Implantable ventricular-assist devices (VADs) have been approved for use both as a bridge to heart transplantation and as a destination therapy. Rising numbers of patients are surviving with these devices for several years. However, infections of these foreign bodies are serious and frequent complications, often requiring removal of the implant, with serious health consequences. Given the increased use of VADs as life-preserving destination therapy, explantation of these devices in the face of infection is impractical. We evaluated and successfully treated 2 patients with VAD pocket infections referred by the cardiac surgery service at our institution using aggressive surgical and pharmacologic therapy, with the goal of preserving the VADs. However, this is still a largely unsolved dilemma requiring further exploration into prevention and treatment since these devastating infections will likely become a more frequent reconstructive challenge.
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http://dx.doi.org/10.1097/01.sap.0000221545.83524.46 | DOI Listing |
BMJ Case Rep
January 2025
Cardiovascular and Thoracic Surgery, University of Louisville School of Medicine, Louisville, Kentucky, USA.
Our patient presented to the emergency room following a motor vehicle accident. The traumatic tricuspid valve rupture was diagnosed by transthoracic echocardiogram, and his respiratory status declined rapidly. He was placed on veno-venous extracorporeal membrane oxygenation (VV ECMO) to bridge him to surgical repair.
View Article and Find Full Text PDFCardiovasc Revasc Med
January 2025
Department of Cardiovascular disease, Henry Ford, Detroit, MI, USA.
Introduction: Cardiogenic shock (CS) is marked by substantial morbidity and mortality. The two major CS etiologies include heart failure (HF) and acute myocardial infarction (AMI). The utilization trends of mechanical circulatory support (MCS) and their clinical outcomes are not well described.
View Article and Find Full Text PDFJ Comput Assist Tomogr
January 2025
Department of Radiology, George Washington University Hospital, Washington, DC.
The next step in the evolution of static 3-dimensionally (3D) printed models may be the creation of "smart" models, where subcomponents can be seamlessly interacted with through a feedback mechanism, with potential applications in trainee education and patient counseling. Considering the complexity of the ventricular and cisternal systems, they were chosen for segmentation, using Materialize InPrint with outward hollowing using 2.5-mm wall thickness.
View Article and Find Full Text PDFActa Bioeng Biomech
June 2024
1Department of Biomedical Engineering, Hefei University of Technology, Hefei, People's Republic of China.
: The utilization of intra-aortic balloon pump (IABP) and Impella has been suggested as means of left ventricular unloading in veno-arterial extracorporeal membrane oxygenation (VA-ECMO) patients. This study aimed to assess the local hemodynamic alterations in VA-ECMO patients through simulation analyses. : In this study, a 0D-3D multiscale model was developed, wherein resistance conditions were employed to define the flow-pressure relationship.
View Article and Find Full Text PDFHeart Vessels
January 2025
Division of Cardiology, Mitsui Memorial Hospital, Kanda-Izumicho 1, Chiyoda-ku, Tokyo, 101-8643, Japan.
The concomitant use of IMPELLA and veno-arterial extracorporeal membrane oxygenation (V-A ECMO) (ECPELLA) has been increasingly used to treat severe cardiogenic shock. However, the relationship between severity of heart failure on admission and prognosis based on differences in the mechanical circulatory support (MCS) is not fully understood. This study evaluated the association between lactate levels on admission and clinical outcomes based on differences in MCS.
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