Early recognition and prompt treatment of a serious infection is important to optimize prognosis in older patients. The current evidence base underpinning this early recognition in ambulatory care is scattered and haphazard, calling for new research to strengthen clinical practice. Before embarking on such studies, it is important to seek consensus on what constitutes a serious infection in older patients presenting to ambulatory care. We conducted a 4-round e-Delphi study seeking consensus among medical professionals who deliver clinical care to older patients using online questionnaires and feedback. Twenty-two specialists in emergency care, general practice, geriatrics, and infectious diseases from 10 different countries participated in our study. We constructed 18 statements from the answers to the open questions in round 1, which were then rated by the participants in 2 consecutive rounds. After assessing the level of agreement, consensus, and stability, the following definition was preferred by 94% of the participants: “A serious infection in a geriatric patient presenting to ambulatory care is an infection with a high risk of complications, functional decline, and/or mortality, requiring a prompt diagnostic and therapeutic approach in the appropriate care setting. The most important determinants of the choice of setting are the level of emergency, the geriatric profile of the patient (frailty status, functional status, and comorbidities), and the patients’ level of autonomy and personal preferences. Factors such as the feasibility of home care, the potential consequences of delayed or suboptimal treatment and infection specific treatment requirements should be weighed as well when choosing the appropriate care setting.” Based on consensus among 22 clinicians working in 10 different countries, we propose a definition for serious infections in geriatric patients presenting to ambulatory care. This will form the basis of future studies in this domain.Copyright © 2020 AMDA — The Society for Post-Acute and Long-Term Care Medicine. Published by Elsevier Inc. All rights reserved.
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