Related Experiment Video
Updated: Oct 9, 2025
08:31
A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
4.0K
High Mitral Annulus Calcium Score in Pre-Operative Chest Computerized Tomography and Adverse Outcomes in Mitral Valve
Alexandra Kasim1, Gabby Elbaz-Greener2,3, Amjad Shalabi4,5,6
1Department of Radiology, B Padeh Medical Center, Poriya, Israel.
Vascular Health and Risk Management
|December 17, 2021
Summary
Mitral annulus calcification (MAC) quantification using pre-operative chest CT scans did not predict adverse outcomes in mitral valve replacement (MVR) surgery. Further studies are needed to confirm these findings in larger patient cohorts.
Area of Science:
- Cardiology
- Cardiac Surgery
- Radiology
Background:
- Severe mitral annulus calcification (MAC) poses risks in mitral valve replacement (MVR) surgery.
- These risks include longer surgery, valvular leaks, and embolic events.
- Pre-operative chest computerized tomography (CCT) may aid in assessing these risks.
Purpose of the Study:
- To evaluate if mitral annulus calcium score (MACS) from CCT can predict adverse outcomes in MVR patients.
- To assess the correlation between high MACS and intraoperative/postoperative complications.
Main Methods:
- Retrospective analysis of 66 MVR patients (2015-2018).
- Preoperative CCT used for Agatston MACS calculation.
- Patients grouped into Low MACS (quintiles 1-3) and High MACS (quintiles 4-5) for comparison.
Main Results:
- High MACS (≥854) was not linked to increased bypass or cross-clamp times.
- No significant differences in MVR outcomes were observed between low and high MACS groups.
- Postoperative embolic events (6 total) were not associated with MACS.
Conclusions:
- MACS does not appear to be a predictor of adverse outcomes in MVR.
- Low event rates and potential patient pre-selection necessitate larger prospective studies for confirmation.
More Related Videos
Related Concept Videos
01:25Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT
151
Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
151
01:23Mitral Stenosis II: Clinical features and Diagnostic Tests
43
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
43
01:22Mitral Valve Prolapse II: Assessment and Management
60
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
60
01:22Mitral Stenosis I: Introduction
80
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
80
01:23Mitral Regurgitation II: Clinical Features and Diagnostic Tests
78
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
78
01:26Mitral Stenosis III: Medical Management
42
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
42