Impact of Acute Kidney Injury on the COVID-19 In-Hospital Mortality in Octogenarian Patients: Insights from the COVOCA Study

Author:

Caturano Alfredo12ORCID,Galiero Raffaele1ORCID,Vetrano Erica1,Medicamento Giulia1,Alfano Maria1,Beccia Domenico1,Brin Chiara1ORCID,Colantuoni Sara1,Di Salvo Jessica1,Epifani Raffaella1,Nevola Riccardo13ORCID,Marfella Raffaele1ORCID,Sardu Celestino1ORCID,Coppola Carmine4,Scarano Ferdinando5,Maggi Paolo6ORCID,Calabrese Cecilia7ORCID,De Lucia Sposito Pellegrino8,Rescigno Carolina9,Sbreglia Costanza10,Fraganza Fiorentino11,Parrella Roberto12,Romano Annamaria13,Calabria Giosuele14,Polverino Benedetto15,Pagano Antonio16,Numis Fabio Giuliano16,Bologna Carolina17ORCID,Nunziata Mariagrazia18,Esposito Vincenzo19,Coppola Nicola20ORCID,Maturo Nicola21,Nasti Rodolfo22,Di Micco Pierpaolo23ORCID,Perrella Alessandro24ORCID,Adinolfi Luigi Elio1ORCID,Di Domenico Marina25,Monda Marcellino2ORCID,Russo Vincenzo2627ORCID,Ruggiero Roberto28,Docimo Giovanni29,Rinaldi Luca30ORCID,Sasso Ferdinando Carlo1ORCID

Affiliation:

1. Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, Piazza L. Miraglia 2, 80138 Naples, Italy

2. Department of Experimental Medicine, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy

3. Ospedale Evangelico Betania, 80147 Naples, Italy

4. Hepatology Unit, Internal Medicine, Area Stabiese Hospital, 80053 Naples, Italy

5. COVID Center “S. Anna e SS. Madonna della Neve” Hospital, 80042 Boscotrecase, Italy

6. U.O.C. Infectious and Tropical Diseases, S. Anna e S. Sebastiano Hospital, 81100 Caserta, Italy

7. U.O.C. Pneumologia Vanvitelli, Department of Translational Medical Sciences, University of Campania “Luigi Vanvitelli”, AORN Ospedali dei Colli, Via Leonardo Bianchi, 80131 Naples, Italy

8. COVID Center, Maddaloni Hospital, 80124 Maddaloni, Italy

9. U.O.C. Infectious Diseases and Neurology, Cotugno Hospital, 80131 Naples, Italy

10. U.O.C. Infectious Diseases of the Elderly, Cotugno Hospital, 80131 Naples, Italy

11. U.O.C. Anestesia and Intensive Care Unit, Cotugno Hospital, 80131 Naples, Italy

12. U.O.C. Respiratory Infectious Diseases, Cotugno Hospital, 80131 Naples, Italy

13. U.O.C. Pneumology, Moscati Hospital, 83100 Avellino, Italy

14. IXth Division of Infectious Diseases and Interventional Ultrasound, Cotugno Hospital, 80131 Naples, Italy

15. “Giovanni da Procida” Hospital, 84126 Salerno, Italy

16. Emergency and Acceptance Unit, “Santa Maria delle Grazie” Hospital, 80078 Pozzuoli, Italy

17. Internal Medicine Unit, Ospedale Del Mare, 80147 Naples, Italy

18. U.O.C. Internal Medicine, Moscati Hospital, 83100 Avellino, Italy

19. IVth Division of Immunodeficiency and Gender Infectious Diseases, Cotugno Hospital, 80131 Naples, Italy

20. COVID Center, Department of Mental Health and Public Medicine, A.O.U. Vanvitelli, 80131 Naples, Italy

21. U.O.S.D. Infectious Diseases Emergency and Acceptance, Cotugno Hospital, 80131 Naples, Italy

22. Emergency Division, A.O.R.N. “Antonio Cardarelli”, 80131 Naples, Italy

23. Department of Internal Medicine, Fatebenefratelli Hospital of Naples, 80123 Naples, Italy

24. Task Force COVID-19 Regione Campania, 80131 Napoli, Italy

25. Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy

26. Department of Biology, College of Science and Technology, Sbarro Institute for Cancer Research and Molecular Medicine, Temple University, Philadelphia, PA 19122, USA

27. Division of Cardiology, Department of Medical Translational Sciences, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy

28. Division of General, Oncological, Mini-Invasive and Obesity Surgery, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy

29. Unit of Thyroid Surgery, Department of Medical and Advanced Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy

30. Department of Medicine and Health Sciences “Vincenzo Tiberio”, University of Molise, 86100 Campobasso, Italy

Abstract

Background and Aims: The COVID-19 pandemic, caused by the novel coronavirus SARS-CoV-2, has fundamentally reshaped the landscape of global public health, with some people suffering more adverse clinical outcomes than others. The aim of this study is to deepen our understanding of the specific impact of acute kidney injury (AKI) on the in-hospital mortality in octogenarian patients with COVID-19. Methods: This is a prospective observational cohort study, which involved 23 COVID-19 hospital units in the Campania Region, Italy. Exposure variables were collected during hospital admission and at discharge. Only patients aged ≥80 years were deemed eligible for the study. Results: 197 patients were included in the study (median age 83.0 [82.0–87.0] years; 51.5% men), with a median duration of hospitalization of 15.0 [8.0–25.0] days. From the multivariable Cox regression analysis, after the application of Šidák correction, only the respiratory rate (HR 1.09, 95% CI: 1.04 to 1.14; p < 0.001) and AKI development (HR: 3.40, 95% CI: 1.80 to 6.40; p < 0.001) were independently associated with the primary outcome. Moreover, the Kaplan–Meier analysis showed a significantly different risk of in-hospital mortality between patients with and without AKI (log-rank: <0.0001). Conclusions: In our investigation, we identified a significant association between AKI and mortality rates among octogenarian patients admitted for COVID-19. These findings raise notable concerns and emphasize the imperative for vigilant monitoring of this demographic cohort.

Publisher

MDPI AG

Subject

Paleontology,Space and Planetary Science,General Biochemistry, Genetics and Molecular Biology,Ecology, Evolution, Behavior and Systematics

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