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Related Concept Videos

Aneurysm IV: Nursing Management01:22

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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Risk Factors for Delirium after Abdominal Aortic Aneurysm Repair.

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Delirium after abdominal aortic aneurysm (AAA) repair is linked to operative factors, not patient comorbidities. Older age, increased bleeding risk, and open repair increase delirium risk in older adults undergoing AAA surgery.

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Area of Science:

  • Vascular Surgery
  • Geriatric Medicine
  • Surgical Outcomes Research

Background:

  • Delirium is an underreported complication after abdominal aortic aneurysm (AAA) repair.
  • It negatively impacts postoperative recovery in older adults.
  • Identifying risk factors is crucial for improving patient outcomes.

Purpose of the Study:

  • To characterize risk factors for postoperative delirium in older adults undergoing AAA repair.
  • To utilize the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database for comprehensive analysis.

Main Methods:

  • Queried the ACS-NSQIP database for intact AAA repairs, linked to Geriatric Surgery and AAA repair modules.
  • Defined postoperative delirium via standardized chart-based assessment.
  • Employed backward stepwise logistic regression to identify independent risk factors.

Main Results:

  • 9.5% of patients developed postoperative delirium.
  • Delirium was more frequent after open repair (23.8%) versus endovascular repair (4.8%).
  • Independent risk factors included older age, increased bleeding risk, open repair, and paravisceral aneurysm extent.

Conclusions:

  • Operative factors, rather than patient characteristics, were more strongly associated with delirium post-AAA repair.
  • Prioritizing delirium prevention bundles and monitoring is essential for high-risk patients, especially those undergoing open AAA repair.