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Decreased mortality of abdominal aortic aneurysms in a peripheral county
J S Lindholt1, E W Henneberg, H Fasting
1Department of Surgery, Viborg Sygehus, Denmark.
Insights
Establishing a decentralized vascular surgical unit reduced abdominal aortic aneurysm (AAA) rupture mortality. More ruptured AAA patients reached surgery, decreasing deaths from this condition.
Area of Science:
- Vascular Surgery
- Public Health
- Surgical Outcomes
Background:
- Abdominal aortic aneurysms (AAAs) pose a significant mortality risk.
- Decentralized surgical units aim to improve access and outcomes for vascular emergencies.
- Previous mortality rates for ruptured AAAs were high.
Purpose of the Study:
- To evaluate the impact of a new decentralized vascular surgical unit on AAA-related mortality.
- To assess changes in surgical repair rates for ruptured AAAs.
- To analyze the overall mortality trends for abdominal aortic aneurysms.
Main Methods:
- Retrospective analysis of AAA repair and rupture data.
- Comparison of mortality rates for the 3 years before (1986-88) and after (1989-91) unit establishment.
- Data collected on elective and emergency repairs, ruptured AAA repairs, and overall deaths.
Main Results:
- Before the unit: 5% mortality for non-ruptured AAA repair; 2 deaths from 3 ruptured AAA repairs; 41 total county deaths from ruptured AAAs.
- After the unit: 4% mortality for non-ruptured AAA repair; 6 deaths from 19 ruptured AAA repairs; 28 total county deaths from ruptured AAAs.
- Increased proportion of ruptured AAAs undergoing surgical repair post-unit establishment.
Conclusions:
- The decentralized vascular surgical unit successfully increased the surgical repair rate for ruptured abdominal aortic aneurysms.
- This improved access to care resulted in a decreased mortality rate for ruptured AAAs.
- The findings support the effectiveness of decentralized models in managing AAA mortality.
Objectives:
To analyse the effect on the mortality associated with abdominal aortic aneurysms, due to the establishment of a decentralised vascular surgical unit in the county of Viborg.
Methods:
Death after aneurysm repair and from rupture without repair were analysed retrospectively for the 3 year period before (1986-88), and after (1989-91), the unit was established.
Results:
Between 1986 and 1988, one patient (5%) died after 19 elective and three emergency non-ruptured aneurysm repairs. Only three ruptures were repaired with two deaths. In the country, 41 deaths due to ruptured aneurysm were recorded. Between 1989 and 1991 two patients (4%) died after 26 elective and 27 emergency non-ruptured aneurysm repairs. Nineteen ruptures were repaired with six deaths (32%). In the county, 28 deaths due to rupture were recorded during this period.
Conclusions:
The establishment of a decentralised vascular surgical unit has increased the proportion of ruptured aneurysms reaching surgery with a resultant decrease in mortality from this condition.