Clinical microbiology and infection : the official publication of the European Society of Clinical Microbiology and Infectious Diseases · 2023
Clinical effectiveness of zoster vaccine live in kidney transplant recipients immunized prior to transplantation: a retrospective single-centre cohort study.
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Kim Si-Ho, Huh Kyungmin, Lee Kyo Won, Park Jae Berm, Huh Woo Seong, Ko Jae-Hoon, Cho Sun Young, Kang Cheol-In, Chung Doo Ryeon, Peck Kyong Ran
Аннотация
OBJECTIVES: Kidney transplant (KT) recipients have an increased risk of herpes zoster (HZ) and its complications. Although recombinant zoster vaccine is favoured over zoster vaccine live (ZVL), ZVL is also recommended to prevent HZ for KT candidates. We aimed to evaluate the clinical effectiveness of ZVL in KT recipients immunized before transplantation.
METHODS: Adult patients who received kidney transplantation from January 2014 to December 2018 were enrolled. Patients were observed until HZ occurrence, death, loss of allograft, loss to follow-up, or 5 years after transplantation. The inverse probability of the treatment-weighted Cox proportional hazard model was used to compare the incidence of HZ after transplantation between vaccinated and unvaccinated patients.
RESULTS: A total of 84 vaccinated and 340 unvaccinated patients were included. The median age was higher in the vaccinated group (57 vs. 54 years, p 0.003). Grafts from deceased donors were more frequently transplanted in the unvaccinated group (16.7% vs. 51.8%, p < 0.001). Five-year cumulative HZ incidence was 11.9%, which translated to 26.27 (95% CI, 19.33-34.95) per 1000 person-years. The incidence in the vaccinated and unvaccinated groups was 3.9% and 13.7%, respectively. After adjustment, vaccination showed significant protective effectiveness against HZ (adjusted hazard ratio, 0.18, 95% CI, 0.05-0.60). In addition, all four cases of disseminated zoster occurred in the unvaccinated group.
DISCUSSION: Our study, the first on the clinical effectiveness of zoster vaccines for KT recipients, suggests that ZVL before transplantation effectively prevents HZ.
METHODS: Adult patients who received kidney transplantation from January 2014 to December 2018 were enrolled. Patients were observed until HZ occurrence, death, loss of allograft, loss to follow-up, or 5 years after transplantation. The inverse probability of the treatment-weighted Cox proportional hazard model was used to compare the incidence of HZ after transplantation between vaccinated and unvaccinated patients.
RESULTS: A total of 84 vaccinated and 340 unvaccinated patients were included. The median age was higher in the vaccinated group (57 vs. 54 years, p 0.003). Grafts from deceased donors were more frequently transplanted in the unvaccinated group (16.7% vs. 51.8%, p < 0.001). Five-year cumulative HZ incidence was 11.9%, which translated to 26.27 (95% CI, 19.33-34.95) per 1000 person-years. The incidence in the vaccinated and unvaccinated groups was 3.9% and 13.7%, respectively. After adjustment, vaccination showed significant protective effectiveness against HZ (adjusted hazard ratio, 0.18, 95% CI, 0.05-0.60). In addition, all four cases of disseminated zoster occurred in the unvaccinated group.
DISCUSSION: Our study, the first on the clinical effectiveness of zoster vaccines for KT recipients, suggests that ZVL before transplantation effectively prevents HZ.