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    Prognosis of Behcet's syndrome among men with mucocutaneous involvement at disease onset: long-term outcome of patients enrolled in a controlled trial
    (Oxford Univ Press, 2010) Hamuryudan, Vedat; Hatemi, Gulen; Tascilar, Koray; Sut, Necdet; Ozyazgan, Yilmaz; Seyahi, Emire; Mat, Cem
    Objective. To assess the influence of being free of major organ involvement during the early years of the disease on the prognosis of men with Behcet's syndrome (BS). Methods. Ninety-six men with BS, who had only active mucocutaneous manifestations when entering a controlled trial of thalidomide mean (S. D.) 11.7 (0.8) years ago, were re-evaluated for the use of immunosuppressives as an indication of major organ involvement during the post-trial period. Results. Outcome information was obtained in 91 (95%) patients. Thirty-nine (43%) patients had to use immunosuppressives during the post-trial period. Immunosuppressive use was significantly more frequent among patients developing BS at younger age (76%; 424 years) than older age (30%; 525 years). Developing BS at young age (OR 6.3; 95% CI 2.09, 19.04) and not using colchicine during the post-trial period (OR = 3.860; 95% CI 1.484, 10.034) were risk factors for immunosuppressive use. However, 82% of the patients using colchicine had onset during old age. Colchicine showed a significant effect in decreasing the use of immunosuppressives only among patients of old age at onset (Fisher's exact test = 5.026; P = 0.031) in the subgroup analysis. Eye disease (18 patients) and vascular involvement (14 patients) were the most frequent indications for immunosuppressive use. Conclusions. Being free of major organ involvement during the early years of BS does not indicate a mild prognosis for men developing BS at young age. Whether colchicine will reduce the need for immunosuppressive use among men developing BS at old age awaits formal studies.
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    Vascular involvement in Behcet's syndrome: a retrospective analysis of associations and the time course
    (Oxford Univ Press, 2014) Tascilar, Koray; Melikoglu, Melike; Ugurlu, Serdal; Sut, Necdet; Caglar, Erkan; Yazici, Hasan
    Objective. Some features of Behcet's syndrome (BS) tend to go together. We aimed to explore the association and timing of various vascular events in both the venous and the arterial vascular tree. Methods. We conducted a chart survey on the type and time of vascular involvement of BS. The cross-relationships of involvement were assessed by phi correlation coefficients. Multiple correspondence analysis was used to identify patterns of vascular involvement. The risk of vascular recurrence was also estimated. Results. We identified 882 patients with vascular involvement among 5970 BS patients (14.7%). Deep vein thrombosis (DVT), almost always in the legs, was the most frequent single vascular event (592/882; 67.1%). The cumulative risk of a recurrent vascular event was 38.4% at 5 years. Patients with extrapulmonary artery involvement (EPAI) were significantly older than those with venous and pulmonary artery involvement (PAI). There were significant correlations between dural sinus thrombosis (DST) and PAI, Budd-Chiari syndrome (BCS) and inferior vena cava syndrome (IVCS) and between IVCS and superior vena cava syndrome (SVCS). Multiple correspondence analysis further indicated clustering of PAI, DST, BCS, IVCS and SVCS. However, EPAI and DVT clustered separately from forms of vascular disease, the separate clustering of the DVT being attributed to its propensity to occur solo. Conclusion. The most common type of vascular involvement in BS is solo DVT, almost always occurring in the legs. Various forms of venous disease in BS segregate together and PAI is included in this group. EPAI segregates separately.