The Italian quality control study for evaluation of CD4 cells in centres involved in the treatment of HIV-1 patients

Clinical and Experimental Immunology

Volumn 111, Issue 3, 1998, Pages 564-573

  Pandolfi, F ^a,b   Alario, C ^a   Girardi, E ^c   Rava', L ^c   Ippolito, G ^c   Kunkl, A ^d   Aiuti, F ^a   Dammacco, F ^e   Silvestris, F ^e   Facchini, A ^f   Del Giacco, S ^g   Arangino, V ^g   Manconi, P ^g   Romagnani, S ^h   Giudizi, M G ^h   Biagiotti, R ^h   Terranova, M P ⁱ   Moroni, M ^j   Galli, M ^j   Lazzarin, A ^k   Soldini, L ^k   Semenzato, G ^l   Zambello, R ^l   Sancetta, R ^l   Tiracchia, V ^a   more..

^a SAPIENZA UNIVERSITY OF ROME   (Italy)

^b CATHOLIC UNIVERSITY   (Italy)

^c 2nd Division of Infectious Diseases   (Italy)

^d UNIVERSITY OF GENOA   (Italy)

^e UNIVERSITY OF BARI   (Italy)

^f UNIVERSITY OF BOLOGNA   (Italy)

^g UNIVERSITY OF CAGLIARI   (Italy)

^h UNIVERSITY OF FLORENCE   (Italy)

ⁱ UNIVERSITY OF GENOA   (Italy)

^j UNIVERSITY OF MILAN   (Italy)

^k SAN RAFFAELE HOSPITAL   (Italy)

^l UNIVERSITY OF PADOVA   (Italy)

more..

Author keywords

CD4; HIV 1; Quality control

Indexed keywords

ACQUIRED IMMUNE DEFICIENCY SYNDROME; ARTICLE; BLOOD SAMPLING; CROSS LINKING; HELPER CELL; HUMAN; HUMAN IMMUNODEFICIENCY VIRUS 1; HUMAN IMMUNODEFICIENCY VIRUS INFECTION; MAJOR CLINICAL STUDY; PRIORITY JOURNAL; QUALITY CONTROL; RELIABILITY;

CD4 LYMPHOCYTE COUNT; CD4-POSITIVE T-LYMPHOCYTES; HIV INFECTIONS; HIV-1; HUMANS; ITALY; QUALITY CONTROL;

EID: 6844257518     PISSN: 00099104     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2249.1998.00520.x     Document Type: Article

References (27)

1. Polk F, Fox R. Brookmeyer R et al. Predictors of the acquired immunodeficiency syndrome developing in a cohort of seropositive homosexual men. New Eng J Med 1987; 316:61-66.
2. Moss AR, Bacchetti P, Osmond D et al. Seropositivity for HIV and the development of AIDS or AIDS related condition: three year follow up of the San Francisco General Hospital cohort. Br Med J (Clin Res Ed) 1988: 296:745-50.
3. Stites DP, Moss AR, Bacchetti P et al. Lymphocyte subset analysis to predict progression to AIDS in a cohort of homosexual men in San Francisco. Clin Immunol Immunopathol 1989; 52:96-103.
4. Taylor JM, Fahey JL, Detels R, Giorgi JV. CD4 percentage, CD4 number, and CD4:CD8 ratio in HIV infection: which to choose and how to use. J Acquir Immune Detic Syndr 1989; 2:114-24.
5. Teitel JM, Freedman JJ, Garvey MB, Kardish M. Two-year evaluation of clinical and laboratory variables of immune function in 117 hemophiliacs seropositive or seronegative for HIV-1. Am J Hematol 1989; 32:262-72.
6. Fahey JL, Taylor JM, Detels R, Hofmann B, Melmed R, Nishanian P, Giorgi JV. The prognostic value of cellular and serologie markers in infection with human immunodeficiency virus type 1. N Engl J Med 1990; 322:166-72.
7. Tsoukas CM, Bernard NF. Markers predicting progression of human immunodeficiency virus-related disease. Clin Microbiol Rev 1994; 7:14-28.
8. Centers for Disease Control. Guidelines for prophylaxis against Pneumocystis carinii pneumonia for persons infected with HIV. MMWR: 1989; 38 (Suppl. 5):1-9.
9. Nicholson J, Jones B, Echenberg D, Spira T, McDouglas J. Phenotypic distribution of T cells of patients who have subsequently developed AIDS. Clin Immunol Immunopathol 1987; 43:82-87.
10. Masur H, Ognibene FP, Yarchoan R et al. CD4 counts as predictors of opportunistic pneumonias in human immunodeficiency virus (HIV) infection. Ann Intern Med 1989; 111:223-31.
11. Polis MA, Masur H. Predicting the progression to AIDS. Am J Med 1990; 89:701-5.
12. Mandigo K, Raboud JM, Haley L, Montaner JS. Variability in leukocyte subset measurements among five laboratories in Vancouver. Clin Invest Med 1995; 18:349-56.
13. Schwartz A, Fernandez RE, Development of clinical standards for flow cytometry. Ann N Y Acad Sci 1993; 677:28-39.
14. Brando B, Sommaruga E. Nationwide quality control trial on lymphocyte immunophenotyping and flow cytometer performance in Italy. Cytometry 1993; 14:294-306.
15. Peddecord K, Benenson A, Hofherr L, Francis D, Garfein R, Cross G, Schalla W. Variability of reporting and lack of adherence to consensus guidelines in human T-lymphocyte immunophenotyping reports: results of a case series. J AIDS 1993; 6:823-30.
16. + cell count measurement variability on staging HIV-1 infection. J Acquir Immune Detic Syndr 1992; 5:794-802.
17. Raboud J, Haley L, Montaner J, Murphy C, Januszewska M, Schechter M. Quantification of the variation due to laboratory and physiologic sources in CD4 lymphocyte counts of clinically stable HIV-infected individuals. J AIDS 1995; 10 (Suppl. 2):S67-73.
18. Gelman R, Cheng SC, Kidd P, Waxdal M, Kagan J. Assessment of the effects of instrumentation, monoclonal antibody, and fluorochrome on flow cytometric immunophenotyping: a report based on 2 years of the NIAID DAIDS flow cytometry quality assessment program. Clin Immunol Immunopathol 1993; 66:150-62.
19. Simson E, Groner W. Variability in absolute lymphocyte counts obtained by automated cell counters. Cytometry 1995; 22:26-34.
20. Nicholson J. Immunophenotyping specimens from HIV-infected persons: laboratory guidelines from the Centers for Disease Control and Prevention. Cytometry 1994; 18:55-59.
21. + T-cell determinations in persons with HIV infections. MMWR 1994; 43:1-21.
22. Mercolino T, Connelly M, Meyer E, Knight M, Parker J, Stelzer G, De Chirico G. Immunologic differentiation of absolute lymphocyte count with an integrated flow cytometric system: an new concept for absolute T-cell subset determination. Cytometry 1995; 22:48-59.
23. Vogt R, Cross G, Henderson L, Phillips D. Model system evaluating fluorescein-labeled microheads as internal standards to calibrate fluorescence intensity of flow cytometers. Cytometry 1989; 10: 294-302.
24. Giorgi JV, Cheng HL, Margolick JB et al. Quality control in the flow cytometric measurement of T-lymphocyte subsets: the multicenter AIDS cohort study experience. The Multicenter AIDS Cohort Study Group. Clin Immunol Immunopathol 1990; 55:173-86.
25. Homburger H, Rosenstock W, Paxton H, Paton M, Landay A. Assessment of interlaboratory variability of immuno-phenotyping. Ann NY Acad Sci 1993; 677: 43-49.
26. Kagan J, Gelman R, Waxdal M, Kidd P. NIAID Division of AIDS flow cytometry quality assessment program. Ann N Y Acad Sci 1993; 677: 51-52.
27. Vesely R, Barths J, Vanlangendock F, Hannet I, Strauss K. Initial results of central European immunophenotyping quality control program (CEQUAL). Cytometry 1996; 26:108-12.