Article ; Online: Immune and non-immune mechanisms that determine vasculitis and coronary artery aneurysm topography in Kawasaki disease and MIS-C.
2022 Volume 22, Issue 2, Page(s) 103240
Abstract: The overlap between multisystem inflammatory syndrome in children (MIS-C) and Kawasaki disease (KD) including coronary artery aneurysms (CAA) and broadly shared gastrointestinal and mucocutaneous disease is poorly defined. In this perspective, we ... ...
| Abstract | The overlap between multisystem inflammatory syndrome in children (MIS-C) and Kawasaki disease (KD) including coronary artery aneurysms (CAA) and broadly shared gastrointestinal and mucocutaneous disease is poorly defined. In this perspective, we highlight common age-related extravascular epicardial microanatomical and immunological factors that might culminate in CAA expression in both MIS-C and KD. Specifically, the coronary vasa vasorum originates outside the major coronary arteries. Widespread inflammation in the epicardial interstitial compartment in shared between KD and MIS-C. Age-related changes in the neonatal and immature coronary vasculature including the impact of coronary artery biomechanical factors including coronary vessel calibre, age-related vessel distensibility, flow, and vessel neurovascular innervation may explain the decreasing CAA frequency from neonates to older children and the virtual absence of CAA in young adults with the MIS-C phenotype. Other KD and MIS-C features including mucocutaneous disease with keratinocyte-related immunopathology corroborate that disease phenotypes are centrally influenced by inflammation originating outside vessel walls but a potential role for primary coronary artery vascular wall inflammation cannot be excluded. Hence, common extravascular originating tissue-specific responses to aetiologically diverse triggers including superantigens may lead to widespread interstitial tissue inflammation characteristically manifesting as CAA development, especially in younger subjects. Given that CAA is virtually absent in adults, further studies are needed to ascertain whether epicardial interstitial inflammation may impact on both coronary artery physiology and cardiac conduction tissue and contribute to cardiovascular disease- a hitherto unappreciated consideration. |
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| MeSH term(s) | Humans ; Mucocutaneous Lymph Node Syndrome/complications ; Coronary Vessels/pathology ; Coronary Aneurysm/complications ; Coronary Aneurysm/pathology ; Inflammation/pathology |
| Language | English |
| Publishing date | 2022-12-07 |
| Publishing country | Netherlands |
| Document type | Journal Article ; Review |
| ZDB-ID | 2144145-5 |
| ISSN | 1873-0183 ; 1568-9972 |
| ISSN (online) | 1873-0183 |
| ISSN | 1568-9972 |
| DOI | 10.1016/j.autrev.2022.103240 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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