8 Result(s)
within
Hiroaki Sakamoto
Medicine & Public Health
Cardiac Surgery
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Article
Aortic valve area index values of Trifecta implants correlate with energy loss and increased valve stress
Biological valves are becoming more frequently used in aortic valve replacement. While several reports have evaluated the performance of biological valves, echocardiography studies during exercise stress remai...
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Article
Twisting of HeartMate II outflow graft 2.5 years after implantation–HM2 is still ongoing
A 47-year-old woman with dilated cardiomyopathy underwent HeartMate II (HM2) implantation as a bridge-to-transplantation. Her postoperative course was good. However, 2.5 years after surgery, the outflow graft ...
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Article
Total arch replacement with both frozen elephant trunk and transthoracic aorto-axillary extra-anatomical bypass through partial sternotomy for acute aortic dissection in a tracheostomy patient
Median sternotomy near an existing tracheostoma risks deep sternal wound infection after cardiac surgery. We present herein a case of acute type A aortic dissection in a patient with a permanent tracheostoma a...
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Article
Two cases of catastrophic deterioration and multiple leaflet detachment in Trifecta valves
Reports of early and catastrophic acute structural valve deterioration (SVD) in Trifecta valve (Abbott, St Paul, MN, USA) with multiple leaflet detachment are rare. We encountered two cases of early SVD in Tri...
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Article
The effect of roller head pump on platelet deterioration during the simulated extracorporeal circulation
Roller pum** results in hemolysis and adverse effects on coagulation, but there are few reports on the influence of roller heads on platelets. Here, we evaluate the interaction between roller pum** and pla...
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Article
Rolipram plus Sivelestat inhibits bone marrow-derived leukocytic lung recruitment after cardiopulmonary bypass in a primate model
Cardiopulmonary bypass (CPB) recovery is complicated by lung inflammation from bone marrow (BM)-derived polymorphonuclear leukocytes (PMNs) and monocytes (MO). Although Sivelestat reduces inflammatory mediator...
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Article
Open AccessPreservation of the infected thoracic aortic endograft with thoracoscopic drainage and continuous irrigation
The gold standard for aortic endograft infection includes the excision of infected endograft, debridement, and reconstruction. However, these methods are not always the best option for patients with poor clini...
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Article
Association between endothelial function and micro-vascular remodeling measured by synchrotron radiation pulmonary micro-angiography in pulmonary arterial hypertension
Pulmonary arterial hypertension (PAH) is a progressive disease which causes increased vascular resistance. In this study, our purpose was to quantify the micro-vascular remodeling in monocrotaline-induced PAH ...
