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Hypodontia of permanent teeth was evaluated from orthopantomograms of 2072 apparently healthy pediatric patients at The Hospital of Nihon University School of Dentistry at Matsudo. The prevalence of congenitally missing teeth (CMT) was 8.7% in boys and 10.8% in girls, and 9.4% for both sexes combined. Most cases (67.8%) involved either one or two missing(More)
Stochastic resonance, in which noise enhances the response of a nonlinear system to a weak signal, has been observed in various biological sensory systems. We speculated that bone formation in response to mechanical loading could be enhanced by adding noise (vibration) to a standard exercise regimen. To test this hypothesis, three different loading regimens(More)
Renovascular hypertension occasionally manifests clinically as electrolyte disorders and albuminuria in addition to elevated blood pressure. A 49-year-old man who had renovascular hypertension also had severe hypokalemia, hyponatremia, polyuria and polydipsia that were treated by an angiotensin-converting enzyme inhibitor and resection of an atrophic kidney(More)
We examined the proliferation capacity and neuronal differentiation potency of canine bone marrow stromal cells (BMSCs). In addition, the microstructures of neuron-like cells after neuronal differentiation were observed under a scanning electron microscope. Canine BMSCs grew to confluency at 10.0 ± 2.5 days, and 3.8 ± 2.1 × 10(6) BMSCs were collected in one(More)
Seroprevalence of Bartonella henselae, Toxoplasma gondii, feline immunodeficiency virus (FIV) and feline leukemia virus (FeLV) infections was investigated in 1,447 domestic cats derived from the north (Hokkaido) to the south (Okinawa) prefectures in Japan. Of the cats investigated, 8.8% (128/1,447) were seropositive to B. henselae, 5.4% (78/1,447) to T.(More)
Mechanical loading of the skeleton is necessary to maintain bone structure and strength. Large amplitude strains associated with vigorous activity typically result in the greatest osteogenic response; however, data suggest that low-amplitude, broad-frequency vibration results in new bone formation and may enhance adaptation through a stochastic resonance(More)
OBJECTIVE Coronary artery bypass grafting (CABG) with cardiopulmonary bypass (CPB) is associated with a systemic inflammatory response. This is mainly attributed to cytokine release caused by CPB and global myocardial ischemia. Coronary artery bypass grafting without cardiopulmonary bypass (off-pump CABG, OPCAB) is now accepted as a less invasive technique(More)
This study aimed to analyze the clinical course, timing of rupture and relationship with percutaneous coronary intervention (PCI) in patients with cardiac free wall rupture (FWR) following acute myocardial infarction (AMI). FWR was observed in 77 (2.3%) of 3, 284 patients with AMI in our CCU over 28 years. 47 (61.0%) cases were male and mean of age was 69.8(More)
This study was designed to clarify the clinical significance of and indications for performing preoperative internal thoracic artery (ITA) angiography in patients undergoing coronary artery bypass surgery. A total of 300 possible candidates for coronary artery bypass grafting (CABG) underwent ITA angiography during diagnostic catheterization. Semi-selective(More)
Off-pump coronary artery bypass grafting (OPCAB) has become a more applicable procedure, even in patients with multi-vessel disease. However, the role of OPCAB for patients with acute coronary syndrome (ACS) requiring emergency revascularization has not been established yet. We reviewed our results of emergency coronary artery bypass grafting (CABG) for(More)