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Aortic valve aneurysm involved in interventricular septum.

ABSTRACT:

SUBMITTER: Qian H

PROVIDER: S-EPMC5336745 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Aortic valve aneurysm involved in interventricular septum.

Qian Hong H Liu Yong Y Li Yajiao Y Zhang Eryong E

Anatolian journal of cardiology 20160201 2

PMID: 26898263

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Pure Aortic Regurgitation Complicated by Membranous Interventricular Septum Aneurysm Treated With Transcatheter Aortic Valve Replacement.

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Aortic dissection extending into the interventricular septum following redo aortic valve replacement surgery in a patient with Takayasu's arteritis: a rare case report.

Project description:BackgroundTakayasu's arteritis is an infrequent manifestation of vasculitis affecting the aorta and its primary branches with numerous symptoms. This report details a rare case wherein a patient developed interventricular septal dissection following aortic valve replacement.Case summaryA middle-aged woman diagnosed with Takayasu's arteritis previously underwent aortic valve replacement with a mechanical valve owing to severe aortic regurgitation. Subsequently, she received a redo aortic valve replacement following an episode of prosthetic valve infective endocarditis with paravalvular leak. Heart failure symptoms emerged during follow-up, revealing aortic root dissection extending into the interventricular septum, causing significant prosthetic valve movement. A Trido Bentall operation and interventricular septum repair were performed, and the patient recovered smoothly.DiscussionInterventricular dissection, although uncommon, may be due to factors such as infection, myocardial infarction, congenital anomalies, trauma, or post-surgical shear stress. Timely diagnosis is imperative to prevent life-threatening complications; surgery remains the primary treatment. The present case report describes a rare presentation that was successfully managed through a Bentall operation and underscores the necessity of prompt intervention in treating this condition.

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Surgical as Opposed to Transcatheter Aortic Valve Replacement Improves Basal Interventricular Septal Hypertrophy.

Project description:BACKGROUND:Basal interventricular septum (IVS) hypertrophy (BSH) with reduced basal IVS contraction and IVS-aorta angle is frequently associated with aortic stenosis (AS). BSH shape suggests compression by the longitudinally elongated ascending aorta, causing basal IVS thickening and contractile dysfunction, further suggesting the possibility of aortic wall shortening to improve the BSH. Surgical aortic valve replacement (SAVR), as opposed to transcatheter AVR (TAVR), includes aortic wall shortening by incision and stitching on the wall and may potentially improve BSH. We hypothesized that BSH configuration and its contraction improves after SAVR in patients with AS. Methods?and?Results: In 32 patients with SAVR and 36 with TAVR for AS, regional wall thickness and systolic contraction (longitudinal strain) of 18 left ventricular (LV) segments, and IVS-aorta angle were measured on echocardiography. After SAVR, basal IVS/average LV wall thickness ratio, basal IVS strain, and IVS-aorta angle significantly improved (1.11±0.24 to 1.06±0.17; -6.2±5.7 to -9.1±5.2%; 115±22 to 123±14°, P<0.001, respectively). Contractile improvement in basal IVS was correlated with pre-SAVR BSH (basal IVS/average LV wall thickness ratio or IVS-aorta angle: r=0.47 and 0.49, P<0.01, respectively). In contrast, BSH indices did not improve after TAVR. CONCLUSIONS:In patients with AS, SAVR as opposed to TAVR improves associated BSH and its functional impairment.

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