A case of microscopic polyangiitis associated with aortic valve insufficiency
- Authors
- Kim, Bae Keun; Park, So-Yeon; Choi, Chan-Bum; Kim, Tae-Hwan; Jun, Jae-Bum; Jang, Se Min; Park, Moon Hyang; Uhm, Wan-Sik
- Issue Date
- Apr-2013
- Publisher
- SPRINGER HEIDELBERG
- Keywords
- Microscopic polyangiitis; Aortic valve insufficiency; Anti-neutrophil cytoplasmic antibody; Vasculitis
- Citation
- RHEUMATOLOGY INTERNATIONAL, v.33, no.4, pp.1055 - 1058
- Indexed
- SCIE
SCOPUS
- Journal Title
- RHEUMATOLOGY INTERNATIONAL
- Volume
- 33
- Number
- 4
- Start Page
- 1055
- End Page
- 1058
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/163055
- DOI
- 10.1007/s00296-010-1639-3
- ISSN
- 0172-8172
- Abstract
- Microscopic polyangiitis (MPA) is an anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis characterized by inflammation of small-sized vessels. Although there have been some reports of ANCA-associated vasculitis presenting as aortitis syndrome, MPA rarely involves large-sized vessels such as the aorta. We report an unusual case of MPA combined with severe acute aortic valve insufficiency in a 56-year-old man. He initially presented with prolonged fever, skin rash, and rapidly progressive glomerulonephritis. P-ANCA and anti-myeloperoxidase (MPO) antibodies were positive, but the c-ANCA and anti-proteinase-3 antibodies were negative. Skin biopsy of the lower leg showed necrotizing arteritis. Kidney biopsy was also performed, which revealed diffuse necrotizing and crescentic glomerulonephritis (GN) consistent with pauci-immune ANCA-associated GN. Serial echocardiographic evaluations revealed aortic valve changes and worsening acute aortic valve insufficiency over a two-month period. Despite intensive treatment, our patient developed sudden cardiac arrest and died. Our patient demonstrated typical clinical features and histopathologic findings for systemic vasculitis and had a positive anti-MPO antibody, all of which were consistent with the diagnosis of MPA. Thus, MPA may have been the cause of acute aortic valve insufficiency in this case.
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