title: Hyperhomocysteinaemia is associated with uveitis but not with deep venous thrombosis in Behcet's disease.
abstract: Plasma homocysteine was assessed in Behcet's disease (BD) patients in order to determine the prevalence of hyperhomocysteinaemia in BD and to test its association with clinical manifestations of the disease. The study included 59 patients with BD and 118 age- and sex-matched healthy subjects. Plasma homocysteine, vitamin B(12) and folate were assessed by automated immunoassay methods. Hyperhomo-cysteinaemia was defined as plasma homocysteine >15 micromol/l. Plasma homocysteine concentrations and the prevalence of hyperhomocysteinaemia were significantly higher in BD patients than in controls [median (5th-95th percentile), 11.3 (6.6-28.1) vs. 10.6 (6.6-17.1) micromol/l, and 25.4% vs. 9.3%, respectively]. In BD patients, hyperhomocysteinaemia was related to male gender, disease severity and uveitis [odds ratio (OR), 5.32; 95% confidence interval (CI), 1.43-21.61; p = 0.008], but not to age, smoking, disease activity, deep venous thrombosis, arthritis or neurological involvement. The association between uveitis and hyperhomocysteinaemia persisted (multi-adjusted OR, 7.46; 95% CI, 1.03-54.3; p = 0.05) after adjusting for gender, age, disease activity and duration, smoking, deep venous thrombosis, and serum concentrations of creatinine, vitamin B(12) and folate. Plasma homocysteine should be measured in patients with BD, and the effect of B-vitamin supplementation should be tested in those with hyperhomo-cysteinaemia.
authors.affiliation: LAB-SM-01 Research Laboratory & Department of Biochemistry, Rabta University Hospital, 1007 Jebbari, Tunis, Tunisia. moncef.feki@rns.tn
authors.forename: Moncef
authors.initials: M
authors.lastname: Feki
authors.forename: Habib
authors.initials: H
authors.lastname: Houman
authors.forename: Mehdi
authors.initials: M
authors.lastname: Ghannouchi
authors.forename: Monia
authors.initials: M
authors.lastname: Smiti-Khanfir
authors.forename: Kamel
authors.initials: K
authors.lastname: Hamzaoui
authors.forename: Leila
authors.initials: L
authors.lastname: El Matri
authors.forename: Abderraouf
authors.initials: A
authors.lastname: Mebazaa
authors.forename: Neziha
authors.initials: N
authors.lastname: Kaabachi
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001528:Behcet Syndrome / Q000097:blood* / Q000453:epidemiology; D015331:Cohort Studies; D015897:Comorbidity; D005260:Female; D006710:Homocysteine / Q000097:blood; D006801:Humans; D020138:Hyperhomocysteinemia / Q000097:blood* / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D014416:Tunisia / Q000453:epidemiology; D014605:Uveitis / Q000097:blood* / Q000453:epidemiology; D020246:Venous Thrombosis / Q000097:blood* / Q000175:diagnosis / Q000453:epidemiology
chemical_list: D006710:Homocysteine