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71.
72.
Release of cytokines, soluble cytokine receptors, and interleukin-1 receptor antagonist after intravenous immunoglobulin administration in vivo 总被引:6,自引:3,他引:6
Aukrust P; Froland SS; Liabakk NB; Muller F; Nordoy I; Haug C; Espevik T 《Blood》1994,84(7):2136-2143
We investigated the in vivo effects of one bolus injection (400 mg/kg) of intravenous immunoglobulin (IVIG) on a number of cytokines, soluble cytokine receptors, and interleukin-1 receptor antagonist (IL-1Ra) in plasma in 12 patients with primary hypogammaglobulinemia. A significant and rapid increase in plasma levels of IL-6, IL-8, and tumor necrosis factor alpha (TNF alpha) was seen within 1 hour after IVIG infusion. This increase was accompanied by a more prolonged elevation in levels of both types of soluble TNF receptors (sTNFRs), which remained elevated throughout the study period (44 hours) although they reached peak levels within 1 hour. After an initial increase in the ratio between TNF alpha and sTNFRs, this ratio decreased to values significantly lower than baseline values 20 and 44 hours postinfusion with approximately 600-fold molar excess of sTNFRs to TNF alpha (trimer). Although only a modest but statistically significant increase in plasma levels of IL-1 beta was seen, IVIG infusion was followed by a marked increase in plasma levels of IL-1Ra with 1,000-fold molar excess of IL-1Ra to IL-1 beta in some patients. The demonstrated effects of IVIG infusion on the cytokine network, particularly the induction of IL- 1Ra and sTNFRs release, might be important for the therapeutic effects of IVIG in several immune-mediated disorders. 相似文献
73.
Yajnesh Kidiyoor MBBS Post Graduate Student Vinod C. Nayak MD Assistant Professor Vasudha Devi MD Assistant Professor Shankar M. Bakkannavar MD Assistant Professor G. Pradeep Kumar MD Professor Head Ritesh G. Menezes MD Diplomate NB Assistant Professor 《Journal of Forensic and Legal Medicine》2009,16(8):472-474
Organophosphorus poisoning occurs very commonly in southern India where farmers form a significant proportion of the population who commonly use organophosphorus compounds like parathion as insecticides. Awareness of the complications caused by parathion poisoning is essential for proper monitoring and treatment. We report a case of suicidal parathion poisoning in a farmer who was treated with atropine and oximes. He subsequently developed myocardial infarction, to the treatment of which, he showed no response and succumbed. In conclusion, myocardial infarction is a rare complication of parathion poisoning. Awareness of this complication of parathion poisoning, proper monitoring and treatment could prevent fatalities. 相似文献
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75.
NB Sánchez IF Canedo PE García-Patos P de Unamuno Pérez AV Benito AM Pascual 《Journal of the European Academy of Dermatology and Venereology》2004,18(6):731-735
The association between vasculitis and cancer has been widely reviewed in recent decades. The existence of malignancies in patients with vasculitis has been estimated at about 4.5-8%, haematological neoplasms being the most frequently observed. The haematological malignancies most frequently described are lymphoproliferative diseases such as hairy cell leukaemia and lymphomas. On the contrary, the incidence of paraneoplastic vasculitis in patients with myeloma is low; up to now, we have found nine cases reported on this subject. We report the case of a 73-year-old woman who in 1 year showed three outbreaks of acutely painful, purpuric and ulceronecrotic lesions, localized on the lower extremities. Histopathological study demonstrated thrombosis in the arterioles and leucocytoclastic vasculitis. Complementary tests revealed the presence of multiple myeloma. 相似文献
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78.
Twenty-eight patients with ovarian carcinoma received 555 MBq of labeled chromic phosphate (P-32) intraperitoneally. Indications for treatment included a high-grade tumor, extracapsular involvement, positive cytologic findings, or residual tumor. Fifteen patients (group 1) had stage I, II, or III completely resected tumor; 13 patients (group 2) had microscopic or less than 3-mm lesions at second-look laparotomy following combination chemotherapy. A major complication occurred in one patient; two patients had minor complications. Overall, 24 of 28 patients (85.7%) were alive at 11-77 months; 23 (82.1%) had no evidence of tumor. Fifteen of 15 (100%) group 1 patients and eight of 13 (61.5%) group 2 patients did not have tumor relapse after 30 months and 28 1/2 months, respectively. P-32 was found to be an effective adjuvant treatment in a select group of patients with ovarian carcinoma who were at high risk for intraabdominal recurrence. 相似文献
79.
Early diagnosis of neonatal septicemia is a vexing problem because of its non-specific clinical picture. Many of the neonates with septicemia reaching a referral centre have already been exposed to antibiotics and their blood cultures are often sterile. Scarcity of studies evaluating acridine orange-stained buffy coat smears in detecting neonatal septicemia after administration of antibiotics prompted us to undertake this study. The population studied consisted of 34 cases of neonatal septicemia with positive blood cultures and/or positive buffy coat smears (of these 25 had a positive blood culture) and 25 neonates with a clinical course not suggestive of any infection. Venous blood was drawn for culture, preparation of buffy coat smears, blood counts and micro ESR. The culture and smears were repeated after administration of antibiotics for 48–72 h. Acridine orange stain was the most sensitive test and was significantly more sensitive than Gram's stain ( p < 0.005). After the administration of antibiotics, acridine orange was significantly more sensitive than Gram's stain and blood culture (p<0.05). 相似文献
80.
Higgins CB; Byrd BF d; McNamara MT; Lanzer P; Lipton MJ; Botvinick E; Schiller NB; Crooks LE; Kaufman L 《Radiology》1985,155(3):671-679
Gated magnetic resonance (MR) imaging was used to evaluate central cardiovascular anatomy in 172 subjects, 31 of whom were healthy volunteers. Using the spin-echo technique, images of diagnostic quality were obtained in 93% of cases with TE = 28 msec and in 65% of cases with TE = 56 msec. Transverse multisection sequences encompassing most of the left ventricle required approximately 6-8 minutes. Corroborative studies were available in 134 of 141 patients who had cardiovascular disease; two dimensional echocardiograms and angiography in 133 and 100 patients, respectively. Gated MR demonstrated the wall thinning and complications caused by prior myocardial infarctions and high signal intensity of the myocardium at the site of acute myocardial infarctions. MR accurately demonstrated anatomic abnormalities owing to hypertrophic and congestive cardiomyopathies, congenital abnormalities of the heart and great vessels, rheumatic heart disease, pulmonary hypertension, and cardiac and paracardiac masses. Depiction of cardiovascular anatomy and pathoanatomy was attained without the use of any contrast media. Consequently, gated MR is an effective technique for cardiac diagnosis. The short time required for tomographic examination of the entire heart using the multisection technique renders this a practical cardiac imaging modality. 相似文献