A recent retrospective cohort study conducted in Ontario, Canada, analyzed the impact of emergency department (ED) transfers on long-term care (LTC) residents aged 65 and older. The study encompassed 120,238 adults who were admitted to LTC facilities between 2013 and 2018, revealing that 65.3% of these residents experienced at least one transfer to the hospital. The findings indicated a concerning initial association between transfers and increased rates of severe physical impairment (incidence rate ratio of 3.0), cognitive impairment (ratio of 2.2), and mortality (ratio of 5.8).

However, when adjusting for acute illness using marginal structural models and an instrumental variable analysis, the results shifted significantly. The adjusted analyses showed that ED transfers were not linked to an increased risk of permanent physical or cognitive impairments, with hazard ratios of 1.20 and 0.86, respectively. Conversely, the analysis revealed a notable decrease in mortality risk associated with transfers, with a hazard ratio of 0.57, suggesting that while transfers may initially appear detrimental, they could be protective against mortality when accounting for the severity of acute conditions.

These findings challenge prevailing assumptions regarding the negative consequences of ED transfers in LTC settings. The implication for clinical practice is substantial: rather than viewing ED transfers solely as a risk factor for deterioration, they may serve a critical role in managing acute health crises, potentially improving survival outcomes. This research underscores the necessity for further investigation into the clinical decision-making processes surrounding transfers and the development of protocols that optimize patient outcomes in LTC environments.

Source: academic.oup.com