Noriyoshi Ebuoka's research while affiliated with Osaka Medical Center and Research Institute for Maternal and Child Health and other places
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Publications (23)
Purpose:
The main aim of the current trial was to explore our hypothesis that cooling head wraps lower the core temperature more effectively than ice packs on the head during forced-air warming after pediatric cardiac surgeries.
Methods:
This study was a single-center Randomized Controlled Trial. Participants were children with a weight ≤ 10 kg...
We present a very rare case of pulmonary atresia and ventricular septal defect with staged definitive repair more than 40 years after palliative surgery. The patient, a 43-year-old male, had undergone a Waterston operation at the age of one and had been untreated since then. Two years ago, he underwent an urgent surgery for impending rupture of a h...
Heparin doses are typically maintained at 180‒200s as activated clotting time (ACT) to assess anticoagulant therapy for venous arterial extracorporeal membrane oxygenation (V-A ECMO) in children. However, it is challenging to control the proper heparin dose during V-A ECMO with ACT clinically, which could result in fatal hemorrhagic complications s...
Background
Patients with right isomerism have accompanying complex congenital heart disease, which is characterized by pulmonary atresia and total anomalous pulmonary venous return. Balanced regulation of the systemic and pulmonary circulation is essential for successful management, especially for cases complicated with necrotizing enterocolitis (N...
Background And Aim
Transcatheter device closure has become the first treatment option for atrial septal defects (ASD). Surgical ASD closure, although still implemented, is cosmetically inferior to transcatheter closure. This study aimed to evaluate the feasibility as well as short‐ and long‐term clinical outcomes of the right posterolateral minitho...
Recently, there have been some reports that cone reconstruction can be performed in the repair of Ebstein's anomaly with acceptable result on a child. On an adult with Ebstein's anomaly, optimal surgical indication and choice of the operative procedure are controversial. A man in his seventies was diagnosed with Ebstein's anomaly incidentally durin...
A single coronary artery with a single ostium from sinus 2 (2 R L Cx) is very rare and difficult to transfer. A 6-day-old male neonate was diagnosed with dextro-transposition of the great arteries with an intact ventricular septum at birth. Computed tomography revealed the presence of a single coronary artery with a single ostium from sinus 2 (2 R...
Absent pulmonary valve syndrome and double-outlet left ventricle are rare congenital anomalies, with, to the best of our knowledge, no cases reported to date. We present the treatment course in a patient with an absent pulmonary valve, double-outlet left ventricle, dextrocardia, hypoplastic right ventricle, valvular aortic stenosis, and bronchomala...
When reconstructing an interrupted aortic arch with an aberrant right subclavian artery, careful consideration must be made to protect regional cerebral flow. There are several approaches to cardiopulmonary bypass during aortic arch reconstruction. Here, we describe a case of a 3-month-old female with a type B interruption who underwent a right sub...
Re-Norwood operation is technically difficult to perform and is a high risk procedure due to the underlying hypocardiac function. Herein, we describe our successful re-Norwood operation approach in a 6-month old infant with persistent severe cyanosis and aortic re-coarctation. Our procedure was performed using femoral artery cannulation to protect...
Absent pulmonary valve syndrome and L-transposition of the great arteries are rare congenital anomalies. To our knowledge, patients with both have not been previously reported. We present a case of surgical success in the patient with absent pulmonary valve, L-transposition of the great arteries, dextrocardia, double outlet left ventricle, hypoplas...
Background
The high incidence of postoperative pulmonary venous obstruction (PVO) is a major mortality-associated concern in patients with right atrial isomerism and extracardiac total anomalous pulmonary venous connection (TAPVC). We evaluated new anatomical risk factors for reducing the space behind the heart after TAPVC repair.
Methods
Eighteen...
Background: The high incidence of postoperative pulmonary venous obstruction (PVO) is a major mortality-associated concern in patients with right atrial isomerism and extracardiac total anomalous pulmonary venous connection (TAPVC). We evaluated new anatomical risk factors for reducing the space behind the heart after TAPVC repair. Methods: 18 pati...
Persistent fifth aortic arch is a rare anomaly in congenital heart disease, which is often associated with aortic obstructive diseases. We report a 7-month-old infant diagnosed persistent fifth aortic arch (AA) with left ventricular dysfunction along with left bronchial malacia due to compression from own heart. Surgical repair was performed includ...
There are few reports of cone reconstruction for neonatal Epstein's anomaly. We report 14-day-old girl with symptomatic Ebstein's anomaly with prenatal diagnosis prenatally and who was born by caesarean section. Continuous infusion of prostaglandin was started immediately and she was transferred to our institution. The cardiothoracic ratio (CTR) wa...
Although several risk factors for postoperative atrial fibrillation (AF) have been proposed, it remains the most common complication after cardiac surgery, even in low-risk patients. There is still no single reliable and reproducible parameter for predicting AF, and no standardized recommendation exists for this issue. Electromechanical delay (exci...
A 61-year-old man presented with consistent hemolytic anemia 15 months after ascending and total arch replacement for DeBakey I type acute aortic dissection. The cause of hemolysis turned out to be mechanical damage of red blood cells at the inverted felt of the proximal anastomosis. Reoperation of resection of the felt and repair of the proximal a...
An 87-year-old man underwent aorto-bifemoral bypass using a bifurcated Bionit II knitted Dacron graft for high aortic occlusion in 1987 at another hospital. In November, 2004, he was admitted to our institution because of difficulty in walking due to swelling and tenderness in the right groin. Computed tomography (CT) scan indicated bilateral aneur...
Postoperative atrial fibrillation (Af) remains a significant source of morbidity after coronary artery bypass grafting (CABG). Prophylactic therapy with beta-adrenergic blockers or amiodarone hydrochloride is reported to reduce the incidence of Af. We studied the incidence of Af retrospectively and considered the risk factors for it. Ninety-three p...
Operative technique of acute type A aortic dissection remains controversial. We adopted the strategy to replace the aortic arch only when the entry of the dissection was found in the aortic arch, or atherosclerotic arch aneurysm existed. The purpose of the current study was to elucidate the feasibility of the ascending aorta and hemiarch replacemen...
We report a rare case of severe hemolytic anemia accompanied by moderate renal insufficiency after mitral valve repair. Although the degree of the residual mitral regurgitation was less than 1+ during the first three weeks after the operation, the maximum lactate dehydrogenase (LDH) was up to 7,430 U/l and the minimum hemoglobin was 4.9 g/dl. The m...
Citations
... In the case of severe stenosis, the lower limbs had decreased blood flow and pressure, resulting in a larger blood pressure gradient difference between the upper and lower extremities upon physical examination. Furthermore, the increased left ventricular afterload caused by PFAA stenosis contributed to the manifestation of congestive heart failure (16). ...
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... There was no significant association between time inter-val of P-A onset in conventional Doppler, P-A′ onset in TDI examination, P-A′ peak in TDI, P-wave duration in surface ECG", and right atrial area in echocardiography examination and occurrence of AF after CABGS. The value of LV electromechanical delay in patients with postoperative AF was examined in one study (16), it was concluded that Left-ventricular electromechanical delay is prolonged in patients with postoperative AF. In the study of Predictors of recurrence of AF after AFablation with cryoballoon, it was concluded that the incidence of AF increased by intra-left atrial electromechanical delay, PA-lateral, and higher age which confirmed the importance of substrate material in the mechanism of developing AF. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/369242332516352-1465045640248_Q64/Yasushige-Shingu.jpg)
... In patients with prosthetic heart valves, mechanical trauma to RBCs is the primary cause of hemolysis (2). Turbulence blood flow from the center or periphery of the prosthetic valve is the main mechanism of trauma caused by severe shearing forces to the RBC; therefore, any factor that increases the turbulence flow at the valve surface can increase the risk of hemolysis (3,4). ...
... [4][5][6][7] Previously fewer studies were conducted regarding adverse effects of electrolytes concentration after cardiac surgery. [8][9][10] One of the most important complications after cardiac surgery is postoperative cardiac arrhythmias as serum electrolytes are less frequently monitored. Thus in patients who received intravenous fluids (pharmacological agents) and isotonic saline, were monitored daily to prevent arrhythmias. ...
... Although conventional imaging modalities, such as computed tomography (CT), magnetic resonance imaging (MRI), and transesophageal echocardiography (TEE) have been used to diagnose aortic diseases, the ability to detect millimeter-sized plaques is limited because of the relatively poor spatial resolution [3,4]. Moreover, very few modalities can completely detect intimal injury or vulnerable plaques of the aorta in-vivo. ...
... Hemolytic anemia after open heart surgery is known to be caused mainly by perivalvular leakage [1]. Hemolytic anemia after central repair for acute aortic dissection has been attributed to outer compression of the graft, disturbance of blood flow at the site of obstruction, and a stenotic lumen within the graft. ...
