Seminars in Thoracic and Cardiovascular Surgery

We aimed to investigate the prevalence and predictors of postoperative tricuspid regurgitation (TR) worsening in patients with mitral regurgitation (MR) and concomitant ≤mild TR. A total of 620 patients underwent surgery for MR from 2013 to 2017. Of these, 260 had ≤mild preoperative TR and no concomitant tricuspid valve surgery and were enrolled in this single-center retrospective study. The primary endpoint was postoperative worsening of ≥moderate TR. The primary endpoint occurred in 28 of 260 patients (11%) during the follow-up period [median: 4...

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We compare outcomes of endo-aortic balloon occlusion (EABO) versus external aortic clamping (EAC) in patients undergoing minimally invasive mitral valve surgery (MIMVS) in the Society of Thoracic Surgeons (STS) Adult Cardiac Surgery Database. Adults undergoing mitral valve surgery (July 2017 - December 2018) were identified within the STS database (N=60,607). 7,978 patients underwent a minimally invasive approach (including robotically assisted). 1,163 EABO patients were 1:1 propensity-matched to EAC patients using exact matching on age, sex, and type of mitral procedure, and propensity-score average matching for 16 other risk indicators...

There is limited data on the outcomes of children who undergo surgery for aortic valve infective endocarditis (IE), and the optimal surgical approach remains controversial. We investigated the long-term outcomes of surgery for aortic valve IE in children, with a particular focus on the Ross procedure. A retrospective review of all children who underwent surgery for aortic valve IE was performed at a single institution. Between 1989 and 2020, 41 children underwent surgery for aortic valve IE, of whom 16 (39...

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OBJECTIVE: We sought to couple current cardiac magnetic resonance (CMR) thresholds of right ventricular (RV) size and function with longitudinal trajectories of RV recovery, after pulmonary valve replacement (PVR). We aimed to identify optimal timing of PVR and couple CMR-based metrics with contemporaneous echocardiographic metrics. METHODS: From 6/2002 to 1/2019, 174 patients with severe pulmonary regurgitation and peak RV outflow tract gradient <30 mmHg underwent PVR at Cleveland Clinic...

Limited aortic root repair for acute type A dissection is associated with greater risk of proximal reoperations compared to full aortic root replacement. Surgical outcomes for patients undergoing reoperative root replacement after previous dissection repair are unknown. This study seeks to determine outcomes for these patients to further inform the debate surrounding optimal upfront management of the aortic root in acute dissection. Retrospective record review of all patients who underwent full aortic root replacement after a previous type A dissection repair operation at a tertiary academic referral center from 2004-2020 was performed...

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In lung transplantation, postoperative outcomes favor intraoperative use of extracorporeal membrane oxygenation (ECMO) over cardiopulmonary bypass (CBP). We investigated the effect of intraoperative support strategies on endothelial injury biomarkers and short-term posttransplant outcomes. Adults undergoing bilateral lung transplantation with No-Support, veno-arterial (V-A) ECMO, or CPB were included. Plasma samples pre- and post-transplant were collected for Luminex assay to measure endothelial injury biomarkers including syndecan-1 (SYN-1), intercellular adhesion molecule-1 (ICAM-1), and matrix metalloprotease-9...

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Lung transplantation is a life-saving treatment for patients with end-stage lung disease. COVID-19 has been associated with a severe and rapid decline in pulmonary function, in which case lung transplantation has been described to be effective. We herein describe nine patients who underwent lung transplantation for COVID-19 acute respiratory distress syndrome, of whom six were bridged with extracorporeal membrane oxygenation (ECMO). The median time of pre-operative observation periods was 54 days to ensure no lung function recovery and the time to wean off ECMO was 3 days...

Valve-sparing repair (VSR) of tetralogy of Fallot (TOF) tends to result in higher residual right ventricular outflow tract (RVOT) gradients. We evaluated the progression and clinical implications of RVOT gradients following VSR of TOF. Demographics, clinical, and operative data were retrospectively collected from consecutive TOF patients who underwent VSR at our institution between 01/2010 and 06/2021. RVOT gradient, pulmonary valve annulus (PVA) diameter and Boston Z-scores were recorded from serial echocardiograms...

Treatment approach to type A aortic dissection with malperfusion, immediate open aortic repair versus upfront endovascular treatment, remains controversial. From January 2017 to July 2021, 301 consecutive type A repairs were evaluated at our institution. Starting in 2019, all type A aortic dissections were performed in a fixed-fluoroscopy, hybrid operating room. Propensity score matching was used to control baseline patient characteristics between traditional and hybrid operating room approaches. There were 144 patients in the traditional group and 157 in the hybrid group...

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Discrepancies between radiological whole tumor size (RTS) and pathological whole tumor size (PTS) are sometimes observed. Unexpected pathological upsize may lead to insufficient margins during procedures like sublobar resections. Therefore, this study aimed to investigate the current status of these discrepancies and identify factors resulting in pathological upsize in patients with early-stage non-small cell lung cancer (NSCLC). Data from a multicenter database of 3,092 patients with clinical stage 0-IA NSCLC who underwent pulmonary resection were retrospectively analyzed...

Repair of concomitant aortic and mitral valvular disease with involvement of the aortomitral curtain requires a technically complex operation colloquially termed the commando procedure. Surgical outcomes of this procedure are not well described. The objective of this study was to examine outcomes of the commando procedure at our center. We identified all patients undergoing concomitant aortic and mitral valve replacements from 2004-2021. Of 363 patients, 41 underwent reconstruction of the aortomitral curtain...