Clinical characteristics and cost of hospital stay of octogenarians and nonagenarians in intensive care nephrology unit
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NEPHROLOGY - ORIGINAL PAPER
Clinical characteristics and cost of hospital stay of octogenarians and nonagenarians in intensive care nephrology unit Simge Bardak1 · Serap Demir2 · Murside Esra Dolarslan2 · Berkan Karadurmus2 · Esra Akcali2 · Kenan Turgutalp2 · Bahar Tasdelen3 · Ahmet Kiykim2 Received: 30 April 2020 / Accepted: 7 September 2020 © Springer Nature B.V. 2020
Abstract Purpose As the population gets older, the elderly and very elderly patients are increasingly been treated in nephrology intensive care units (ICU). In this study we evaluated the characteristics and outcomes of the octogenarians (80–89 years old), nonagenarians (≥ 90 years old) and compared them with elderly (65–79 years old) patients treated in nephrology ICU. Methods Eighteen nonagenarians, 70 octogenarians and 88 elderly patients were included in the study. Indication for hospitalization, presence of comorbid diseases, and requirement for acute dialysis treatment were investigated. Need for mechanical ventilation, vasopressors, central venous catheterization, urinary catheterization, anticoagulation, and transfusion of blood products were evaluated. Mortality rate and hospital cost were calculated. Data about survival at 1 month after discharge was collected. Results Causes of hospitalization, need for dialysis treatment, mechanical ventilation, vasopressors, central venous catheterization, urinary catheterization, anticoagulation, and transfusion of blood products were not different between age groups. Diabetes mellitus and malignancy were more frequent in elderly, whereas dementia/Alzheimer’s disease was more common in nonagenarians. Although, mortality in ICU was increased as the age increased, it was statistically insignificant. However, 1 month mortality rate after discharge from hospital was increased especially in nonagenarians. In nonagenarians infection, whereas in octogenarians need for dialysis treatment, were related with mortality. Length of intensive care stay and hospital cost did not differ between age groups. Conclusion Length of nephrology intensive care stay, mortality rate and hospital cost did not differ for very elderly age groups, but mortality risk was higher for nonagenarians after discharge from hospital. Keywords Intensive care nephrology unit · Mortality · Nonagenarians · Octogenarians
Introduction As the population gets older, the elderly and very elderly patients are increasingly been treated in nephrology intensive care units (ICU) [1], but the data related to characteristics and prognosis of very elderly patients treated in intensive care departments is very few. * Simge Bardak [email protected] 1
Department of Nephrology, Dr. Burhan Nalbantoglu State Hospital, Nicosia, North Cyprus
2
Department of Internal Medicine, Division of Nephrology, Mersin University, School of Medicine, Mersin, Turkey
3
Department of Biostatistics and Medical Informatics, Mersin University, Mersin, Turkey
Age related renal structural changes including glomerular, tubular, interstitial, and vascular cha
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