Junjiro Kobayashi

..For new-generation pericardial stentless valves, follow-up over 15 years is necessary to compare the excellent results of stented valves such as the Carpentier-Edwards Perimount and Hancock II valves...

..We evaluated risk factors for mortality and stroke after mechanical mitral valve replacement between May 1977 and December 2001...

..1% (P<0.0001). In sequential RAG, severity of stenosis in the most distal target had the significant impact on prevention of competitive flow and long-term patency to all targets...

..We sought to determine the impact of preoperative or postoperative atrial fibrillation on survival, stroke, and cardiac function after mitral valvuloplasty for mitral regurgitation...

..We reviewed our clinical experiences with cardiovascular homografts harvested and preserved at our institutional tissue banks...

..The long-term outcomes of combined mitral repair and maze procedure for patients with nonrheumatic mitral regurgitation and chronic atrial fibrillation were evaluated...

..Postoperative ultrasonic cardiography revealed preservation of left ventricular function with no perivalvular leakage...

..We assessed the clinical outcome and conducted an angiographic study of total arterial off-pump coronary artery bypass grafting for revascularization of the total coronary system...

..We investigated whether age at Fontan completion affects subsequent hemodynamics and exercise capacity in patients with a dominant left ventricle followed up for more than 5 years...

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..0001; risk ratio 55). CONCLUSIONS: Late dilatation of the ascending aorta after aortic valve replacement is a clinically important finding. Active inflammation could be related to valve or graft detachment...

..We sought to delineate the effect of strategy for graft arrangement and design to three-vessel disease by evaluation of the dominant flow direction in each segment of a bypass graft...

..In the present study, we examined the impact of the patent SV graft to the left coronary artery on the long-term patency of the ITA to left anterior descending (LAD) artery bypass...

..We have since 2002 gradually elevated the temperature of HCA from 20 degrees C to 28 degrees C for aortic arch surgery. This study explored the impact of different temperatures during HCA with SCP on neurologic complications...

..CONCLUSION: The rationale for OPCAB for dialysis patients has been established. Total arterial revascularization without aortic clamping is applicable for dialysis patients who require multivessel bypass grafts...

..In addition, these randomized studies were composed of CABG with a few arterial grafts. We performed a prospective randomized controlled study to compare off-pump and on-pump CABG with multiple arterial grafts...

..We present a case of successful surgical repair for infected mitral valve and left ventricular pseudoaneurysm, which can be fatal complications of mitral annular calcification...

..We report our clinical results of cryomaze procedure obtained in over 10-years' experience...

..MVP should not be performed in patients with rheumatic disease because of higher incidence of late failure...

..Off-pump total arterial revascularization is a safe and less invasive procedure at the time of redo operation, even for patients with Kawasaki disease...

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..The aim of this study was to investigate the surgical outcomes and change in cardiac performance after total cavopulmonary connection (TCPC) in patients with reduced ventricular ejection preoperatively...

..We sought to delineate the effects of competitive and reverse flow on the intermediate-term patency of arterial conduits and examined graft arrangements for maximizing antegrade bypass flow...

..The long-term outcome of pediatric coronary artery bypass for patients with severe inflammatory coronary sequelae secondary to Kawasaki disease is unknown...

..03). CONCLUSION: The combined maze procedure and valve replacement is safe and effective in selected patients. Restoration of regular rhythm significantly reduced the incidence of late stroke...

..3% in OPCAB), saphenous vein graft patency was slightly lower in both groups (93.4% in CCAB and 76.5% in OPCAB) compared with arterial grafts. CONCLUSION: OPCAB allows a safe and effective treatment of LMT disease...

..006). CONCLUSION: These results demonstrate the early adaptation of the LITA as a blood source of the Y-composite RA graft in OPCAB and the rationale for using the LITA as a single blood source for total coronary artery revascularization...

..The results of coronary artery bypass grafting using the internal thoracic artery (ITA) had been reported less satisfactory in patients < 12 years old with coronary artery lesions caused by Kawasaki disease...

..1% and 95.8% vs. end-to-side 96.3% and 86.3%) in group S. CONCLUSIONS: OPCAB to small coronary artery branches with arterial grafts provided satisfactory graft patency and stenosis free rates...

..To establish the optimal graft design, we examined detailed characteristics of the arterial composite and sequential grafts, and sought to delineate the risk factors of graft occlusion due to insufficient bypass flow...

..CM is a reliable and less invasive surgical option for the AF associated with mitral valve disease...

..The details of this anatomical correction are described with a review of the literature...

..Surgery revealed that the aortic valve was a tricuspitalized quadricuspid aortic valve with an accessory cusp between the right coronary cusp and left coronary cusp...

..We sought to investigate the incidence and risk of embolism after percutaneous balloon mitral commissurotomy (PMC) and delineated the necessity of the maze procedure in patients with atrial fibrillation (AF)...

..Entrapment of the IVUS catheter is potentially lethal. We report a case of successful emergent surgical removal of an entrapped catheter within the sirolimus-eluting stent and coronary revascularization...

..Reopening of graft lumen had been also reported, but details remain unknown. We sought to delineate the effect of management of the moderately stenotic targets on the occurrence of competitive flow and clinical results...

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..We aimed to investigate whether the off-pump Fontan procedure could ameliorate the volume and duration of pleural and peritoneal effusion...

..However, angiography 7 months after the operation revealed complete obstruction of the SV graft when he was admitted because of recurrent anginal pain...

..To evaluate the occurrence of pulmonary arteriovenous malformations after a Fontan operation in the left isomerism and absent inferior vena cava...

..This is a report of a 35-year-old woman with Scheie's syndrome who underwent double-valve replacement with intensive perioperative management...

..1%) in group E and in 24 patients (5.6%) in group Y (p > 0.99). CONCLUSIONS: Off-pump coronary artery bypass grafting using only arterial grafts in elderly patients is as safe and feasible as in young patients...

..Systemic hyperkalemia and mild hypothermia for valve surgery in patients with a patent IMA graft is a good option to reduce graft and myocardial injuries...

..Late postoperative follow-up of the flow competition is necessary to delineate the significance of flow competition...

..The purpose of this study was to investigate the preoperative risk factors of performing off-pump coronary artery bypass grafting (OPCAB) in patients on chronic dialysis...

..4% of patients showed an increase or less than 5% decrease in LVEF during this period. CONCLUSION: Combined MV surgery with CABG for IMR should be considered in patients with poor LVEF or without prior inferior MI...

..To prevent spinal cord injury (SCI) which is rare but significant complication of AAA surgery, understanding of the spinal blood supply, quick surgery, and complete revascularization of pelvic arteries are important...

..The LA should be explored if a coronary-LA fistula is noted, even in non-mitral cases, especially those with a history of catheter ablation...

..Our institution (National Cerebral and Cardiovascular Center, Osaka, Japan) has sent a transplant cardiologist upon the organ procurement for evaluating a donor heart ever since our first case of heart transplantation...

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..We achieved stable hemodynamics following surgical hemostatic maneuvers and avoided the postoperative multiple organ failure by using a cardiopulmonary support system...

..The number of octogenarians, however, is steadily increasing. The aim of this study is to analyze the outcome of aortic arch surgery in octogenarians...

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..We evaluated the initial experience with this method by clinical and angiographic study...

..We retrospectively evaluated the impact of ECLS on the survival of patients with cardiogenic shock to determine the validity of using ECLS in elderly patients (> or = 75 years of age)...

..The objective of the present study is to determine whether this feature remains as a risk factor in the era of the staged Fontan completion and poses functional impediments in the longer terms...

..We sought to delineate the safety and efficacy of sequential and composite coronary artery bypass grafting (CABG) with exclusively arterial grafts to more than five coronary branches including small coronary vessels...

..Transcatheter embolization was successfully performed for these residual fistulas...

..Postoperative sinus rhythm conversion by the maze procedure may reduce left ventricular size, and the incidence of thromboembolic episodes in mitral valve repair...

..Surgical outcomes of aortic repair in patients with LDS are poorly known...

..In the field of cardiovacular surgery, the treatment is so risky and so expensive, that more detailed analysis should be necessary by establishment of data base system...

..We subjected the patient to surgical repair of the mitral valve combined with the maze procedure, which proved successful...

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..Incomplete revascularization caused cardiac events more frequently than complete revascularization both in OPCAB and on-pump CABG in the intermediate follow-up...

..To help optimize graft arrangement, we examined the effects of target vessel characteristics, conduit type, and interactions between the target vessels on the occurrence of flow reversal or occlusion...

..This capacity was assessed by measuring cardiopulmonary factors during cardiopulmonary exercise testing at the maximal level of exercise and a 6-minute walk test at the submaximal level. Their survival rate was also determined...

..The drive-line exit site became infected in one patient and thinning of the left ventricular wall due to an unknown cause occurred in one patient...

..We sought to assess the impact of diabetic retinopathy on long-term outcome among patients with diabetes and multivessel coronary artery disease (MVD) following coronary artery bypass graft surgery (CABG)...

..OPCAB is becoming the standard CABG in Japan...

..There was no significant difference in graft patency between the groups (95.6% vs 94.9%). OPCAB reduced the mortality and morbidity of coronary revascularization, with a shorter operating time and more rapid recovery from surgery...

..In the present study, we report the initial results of an "aorta no-touch " technique using an in-situ graft and composite and sequential grafting methods...

..We sought to demonstrate the electrophysiologic (EP) mechanism of the ST-T change in Brugada syndrome...

..OPCAB with multiple arterial grafts has become the standard CABG in Japan...

..We sought to determine whether the Cox maze procedure provides additional benefit to patients with atrial fibrillation undergoing mitral valve operations...

..The maze procedure and complete excision of the anomalous septum proved to be effective surgical treatment for atrial fibrillation with cor triatriatum...

..The SuMit valve is designed to be placed in a supraannular position, and is useful to prevent valves from getting stuck...

..We present herein a huge primary sarcoma in the abdominal aorta, which has been reported as extremely rare...

..We herein report a useful approach to repair the sinus venosus atrial septal defect with PAPVC of the right pulmonary veins to the superior cavoatrial junction in patients also requiring mitral valve replacement and the maze procedure...

..An aortic homograft valve is the conduit of choice in cases of infective endocarditis and the importance of a domestic homograft valve bank should be recognized...

..The purpose of this study was to evaluate the hemodynamic and echocardiographic function of hearts transplanted with the modified bicaval anastomosis technique (mBCAT)...

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..She was discharged from our center after a 6-week course of antibiotics and implantation of a new pacemaker...

..Clinical review of post-HTx outcome at NCVC can provide useful information for Japanese transplant cardiologists who will engage in HTx management...