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1.
HIDEKI TASHIRO M.D. SAMON KOYANAGI M.D. AKIRA TAKESHITA M.D. 《Echocardiography (Mount Kisco, N.Y.)》1993,10(4):343-350
To elucidate the pathogenesis of mitral regurgitation (MR) after myocardial infarction (MI), the incidence of papillary muscle dysfunction (PMD), mitral annular size, and the extent of wall-motion abnormalities were examined in 81 patients with previous MI by two-dimensional echocardiography and real-time two-dimensional Doppler flow imaging. The prevalence of pathological MR was lower in patients with anterior MI (36%) than in those with inferior (65%) or anterior and inferior MI (88%) (P < 0.01 vs anterior MI group). The incidence of PMD in patients with MR in the anterior MI group (15%) was lower than that in the inferior (50%, P < 0.01) or anterior and inferior MI group (43%, P < 0.05). The mitral annular dimension in patients with MR was significantly greater than in those without MR, but it was similar among the three groups. The extent of wall-motion abnormality correlated significantly with the area of MR jet in the anterior MI group (y = 3.1x + 15.5, r = 0.52, P < 0.01) and in the inferior MI group (y = 8.3x + 32.7, r = 0.57, P < 0.01). However, the slope of this relationship was significantly steeper in the inferior MI group than in the anterior MI group (P < 0.05). These results indicated that the degree of MR with inferior MI was greater than with anterior MI for a given MI area. PMD may play an important role in the higher prevalence and greater degree of MR in inferior MI. 相似文献
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TAKUJI INAGAKI md TADAHIRO SHIKIMI phd HIROSHI ISHINO md HIDEKI OKUNISHI md SHUJI TAKAORI md 《Psychiatry and clinical neurosciences》1995,49(5-6):287-290
Abstract Relationships between urinary levels of α1-microglobulin (α1M) and ulinastatin (UT) in patients with dementia were investigated. There were no significant differences in α1M and UT levels and α1M: UT ratios among three groups: age-matched control subjects, patients with either Alzheimer-type senile dementia (ATD) or vascular dementia (VD). Although a positive correlation was established between α1M and UT levels in these groups, the regression of the demented patients differed significantly from that of controls ( P <0.05). A tendency towards a negative correlation between α1M: UT ratios and the levels of severity or duration of the disease was displayed in the ATD group, whereas a tendency toward a positive correlation between α1M: UT ratios and the levels of severity was observed in the VD group. These results suggest that changes in the relationships between urinary levels of α1M and UT may provide a useful biochemical index for diagnoses of ATD and VD. 相似文献
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MASASHI YOSHIDA GO WAKABAYASHI HIDEKI ISHIKAWA YOSHIHIDE OTANI MOTOHIDE SHIMAZU TETSURO KUBOTA KOICHIRO KUMAI IWAO KUROSE SOICHIRO MIURA HIROMASA ISHII MASAKI KITAJIMA 《Journal of gastroenterology and hepatology》1998,13(1):104-108
The effects of camostat mesilate, a synthetic serine protease inhibitor on gastric microcirculation and active oxygen species generated by leucocytes from the gastric and jugular veins in the early period after thermal injury were assessed. Male Wistar rats were anaesthetized and a 30% full skin-thickness dorsal burn was inflicted. Camostat mesilate (100 mg/kg) was dissolved in distilled water and administered orally to rats 40 min before thermal injury (the camostat group). The control animals (the vehicle group) were administered distilled water orally. Rolling leucocytes as well as Monastral blue B deposits in venules were observed using in vivo microscopy. Active oxygen species were measured by chemiluminescence. Camostat mesilate decreased the total length of gastric erosion, venular deposits of Monastral blue B, and rolling of leucocytes in venules, and relatively increased luminol-dependent chemiluminescence activity generated by zymosan-stimulated leucocytes 15 min after thermal injury. These results suggest that serine proteases are involved in the formation of gastric erosions and gastric microcirculatory disturbance in the early period after thermal injury. 相似文献
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TAKUYA MYOJO M.D. NOBUYUKI SATO M.D. Ph.D. MOTOKI MATSUKI M.D. OSAMU TANIGUCHI M.D. HIDEKI NAKAMURA M.D. Ph.D. NAOYUKI HASEBE M.D. Ph.D. 《Pacing and clinical electrophysiology : PACE》2012,35(1):e27-e30
We describe a case of a myocardial infarction, in which prominent ischemic J waves were documented during recurrent ventricular fibrillation attacks. The patient was referred to our hospital to treat an out‐of hospital cardiac arrest. Although the 12‐lead electrocardiogram obtained just after the first cardioversion did not show any apparent J waves, a J wave‐like steep downsloping type ST‐segment elevation associated with q waves in the inferior leads was documented during multiple episodes of ventricular fibrillation. Our report revealed the appearance of J waves as an important marker for lethal arrhythmias in acute ischemia. (PACE 2012; 35:e27–e30) 相似文献
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TSUTOMU TAKEYA YOSHITERU OHNO HIDEKI MATSUBARA KOHICHI YASUDA SUSUMU WATANABE RISHUN SHINZATO YOSHIHARU TANAKA SATOKO NODA 《Clinical otolaryngology》1979,4(3):197-205
In order to investigate the physiological changes produced by the treatment of acrophobic patients body movement and Microvibration were measured before and after treatment. Eighteen acrophobic patients were assigned at random to 1 of the 2 groups: a treatment group (n= 8) and a non-treatment group (n= 10). The control group consisted of 16 healthy volunteers. Body movement area while viewing a slide of a high place or imagining a high place in the treatment group decreased significantly after treatment. Body movement of the control group showed almost no changes, and that of the non-treatment group was situated between the above-mentioned 2 groups. Simple body movements of the acrophobic patients without any stimulation of height were bigger than those of the control subjects. MV pattern of the treatment group had a tendency to improve under psychotherapy. Acrophobic patients had more abnormal MV patterns than the normal subjects. 相似文献
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YOUICHI SATO HIDEKI OKETANI TOMOKO YAMADA KEN-ICHI SINGYOUCHI TETSUYA OHTSUBO MASARU KIHARA HIROFUMI SHIBATA TOMIHIKO HIGUTI 《The Journal of pharmacy and pharmacology》1997,49(10):1042-1044
This study was conducted to find constituents of an annual herb, Xanthium sibiricum Patr er Widd, with effective antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA). By monitoring antibacterial activity against MRSA strains, it was shown that a sesquiterpene lactone, identified as [3aR-(3aα,7β,8aβ)]-3,3a,4,7,8,8a-hexahydro-7-methyl-3-methylene-6-(3-oxo-1-butenyl)-2H-cyclohepta[b]furan-2-one, or xanthatin, isolated from leaves of the herb, had outstandingly potent activity against S. aureus species, including MRSA; its activity against MRSA and MSSA strains was similar. Other bacteria, e.g. Staphylococcus epidermidis, Klebsiella pneumoniae, Bacillus cereus, Pseudomonas aeruginosa and Salmonella typhi, were also susceptible at the concentrations tested but the compound had no inhibitory effect on some other bacteria, including Escherichia coli. The results show that xanthatin has outstandingly potent activity against strains of S. aureus but that the activity of the compound is highly species-specific. 相似文献