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91.
Perfluorochemicals as US contrast agents for tumor imaging and hepatosplenography: preliminary clinical results 总被引:3,自引:0,他引:3
Mattrey RF; Strich G; Shelton RE; Gosink BB; Leopold GR; Lee T; Forsythe J 《Radiology》1987,163(2):339-343
In animals, perfluorochemicals (PFCs) are effective ultrasound (US) contrast agents that produce hepatic, splenic, and tumor enhancement. The use of Fluosol-DA 20%, an emulsion of perfluorodecalin and perfluorotripropylamine, was studied in nine non-critically ill patients with cancer who had liver lesions. US studies without Fluosol were compared with studies obtained 24, 48, and 72 hours after Fluosol infusion. Vital signs and extensive laboratory analyses are performed before and after Fluosol infusion. Liver metastases from colonic, pancreatic, and gastric carcinoma exhibited rim or diffuse enhancement after a Fluosol dose of 1.6 g/kg or greater. Fluosol produced echogenic enhancement of the liver and spleen relative to kidney at a dose of 2.4 g/kg, allowing the detection of nonenhancing lesions. In addition, Fluosol at a dose of 1.6 g/kg or greater allowed detection of lesions not seen before contrast medium was administered in three of the seven patients studied. There was a mild increase in the level of serum glutamic oxaloacetic transaminase in two patients, one given 2.4 and the other 3.2 g/kg of Fluosol. Mild and transient allergic reactions without change in vital signs were experienced by two patients. 相似文献
92.
93.
Hepatic parenchymal gas was demonstrated by computed tomography in a boy who had sustained severe blunt trauma to the abdomen 12 hours earlier. There was no clinical evidence of infection. Although previous reports have suggested that hepatic parenchymal gas indicates the presence of infection, such gas may also be a manifestation of severe blunt trauma without infection. 相似文献
94.
95.
Human breast lesions: characterization with proton MR spectroscopy 总被引:31,自引:0,他引:31
96.
JESPER NØRREGAARD PHILIP TØNNESEN KÅRE SIMONSEN LARS PETERSEN URBAIN SÄWE 《Addiction (Abingdon, England)》1992,87(8):1189-1194
Reports of smoking cessation studies often claim that many relapsed subjects reduce their smoking. We investigated the smoking habits of relapsers 1 year after quitting in a smoking cessation trial using nicotine or placebo patches. All 289 participants in that study were summoned to a 1-year follow-up visit–148 (57%) of 259 relapsers attended, as did all 30 sustained abstainers. Fewer than 1% of the subjects had quit spontaneously after the primary relapse. Daily cigarette consumption, standard nicotine yield per cigarette, saliva cotinine concentration, expired carbon monoxide level and two nicotine dependency scales were assessed at entry and at the 1-year follow-up. In five of these six smoking-related characteristics, there was a small but significant mean reduction of 7%-27%. A significant weight gain of 0.5 ± 2.9 kg (mean ± SD) was recorded in the relapsers compared with 4.8 ± 4.2 kg for abstainers (p < 0.001). It is concluded that smoking habits in relapsers are relatively unchanged, and thus the most important outcome measure in smoking cessation trials is abstinent subjects. 相似文献
97.
P.N. Cooper D. Neary D. Denning G.M. Cleator RE. Klapper 《European journal of neurology》1996,3(3):267-271
Two cases of Coxsackie B viral meningo-encephalitis in pregnant women are described. Both patients recovered well and delivered healthy babies, but because of delay in establishing the aetiology of their infections both mothers, and one child, received acyclovir therapy. The differential diagnosis of non-pyogenic meningo-encephalitis in late pregnancy can present particular problems: clinicians caring for such women should remain aware of the potential for enteroviral infection in their patients, and take appropriate action to prevent cross-infection in neonatal units. 相似文献
98.
99.
Adverse reactions associated with autologous blood transfusion: evaluation and incidence at a large academic hospital 总被引:10,自引:0,他引:10
RE Domen 《Transfusion》1998,38(3):296-300
BACKGROUND: It is acknowledged that autologous blood is the safest for the patient to receive. However, it is generally not appreciated that transfusion reactions to autologous blood may occur, despite the fact that it is the patient's own blood. STUDY DESIGN AND METHODS: A retrospective review of all transfusion reactions reported to a hospital transfusion service from 1991 through 1996 was performed, and all reactions to autologous blood were further investigated. RESULTS: Reported adverse reactions to autologous blood composed 2.1 percent of all transfusion reactions investigated in the hospital, involving 0.16 percent (15/9,353) of all transfused preoperatively donated autologous red cell units and 0.027 percent (5/18,506) of all intraoperatively salvaged units. Further investigation revealed that 60 percent (12/20) of these adverse reactions were felt to be clinically important and directly attributable to the autologous blood transfusion. Adverse reactions included febrile nonhemolytic (5) and allergic (4) reactions, an acute hemolytic transfusion reaction secondary to a clerical error (1 intraoperatively salvaged unit), and other nonsignificant adverse reactions (2). Eight adverse reactions were determined these reactions to be unrelated to the autologous transfusion. CONCLUSION: Despite the fact that the blood given is the patient's own blood, transfusion reactions to autologous blood do occur. As it is for allogeneic transfusion, any suspected adverse reaction to autologous blood transfusion should be investigated. 相似文献
100.
RE Santosa 《Australian dental journal》2007,52(3):234-242
Unlike their use in conventional crown and bridge, provisional restorations during implant therapy have been underutilized. Provisional restorations should be used to evaluate aesthetic, phonetic and occlusal function prior to delivery of the final implant restorations, while preserving and/or enhancing the condition of the peri-implant and gingival tissues. Provisional restorations are useful as a communication tool between members of the treatment team which, in most cases, consists of the restorative clinician, implant surgeons, laboratory technicians, and the patient. This article describes and discusses the various options for provisionalization in implant dentistry. Clinicians should be aware of the different types of provisional restorations and the indications for their use when planning implant retained restorations. 相似文献