and 10% kidney transplant recipients). This compares to <0.1% of the vaccinated Scottish population being admitted to hospital or dying due to COVID19 during that period.


REFERENCES

Estofolete CF, Fares GF, Banho CA, Sacchetto L, Campos GR, Moraes MM, Dos Santos TM, da Silva GC, Queiroz F, de Moura Mendes L, Salomão ML. Predictors of death in COVID-19 vaccine breakthrough infections in Brazil. Journal of Infection. 2022 Feb 2.

Bell S, Campbell J, Lambourg E, Watters C, O'Neill M, Almond A, Buck K, Carr E, Clark L, Cousland Z, Findlay M. The impact of vaccination on incidence and outcomes of SARS-CoV-2 infection in patients with kidney failure in Scotland. Journal of the American Society of Nephrology (Early Online Publication). 2022 Feb 2.


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