16-Year Analysis of Elderly Patients Followed in Intensive Care Unit with Acute Respiratory Failure: Restrospective Cohort Study

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Introduction and Aim:Advances in medicne, increased elderly patient and family expectations, healthcare-related violence, and legal uncertainties contribute to aggressive ICU management, even when reversible conditions are absent. This study analyzes trends in elderly ICU admissions and annual variations in ICU support. Methods: This retrospective study included patients aged 80 years admitted to Respiratory ICU (RICU) from January 1, 2008, to December 31, 2024. ICU respiratory support data (2017–2024) were analyzed. Annual percentage changes (APC) were assessed by using joinpoint analysis. Results: Of 21,663 RICU admissions, 4,073 (18.8%) were aged 80 years and above. Elderly ICU admissions showed distinct trends: 2008–2012 (APC: 15.3, CI: 11.7–20.7), 2012–2019 (APC: 3.8, CI: 1.01–5.17), 2019–2022 (APC: 21.4, CI: 16.1–25.1), and 2022–2024 (APC: -22.3, CI: -26.8 to -17.8). The overall APC was 16.8 (CI: 9.3–41.1) from 2008–2013, stabilizing to 3.68 (CI: -2.1–6) from 2013–2024. Age ≥90 years increased significantly after 2021 (APC: 21.2, CI: 6.7–47.2). Conclusion: In the coming years, more ICU patients will be 90. Manage elderly patients in ICUs, define invasive intervention criteria, and establish futility policies to improve communication between patients, their families, and doctors. erj;66/suppl_69/PA1009/F1 F1 F1

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