Related Experiment Video
Updated: Feb 28, 2026
08:50
Technique and Patient Selection Criteria of Right Anterior Mini-Thoracotomy for Minimal Access Aortic Valve Replacement
Published on: March 26, 2018
12.4K
Cardioplegia Strategies in Minimally Invasive Aortic Valve Replacement: An Inverse Probability of Treatment Weighting
Lukman Amanov1, Sadeq Ali-Hasan-Al-Saegh1, Arian Arjomandi Rad2
1Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Straße 1, 30625 Hannover, Germany.
Medicina (Kaunas, Lithuania)
|February 27, 2026
Summary
Calafiore and Custodiol cardioplegia strategies significantly reduced new-onset atrial fibrillation and myocardial injury during minimally invasive aortic valve replacement (MIAVR). These strategies also decreased respiratory complications compared to Buckberg and St. Thomas
Area of Science:
- Cardiac Surgery
- Cardiovascular Research
- Minimally Invasive Procedures
Background:
- Optimal myocardial protection during minimally invasive aortic valve replacement (MIAVR) remains a subject of debate.
- Comparing different cardioplegia strategies is crucial for improving patient outcomes in MIAVR.
- Existing studies lack comprehensive analysis of baseline and anatomical factors influencing cardioplegia efficacy.
Purpose of the Study:
- To compare the efficacy of four distinct cardioplegia strategies (Buckberg, Calafiore, Custodiol HTK, St. Thomas') in MIAVR.
- To evaluate the impact of cardioplegia on postoperative outcomes, including atrial fibrillation, respiratory insufficiency, and myocardial injury.
- To assess the influence of patient characteristics, such as bicuspid valve morphology, on procedural outcomes.
Main Methods:
- Retrospective analysis of consecutive MIAVR patients from January 2010 to April 2025.
- Application of inverse probability of treatment weighting (IPTW) to balance baseline demographic, clinical, and anatomical factors.
- Comparison of postoperative outcomes including new-onset atrial fibrillation, respiratory insufficiency, myocardial injury biomarkers, and mortality in a balanced pseudo-population.
Main Results:
- Calafiore and Custodiol HTK strategies demonstrated significantly lower rates of new-onset atrial fibrillation (9.3% and 3.8% vs. 28.5% for Buckberg, p < 0.01).
- These strategies also reduced myocardial injury biomarker release (peak CK 520 and 510 vs. 920 U/L, p < 0.01) and respiratory complications (7.8% and 8.1% vs. 16.2%, p = 0.01).
- Mortality, stroke rates, and resource utilization were comparable across all cardioplegia strategies after IPTW adjustment.
Conclusions:
- Calafiore and Custodiol HTK cardioplegia are superior for myocardial protection during MIAVR, evidenced by reduced atrial fibrillation and myocardial injury.
- These findings suggest that specific cardioplegia solutions can mitigate common postoperative complications in MIAVR.
- The study highlights the importance of balancing baseline characteristics and anatomical factors for accurate comparison of surgical strategies.
Related Concept Videos
01:25Aortic Regurgitation III: Medical Management
518
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
518
01:22Aneurysm IV: Nursing Management
541
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
541
01:26Mitral Stenosis III: Medical Management
365
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...
365