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Mixed reality for preoperative planning and intraoperative assistance of surgical correction of complex congenital heart defects.
J Thorac Cardiovasc Surg
January 2025
Division of Cardiology, The Hospital for Sick Children, Toronto, ON, Canada; Center for Image Guided Innovation and Therapeutic Intervention, The Hospital for Sick Children, Toronto, ON, Canada.
Objectives: Mixed reality (MixR) is an innovative visualization tool that presents virtual elements in a real-world environment, enabling real-time interaction between the user and the combined digital/physical reality. We aimed to explore the feasibility of MixR in enhancing preoperative planning and intraoperative guidance for the correction of various complex congenital heart defects (CHDs).
Methods: Patients underwent cardiac computed tomography or cardiac magnetic resonance and segmentation of digital imaging and communications in medicine (DICOM) images was performed.
Case report: Surgical closure of a facial defect in an African wild dog () utilizing a transpositional skin flap.
Front Vet Sci
January 2025
College of Veterinary Medicine, Michigan State University, East Lansing, MI, United States.
Veterinary intervention in zoological species can be complicated by species-specific social dynamics. African wild dogs are a pack species and removal or separation of an individual may disrupt established pack hierarchy resulting in conspecific aggression. Therefore, medical interventions that optimize a quick return to health are ideal to minimize the duration of absence from the pack.
View Article and Find Full Text PDFArrhythmia Burden in Congenitally Corrected Transposition of the Great Arteries (cc-TGA): Does Treatment Pathway Matter?
Heart Rhythm
January 2025
Children's Institute Department of Heart, Vascular & Thoracic, Division of Cardiology & Cardiovascular Medicine, Cleveland Clinic Children's, Cleveland, Ohio. Electronic address:
Background: There is limited data comparing arrhythmia burden amongst patients with congenitally corrected transposition of the great arteries (cc-TGA) undergoing anatomic repair (AR), physiologic repair (PR), and non-surgical management (NS).
Objective: To examine the difference in rate of brady- and tachyarrhythmias amongst patients with cc-TGA stratified by treatment pathway.
Methods: A retrospective cohort study was conducted including all patients with cc-TGA followed at Cleveland Clinic Children's (1995-2021).
A Juxta-Arterial and Perimembranous Confluent Ventricular Septal Defect in Transposition of the Great Arteries.
World J Pediatr Congenit Heart Surg
January 2025
Fujimidai-dori Clinic, Tokyo, Japan.
Transposition of the great arteries (TGA) with a rare form of ventricular septal defect (VSD) needs careful attention when choosing the optimal strategy for repair. A neonate with TGA and an atypical VSD, which extended from the perimembranous to the juxta-arterial regions, underwent the arterial switch procedure. The large VSD was successfully closed via a trans-tricuspid combined with a trans-aortic valve approach concomitantly with the arterial switch maneuver.
View Article and Find Full Text PDFRight ventricular remodeling in complex congenital heart disease.
Can J Cardiol
January 2025
Research Center, Montreal Heart Institute, Department of Medicine, Université de Montréal, Montreal, Canada; Adult Congenital Heart Centre, Montreal Heart Institute, Université de Montréal, Montreal, Canada. Electronic address:
In congenital heart diseases (CHD) of moderate to great complexity involving the right ventricle (RV), the morphologic RV can be exposed to significant stressors across the lifespan either in a biventricular circulation in a sub-pulmonary or sub-aortic position, or as part of a univentricular circulation. These include pressure and/or volume overload, hypoxia, ischemia, and periprocedural surgical stress leading to remodeling, maladaptation, dilation hypertrophy and dysfunction. This review examines the macroscopic remodeling of the RV in various forms of CHD and explores remodeling trajectories, along with the effects of surgeries and residual lesion repair, in tetralogy of Fallot, Ebstein anomaly, congenitally corrected transposition of the great arteries, transposition of the great arteries with atrial switch surgery, and single ventricle palliated by Fontan.
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