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排序方式: 共有123条查询结果,搜索用时 203 毫秒
1.
Y Katayama T Umekawa Y Ishikawa M Kodama M Takada Y Katoh K Kataoka K Kohri M Iguchi T Kurita 《Nihon Hinyōkika Gakkai zasshi. The japanese journal of urology》1990,81(1):89-95
Bone mineral contents of calcium urolithiasis patients (105 males and 52 females) were measured by the microdensitometry (MD) method, and the patients were divided into the MD normal group and the MD abnormal group. The patients were also divided into the group (21 males and 3 females) treated with thiazides for 1 year or more and the nontreated group to examine various factors in blood and urine. [Nontreated group] The rate of MD abnormality was higher in younger males. The rate tended to increase with age in females. Alkaline phosphatase values were significantly higher in MD abnormal group males than in MD normal group males. Urinary calcium excretion and PTH values were significantly higher in MD abnormal group females than in MD normal group females. Comparison of hypercalciuria and normocalciuria revealed no significant difference between the MD normal rate and the MD abnormal rate. Comparison of single of stone formers and recurrent stone formers also revealed no significant difference between the MD normal rate and the MD abnormal rate. [Treated group] PTH and alkaline phosphatase values were significantly higher in the treated group than in the nontreated group. Alkaline phosphatase values were significantly higher in the MD abnormal group. From the viewpoint of stone recurrence prevention, the monitoring of bones where the majority of calcium in the body is present is considered important besides behavior of calcium in blood and urine. 相似文献
2.
K. Kohri T. Umekawa Y. Ishikawa Y. Katayama M. Kodama M. Takada Y. Katoh K. Kataoka M. Iguchi T. Kurita 《International urology and nephrology》1990,22(1):13-23
Factors relating alterations in plasma and urine composition to recurrence of urinary stones during drug therapy were investigated
by using a multiple regression analysis technique. These factors were influenced not only by the efficacy of the drugs but
also by other factors (plasma or urinary constituents and overall health of the patients, etc.). In order to study the effect
of drug therapy or other treatment on the alteration of plasma and urine constituents, multiple regression analysis is more
appropriate than Student's pairedt-test which has been used by some workers. These two analytical methods yield different results even if used on the same data. 相似文献
3.
Yoshioka K Yoshida T Takakura Y Umekawa T Kogure A Toda H Yoshikawa T 《Metabolism: clinical and experimental》2005,54(4):488-491
To clarify whether polymorphisms G1704T and G82S of the RAGE gene were related to microalbuminuria, we performed a case-control study in Japanese type 2 diabetic patients. Polymorphisms G1704T and G82S of the RAGE gene were examined with genomic DNA obtained from 116 type 2 diabetic patients with microalbuminuria (urinary albumin/creatinine ratio between 30 and 300 mg/g of creatinine) (microalbuminuria group), and 232 patients with normoalbuminuria (urinary albumin/creatinine ratio <30 mg/g of creatinine) (normoalbuminuria group). The genotype distribution and T allele frequency of G1704T (9.9%) and S allele frequency of G82S (14.2%) in the microalbuminuria group did not significantly differ from those (T allele frequency, 8.4%; S allele frequency, 12.3%) in the normoalbuminuria group. There were no differences among the genotypes of G1704T and G82S of the RAGE gene regarding age, duration of diabetes, body mass index, glycosylated hemoglobin (HbA1c), blood pressure, and serum lipid levels. These data suggest that G1704T and G82S polymorphisms of the RAGE gene are not related to microalbuminuria in Japanese type 2 diabetic patients. 相似文献
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Matsumura Y Kuro T Kobayashi Y Umekawa K Ohashi N Takaoka M 《Japanese journal of pharmacology》2000,84(1):16-24
Effects of SM-19712 (4-chloro-N-[[(4-cyano-3-methyl- 1-1-phenyl- 1H-pyrazol-5-yl)amino]carbonyl] benzenesulfonamide, monosodium salt), a novel endothelin converting enzyme (ECE) inhibitor, on ischemic acute renal failure (ARF) in rats were examined in comparison with those of phosphoramidon, a conventional ECE inhibitor. ARF was induced by occlusion of the left renal artery and vein for 45 min followed by reperfusion, 2 weeks after contralateral nephrectomy. Renal function in ARF rats markedly decreased at 24 h after reperfusion. Intravenous bolus injection of SM-19712 (3, 10, 30 mg/kg) prior to the occlusion attenuated dose-dependently the ischemia/reperfusion-induced renal dysfunction. Histopathological examination of the kidney of ARF rats revealed severe renal damages such as tubular necrosis, proteinaceous casts in tubuli and medullary congestion, all of which were dose-dependently attenuated by SM-19712. Protective effects of phosphoramidon (10 mg/kg) on ARF-induced functional and tissue damages were less potent than that of the same dose of SM-19712. Endothelin-1 (ET-1) content in the kidney after the ischemia/reperfusion was significantly increased, being the maximum level at 6 h after reperfusion, and this elevation was completely suppressed by the higher dose of SM-19712. Our findings support the view that renal ET-1 plays an important role in the development of ischemia/reperfusion-induced renal injury. SM-19712 may be useful in the treatment of ischemic ARF. 相似文献
7.
K Kataoka T Umekawa Y Katayama Y Ishikawa M Kodama C Takamura M Takada Y Kato K Hohri M Iguchi 《Nihon Hinyōkika Gakkai zasshi. The japanese journal of urology》1991,82(5):799-803
Because human urine contains various substances which can affect each other, it is quite difficult to clarify the mechanism of formation of calcium oxalate (CaOx) crystal in urine. The authors recently determined CaOx crystalline content and the concentrations of other substances in urine specimens from patients with urolithiasis and healthy volunteers, and subjected the data to multi-regressive analysis for the purpose of assessing the effect of these urinary substances on CaOx crystal formation. 1. In analysis of urine from patients with urolithiasis, the partial correlation coefficients of CaOx crystal formation with oxalic acid, sodium, calcium, uric acid magnesium were 0.67, 0.28, 0.18, and -0.10, respectively. The formula of regression was as follows: Amount of CaOx crystal (X 10(6) microns3/ml) = 3.59 X 10(-2) Ox (mM/L) + 4.72 X 10(-3) Ca (mM/L) + 4.52 X 10(-3) Na (mM/L) + 2.51 X 10(-4) UA (mM/L) -2.39 X 10(-2) Mg (mM/L) -1.65. The multiple correlation coefficient was 0.759. Thus, in patients with urolithiasis, urinary crystal formation was most dependent on the oxalic acid level, sodium, calcium, and uric acid were found to promote crystal formation, while magnesium to suppress it. 2. In analysis of urine from healthy volunteers, the partial correlation coefficients of CaOx crystal formation with oxalic acid and inorganic phosphorus were 0.51 and -0.24, respectively. The formula of regression was as follows: Amount of CaOx crystal (X 10(6) microns3/ml) = 1.91 X 10(-2) Ox (mM/L) -3.43 X 10(-4) P (mM/L) +0.29 The multiple correlation coefficient was 0.525.(ABSTRACT TRUNCATED AT 250 WORDS) 相似文献
8.
T Umekawa K Kohri M Iguchi T Kurita 《Nihon Hinyōkika Gakkai zasshi. The japanese journal of urology》1991,82(11):1776-1780
Renal damages after ESWL treatment were examined by Gd-DTPA enhanced dynamic MRI. Gd-DTPA was used as the contrast medium and fast magnetic resonance imaging with suspended respiration using the flip angle of 20 degrees and gradient echo technique at 0.5 Tesla was used for photographing. In normal kidneys, a low intensity band was observed with the passage of Gd-DTPA through the kidney from 1 to 2 minutes after the injection. In patients who underwent ESWL treatment, however, the low intensity band which was observed before ESWL treatment became partly obscure after ESWL treatment. Furthermore, these find changes in the renal parenchyma could not be fully detected by usual MRI which does not use Gd-DTPA. Gd-DTPA enhanced dynamic MRI was considered to be effective for finding the limited dose of shock waves for ESWL treatment. 相似文献
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Masakazu Kurita MD ; Shigeru Ichioka MD ; Yukari Tanaka MS ; Kouhei Umekawa MS ; Yoshio Oshima MD ; Norihiko Ohura MD ; Mikio Kinoshita MD ; Kiyonori Harii MD 《Wound repair and regeneration》2009,17(3):312-317
In the treatment of pressure ulcers, assessment of systemic problems is an important yet difficult step in selecting either conservative or surgical therapeutic intervention. The surgical auditing system called the Physiological and Operative Severity Score for enUmeration of Mortality and Morbidity (POSSUM) and its orthopedic version (O-POSSUM), which gives a predictive mortality rate for the first 30 postoperative days, may be useful for assessing systemic status, but have yet to be sufficiently validated for patients with pressure ulcers. To assess the validity of POSSUM and O-POSSUM, 71 procedures on 50 cases were retrospectively statistically analyzed using receiver operating characteristic curves and goodness-of-fitness testing with the Hosmer–Lemeshow χ2 test for logistic regression modeling. POSSUM and O-POSSUM showed satisfactory discriminatory power in receiver operating curve analysis. The validity of the values obtained by POSSUM and O-POSSUM was also confirmed. O-POSSUM was superior to POSSUM in both analyses. O-POSSUM is useful in assessing the systemic status of patients with pressure ulcers. Some patients with pressure ulcers show extreme systemic conditions. Assessment of systemic status with O-POSSUM contributes to daily clinical practice and future studies of treatments for pressure ulcers. 相似文献