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Aortic aneurysm repair treatments
Research Guide
What is Aortic aneurysm repair treatments?
Aortic aneurysm repair treatments are surgical and endovascular interventions designed to prevent rupture of weakened aortic walls by repairing thoracic or abdominal aortic aneurysms through open surgery, endovascular aneurysm repair (EVAR), or thoracic endovascular aortic repair (TEVAR).
Research on aortic aneurysm repair treatments encompasses 63,674 works focused on endovascular repair, aneurysm screening, and management guidelines for abdominal and thoracic aortic aneurysms. Key advancements include transfemoral intraluminal graft implantation for abdominal aortic aneurysms as introduced by Parodi et al. (1991). Practice guidelines from organizations like the European Society for Vascular Surgery and Society for Vascular Surgery provide standardized protocols for diagnosis, screening, and intervention.
Topic Hierarchy
Research Sub-Topics
Endovascular Aneurysm Repair
Researchers study the techniques, outcomes, and long-term durability of minimally invasive endovascular procedures using stent grafts for abdominal aortic aneurysms. This includes comparisons with open surgery, device innovations, and complication management.
Abdominal Aortic Aneurysm Screening
This sub-topic examines ultrasound-based screening programs, cost-effectiveness analyses, and risk stratification models to prevent aneurysm rupture in at-risk populations. Researchers evaluate screening protocols like those from UKSAT and RESCAN.
Biomechanics of Aortic Aneurysms
Investigations focus on finite element modeling, wall stress analysis, and patient-specific simulations to predict aneurysm rupture risk based on geometry and material properties.
Matrix Metalloproteinases in Aneurysm Pathophysiology
Studies explore the role of MMP-2 and MMP-9 in extracellular matrix degradation, vascular smooth muscle cell apoptosis, and aneurysm progression, including therapeutic inhibition strategies.
Genetic Susceptibility to Abdominal Aortic Aneurysms
Genome-wide association studies identify loci like SORT1 and LRP1, familial aggregation patterns, and polygenic risk scores for AAA susceptibility and growth.
Why It Matters
Aortic aneurysm repair treatments directly impact patient survival by mitigating rupture risk, a leading cause of mortality in untreated cases. The 2014 ESC Guidelines on the diagnosis and treatment of aortic diseases by Erbel et al. (2014) outline protocols for acute and chronic aortic conditions, enabling timely endovascular or surgical repairs that reduce in-hospital mortality. Parodi et al. (1991) demonstrated transfemoral intraluminal graft implantation for abdominal aortic aneurysms, establishing EVAR as a less invasive alternative to open surgery with improved recovery times. Surgeon volume influences operative mortality, as Birkmeyer et al. (2003) found that high-volume surgeons achieve lower mortality rates, guiding patient selection to specialized centers. Guidelines such as the Society for Vascular Surgery practice guidelines on the care of patients with an abdominal aortic aneurysm by Chaikof et al. (2017) recommend screening and repair thresholds, preventing thousands of ruptures annually in at-risk populations.
Reading Guide
Where to Start
"Transfemoral Intraluminal Graft Implantation for Abdominal Aortic Aneurysms" by Parodi et al. (1991), as it introduces the foundational technique of endovascular repair, providing essential context for subsequent guidelines and studies.
Key Papers Explained
Parodi et al. (1991) established transfemoral intraluminal graft implantation, enabling less invasive EVAR, which Chaikof et al. (2017) in the Society for Vascular Surgery practice guidelines built upon with screening and repair recommendations. Erbel et al. (2014) in the 2014 ESC Guidelines expanded to thoracic and abdominal diseases, integrating IRAD data from Hagan et al. (2000) on acute dissection management. Wanhainen et al. (2018) in the ESVS 2019 Guidelines refined abdominal aorto-iliac management, incorporating surgeon volume insights from Birkmeyer et al. (2003) for outcome optimization.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Guidelines continue to evolve with updates like Wanhainen et al. (2018) emphasizing personalized repair strategies, while persistent challenges include long-term EVAR surveillance and rupture prediction amid 63,674 works but no recent preprints reported.
Papers at a Glance
Frequently Asked Questions
What are the main guidelines for managing abdominal aortic aneurysms?
The Society for Vascular Surgery practice guidelines on the care of patients with an abdominal aortic aneurysm by Chaikof et al. (2017) recommend screening and repair based on aneurysm size and growth rate. Editor's Choice – European Society for Vascular Surgery (ESVS) 2019 Clinical Practice Guidelines on the Management of Abdominal Aorto-iliac Artery Aneurysms by Wanhainen et al. (2018) provide evidence-based thresholds for endovascular and open repair. These guidelines emphasize individualized risk assessment to prevent rupture.
How does endovascular repair differ from open surgery for aortic aneurysms?
Transfemoral Intraluminal Graft Implantation for Abdominal Aortic Aneurysms by Parodi et al. (1991) introduced endovascular aneurysm repair (EVAR) using intraluminal grafts deployed via femoral access, reducing invasiveness compared to open surgical reconstruction. EVAR offers shorter recovery but requires suitable anatomy, as detailed in ACC/AHA 2005 Practice Guidelines for the Management of Patients With Peripheral Arterial Disease by Hirsch et al. (2006). Long-term surveillance is necessary for both methods to monitor complications.
What role does surgeon volume play in aortic aneurysm repair outcomes?
Surgeon Volume and Operative Mortality in the United States by Birkmeyer et al. (2003) showed that higher surgeon volume correlates with lower operative mortality for vascular procedures, including aneurysm repairs. Patients at high-volume hospitals benefit further by selecting frequent performers of these operations. This finding underscores referral to experienced centers for optimal results.
What are the current guidelines for thoracic aortic disease management?
2010 ACCF/AHA/AATS/ACR/ASA/SCA/SCAI/SIR/STS/SVM Guidelines for the Diagnosis and Management of Patients With Thoracic Aortic Disease by Hiratzka et al. (2010) address diagnosis, imaging, and surgical timing for thoracic aneurysms. 2014 ESC Guidelines on the diagnosis and treatment of aortic diseases by Erbel et al. (2014) cover both thoracic and abdominal aorta, recommending TEVAR for complicated cases. These guidelines integrate genetic and biomechanical risk factors.
How is acute aortic dissection managed in relation to aneurysm repair?
The International Registry of Acute Aortic Dissection (IRAD) by Hagan et al. (2000) highlights high in-hospital mortality and the need for rapid diagnosis and intervention, often involving endovascular or surgical repair. Guidelines like those from Erbel et al. (2014) recommend urgent TEVAR or open surgery based on dissection type and location. Prevention through aneurysm screening reduces dissection incidence.
Open Research Questions
- ? What are the long-term durability outcomes of EVAR compared to open repair in diverse patient anatomies?
- ? How do inflammatory mechanisms and matrix metalloproteinases influence post-repair aneurysm progression?
- ? Which biomechanical factors best predict rupture risk in screened aneurysms below repair thresholds?
- ? What genetic susceptibilities modulate outcomes after endovascular or surgical aneurysm repair?
- ? How does thrombus formation impact endovascular graft patency and complication rates?
Recent Trends
The field maintains steady research volume at 63,674 works with no specified 5-year growth rate; recent emphasis appears in updated guidelines such as Editor's Choice – European Society for Vascular Surgery (ESVS) 2019 Clinical Practice Guidelines on the Management of Abdominal Aorto-iliac Artery Aneurysms by Wanhainen et al. and Society for Vascular Surgery practice guidelines by Chaikof et al. (2017), refining endovascular and screening protocols based on prior foundational studies.
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