نتایج جستجو برای: local hyperthermia
تعداد نتایج: 540350 فیلتر نتایج به سال:
The purpose of this report is to present the preliminary results of re-irradiation and external hyperthermia in patients with locally advanced, previously irradiated, hormone refractory prostate cancer. Three consecutive patients with symptomatic, locally advanced, previously irradiated and hormone refractory prostate cancer were treated with further irradiation (30.6-50 Gy) and external hypert...
PURPOSE To report the effects of local microwave diathermy (hyperthermia) at 434 Mhz on calcific tendinopathy of the shoulder in two middle aged patients. METHODS Two middle-aged women with calcific tendinopathy of the shoulder were treated with local microwave diathermy (hyperthermia) at 434 Mhz three times a week for four weeks. Plain radiographs and ultrasonography demonstrated calcific de...
Species differences in life span have been attributed to cellular survival during various stressors, designated here as 'cell resilience'. In primary fibroblast cultures, cell resilience during exposure to free radicals, hypoglycemia, hyperthermia, and various toxins has shown generally consistent correlations with the species characteristic life spans of birds and mammals. However, the mechani...
QT interval heterogeneities induced through local epicardial warming/cooling. An experimental study.
INTRODUCTION AND OBJECTIVES Abnormal QT interval durations and dispersions have been associated with increased risk of ventricular arrhythmias. The present study examines the possible arrhythmogenic effect of inducing QT interval variations through local epicardial cooling and warming. METHODS In 10 isolated rabbit hearts, the temperatures of epicardial regions of the left ventricle were modi...
OBJECTIVES We report our observations on one soldier with abnormal hyperthermia during exercise in the heat compared with prior exercise and following acute local (non-febrile) infection. Also, we report on 994 heat stroke hospitalizations in the U.S. Army. It is known that prior infection is a risk factor for heat illness and some of the 37 heat stroke deaths cited infections (eg, pneumonia, i...
background: a possible mechanism by which hyperthermia enhances tumor immunogenicity is the induction of nkg2d ligands on tumor cells. although the expression of mhc class i chain-related protein a and b (mica/b) has previously been reported in different carcinomas, there is no information about mica/b expression in liposarcomas. objective: to investigate mica/b induction in a human liposarcoma...
The effects of SR-4233 (3-amino-1,2,4-benzotriazine-1,4-dioxide), a hypoxic cell cytotoxic agent, were assayed against the FSaIIC murine fibrosarcoma in vitro and in vivo alone and in conjunction with hyperthermia and radiation. In vitro, a concentration of 500 microM of SR-4233 upon exposure of the cells for 1 h decreased the survival of hypoxic cells by about 1 log more than euoxic cells at 3...
The goal of heat therapy in the treatment of malignant disease is to raise the temperature of all neoplastic tissue to a cytotoxic temperature for a predetermined period of time. This seemingly simple task has proved difficult in vivo in part because of non-uniform power absorption and in part because of non-homogeneous and time-varying tumour blood flow. We have addressed this difficulty first...
In an attempt to optimize the chemotherapeutic treatment of mouse tumor Sarcoma 180, liposomes containing c/s-dichlorodiammineplatinum(ll) (FDD), having transition temperatures a few degrees higher than the rectal temperature of mice, were used in combination with local hyperthermia. The uptake of radioactive PDD by tumors heated for 1 hr at 42°was almost four-fold greater when the drug was as...
The sensitivity to local tumor hyperthermia (43 degrees, 60 min) of a spectrum of eight different solid mouse tumors (Lewis lung carcinoma, M5076 ovarian carcinoma, colon carcinoma 38, colon carcinoma 26, mammary adenocarcinoma C3HBA, mammary adenocarcinoma 16C, glioma 26, and B16 melanoma) was investigated. A microwave (2.45-GHz) apparatus produced localized heating of the tumors without gener...
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