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Diamondstone Laura S. Tollerud David J. Fuchs Dietmar Wachter Helmut Brown Linda Morris Maloney Elizabeth Kurman Carole C. Nelson David L. Blattner William A. 《Journal of clinical immunology》1994,14(6):368-374
Sera and questionnaire data from a population-based random sample of healthy adults was used to evaluate factors influencing neopterin and 2-microglobulin (2m) values. Both neopterin and 2m levels increased with age and were higher among white than blacks (mean values for whites and blacks: neopterin, 5.06 vs 4.49 nmol/L; 2m, 1.36 vs 1.28 mg/L). Gender differences were noted for 2m but not neopterin values (2m males vs females: 1.37 vs 1.29 mg/L). Neopterin values were lower among current smokers than among nonsmokers (4.32 vs 5.16 nmol/L) and were higher among users of antihistamines (5.46 among users vs 4.65 nmol/L among nonusers). Neopterin and 2m were correlated in this healthy adult population (adjustedr=0.53,P=0.001), yet no other interrelationships with numerous biologic markers except between 2m and serum-soluble interleukin-2 receptor levels (adjustedr=.41,P=0.05) were observed. These findings provide important baseline information to consider before planning or evaluating studies utilizing neopterin or 2m levels. 相似文献
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L. S. Diamondstone L. M. Aledort† J. J. Goedert ‡ for the MULTICENTRE HEMOPHILIA COHORT STUDY 《Haemophilia》2002,8(5):660-667
Historically, the leading cause of death among persons with haemophilia and other congenital coagulation disorders was uncontrolled bleeding. Mortality was associated with severe deficiency of coagulation factors VIII or IX and especially with high-titre antifactor neutralizing antibodies (inhibitors). The catastrophic contamination of plasma donor pools with human immunodeficiency virus (HIV) resulted in acquired immunodeficiency syndrome replacing haemorrhage as the leading cause of death among persons with haemophilia. Rather little has been written, however, about mortality among those not infected with HIV. The objective of this study was to identify conditions associated with all-cause mortality among HIV-uninfected patients who were followed for a mean of 8.8 years in the Multicentre Hemophilia Cohort Study. Among the 364 children (mean age 8 years), there were four deaths; two related to cancer, one to trauma, and the fourth to haemorrhage, end-stage liver disease and sepsis. Among the 387 HIV-uninfected adults (mean age 35 years) there were 29 deaths, with haemorrhage the leading cause of death, followed by hepatic, stroke and cancer deaths. Prognostic factors for all-cause mortality among the adults included haemophilia Type A with neutralizing antibodies [age-adjusted relative rate (RR) 3.1, 95% confidence interval (CI) 1.4-6.9] and serologic evidence of both hepatitis B and C virus (RR 4.1, 95% CI 0.97-17.6). Although hepatitis C viral load was slightly lower in patients with hepatitis B virus surface antigenaemia, it was unrelated to vital status. We conclude that causes of death and prognostic factors for current HIV-uninfected haemophilia patients are similar to those noted before the HIV epidemic. Better understanding, prevention and control of neutralizing antibodies and hepatitis infections may substantially improve longevity for people with haemophilia. 相似文献
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