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1.
Five years experience of transrectal high-intensity focused ultrasound using the Sonablate device in the treatment of localized prostate cancer 总被引:3,自引:0,他引:3
TOYOAKI UCHIDA HIROSHI OHKUSA HIDEYUKI YAMASHITA SUNAO SHOJI YOSHIHIRO NAGATA TORU HYODO TAKEFUMI SATOH 《International journal of urology》2006,13(3):228-233
BACKGROUND: High-intensity focused ultrasound (HIFU) is a minimally invasive technique used in achieve coagulation necrosis. We evaluated biochemical disease-free survival rates, predictors of clinical outcome and morbidity in patients with localized prostate cancer treated with HIFU. METHODS: A total of 181 consecutive patients underwent HIFU with the use of Sonablate (Focus Surgery, Indianapolis, IN, USA). Biochemical recurrence was defined according to the criteria recommended by the American Society for Therapeutic Radiology and Oncology Consensus Panel. The median age and pretreatment prostate-specific antigen (PSA) level were 70 years (range 44-88) and 9.76 ng/mL (range 3.39-89.60). A total of 95 patients (52%) were treated with neoadjuvant hormones. The median follow-up period for all patients was 18.0 months (range 4-68). RESULTS: The biochemical disease-free survival rates at 1, 3 and 5 years in all patients were 84%, 80% and 78%, respectively. The biochemical disease-free survival rates at 3 years for patients with pretreatment PSA less than 10 ng/mL, 10.01-20.0 ng/mL and more than 20.0 ng/mL were 94%, 75% and 35%, respectively (P<0.0001). Multivariate analysis identified pretreatment PSA (P<0.0001) as a independent predictor of relapse. CONCLUSION: High-intensity focused ultrasound therapy appears to be a safe and efficacious minimally invasive therapy for patients with localized prostate cancer, especially those with a pretreatment PSA level less than 20 ng/mL. 相似文献
2.
ALCOHOL-RELATED SUDDEN DEATH WITH HEPATIC FATTY METAMORPHOSIS: A COMPREHENSIVE CLINICOPATHOLOGICAL INQUIRY INTO ITS PATHOGENESIS 总被引:1,自引:0,他引:1
YUZURIHA TAKEFUMI; OKUDAIRA MASAHIKO; TOMINAGA ITARU; HORI SHINGO; SUZUKI HIROMICHI; MATSUO YOSHIHIRO; SHOJI MUNESUKE; YOKOYAMA AKIRA; TAKAGI SATOSHI; HAYASHIDA MOTOI 《Alcohol and alcoholism (Oxford, Oxfordshire)》1997,32(6):745-752
To clarify the pathogenesis of the widely known but obscuresyndrome of sudden death with hepatic fatty metamorphosis observedin alcohol abusers, we have scrutinized both the clinical andpathological data of 11 subjects who died under such circumstancesbetween 1987 and 1993. Death followed several days of uninterrupteddrinking often with little dietary intake. The notable clinicalfeatures on arrival at the emergency room were disturbance ofconsciousness (11/11), hypotension (47/6), hypothermia (3/5),hypoglycaemia (8/11), metabolic acidosis (6/6), renal dysfunction(11/11), and hyperammonaemia (5/5). The common hepatic pathologywas the extensive appearance of numerous microvesicular fattydroplets in the hepatocytes together with varying degrees ofmacrovesicular fatty change; four subjects had an underlyingcirrhosis. Death undoubtedly results from a variety of metabolicdisturbances triggered by the combination of massive ethanolintake and starvation. The appearance of extensive microvesicularfatty change superimposed on macrovesicular fatty change wasconsidered to be an associated phenomenon 相似文献
3.
NILS DAHLGREN BENGT NILSSON TAKEFUMI SAKABE BO K. SIESJ
《Acta physiologica (Oxford, England)》1981,111(4):475-485
The effect of the fatty acid cyclo-oxygenase inhibitor indomethacin on cerebral blood flow (CBF) and the metabolic rate for oxygen (CMRO2) was studied in paralyzed and artificially ventilated rats. In normocapnic animals, the drug (10 mg·kg-1i. v.) reduced CBF to 50% of control without a measurable effect on CMRO2. During hypercapnia (PaCO2 70–80 mmHg) the increase in CBF was reduced by about 80% but CMRO2 remained unchanged. Autoradiographic evaluation of local CBF in 20 brain structures indicated that the reduction in CBF was relatively uniform throughout the brain. Dose response curves showed that an effect on CBF was evident already at an indomethacin dose of 1 mg·kg-1 and maximal effects were obtained with 3–5 mg·kg-1. Following i. v. injection of the drug reduction in CBF was observed already after 10 s and the full response occurred after 1–2 min. It is concluded that metabolites of arachidonic acid, possibly mainly prostacyclin, are powerful modulators of normal cerebrovascular tone, and help to mediate the CBF response to increased CO2 tensions. However, since indomethacin does not modify the circulatory response in other conditions with increased CBF these substances do not qualify as general coupling factors controlling CBF in physiological or pathological states. 相似文献
4.
Masashi TSUNODA Takamasa KIDO Sachiyo MOGI Yumiko SUGIURA Eriko MIYAJIMA Yuichiro KUDO Tatenao KUMAZAWA Yoshiharu AIZAWA 《Industrial health》2014,52(5):439-444
Glass wool and continuous glass filaments have been used in industry. We examined the
irritability of those among Japanese. A patch test was performed on 43 volunteers for the
followings: glass wool for non-residential use with and without a urea-modified phenolic
resin binder, that for residential use with and without the binder, and continuous glass
filaments with diameters of 4, 7, 9, and 13 µm. Materials
were applied to an upper arm of each volunteer for 24 h. The skin was observed at 1 and
24 h after the removal. At 1 h after removal, slight erythema was observed on the skin of
a woman after the exposure to glass wool for residential use without the binder. Erythema
was observed on the skin of another woman at 1 h after a 24-h exposure to glass wool for
non-residential use without the binder. There were no reactions at 24 h after the removal.
The low reactions in the patch test suggested that the irritability caused by glass wool,
irrespective of a resin component, could be induced mechanically, and that the
irritability caused by continuous glass filaments with resin could be slight and either
mechanical or chemical. 相似文献
5.
6.
Relationships Between Histological and Functional Indices of Acute Chemically Induced Nephrotoxicity
MIYAJIMA HIROAKI; HEWITT WILLIAM R.; COTE MICHEL G.; PLAA GABRIEL L. 《Toxicological sciences》1983,3(6):543-551
Relationships Between Histological and Functional Indices ofAcute Chemically Induced Nephrotoxicity. Miyajima, H., Hewitt,W.R., Côté, M.G., and Plaa, G.L. (1983). Fundam.Appl. Toxicol. 3: 543551. Acute renal injury was producedin rats with K2Cr2O7 (540 mg/kg, sc) HgCl2 (0.55.0mg/kg, sc) or cephaloridine (0.53.0 g/kg, sc). Histological(percentage of normal, degenerated or necrotic cells) and functionalindices (relative kidney weight, renal cortical slice accumulationof organic ions, and blood urea nitrogen content) were evaluated48 hours later. The relative sensitivity of each of these indiceswas determined for each nephrotoxicant. Renal cortical accumulationof organic ions appeared to be the most sensitive of the functionalparameters. A quantitative histological evaluation was foundto be as sensitive an indicator of nephrotoxicity as organicion accumulation. Alterations in each of the functional indiceswere significantly correlated with changes in renal histology. 相似文献
7.
A 23‐year‐old woman was admitted to the Teikyo University Hospital with symptoms of watery diarrhea and left lower abdominal pain. A painful mass was palpated in the left lower abdomen. Abdominal computed tomography demonstrated an inflammatory mass associated with gas accumulation. Abscess formation and perforation of the intestine was strongly suspected. Considering her general condition, antibiotic therapy was adopted first. The size of the mass decreased markedly with antibiotic administration. Upper gastrointestinal series showed no abnormalities in the small intestine. Barium enema showed complete obstruction of the descending colon. Colonoscopy revealed the granular change of the mucosa and stenosis at the descending colon. Non‐caseous granuloma was histopathologically noted. The condition of the patient was diagnosed as colonic stenosis due to the perforation at the descending colon as a complication of Crohn’s disease and laparoscopic resection of the colon was performed. Although marked adhesion was noted around the lesion, surgery was successfully completed. Crohn’s disease is a chronic, potentially panintestinal, incurable affliction. Colonic perforation in Crohn’s disease is a relatively rare complication. Surgical management should be as minimal as possible. Laparoscopic surgery for this particular patient was considered to be an adequate choice of treatment. 相似文献
8.
MASAHITO SATOH YOSHIFUSA AIZAWA TOSHIKAZU FUNAZAKI SHINICHI NIWANO KATSUYA EBE SEIICHI MIYAJIMA KAORU SUZUKI MASAMI AIZAWA AKIRA SHIBATA 《Pacing and clinical electrophysiology : PACE》1989,12(3):413-420
In the past 4 years, 34 asymptomatic patients with the Wolff-Parkinson-White (WPW) pattern underwent electrophysiologic study. The effective refractory period (ERP) of antegrade conduction over the accessory pathway was 288 +/- 29 msec. In three asymptomatic patients (9%), the antegrade ERP of the accessory pathway was shorter than 250 msec. The antegrade ERP of the accessory pathway became shorter than 250 msec in an additional 12 of 22 (55%) patients after isoproterenol administration. Nineteen (56%) of the asymptomatic patients showed the absence of retrograde conduction over the accessory pathway even after isoproterenol administration. The rate of induction of orthodromic reciprocating tachycardia in the asymptomatic WPW patients was 15% (5/34), which was significantly lower than that in the symptomatic patients. These data suggest that in the asymptomatic patients, the absence of retrograde conduction over the accessory pathway is the reason they remained asymptomatic, free of reciprocating tachycardia. However, even in the asymptomatic patients, some had the accessory pathway in which antegrade ERP was shorter than 250 msec. They may result in rapid ventricular conduction over the accessory pathway when atrial fibrillation develops. 相似文献
9.
KAZUOMI KARIO TAKEFUMI MATSUO KAZUYA KODAMA REIKO ASADA 《International journal of laboratory hematology》1993,15(4):259-263
Summary To investigate whether serum erythropoietin (EPO) levels are influenced by the intensity of bone marrow erythroid activity, we used a radioimmunoassay (Nippon DPC Co., Japan) to study EPO levels in three acute leukaemia patients during treatment with intensive chemotherapy. We also measured the reticulocyte count and reticulocyte maturity using an automated reticulocyte analyser (Sysmex R-2000) to detect erythropoietic activity. From the day after the initiation of chemotherapy, EPO levels increased markedly without any change in Hb levels, suggesting that some other mechanism was regulating serum EPO. A decrease in EPO after chemotherapy was accompanied by an increase in high fluorescence ratio, an index of immature reticulocvtes, but the actual increase in the reticulocyte count was delayed for 3-4 days after this. These findings suggest that the decrease in serum EPO levels was closely related to the early stage of red cell production and that EPO levels may be a useful marker for the recovery of erythropoietic activity after chemotherapy. 相似文献
10.
AKIRA IRIE TOYOAKI UCHIDA HIDEYUKI YAMASHITA KAZUMASA MATSUMOTO TAKEFUMI SATOH HIDESHIGE KOH SATORU SHIMURA MASATSUGU IWAMURA SHIRO BABA 《International journal of urology》2003,10(4):183-189
BACKGROUND: Intravesical instillation of bacillus Calmette-Guérin (BCG) is the most efficient strategy for prophylaxis of superficial bladder cancer recurrence. Adverse effects of BCG are major obstacles, but the reduction of BCG dose could minimize these effects. The efficacy and adverse effects of half-dose (40 mg) BCG, Tokyo 172 strain, were prospectively evaluated. METHODS: A total of 93 patients with superficial bladder cancer (pTa or pT1) were sequentially assigned to receive either 40 or 80 mg of BCG after transurethral resection. BCG was administered weekly for 6 weeks postoperatively. Eighty patients observed longer than 12 months after BCG therapy (41, 40 mg group; 39, 80 mg group) were analyzed. RESULTS: BCG therapy course was completed in 71 patients. Tumor recurrence was recognized in 11 of 40 patients in the 40 mg group and in 5 of 31 patients in the 80 mg group. There was no significant difference in tumor recurrence rate between the two groups (P = 0.547). BCG therapy was withdrawn in 1 patient in the 40 mg group and in 8 patients in the 80 mg-group because of BCG-related adverse effects. The morbidity of BCG-related toxicity was significantly higher in the 80 mg group. CONCLUSION: Half-dose of BCG Tokyo 172 strain had a similar efficacy and its toxicity was significantly lower compared to the standard dose. Thus, half-dose of this strain might be suitable, at least for initial BCG therapy, for the prophylaxis of bladder cancer recurrence. Further study would be necessary to clarify the efficacy of low-dose instillation in high-risk patients. 相似文献