Key result
rAAA Alert Protocol cuts door-to-intervention time to ~33 minutes with zero in-hospital mortality.
Why the study?
Survival in ruptured abdominal aortic aneurysm depends on rapid recognition, transfer, and care team assembly, which are often slowed by long-distance transfers and unclear communication in rural health systems.
Does a standardized rAAA Alert Protocol reduce door-to-intervention time and in-hospital mortality in patients with ruptured abdominal aortic aneurysm in a rural health system?
Cohort (n=36)
Does a standardized rAAA Alert Protocol reduce door-to-intervention time and in-hospital mortality in patients with ruptured abdominal aortic aneurysm in a rural health system?
Implementing a standardized aortic alert protocol in a rural health system substantially reduced door-to-intervention delays and facilitated survival in early cases of ruptured abdominal aortic aneurysm.
Answers are grounded in this paper and cite their sources.
rAAA alert protocols may expedite rural care; hypothesis-generating for mortality benefit, requiring prospective confirmation before practice change.
Introduction: A ruptured abdominal aortic aneurysm (rAAA) is a life-threatening condition that requires immediate surgery. Survival depends on the operation itself and how quickly hospitals recognize the emergency, move the patient to the operating room, and assemble the necessary care teams. In rural health systems, these steps are often slowed by long-distance transfers and unclear communication. This study describes the creation of a standardized protocol and examines its early impact on care delivery. Methods: We developed an rAAA Alert Protocol to standardize communication, speed patient transfer, and prepare the operating room and blood bank before patient arrival. To assess impact, we used a retrospective observational cohort (2010-2024) to define preprotocol performance, including in-hospital mortality and door-to-intervention time for rAAA. We also examined length of stay and reviewed postimplementation cases in 2025 to assess changes in response time. Results: Before protocol implementation, 34 patients underwent operative repair for rAAA. In-hospital mortality was 38.2%, and the mean door-to-intervention time was 96.7 minutes. After implementation of the protocol, teams coordinated more quickly, with surgery beginning within 30 and 36 minutes of hospital arrival, and 2 patients with confirmed ruptures survived to discharge. Discussion: The creation of a rAAA Alert Protocol resulted in reductions in treatment delays and improved operational coordination within a rural health system. Although early outcomes are limited by sample size, the magnitude of improvement suggests that protocol-driven activation can improve readiness and response for time-critical vascular emergencies. Ongoing prospective evaluation is warranted to assess sustainability and long-term impact.
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Wilson et al. (2026) conducted a cohort in Ruptured abdominal aortic aneurysm (rAAA) (n=36). rAAA Alert Protocol vs. Preprotocol standard care (2010-2024 retrospective cohort) was evaluated on In-hospital mortality and door-to-intervention time. An rAAA Alert Protocol reduced door-to-intervention time to 30 and 36 minutes (vs 96.7 minutes preprotocol) with 0% in-hospital mortality in 2 patients (vs 38.2% in 34 preprotocol patients).
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