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Vaccination and COVID-19 Dynamics in Dialysis Patients.
El Karoui, Khalil; Hourmant, Maryvonne; Ayav, Carole; Glowacki, François; Couchoud, Cécile; Lapidus, Nathanaël.
  • El Karoui K; Assistance Publique Hôpitaux de Paris (AP-HP), Hôpitaux Universitaires Henri Mondor, Service de Néphrologie et Transplantation, Centre de Référence Maladie Rare "Syndrome Néphrotique Idiopathique," Fédération Hospitalo-Universitaire "Innovative therapy for immune disorders," Créteil, France khalil.e
  • Hourmant M; Univ Paris Est Créteil, INSERM U955, Institut Mondor de Recherche Biomédicale (IMRB), Equipe 21, Créteil, France.
  • Ayav C; Nephrology Department, Nantes University Hospital, Nantes, France.
  • Glowacki F; REIN Registry, Agence de la biomédecine, Saint-Denis La Plaine, France.
  • Couchoud C; CHRU-Nancy, INSERM, Université de Lorraine, CIC, Epidémiologie Clinique, F-54000, Nancy, France.
  • Lapidus N; REIN Registry, Agence de la biomédecine, Saint-Denis La Plaine, France.
Clin J Am Soc Nephrol ; 17(3): 395-402, 2022 03.
Article in English | MEDLINE | ID: covidwho-1707022
ABSTRACT
BACKGROUND AND

OBJECTIVES:

Dialysis patients have a high mortality risk after coronavirus disease 2019 (COVID-19) and an altered immunologic response to vaccines, but vaccine clinical effectiveness remains unknown in this population. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS Using Bayesian multivariable spatiotemporal models, we estimated the association between vaccine exposure and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) severe infections (with hospital admission) in dialysis patients from simultaneous incidence in the general population. For dialysis patients, cases were reported within the French end-stage kidney disease REIN registry from March 11, 2020, to April 29, 2021, and vaccine exposure (first dose) was reported in weekly national surveys since January 2021. Cases in the general population were obtained from the national exhaustive inpatient surveillance system (SI-VIC database), and vaccination coverage (first dose) was obtained from the national surveillance system (VAC-SI database).

RESULTS:

During the first wave, incidence in dialysis patients was approximately proportional to the general population. However, we showed a lower relative incidence for dialysis patients during the second wave (compared with that observed in nondialysis patients), suggesting an effect of prevention measures. Moreover, from the beginning of the vaccination rollout, incidence in dialysis patients was lower compared with predictions based on the first and second waves. Adding vaccination coverages in dialysis and nondialysis patients as predictors allowed the reported cases to be fit correctly (3685 predicted cases, 95% confidence interval, 3552 to 3816, versus 3620 reported). Incidence rate ratios were 0.37 (95% confidence interval, 0.18 to 0.71) for vaccine exposure in dialysis patients and 0.50 (95% confidence interval, 0.40 to 0.61) per 10% higher in vaccination coverage in the same-age general population, meaning that vaccine exposure in dialysis patients and the general population was independently associated with lower hospitalization rate of dialysis patients.

CONCLUSIONS:

Our findings suggest that vaccination may yield a protective effect against severe forms of COVID-19 in dialysis patients, despite altered immunologic vaccine responses.
Subject(s)
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Renal Dialysis / Renal Insufficiency, Chronic / Immunogenicity, Vaccine / COVID-19 Vaccines / SARS-CoV-2 / COVID-19 / Vaccine Efficacy Type of study: Observational study / Prognostic study Topics: Vaccines Limits: Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: Europa Language: English Journal: Clin J Am Soc Nephrol Journal subject: Nephrology Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Renal Dialysis / Renal Insufficiency, Chronic / Immunogenicity, Vaccine / COVID-19 Vaccines / SARS-CoV-2 / COVID-19 / Vaccine Efficacy Type of study: Observational study / Prognostic study Topics: Vaccines Limits: Adult / Aged / Female / Humans / Male / Middle aged Country/Region as subject: Europa Language: English Journal: Clin J Am Soc Nephrol Journal subject: Nephrology Year: 2022 Document Type: Article