Tomonori Kawamura

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BACKGROUND The aim of this study was to analyze mortality and morbidity of patients undergoing total arch replacement. METHODS We analyzed data from 122 patients who underwent total arch replacement. Total arch replacement was performed using selective cerebral perfusion, with an open distal anastomosis using a trifurcated coated graft. Univariate and(More)
BACKGROUND This study aimed to assess the impact of aortic manipulation during off-pump coronary artery bypass (OPCAB) on neurological complications. METHODS AND RESULTS Of 336 isolated OPCAB surgeries, the aorta was untouched in 264 cases (group A), whereas it was manipulated by a side-biting clamp in 72 (group B). The average follow-up was 2.9±2.5(More)
A 32-year-old female patient with Marfan syndrome was admitted for repair of annuloaortic ectasia and severe pectus excavatum. Because the chest cage deformity was severe, concomitant reparative surgery of the chest wall was performed. Partial median sternotomy and left second-fifth rib division was made to obtain good surgical field. The patient underwent(More)
BACKGROUND Injectable, acellular biomaterials hold promise to limit left ventricular remodeling and heart failure precipitated by infarction through bulking or stiffening the infarct region. A material with tunable properties (eg, mechanics, degradation) that can be delivered percutaneously has not yet been demonstrated. Catheter-deliverable soft hydrogels(More)
OBJECTIVE N-terminal pro-B type natriuretic peptide (NT-pro-BNP) is one of the biomarkers, increased by myocardial ischemia or subsequent, burdened wall stress. The aim of this study was to assess if NT-pro-BNP can predict the incidence of atrial fibrillation (AF) after off-pump coronary artery bypass grafting (OPCAB). METHODS NT-pro-BNP was measured(More)
4-[(Trimethylstannyl)diphenylsilyl]butanoyl radical, arising from the corresponding 3-(stannylsilyl)propyl radical and CO, undergoes an SHi reaction at Si with extrusion of trimethyltin radical to give silacyclopentanone. The parent 3-(stannylsilyl)propyl radical was also found to isomerize to (3-stannylpropyl)silyl radical via a 1,4-Sn shift from Si to C(More)
OBJECTIVE The study objective was to quantify the effect of ring type, ring-annulus sizing, suture position, and surgeon on the forces required to tie down and constrain a mitral annuloplasty ring to a beating heart. METHODS Physio (Edwards Lifesciences, Irvine, Calif) or Profile 3D (Medtronic, Dublin, Ireland) annuloplasty rings were instrumented with(More)
A 36-year-old man was admitted to our hospital due to dyspnea and pneumonia. He had undergone left classical Blalock-Taussig shunt at 5 years old and right modified Blalock-Taussig shunt at 16 years old, because he was judged as no indication for any radical operation. Since the last surgery, he had stopped visiting hospital. Computed tomography showed(More)
BACKGROUND The aim of this study was to assess the impact of preexisting ischemia detected by brain magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) on long-term survival, and cardiac and neurologic events after coronary artery bypass grafting (CABG). METHODS Of 923 patients who underwent CABG between 1994 and 2007, 887 patients(More)