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Tricuspid annular size reduction with annuloplasty rings represents the foundation of surgical repair of functional tricuspid regurgitation. However, the precise effect of annular size reduction on leaflet motion and geometry remains unknown. Ten sheep underwent surgical implantation of a pacemaker with an epicardial lead and were paced 200-240 beats/min to achieve biventricular dysfunction and functional tricuspid regurgitation. Subsequently, sonomicrometry crystals were implanted on the right ventricle, the tricuspid annulus, and on the belly of anterior, posterior, and septal tricuspid leaflets. Double-layer polypropylene suture was placed around the tricuspid annulus and externalized to a tourniquet. Simultaneous echocardiographic, hemodynamic, and sonomicrometry data were acquired with functional tricuspid regurgitation and during 5 consecutive annular reduction steps. Annular area, tenting height, and volume, together with each leaflet strain, radial length, and angles, were calculated from crystal ion, suggesting that aggressive undersizing impairs leaflet kinematics. Tricuspid annular area reduction of 55% perturbed anterior and posterior leaflet motion while maintaining normal septal leaflet movement. More extreme reduction triggered profound changes in anterior and posterior leaflet motion, suggesting that aggressive undersizing impairs leaflet kinematics. To evaluate the midterm results of pulmonary valve leaflet augmentation in transannular repair of tetralogy of Fallot (TOF). From 2007 to 2019, 131 patients underwent a transannular repair with pulmonary leaflet augmentation for TOF (n=120) and double outlet right ventricle with pulmonary stenosis (n=11). Patch material was expanded polytetrafluoroethylene (n=76), glutaraldehyde-treated autologous pericardium (n=47) and bovine pericardium (n=8). Median age at repair was 8.9months (interquartile range, 5.4-14.8). There was no operative mortality. Median follow-up was 6.25years (interquartile range, 2.77-7.75). Freedom from severe pulmonary regurgitation (PR) was 85% (95% confidence interval [CI], 77%-90%) and 76% (95% CI, 66%-83%) at 1 and 5years, respectively. Freedom from moderate or greater PR was 69% (95% CI, 60%-76%) and 30% (95% CI, 21%-39%) at 5 and 10years, respectively. Three patients required pulmonary valve replacement for PR. Nine patients required pulmonary balloon valvuloplasty. https://www.selleckchem.com/products/iberdomide.html Freedom from intervention for pulmonary valve stenosis was 98% (95% CI, 93%-99%) and 94% (95% CI, 87%-97%) at 1 and 5years, respectively. One patient with severe PR had an indexed right ventricular volume >160mL/m . Use of expanded polytetrafluoroethylene resulted in a greater freedom from moderate or greater PR (log-rank test P<.001; Cox regression hazard ratio, 0.40; 95% CI, 0.25-0.63; P<.001). At midterm follow-up of transannular repair with pulmonary valve leaflet augmentation, severe PR occurs in less than 50% of patients. The expanded polytetrafluoroethylene patch performs better than pericardium. At midterm follow-up of transannular repair with pulmonary valve leaflet augmentation, severe PR occurs in less than 50% of patients. The expanded polytetrafluoroethylene patch performs better than pericardium. To compare outcomes with wrapped (pulmonary autograft inclusion) versus unwrapped techniques in adults with bicuspid aortic valves undergoing the Ross procedure. Between 1992 and 2019, 129 adults with bicuspid aortic valves (aged ≥18years) underwent the Ross procedure by a single surgeon. Patients were divided into those without autograft inclusion (unwrapped, n=71) and those with autograft inclusion (wrapped, n=58). Median follow-up was 10.3years (interquartile range, 3.0-16.8years). Need for autograft reintervention was analyzed using competing risks. Pre- and intraoperative characteristics as well as 30-day morbidity or mortality did not differ between cohorts. Survival at 1, 5, and 10years, respectively, was 97.2%, 97.2%, and 95.6% in the unwrapped cohort and 100%, 100%, and 100% in the wrapped cohort (P=.15). Autograft valve failure occurred in 25 (35.2%) of the unwrapped and 3 (5.2%) of the wrapped patients. Competing risks analysis demonstrated the wrapped cohort to have a lower need for autograft reintervention (subhazard ratio, 0.28, 95% confidence interval, 0.08-0.91; P=.035). The cumulative incidence of autograft reintervention (death as a competing outcome) at 1, 5, and 10years, respectively, was 10.2%, 14.9%, and 26.8% in the unwrapped cohort and 4.0%, 4.0%, and 4.0% in the wrapped cohort. In adults with bicuspid aortic valves, the Ross procedure with pulmonary autograft inclusion stabilizes the aortic root preventing dilatation and reduces the need for reoperation. The autograft inclusion technique allows the Ross procedure to be performed in this population with excellent long-term outcomes. In adults with bicuspid aortic valves, the Ross procedure with pulmonary autograft inclusion stabilizes the aortic root preventing dilatation and reduces the need for reoperation. The autograft inclusion technique allows the Ross procedure to be performed in this population with excellent long-term outcomes. To investigate the relationship of pulmonary artery diameter (PAD) measured by computed tomography (CT) with outcomes following lobectomy. Records of patients undergoing pulmonary lobectomy for lung cancer between 2011 and 2018 were reviewed. Baseline characteristics and postoperative outcome data were derived from the institutional Society of Thoracic Surgeons database. Luminal diameter of the central pulmonary arteries and ascending aorta were measured on preoperative CTs. Logistic regression analyses were performed to test the association of PAD with complications. A total of 736 lobectomy patients were included, who had a preoperative CT scan (25% with contrast, 75% noncontrast) available for review. A total of 141 (19.2%) patients had an enlarged main PAD ≥30mm, and 58 (7.9%) patients had a main PAD that was larger than the ascending aorta (PA/ascending aorta ratio>1). The right or left PAD on the surgical side was associated with major complication (odds ratio per mm, 1.12; 95% confidence interval, 1.
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