Surgical Repair for the Treatment of Pulmonary Vein Stenosis After Radiofrequency Ablation.

Radiofrequency ablation procedures for atrial fibrillation are occasionally associated with pulmonary vein stenosis (PVS). A common treatment for PVS is catheter intervention; however, because of the high restenosis rate, it is not suitable for young patients. The case presented herein is of a young male patient with severe bilateral PVS who underwent successful surgical pulmonary vein repair by sutureless technique.

[Tetralogy of Fallow with Total Anomalous Pulmonary Vein Return and Atrial Septal Defect;Successful Two-staged Surgical Management;Report of a Case].

A combination of tetralogy of Fallot( TOF) and total anomalous pulmonary venous return(TAPVR) is rare and results in chronic volume and pressure load of the right side of the heart and underfilling of the left heart. We report a successful 2-staged surgical correction of TOF associated with TAPVR and atrial septal defect. The patient was unsuitable for total primary intracardiac correction because the volume of the left ventricle was considered to be small.

Left Ventricular Myxoma Occluding the Suprarenal Abdominal Aorta in an Infant.

Myxoma is the most common primary cardiac tumor in adults; however, it is extremely rare in infants. Acute occlusion of the abdominal aorta by a cardiac myxoma is also rare. We report the case of an infant with acute occlusion of the suprarenal abdominal aorta by a left ventricular myxoma.

Repair of Ebstein's anomaly in neonates and small infants: impact of right ventricular exclusion and its indications.

Objectives: In cases of severe Ebstein's anomaly, it is essential to determine whether biventricular repair (BVR) or single-ventricle palliation is feasible. Since 1999, in our institution, we have used the novel technique comprising tricuspid valve (TV) closure and right ventricular and right atrial (RV/RA) exclusion to reduce the deleterious effects of an enlarged RV in patients with severe Ebstein's anomaly. However, in cases with good RV function, primary BVR is performed.

Apico-brachiocephalic artery bypass for aortic stenosis with porcelain aorta.

Apicoaortic bypass for left ventricular outflow tract obstruction has been performed with acceptable mid-term mortality. However, sometimes it is difficult to anastomose the distal end of the conduit to the calcified descending aorta in patients with a porcelain aorta. We report an aortic non-touch modification of the apicoaortic bypass in an 80-year-old woman with valvular aortic stenosis and a porcelain aorta extending from the ascending to abdominal aorta.

The potential of disproportionate growth of tricuspid valve after decompression of the right ventricle in patients with pulmonary atresia and intact ventricular septa.

Objective: Tricuspid valve size is the major determinant of outcomes for patients with pulmonary atresia with intact ventricular septum. Lack of right ventricle-pulmonary artery continuity is associated with poor tricuspid valve growth (decrement in Z-value). However, most reports did not show evidence for disproportionate growth of the tricuspid valve after establishment of right ventricle-pulmonary artery continuity.

Effect of a miniaturized cardiopulmonary bypass system on the inflammatory response and cardiac function in neonatal piglets.

The cognitive impairment and hemodynamic instability after neonatal cardiac surgery with cardiopulmonary bypass (CPB) might be exacerbated by hemodilution. Therefore, this study investigated the impact of different bloodless prime volumes on the hemodynamics and the inflammatory response by a miniaturized CPB system in neonatal piglets. The bypass circuit consisted of a Capiox RX05 (Capiox Baby RX, Terumo Corp.

Ultrafiltration of priming blood before cardiopulmonary bypass attenuates inflammatory response and maintains cardiopulmonary function in neonatal piglets.

Blood priming is necessary for cardiopulmonary bypass (CPB) in neonates to avoid excessive hemodilution; however, transfusion-related inflammation affects postCPB outcomes in neonatal open-heart surgery. We hypothesized that ultrafiltration of priming blood before CPB may reduce inflammatory mediators in priming blood and postCPB inflammatory responses, thereby improving cardiopulmonary function. Twelve 1-week-old piglets (3.

Risk factors for mortality after the Norwood procedure using right ventricle to pulmonary artery shunt.

Background: The purpose of this study was to describe the experience with staged surgical reconstruction of the hypoplastic left heart syndrome (HLHS) with a right ventricle to pulmonary artery conduit and to identify the risk factors that influence late outcome.

Methods: Between February 1998 and June 2007, 62 patients with HLHS underwent a Norwood procedure by using right ventricle to pulmonary artery conduit (median age, 9 days [range, 1 to 57]; median body weight 2.7 kg [range, 1.

Effect of modified ultrafiltration on postoperative course in neonates with complete transposition of the great arteries undergoing arterial switch operation.

Background: The purpose of the present study was to evaluate the effect of modified ultrafiltration (MUF) on neonates with transposition of the great arteries (TGA) undergoing arterial switch operation.

Methods And Results: The current study included 36 neonates who underwent an arterial switch operation between 1998 and 2006. Arterio-venous MUF was done in 15 patients (MUF-treated group) and the other 21 patients were controls.

Impact of miniaturization of cardiopulmonary bypass circuit on blood transfusion requirement in neonatal open-heart surgery.

This study was undertaken to determine the impact of miniaturization of a cardiopulmonary bypass (CPB) circuit on blood transfusion and hemodynamics in neonatal open-heart surgery. Neonates (n = 102) undergoing open-heart surgery between 2002 and 2006 were included and divided into three groups: group 1 (n = 28), Dideco 902 oxygenator + 5/16" line; group 2 (n = 29), Dideco 901 oxygenator + 1/4" line; group3 (n = 45), Dideco 901 oxygenator + 3/16" arterial + 1/4" venous line. Amount of priming volume, blood and bicarbonate sodium use during CPB, and hemodynamics were compared.

Continuous cerebral and myocardial perfusion during aortic arch repair in neonates and infants.

To minimize myocardial ischemia, we repaired aortic arch obstruction with ventricular septal defect, using two different techniques of cerebral and myocardial perfusion. Seventy-one infants, ages 3 to 137 days, underwent primary repair of coarctation of the aorta (n = 49)/interruption of the aortic arch (n = 22) with ventricular septal defect. In 65 patients, an end-to-end arch anastomosis was performed with cerebral and myocardial perfusion through the innominate or the ascending arterial cannula (non-working beating heart: NWBH).

Repair of a dysplastic tricuspid valve using artificial chordae: case report.

Atrioventricular valve repair with artificial chordal replacement has been widely used for congenital and acquired mitral valve abnormalities, but not for tricuspid valve abnormalities. A case is presented of dysplastic tricuspid valve that was successfully repaired using artificial chordae. A 2-year-old female presented with poor weight gain.

Mid-term results of open aortic valvotomy for infants with critical aortic stenosis: seven-year experience including delayed Ross strategy.

Objectives: The purpose of this study is to provide short- and mid-term results of open aortic valvotomy (OAV) for patients with critical aortic stenosis (AS).

Methods: Between December 1993 and June 1996, 6 patients with critical AS underwent an OAV in our unit. Their ages and body weights at operation ranged from 1 to 65 days (median age, 9 days) and from 2.