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Transcatheter Pulmonary Flow Restrictors as a Palliative Bridge to Heart Transplant.

Pediatr Transplant

February 2025

Division of Pediatric Cardiology, Department of Pediatrics and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA.

Background: In recent years, transcatheter implantation devices to restrict pulmonary arterial flow have emerged as a potential alternative to surgical pulmonary artery banding.

Case Presentation: A term male was diagnosed with critical aortic stenosis (AS) and severely reduced left ventricle (LV) systolic function. He underwent aortic balloon valvuloplasty on day 2 of life, resulting in some antegrade flow, but LV ejection fraction only improved to 15%.

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Coronary sinus (CS) defects are rare congenital cardiac anomalies that occur in isolation or with other congenital heart diseases. Persistent left superior vena cava (LSVC) is a relatively common entity that usually drains into the CS, is of no hemodynamic consequence, and is easily diagnosed on echocardiography by a dilated CS and an antegrade flow toward the heart. However, a combination of LSVC and CS defect may reverse its flow direction and CS dilation may be absent.

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Pregnancy-related spontaneous coronary artery dissection (P-SCAD) is a life-threatening condition that occurs during or after pregnancy, is rare and can be overlooked. It is one of the most important causes of pregnancy-related acute myocardial infarction. A 25-year-old female patient was admitted with a complaint of chest pain in her 37th week of pregnancy.

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Background: Superficial temporal artery (STA)-middle cerebral artery (MCA) side-to-side microvascular anastomosis can achieve the same clinical effects as traditional STA-MCA end-to-side anastomosis in extracranial-intracranial revascularization surgery, furthermore, STA-MCA side-to-side anastomosis has the lower risk of postoperative cerebral hyperperfusion syndrome (CHS) and the potential to recruit all scalp arteries as the donor sources via self-regulation. Therefore, STA-MCA side-to-side microvascular anastomosis seems to be a revascularization strategy superior to traditional STA-MCA end-to-side anastomosis. In this study, we presented seven cases in which a STA-MCA side-to-side microvascular anastomosis was performed with a 4-5 mm long arteriotomy using the in-situ intraluminal suturing technique.

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Introduction: In recent years, advancements in chronic total occlusion (CTO) percutaneous coronary intervention (PCI) have been notable, improving procedural techniques, imaging, and management of complications.

Aim: We sought to assess the performance and the practice of a high-volume Tunisian PCI center in treating patients with a CTO.

Methods: We retrospectively evaluated data from consecutive CTO patients who underwent percutaneous revascularization from October 2019 to January 2024 at the cardiology department of Habib Thameur Teaching Hospital, Tunisia.

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