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1.
AKIRA MATSUI YOICHI ARAKAWA TAKAYUKI MOMOYA NOBUHIKO SASAKI SEIJI KAWASAKI KOICHI TANAKA 《Pediatrics international》1996,38(6):699-701
Two infants with biliary atresia who exhibited three-fold increased trough levels of tacrolimus and required reduced doses during episodes of acute infantile diarrhea within 5 months of liver transplantation are described. The cause of the increase was not explained simply by hemoconcentration as a result of significant loss of extracellular fluid during these episodes. It does highlight an important issue: that of the continuing need to carefully monitor the trough levels of tacrolimus in such infants. 相似文献
2.
TADASHI OHKUBO TAKAKO OSANAI KAZUNOBU SUGAWARA MASAYUKI ISHIDA KOICHI OTANI KAZUO MIHARA NORIO YASUI 《The Journal of pharmacy and pharmacology》1995,47(4):340-344
A high-performance liquid chromatographic (HPLC) assay was developed for the determination of trazodone and its metabolite, 1-m-chlorophenylpiperazine (m-CPP), in plasma. The high level of trazodone in plasma was detected by ultraviolet absorbance at 254 nm and the low level of m-CPP in plasma was detected by coulometric electrochemical detection at 840 mV on the series arrangement of two detectors. Pilsicainide as an internal standard for both compounds was monitored by both detectors. Trazodone and m-CPP in plasma were extracted by a rapid and simple procedure based on CN bonded-phase extraction, and C8 reversed-phase HPLC separation. Determination was possible for trazodone in the concentration range 100–2000 ng mL?1 and for m-CPP in the concentration range 5–100 ng mL?1. The recoveries of trazodone and m-CPP added to plasma were 81·0–84·2 and 68·0–73·2%, respectively, with coefficients of variation of less than 7·3 and 8·2%, respectively. The method is applicable to high level monitoring of trazodone and low level monitoring of m-CPP in plasma of healthy volunteers and patients treated with trazodone. 相似文献
3.
KIKUCHI YOSHIHIRO; OOMORI KEIBUN; KIZAWA ISAO; KATO KOICHI 《Japanese journal of clinical oncology》1985,15(2):377-383
The effect of cimetidine on the natural killer (NK) activityof peripheral blood lymphocytes (PBL) of 32 patients with ovariancarcinoma was studied before and after surgery or chemotherapy.There was no significant difference in the NK activity betweennormal healthy women and patients who had been disease-freefor more than a year after initial surgery, while those in patientswith a large residual tumor after surgery were profoundly suppressed.Cimetidine stimulated the NK activity in the disease-free patientsin vivo or in Vitro. In addition, cimetidine augmented the responseto phytohemagglutinin of PBL from the disease-free patients.The NK activity of PBL of patients with a large residual tumorunder chemotherapy consisting of cisplatinum, adriamycin andcyclophosphamide, "CAP," was about half of that before initiationof chemotherapy. The inhibition of the NK activity by chemotherapywas abrogated by in vitro exposure of the PBL to cimetidine. 相似文献
4.
KOICHI TOKUDA MASAO YOSHINAGA JUN-ICHIRO NISHI NAOMI TAKAMATSU NAOAKI IKARIMOTO YUKIHISA MATSUDA NAOHISA IMAKYUREI KOICHI OKUBO SHIN-ICHI NAKAZONO KOICHIRO MIYATA 《Pediatrics international》1997,39(3):385-389
Pyogenic sacro-iliitis (PS) is a rare disease in childhood. Three cases of PS are reported that were difficult to diagnose. Scintigraphy and magnetic resonance imaging (MRI) were useful for diagnosis. One patient suffered from an episode of relapse. Seventeen other cases of PS were reviewed in the literature to investigate the incidence of abnormal imaging findings and various factors in disease relapse. It was found that the incidence of abnormal findings by scintigraphy was significantly higher than that by computed tomography (P = 0.0057). The duration of intravenous antibiotic administration of the relapse group (14.7 ± 4.7 days) was significantly shorter than that of the non-relapse group (24.3 ± 10.7 days; P = 0.0376). The statistical analysis suggested that intravenous antibiotic administration is necessary at least for 20 days to prevent a relapse of PS. 相似文献
5.
MASAHIKO KAWAI TOHRU YORIFUJI CHUTARO YAMANAKA AYA MIYAZAKI HARUO HATTORI SHINJI UEMOTO YUKIHIRO INOMATA KOICHI TANAKA KENSH FURUSHO 《Pediatrics international》1998,40(1):96-98
A female infant with hypoproteinemia and coagulopathy associated with hypertyrosinemia was successfully treated with living-related liver transplantation (LRLT). On the 12th day of life plasma amino acid analysis revealed a marked elevation of tyrosine, so the patient was fed on a low-tyrosine and low-phenylalanine diet. However, hepatosplenomegaly. hypotonia, alopecia, eczema and psychomotor delay did not improve and recurrent episodes of disseminated intravascular coagulation (DIC) caused her condition to deteriorate. Liver biopsy on the 230th day revealed marked fatty change accompanied by mild to moderate cholestasis. Therefore. LRLT from her father was performed on the 286th day resulting in improvement of all the aforementioned signs and symptoms. Despite a thorough examination, no diagnosis of a known disorder could be established. However, her elder brother had also been born with severe hypoproteinemia and coagulopathy, and died of DIC on the second day of life. Thus, the disorder is designated as a new entity, namely ‘congenital hypoproteinemia and coagulopathy associated with hypertyrosinemia’. 相似文献
6.
Time‐Dependent Changes in QT Dynamics after Initiation and Termination of Paroxysmal Atrial Fibrillation
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8.
Urine Growth Hormone Determinations Compared with Other Methods in the Assessment of Growth Hormone Secretion 总被引:2,自引:0,他引:2
AKIMASA OKUNO KOICHI YANO YOSHIYA ITOH SEIICHI HASHIDA EIJI ISHIKAWA ZEN-ICHI MOHRI YOSHIAKI MURAKAMI 《Acta paediatrica (Oslo, Norway : 1992)》1987,76(S337):74-81
Okuno, A., Yano, K., Itoh, Y., Hashida, S., Ishikawa, E., Mohri, Z-I. and Murakami, M. (Department of Paediatrics, Asahikawa Medical College, Hokkaido; Medical College of Miyazaki, Kiyotake, Miyazaki; and Research and Development Division, Sumitomo Pharmaceuticals Co Ltd, Hyogo, Japan). Urine growth hormone determinations compared with other methods in the assessment of growth hormone secretion. Acta Paediatr Scand [Suppl] 337:74, 1987.
Urinary excretion of hGH was studied in children with short stature using a sensitive sandwich enzyme immunoassay technique. Urinary hGH excretion, in terms of hGH: creatinine ratio, showed excellent correlation with the mean and peak hGH values during physiological and pharmacological tests. It seems that the urinary hGH levels reflect serum hGH profiles during the urine collection period. A border zone for the lower limits of normal hGH levels in the urine was 7.5–13.4 ng/g creatinine for the physiological test at night (from 2000 hours to 0600 hours) and 17.4–35.0 ng/g creatinine for the pharmacological tests. Assessment of hGH secretory status by the urinary hGH levels showed good agreement with the serum hGH response. Measurement of urinary hGH could be used as a diagnostic test for impaired hGH secretion, and the multiple blood drawing required in physiological and pharmacological tests might be replaced by urine sampling. 相似文献
Urinary excretion of hGH was studied in children with short stature using a sensitive sandwich enzyme immunoassay technique. Urinary hGH excretion, in terms of hGH: creatinine ratio, showed excellent correlation with the mean and peak hGH values during physiological and pharmacological tests. It seems that the urinary hGH levels reflect serum hGH profiles during the urine collection period. A border zone for the lower limits of normal hGH levels in the urine was 7.5–13.4 ng/g creatinine for the physiological test at night (from 2000 hours to 0600 hours) and 17.4–35.0 ng/g creatinine for the pharmacological tests. Assessment of hGH secretory status by the urinary hGH levels showed good agreement with the serum hGH response. Measurement of urinary hGH could be used as a diagnostic test for impaired hGH secretion, and the multiple blood drawing required in physiological and pharmacological tests might be replaced by urine sampling. 相似文献
9.
YOSHIHIRO SHIBATA KAZUFUMI OKAMOTO TOSHIHIDE SATO ICHIRO KUKITA KOICHI KIKUTA 《Pediatrics international》1996,38(2):143-146
Attention is becoming increasingly focused on inhalation of nitric oxide (NO) as a selective pulmonary vasodilator. Its metabolite nitrogen dioxide (NO2), however, is a toxic molecule. The purpose of the present study was to evaluate the safety of a NO inhalation system using a conventional infant respirator from the viewpoint of NO2 production. The NO inhalation system consisted of a standard neonatal ventilator, a neonatal circuit and a test lung. The NO concentration was increased from 0 up to 19 ppm. At each level of NO, the oxygen (O2) concentration was changed from 21 to 100%. The NO and NO2 concentrations were measured with a chemiluminescence analyzer using a molybdenum converter. The NO2 concentration was increased when either the O2 or the NO concentration was increased. The maximum concentration of NO2 was 0.10 ± 0.02 ppm when the concentrations of NO and O2 were 19 ppm and 100% respectively. The NO inhalation system, using a conventional infant respirator, can be used safely when monitoring NO and NO2 concentrations. 相似文献
10.
Ureteral obstruction due to retroperitoneal fibrosis secondary to a solitary internal iliac aneurysm
KAORI MINETA MASAYOSHI NOMURA NAOHIRO FUJIMOTO KOICHI TAKAHASHI TETSURO MATSUMOTO 《International journal of urology》2004,11(11):1024-1027
We report a case of ureteral obstruction due to retroperitoneal fibrosis secondary to a solitary left internal iliac aneurysm. It has been reported that as a cause of ureteral obstruction, an internal iliac aneurysm without aortic and/or common iliac aneurysms is very rare. In the present case, magnetic resonance imaging was a useful modality to diagnose retroperitoneal fibrosis secondary to an internal iliac aneurysm as a direct cause of ureteral obstruction. 相似文献