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31.
MARIA M. DURÁN M.D. CLARA P. ORDOÑEZ M.D. JUAN C. PRIETO M.D. JAIME BERNAL M.D. PH.D. 《International journal of dermatology》1996,35(6):413-416
Background. Actinic prurigo has a high prevalence in women of child-bearing age. Its treatment has been, among others, with thalidomide. To avoid the deleterious effects of this drug on the embryo, therapeutic alternatives have been sought. Among these, tetracycline and vitamin E have been investigated as to their influence on the symptoms of actinic prurigo. Both these drugs affect superoxide radicals that are thought to be involved in the pathogenesis of actinic prurigo. Materials and Methods. Patients (Chimila Indians with a high prevalence of actinic prurigo) received either (a) tetracycline, 500 mg three times daily, for 6 months, or (b) vitamin E, 100 IU daily, for 6 months. The patients were seen once monthly. There were eight patients in each group. Results. Both drugs used were effective. Pruritus was remarkably improved by either treatment. None of the side effects were severe enough to lead to interruption of treatment, but the observation period posttreatment was relatively short, 4 months for tetracycline and 2 months for vitamin E. The improvement occurred in spite of the continuation of extensive exposure to the sun. Conclusions. Tetracycline and vitamin E are efficacious in relieving the pruritus of actinic prurigo. Preliminary trials of a combination treatment with these two drugs is a new avenue which has shown in preliminary trials to yield synergistic effects which might allow the dosage of tetracycline to be reduced. 相似文献
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33.
JOANNE Y.H. KWAK KENNETH D. BEAMAN ALICE GILMAN-SACHS JAIME E. RUIZ DAVID SCHEWITZ ALAN E. BEER 《American journal of reproductive immunology (New York, N.Y. : 1989)》1995,34(2):93-99
PROBLEM : To analyze immunophenotypic profiles of peripheral blood and humoral autoimmune responses in women with a history of recurrent spontaneous abortions (RSA). METHOD : Peripheral blood lymphocyte subsets by flow cytometry and autoantibodies to phospholipids and nuclear components by ELISA were measured in non pregnant and pregnant women with RSA of unknown etiology. Thirty-five pregnant and eighty-one nonpregnant women with RSA were studied. Seventeen nonpregnant and twenty-two pregnant normal controls were included. RESULTS : Natural killer (NK) cells (CD56+) were significantly elevated in nonpregnant women with RSA as compared with nonpregnant controls. Pregnant women with RSA demonstrated significantly increased NK (CD56+, CD56+/CD16+) and B cells (CD19+) as compared with pregnant controls. Women who miscarried the index pregnancy demonstrated significantly lower CD3+ cells in comparison with normal controls. Women with RSA and antiphospholipid antibodies showed significantly elevated NK cells when compared with women without antiphospholipid antibodies. Women with autoantibodies to nuclear components demonstrated significantly elevated CD19+/CD5+ cells when compared to women without autoantibodies to nuclear components. CONCLUSIONS : Women with RSA demonstrate an abnormal cellular immune response by increasing peripheral natural killer cells and B cells as compared with normal controls. 相似文献
34.
BACKGROUND Fillers continue to proliferate in dermatology. Rigorous clinical trials can help determine the advantages and disadvantages of these products as they come to market.
OBJECTIVE This randomized, split-face, controlled study compared the efficacy, safety, durability, and volumes of calcium hydroxylapatite (CaHA) versus nonanimal-stabilized hyaluronic acid (NASHA) in nasolabial folds.
METHODS AND MATERIALS Sixty patients were enrolled at two medical clinics in Europe (Summer 2005). Patients received two injections 3 months apart. Patients returned at 6, 9, and 12 months for a blinded evaluation, using accepted aesthetic rating scales. Adverse events were recorded throughout the study.
RESULTS At all time points, CaHA was found to be more effective than NASHA. At 12 months, 79% of CaHA folds were still improved or better versus 43% of NASHA folds ( p <.0001). In addition, 30% less total CaHA volume was required compared to NASHA. Evaluators assessed CaHA as superior in 47% of patients and inferior in only 5% ( p <.0001). Blinded evaluators and patients preferred CaHA two to one ( p <.05). Both products were safe and well tolerated.
CONCLUSION CaHA was found to be significantly more effective than NASHA. At all time points, CaHA demonstrated longer lasting results and greater improvement than NASHA. 相似文献
OBJECTIVE This randomized, split-face, controlled study compared the efficacy, safety, durability, and volumes of calcium hydroxylapatite (CaHA) versus nonanimal-stabilized hyaluronic acid (NASHA) in nasolabial folds.
METHODS AND MATERIALS Sixty patients were enrolled at two medical clinics in Europe (Summer 2005). Patients received two injections 3 months apart. Patients returned at 6, 9, and 12 months for a blinded evaluation, using accepted aesthetic rating scales. Adverse events were recorded throughout the study.
RESULTS At all time points, CaHA was found to be more effective than NASHA. At 12 months, 79% of CaHA folds were still improved or better versus 43% of NASHA folds ( p <.0001). In addition, 30% less total CaHA volume was required compared to NASHA. Evaluators assessed CaHA as superior in 47% of patients and inferior in only 5% ( p <.0001). Blinded evaluators and patients preferred CaHA two to one ( p <.05). Both products were safe and well tolerated.
CONCLUSION CaHA was found to be significantly more effective than NASHA. At all time points, CaHA demonstrated longer lasting results and greater improvement than NASHA. 相似文献
35.
A type of experimental hypersplenism characterized by splenomegaly andthrombocytopenia has been produced in the rat by the repeated intraperitoneal injection of methylcellulose. The urine of these animals was collectedand given through a gastric tube to another group of normal rats for a periodof 4 weeks. The results were a marked and rapidly developing thrombocytopenia, a delayed but definite anemia with mild reticulocytosis and leukocytosis. When the administration of urine was discontinued, the anemia regressed,but the thrombocytopenia persisted unmodified for 2 weeks. When the urineof hypersplenic rats was again given to this group for 6 additional weeks, itfailed to induce anemia or to change the persistent thrombocytopenia. Intragastric administration of urine from normal rats, from rats made anemic bytotal body radiation and from the hypersplenic group after splenectomy toother groups of normal rats, failed to produce the same changes and onlyinduced moderate leukocytosis.On the basis of these results, it is postulated that in experimental methylcellulose-hypersplenism in the rat there is a humoral factor(s) responsiblefor the thrombocytopenia, that this humoral factor(s) is eliminated in theurine and that when such urine is given to normal rats, it is responsible forthe thrombocytopenia and partially for the anemia that are observed. Suchfactor(s) are in some important way related to the presence of the spleen. Submitted on October 16, 1959 Accepted on March 8, 1960 相似文献