Behçet's disease natural history, complications and prognosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Hamid Qazi, MD, BSc [2] Dheeraj Makkar, M.D.[3]
Overview
The symptoms of Behçet disease usually develop in the second to third decade of life, and start with symptoms such as uveitis, mouth sores, and skin lesions. Common complications of Behçet disease include neuro Behçet, vision loss, and aneurysm. Depending on the extent of the disease at the time of diagnosis, the prognosis may vary. However, the prognosis is generally regarded as good. The worst prognoses are associated with retinal vasculitis, leading to blindness; vascular aneurysm formation, with possible rupture; and neuro–Behçet syndrome, which may lead to dementia despite appropriate aggressive treatment.
Natural History, Complications, and Prognosis
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Natural History
- Behçet’s is a chronic, relapsing–remitting multisystem vasculitis.
- Onset: Mean age at diagnosis ≈30 years, with most cases between 15–45 years.
- Course:
- Disease activity generally wanes with advancing age.
- Clinical features often overlap and evolve over time (e.g., mucocutaneous → ocular, vascular, or neurologic involvement).
- Sex differences: Incidence similar in men and women, but men tend to develop more severe disease.
- Familial aggregation reported, particularly in early-onset cases
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- The symptoms of Behçet disease usually develop in the second to third decade of life, and start with symptoms such as uveitis, mouth sores, and skin lesions.[1]
Complications
- Ocular Complications
Uveitis in ~50% of patients.
Can lead to vision loss, historically in up to 25% over 10 years before widespread immunosuppressive therapy.
Now reduced to ~13% with modern treatments.
Risk factors: male sex, posterior segment involvement, frequent relapses .
- Vascular Complications
Behçet’s can affect both veins and arteries.
Venous: Superficial thrombophlebitis, deep-vein thrombosis (15–40%), Budd–Chiari syndrome, cerebral sinus thrombosis.
Arterial: Aneurysms (especially aorta, pulmonary arteries), stenosis, thrombosis.
Cardiac involvement: Valvulitis, myocarditis, coronary arteritis, intracardiac thrombosis, endomyocardial fibrosis.
Vascular Behçet’s is the leading cause of death, mainly due to arterial aneurysms and Budd–Chiari syndrome .
- Neurologic Complications
Occurs in <30% of patients, either:
Parenchymal (brainstem, mesodiencephalic junction) → headaches, hemiparesis, seizures.
Non-parenchymal (cerebral venous thrombosis).
Associated with progressive disability in relapsing cases.
- Gastrointestinal Complications
Ulcers throughout the GI tract, resembling inflammatory bowel disease.
Can lead to pain, bleeding, perforation, sometimes requiring surgery
- Common complications of Behçet disease include:[2]
- Neuro Behçet
- Vision loss
- Aneurysm
Prognosis
- Mortality rates:
~5% over 7.7 years and ~9.8% over 20 years of follow-up.
- Poor prognostic factors:
- Male sex (hazard ratio 4.94).
- Arterial involvement (HR 2.51).
- High frequency of flares (HR 2.37).
- Disability risks:
- Neurologic Behçet’s → 25–60% risk of severe disability or death within 7–10 years.
- Ocular Behçet’s → risk of blindness historically 25%, now closer to 13%.
- Despite systemic severity, many patients experience decline in activity with age, and treatment advances (e.g., biologics, TNF inhibitors) have improved survival and reduced complications
- Depending on the extent of the disease at the time of diagnosis, the prognosis may vary. However, the prognosis is generally regarded as good.[3]
- The worst prognoses are associated with retinal vasculitis, leading to blindness; vascular aneurysm formation, with possible rupture; and neuro–Behçet syndrome, which may lead to dementia despite appropriate aggressive treatment.
References
- ↑ Sakane T, Takeno M, Suzuki N, Inaba G (1999). "Behçet's disease". N Engl J Med. 341 (17): 1284–91. doi:10.1056/NEJM199910213411707. PMID 10528040.
- ↑ Zouboulis CC, Vaiopoulos G, Marcomichelakis N, Palimeris G, Markidou I, Thouas B; et al. (2003). "Onset signs, clinical course, prognosis, treatment and outcome of adult patients with Adamantiades-Behçet's disease in Greece". Clin Exp Rheumatol. 21 (4 Suppl 30): S19–26. PMID 14727454.
- ↑ Sota J, Vitale A, Orlando I, Lopalco G, Franceschini R, Fabiani C; et al. (2017). "Auditory involvement in Behcet's disease: relationship with demographic, clinical, and therapeutic characteristics". Clin Rheumatol. 36 (2): 445–449. doi:10.1007/s10067-016-3367-x. PMID 27475793.