Comparison of pulmonary and aortic root and cusp dimensions in normal adults using computed tomography: potential implications for Ross procedure planning.

Objectives: The Ross procedure is currently receiving renewed interest. Its function and durability depend on preservation of pulmonary valve anatomy; limited data exist on normal pulmonary valve geometry. The objective was to compare aortic and pulmonary root and cusp dimensions in adults with normal tricuspid aortic and pulmonary valves.

Bicuspid Aortic Valve Repair and Single Coronary Ostium.

Bicuspid aortic valves may be associated with coronary anomalies. We report a case of a regurgitant bicuspid aortic valve and concomitant single coronary ostium, which we treated by valve repair and coronary transfer.

Recurrent Intrathoracic Liposarcoma: A Case Report and a Comprehensive Literature Review of a Rare Clinical Entity.

Liposarcomas (LPSs) are rare malignant tumors of adipocytic origin, primarily occurring in the extremities and retroperitoneum, with thoracic involvement being exceptionally rare. This case report details the surgical management and outcomes of a recurrent intrathoracic LPS in a 65-year-old male with a history of previous mediastinal tumor resection. CT imaging revealed a recurrent tumor extending into the left pleura.

Durability of right ventricular conduits in the Ross procedure.

Background: Right ventricular (RV) conduit availability and degeneration are potential limitations of the Ross procedure. Pulmonary homografts are the gold standard, but their limited availability drives the need for alternatives. The aim of this study was to compare results of different RV conduits.

Aortic Root Remodeling in the Tricuspid Aortic Valve.

Background: Aortic root remodeling is one of the principal forms of valve-preserving root replacement. Its value has been questioned by some, whereas others have achieved excellent valve durability. The purpose of this review is to summarize the existing information to determine which factors may have contributed both to failures and to successes.

Aortic valve cusp size and shape in dilated trileaflet aortic roots.

Objectives: The objective of the study was to quantify the differences in cusp size and shape in patients with normal and dilated trileaflet aortic roots and in dilated roots with or without aortic regurgitation.

Methods: A retrospective analysis of computed tomography studies in patients with normal and dilated trileaflet aortic roots was performed measuring root and cusp dimensions. Normal root size was defined as sinuses of Valsalva diameter less than 40 mm, dilated as 45 mm or greater.

Smooth muscle cell phenotypic switching occurs independent of aortic dilation in bicuspid aortic valve-associated ascending aortas.

Background: Bicuspid aortic valves (BAV) are frequently associated with ascending aortic aneurysms. The etiology is incompletely understood, but genetic factors, in addition to flow perturbations, are likely involved. Since loss of contractility and elaboration of extracellular matrix in the vessel wall are features of BAV-associated aortopathy, phenotypic modulation of smooth muscle cells (SMCs) may play a role.

Contemporary Valvular Mechanisms of Aortic Regurgitation in Tricuspid Aortic Valves: Importance in Repair Versus Replacement Strategy.

Background: This study was performed to determine cusp causes of aortic regurgitation in patients with tricuspid aortic valves without significant aortic dilatation and define cusp pathologies amenable to surgical repair (aortic valve repair [AVr]) versus aortic valve replacement.

Methods And Results: We retrospectively reviewed surgical reports of consecutive adults with tricuspid aortic valves undergoing surgery for clinically significant aortic regurgitation within a prospective registry from January 2005 to September 2019. Valvular mechanisms were determined by systematic in vivo intraoperative quantification methods.

Segmental analysis of aortic basal ring dimensions in normal and dilated tricuspid aortic roots.

Objectives: In patients with aortic root aneurysm, the aortic basal ring is frequently dilated. It has been speculated that the muscular part of the basal ring dilates most. The purpose of this study was to analyse the segmental dilatation of the basal ring, comparing normal and dilated roots in patients with tricuspid aortic valves.

[Chronic thromboembolic pulmonary hypertension].

Chronic thromboembolic pulmonary disease (CTEPD) is an important late complication of acute pulmonary embolism, in which the thrombi transform into fibrous tissue, become integrated into the vessel wall, and lead to chronic obstructions. CTEPD is differentiated into cases without pulmonary hypertension (PH), characterized by a mean pulmonary arterial pressure up to 20 mmHg and a form with PH. Then, it is still referred to as chronic thromboembolic pulmonary hypertension (CTEPH).

[Chronic thromboembolic pulmonary hypertension].

Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare disease, but an important late sequela after acute pulmonary embolism. Therefore, follow-up after at least three months of sufficient anticoagulation is recommended. Patients with suspected CTEPH should be referred to specialized CTEPH centers for further evaluation and treatment.

Late-Onset Prosthetic Endocarditis with Paraaortic Abscess Caused by .

, an integral component of the skin's customary bacterial flora, represents a Gram-positive anaerobic bacterium characterized by its low virulence. Despite its low virulence, the pathogen can cause profound-seated infections as well as infections linked to medical devices. We report a case study of a prosthesis endocarditis accompanied by a paraaortic abscess caused by , a development occurring five years prior to composite aortic root and valve replacement.

Functional interaction of aortic valve and ascending aorta in patients after valve-sparing procedures.

Pressure recovery (PR) is essential part of the post stenotic fluid mechanics and depends on the ratio of EOA/A, the effective aortic valve orifice area (EOA) and aortic cross-sectional area (A). In patients with advanced ascending aortic aneurysm and mildly diseased aortic valves, the effect of A on pressure recovery and corresponding functional aortic valve opening area (ELCO) was evaluated before and after valve-sparing surgery (Dacron graft implantation). 66 Patients with ascending aortic aneurysm (mean aortic diameter 57 +/- 10 mm) and aortic valve-sparing surgery (32 reimplantation technique (David), 34 remodeling technique (Yacoub)) were routinely investigated by Doppler echocardiography.

Valve-sparing aortic root replacement-for all patients?

Background: Valve-sparing root replacement (VSRR) has been associated with good survival and low rates of valve-related complications (VRCs). Whether these advantages are present irrespective of patient comorbidity or age is unclear. The aim of this study was to analyze survival and frequency of VRCs in relation to patient comorbidity and age.

Aortic root remodeling.

Aortic root remodeling was originally designed in the late 1980s to treat patients with tricuspid aortic valves (TAVs), aortic regurgitation (AR), and root aneurysm to normalize root dimensions. The late results showed a relevant proportion of patients who required reoperation for recurrent AR. Later observations revealed that cusp prolapse is frequently present after correction of root dilatation.