So sánh phương pháp

	Chỉ số Tổn thương Viêm mạch (VDI)	Chỉ số Hoạt động Bệnh Viêm Cột Sống Dính Khớp (BASDAI)
Lĩnh vực	Thấp khớp học	Thấp khớp học
Họ	Process / pipeline	Process / pipeline
Năm ra đời	2003	1994
Người khởi xướng	Exley et al.	Garrett et al.
Loại	Clinician-rated	Patient-reported outcome (PRO)
Công trình gốc	Exley AR, Bacon PA, Luqmani RA, Kitas GD, Gordon C, Pusey CD, Savage CO. Development and initial validation of the Vasculitis Damage Index (VDI) for systemic vasculitis. Arthritis & Rheumatism. 2003;48(7):2146-2157.	Garrett S, Jenkinson T, Kennedy LG, Whitelock H, Gaisford P, Calin A. A new approach to defining disease status in ankylosing spondylitis: the Bath Ankylosing Spondylitis Disease Activity Index. The Journal of Rheumatology. 1994;21(12):2286-2291.
Tên gọi khác	VDI, Vasculitis Permanent Organ Damage Score	BASDAI, BAS-DAI
Liên quan	4	4
Tóm tắt	The VDI is a clinician-assessed measure of permanent organ damage in patients with systemic vasculitis, including ANCA-associated vasculitis (AAV), polyarteritis nodosa, and other necrotising vasculitides. Introduced by Exley et al. (2003), VDI captures cumulative irreversible damage across organ systems, complementing disease activity measures (such as the Birmingham Vasculitis Activity Score). Systemic vasculitis is characterised by inflammation of blood vessel walls, leading to ischaemia and permanent tissue damage. VDI acknowledges that damage accrues over time and is largely irreversible, making it a prognostically important measure distinct from transient inflammatory activity.	The BASDAI is a patient-reported outcome measure of disease activity in ankylosing spondylitis (AS), a chronic inflammatory arthropathy affecting the spine and axial skeleton. Introduced by Garrett et al. in 1994, BASDAI uses six simple patient self-report items focused on the cardinal symptoms of AS: fatigue, spinal pain, peripheral joint involvement, and morning stiffness. As a PRO measure, BASDAI is practical for routine monitoring, responsive to treatment, and strongly associated with clinical outcomes and spinal damage progression, making it a cornerstone outcome in AS management and clinical trials.