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Coronary Artery Anomalies
Research Guide
What is Coronary Artery Anomalies?
Coronary artery anomalies are congenital variations in the origin, course, or distribution of the coronary arteries, including anomalous origin, myocardial bridging, aortic sinus aneurysms, fistulas, and associated conditions that can lead to sudden death.
This field encompasses 31,164 published works on congenital coronary artery anomalies. Studies document their incidence, such as 1.3% in 126,595 patients undergoing coronary arteriography, with 87% involving anomalies of origin and distribution and 13% coronary artery fistulae. Research covers clinical profiles, management strategies, surgical interventions, and long-term outcomes, particularly the risk of sudden death in young individuals.
Topic Hierarchy
Research Sub-Topics
Anomalous Origin of Coronary Arteries
This sub-topic examines congenital origins from incorrect aortic sinuses, associated ischemia risks, and sudden cardiac death in athletes. Researchers study imaging diagnosis, surgical unroofing, and risk stratification.
Myocardial Bridging
Focuses on intramural coronary segments compressed during systole, causing angina or arrhythmias. Studies cover prevalence via CT angiography, beta-blocker therapy, and surgical myotomy outcomes.
Coronary Artery Fistulas
Investigates abnormal connections to cardiac chambers or vessels leading to volume overload or steal phenomena. Research evaluates transcatheter closure versus surgery and long-term hemodynamic results.
Coronary Cameral Fistulas
This area details fistulas draining into atria or ventricles, their detection by echocardiography, and volume overload management. Studies quantify shunt fractions and post-intervention remodeling.
Surgical Management Coronary Anomalies
Reviews operative techniques like translocation, neo-ostium creation, and patch reconstruction for high-risk anomalies. Researchers analyze operative mortality, patency rates, and arrhythmia recurrence.
Why It Matters
Coronary artery anomalies contribute to sudden death in young individuals, as highlighted in studies on their clinical profiles. Yamanaka and Hobbs (1990) identified these anomalies in 1,686 of 126,595 patients undergoing coronary arteriography, demonstrating a 1.3% incidence that necessitates screening in at-risk populations. Management strategies, including surgical interventions, address risks in congenital heart disease contexts, such as those outlined in the ACC/AHA 2008 Guidelines for the Management of Adults With Congenital Heart Disease (Warnes et al., 2008), which provide executive summaries for long-term care. In Kawasaki disease, a related vasculitis, coronary artery aneurysms develop in approximately 25% of untreated cases, making it the leading cause of acquired heart disease in children in developed countries (McCrindle et al., 2017). These insights guide diagnostic tools like multidetector CT angiography and interventions in pediatric populations.
Reading Guide
Where to Start
"Coronary artery anomalies in 126,595 patients undergoing coronary arteriography" by Yamanaka and Hobbs (1990) is the starting point, as it provides foundational incidence data (1.3% in 126,595 patients) and classifies anomalies into origin/distribution (87%) and fistulae (13%), offering a clear epidemiological baseline.
Key Papers Explained
Yamanaka and Hobbs (1990) establish the 1.3% incidence of coronary artery anomalies in a large cohort, setting the stage for clinical relevance. McCrindle et al. (2017) and Newburger et al. (2004) build on this by detailing coronary aneurysms in Kawasaki disease (≈25% untreated risk), linking acquired anomalies to management guidelines. Warnes et al. (2008) extend to adult congenital heart disease, providing ACC/AHA guidelines that incorporate anomaly management strategies. Hoffman and Kaplan (2002) contextualize within broader congenital heart disease incidence.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current research emphasizes multidetector CT angiography for precise diagnosis of anomalous origin and fistulas in pediatric populations. Focus remains on surgical management and sudden death prevention, with ongoing analysis of long-term outcomes in repaired cases. No recent preprints or news alter established guidelines from top-cited works.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | The incidence of congenital heart disease | 2002 | Journal of the America... | 6.0K | ✕ |
| 2 | Diagnosis, Treatment, and Long-Term Management of Kawasaki Dis... | 2017 | Circulation | 3.5K | ✕ |
| 3 | Birth Prevalence of Congenital Heart Disease Worldwide | 2011 | Journal of the America... | 3.2K | ✕ |
| 4 | Coronary artery anomalies in 126,595 patients undergoing coron... | 1990 | Catheterization and Ca... | 2.1K | ✓ |
| 5 | ACC/AHA 2008 Guidelines for the Management of Adults With Cong... | 2008 | Circulation | 2.1K | ✕ |
| 6 | Diagnosis, Treatment, and Long-Term Management of Kawasaki Dis... | 2004 | Circulation | 1.9K | ✓ |
| 7 | Risk factors for arrhythmia and sudden cardiac death late afte... | 2000 | The Lancet | 1.8K | ✕ |
| 8 | Congenital Heart Disease in the General Population | 2007 | Circulation | 1.7K | ✓ |
| 9 | CORONARY HEART DISEASE IN SEVEN COUNTRIES | 1971 | The Medical Journal of... | 1.6K | ✕ |
| 10 | Neurodevelopmental Outcomes in Children With Congenital Heart ... | 2012 | Circulation | 1.5K | ✕ |
Frequently Asked Questions
What is the incidence of coronary artery anomalies?
Coronary artery anomalies occurred in 1,686 patients, representing a 1.3% incidence among 126,595 patients undergoing coronary arteriography at the Cleveland Clinic Foundation from 1960 to 1988. Of these, 1,461 (87%) had anomalies of origin and distribution, and 225 (13%) had coronary artery fistulae. "Coronary artery anomalies in 126,595 patients undergoing coronary arteriography" (Yamanaka and Hobbs, 1990) provides this data.
How do coronary artery anomalies relate to sudden death?
Congenital coronary artery anomalies are associated with sudden death in young individuals due to their impact on coronary blood flow. Papers in this field discuss clinical profiles linking anomalous origin and myocardial bridging to such risks. Management focuses on early detection to prevent adverse outcomes.
What diagnostic methods are used for coronary artery anomalies?
Multidetector CT angiography is a key diagnostic tool for identifying congenital coronary artery anomalies, including anomalous origin and fistulas. Coronary arteriography has documented anomalies in large patient cohorts. Studies emphasize imaging for precise anatomical assessment before interventions.
What are common types of coronary artery anomalies?
Common types include anomalous origin, myocardial bridging, aortic sinus aneurysms, and coronary artery fistulas. Anomalies of origin and distribution comprise 87% of cases in large series. These congenital variations affect coronary perfusion and require specific management.
How are coronary artery anomalies managed surgically?
Surgical management targets high-risk anomalies like anomalous origin to prevent sudden death, as covered in papers on interventions for congenital heart disease. The ACC/AHA 2008 Guidelines outline strategies for adults with congenital heart disease, including surgical options. Long-term outcomes focus on arrhythmia prevention and structural correction.
What is the role of Kawasaki disease in coronary anomalies?
Kawasaki disease leads to coronary artery aneurysms in ≈25% of untreated cases, representing a key acquired anomaly. "Diagnosis, Treatment, and Long-Term Management of Kawasaki Disease: A Scientific Statement for Health Professionals From the American Heart Association" (McCrindle et al., 2017) details treatment to mitigate this risk. It is the leading cause of acquired heart disease in children in developed countries.
Open Research Questions
- ? What are the precise mechanisms linking specific coronary artery anomalies, such as anomalous origin from the opposite sinus, to sudden death during exercise in young athletes?
- ? How effective are current surgical interventions for myocardial bridging and coronary fistulas in preventing long-term complications like ischemia?
- ? What is the optimal imaging protocol for detecting aortic sinus aneurysms associated with coronary anomalies in pediatric populations?
- ? Which genetic factors predispose individuals to congenital coronary artery anomalies, and how do they interact with environmental risks?
- ? What are the long-term neurodevelopmental outcomes in children with coronary artery anomalies post-surgical repair?
Recent Trends
The field maintains 31,164 works with no specified 5-year growth rate.
Incidence data from Yamanaka and Hobbs continues to anchor studies, with 1.3% prevalence in large cohorts.
1990No recent preprints or news coverage in the last 12 months indicate steady reliance on established papers like McCrindle et al. for Kawasaki-related anomalies.
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