Heart transplantation from donation after circulatory death: a meta-analysis of national registries.

Background: Although it has been widely recognized that heart transplantation (HT) following donation after circulatory death (DCD) can be a successful strategy to expand the donor pool, its clinical outcomes compared to donation after brain death (DBD) are still the subject of intense investigation. We reviewed the clinical characteristics of HT after DCD from the three largest multicenter nationwide registries, highlighting technical aspects, donor and recipient selection, and early outcomes. Moreover, we performed a meta-analysis of survival outcomes of DCD DBD using reconstructed individual patient time-to-event data.

The impact of dominant ventricle morphology and additional ventricular chamber size on clinical outcomes in patients with Fontan circulation.

Objectives: The functional roles of ventricular dominance and additional ventricular chamber after Fontan operation are still uncertain. We aim to assess and correlate such anatomical features to late clinical outcomes.

Methods: Fontan patients undergoing cardiac MRI and cardiopulmonary exercise test between January 2020 and December 2022 were retrospectively reviewed.

Impact of Right Ventricular Pressure Overload on Myocardial Stiffness Assessed by Natural Wave Imaging.

Background: Right ventricular (RV) hemodynamic performance determines the prognosis of patients with RV pressure overload. Using ultrafast ultrasound, natural wave velocity (NWV) induced by cardiac valve closure was proposed as a new surrogate to quantify myocardial stiffness.

Objectives: This study aimed to assess RV NWV in rodent models and children with RV pressure overload vs control subjects and to correlate NWV with RV hemodynamic parameters.

Longitudinal Evaluation of Congenital Cardiovascular Surgical Performance and Skills Retention Using Silicone-Molded Heart Models.

Hands-on surgical training (HOST) for congenital heart surgery (CHS), utilizing silicone-molded models created from 3D-printing of patients' imaging data, was shown to improve surgical skills. However, the impact of repetition and frequency of repetition in retaining skills has not been previously investigated. We aimed to longitudinally evaluate the outcome for HOST on two example procedures of different technical difficulties with repeated attempts over a 15-week period.

Test Bench for Right Ventricular Failure Reversibility: The Hybrid BiVAD Concept.

Background: When heart transplantation and myocardial recovery are unlikely, patients presenting with biventricular cardiogenic shock initially treated with extracorporeal membrane oxygenation (ECMO) may benefit from a mechanical support upgrade. In this scenario, a micro-invasive approach is proposed: the combination of the double-lumen ProtekDuo cannula (Livanova, London, UK) and the Impella 5.5 (Abiomed, Danvers, MA) trans-aortic pump that translates into a hybrid BiVAD.

Alternative Antimicrobial Irrigation Strategies for the Treatment of Infections in Children: A Review of the Existing Literature.

As a synergistic treatment approach with systemic antimicrobial therapy or a systemic antibiotic-sparing strategy, the local administration of antimicrobial agents has been proposed as an alternative route for complicated infections. With the rationale of concentrating the active principle in the desired target site, avoiding potentially toxic systemic levels and bypassing anatomical and physiological barriers, local irrigation or infusion of antibiotics may effectively shorten the antimicrobial therapy course and reduce both infection-related and systemic therapy-related complications. Although evidence from the adult population supports its use in selected patients with an acceptable safety profile, data specifically focused on the pediatric population are limited.

Tricuspid Valve Repair Can Restore the Prognosis of Patients with Hypoplastic Left Heart Syndrome and Tricuspid Valve Regurgitation: A Meta-analysis.

To date, evidence supporting the efficacy of tricuspid valve (TV) repair in interrupting the progression of systemic right ventricular (RV) adverse remodeling in hypoplastic left heart syndrome (HLHS) is conflicting. We conducted a systematic review and meta-analysis of scientific literature to assess the impact of TV repair in effectively modifying the prognosis of patients with HLHS. We conducted a systematic review of PubMed, Web of Science, and Scopus databases.

The AngioVac System in Childhood and Adolescence: A New Venovenous Extracorporeal Membrane Oxygenation-Like Configuration.

Intravascular and intracardiac clots, thrombi, and vegetative material can be safely and effectively treated with the AngioVac System (AngioDynamics, Latham, NY) as an alternative to open surgery. However, this technology is still not performed in children or adolescents as a rule. We aimed to present our experience with two cases (a 10 year old girl and a 17 year old male adolescent) with concurrent hypoxemia in whom this device was successfully used in combination with venovenous extracorporeal membrane oxygenation to remove caval thrombi and cavoatrial septic material, respectively.

Proof of Concept: Trans-atrial AngioVac Aspiration of Mitral Valve Thrombosis in a COVID-19 Patient.

In patients with a prohibitive surgical risk, the AngioVac cannula can be used to remove left-sided cardiac masses, as an off-label adaptation of the device. We herein describe a novel micro-invasive approach to gain access to the left atrium for the aspiration of a mitral valve mass in a patient affected by severe coronavirus disease 2019. Through a right anterior mini-thoracotomy, the right superior pulmonary vein was accessed and used to insert the aspiration cannula.

Rodent Models of Dilated Cardiomyopathy and Heart Failure for Translational Investigations and Therapeutic Discovery.

Even with modern therapy, patients with heart failure only have a 50% five-year survival rate. To improve the development of new therapeutic strategies, preclinical models of disease are needed to properly emulate the human condition. Determining the most appropriate model represents the first key step for reliable and translatable experimental research.

Prognosticating Mortality of Primary Cardiogenic Shock Requiring Extracorporeal Life Support: The RESCUE Score.

We aimed to identify prognostic laboratory markers during extracorporeal life support (ECLS) in patients with primary refractory cardiogenic shock (RCS) and to create a preliminary specific mortality score. All 208 consecutive subjects admitted for primary RCS and treated with ECLS between January-2009 and December-2018 were retrospectively analyzed. Multivariate regression analysis on laboratory markers during the first nine days of ECLS was used to develop a "Refractory End-stage Shock CUred with Ecls" (RESCUE) score.

Navigating the Heart. The Evolution of the AngioVac System in a Single-center Experience.

We investigated the efficacy, safety, and versatility of the AngioVac (AngioDynamics, Latham, NY) system for the treatment of intravascular and intracardiac masses of different origins. We prospectively enrolled all consecutive patients treated with the AngioVac system between July-2016 and November-2021 at our institution. Three configurations of the device were adopted in 44 patients: a venous-venous circuit in 21 cases (47.

Planned Combo Strategy for LVAD Implantation in ECMO Patients: A Proof of Concept to Face Right Ventricular Failure.

We propose a patient-tailored strategy that considers the risk for postoperative right heart failure, utilizing the percutaneous ProtekDuo cannula (Livanova, London, UK) in an innovative way to perform cardiopulmonary bypass during LVAD implantation in ECMO patients. Our novel protocol is based on the early intra-operative use of the ProtekDuo cannula, adopting the distal lumen as the pulmonary vent and the proximal lumen as the venous inflow cannula during cardiopulmonary bypass. This configuration is rapidly switched to the standard fashion to provide planned postoperative temporary right ventricular support, in selected patients at high risk of right ventricular failure.

Ventricular morphology of single-ventricle hearts has a significant impact on outcomes after Fontan palliation: a meta-analysis.

Objectives: A conclusive interpretation of the role of ventricular dominance in outcomes after Fontan palliation has not been formulated yet. We conducted a systematic review and meta-analysis of scientific literature to give an insight into the impact of ventricular morphology in single-ventricle palliation, focusing on its influence on survival, morbidities, ventricular performance and functional capacity.

Methods: A systematic review of PubMed, Web of Science and Scopus databases was performed.

COVID-19 in Infants Less than 3 Months: Severe or Not Severe Disease?

Compared to adults, severe or fatal COVID-19 disease is much less common in children. However, a higher risk for progression has been reported in infants. Different pediatric COVID-19 severity scores are reported in the literature.

Propensity-Weighted Comparison of Conventional Stented and Rapid-Deployment Aortic Bioprostheses.

Aim of this study was to compare early clinical and hemodynamic outcomes of Intuity and ME bioprostheses. A propensity score weighting approach was performed. Preoperative variables were defined according to EuroSCORE criteria and postoperative complications according to VARC-2 definitions.

Pulmonary Artery Banding for Dilated Cardiomyopathy in Children: Returning to the Bench from Bedside.

Current treatment paradigms for end-stage dilated cardiomyopathy (DCM) in children include heart transplantation and mechanical support devices. However, waitlist mortality, shortage of smaller donors, time-limited durability of grafts, and thrombo-hemorrhagic events affect long-term outcomes. Moreover, both these options are noncurative and cannot preserve the native heart function.

How to Optimize ECLS Results beyond Ventricular Unloading: From ECMO to CentriMag eVAD.

CentriMag extracorporeal VAD support could represent a more physiological choice than conventional ECMO in primary cardiogenic shock. We therefore evaluated the outcome of patients with primary cardiogenic shock who were supported with CentriMag extracorporeal VAD implantation versus conventional ECMO. We retrospectively reviewed all extracorporeal life supports implanted for primary cardiogenic shock between January 2009 and December 2018 at our institution.

Vacuum-Implemented Removal of Lead Vegetations in Cardiac Device-Related Infective Endocarditis.

When approaching infected lead removal in cardiac device-related infective endocarditis (CDRIE), a surgical consideration for large (>20 mm) vegetations is recommended. We report our experience with the removal of large CDRIE vegetations using the AngioVac system, as an alternative to conventional surgery. We retrospectively reviewed all infected lead extractions performed with a prior debulking using the AngioVac system, between October 2016 and April 2022 at our institution.

Technology and technique for left ventricular assist device optimization: A Bi-Tech solution.

Background: We investigated the synergistic effect of the new cone-bearing design of Jarvik 2000 (Jarvik Heart Inc., NY) together with a minimally-invasive approach to outcomes of LVAD patients.

Methods: We retrospectively reviewed all patients from 5 institutions involved in the Jarvik 2000 Italian Registry, from October 2008 to October 2016.

Surgery for Anomalous Aortic Origin of a Coronary Artery (AAOCA) in Children and Adolescents: A Meta-Analysis.

We conducted a systematic review and meta-analysis of the literature to assess the outcomes of surgery for the anomalous aortic origin of a coronary artery in children and young adults (<30 years). Thirteen publications were selected, including a total of 384 patients. Unroofing of the intramural segment was adopted in 92% (95% CI: 81%-98%) of cases, with pooled early and late mortality of 0% (95% CI: 0%-0.