Traumatic transcatheter aortic valve replacement.

A 76-year-old female with severe symptomatic aortic stenosis underwent cardiac CT angiography imaging. Severe calcification of the ascending aorta (porcelain aorta) (Figures 1A and 1B) precluded surgical aortic valve replacement. The aortic annular area, perimeter, and diameter were 372 mm2, 68.

Prothrombin Complex Concentrate vs Factor VII for Refractory Bleeding in Cardiac Surgery.

Background: Perioperative bleeding remains an important complication of cardiac surgery. Current guidelines support goal-directed use of coagulation factor concentrates in refractory bleeding, but the optimal strategy is unclear. Four-factor prothrombin complex concentrate (4F-PCC) has theoretical advantages over recombinant activated factor VII (rFVIIa) because of expanded mechanistic targets and lower rates of adverse events, but comparative data are limited.

Extended Bose-Hubbard model with dipolar excitons.

The Hubbard model constitutes one of the most celebrated theoretical frameworks of condensed-matter physics. It describes strongly correlated phases of interacting quantum particles confined in lattice potentials. For bosons, the Hubbard Hamiltonian has been deeply scrutinized for short-range on-site interactions.

Gunshot Wound to the Right Superior Pulmonary Vein With Bullet Embolization to the Aortic Bifurcation: Emergent Surgical Repair.

Bullet embolization is a rare complication of gunshot wound injuries with most of the literature consisting of case reports. We report a case regarding bullet embolization to the distal aorta following entry into the right superior pulmonary vein as a result of a gunshot wound to the posterior chest. The patient presented with signs of lower extremity ischemia.

The Femoral Venoarterial Perfusion During Open Abdominal Aortic Aneurysm Repair in Patient With Renal Transplant.

We report of a patient with abdominal aortic aneurysm and renal transplant who underwent aneurysm repair. These patients can be treated by eather open or endovascular approach, depending on several factors, including aneurysm morphologic suitability for endovascular tretament, age of patient, and comorbidities.The main challange with open repair approach is to maintain renal transplant perfusion during the aortic cross clamping.