Diagnostic criteria of Churg-Strauss Syndrome
American College of Rheumatology 1990 criteria for Churg-Strauss syndrome
The presence of 4 or more of the manifestations below is
highly indicative of Churg-Strauss syndrome:
- Asthma
- Eosinophilia (10% on WCC differential)
- Mononeuropathy or polyneuropathy
- Migratory or transient pulmonary infiltrates
- Systemic vasculitis (cardiac, renal, hepatic)
- Extravascular eosinophils on a biopsy including artery, arteriole or venule.
From the Taber's Cyclopedic Medical Dictionary 23rd Edition 2017:
- Adult-onset asthma: Asthma that begins after age 16, typically as a result of exposure to environmental pollution, occupational antigens, or tobacco smoke.
- Bakers’ asthma: A colloquial term for asthma caused by inhalation of airborne wheat proteins in occupational settings.
- Bronchial asthma: A common form of asthma due to hypersensitivity to an allergen. It is also called allergic asthma.
- Cardiac asthma: Asthma that results from heart disease, especially due to acute or chronic heart failure.
- Exercise-induced asthma: Asthma that occurs during physical exertion.
- Extrinsic asthma: Asthma triggered by an allergic (hypersensitivity) response to an antigen.
- Intrinsic asthma: It is thought to be due to some endogenous cause. Unlike extrinsic one, no external cause is found.
- Irritant-induced asthma: Asthma due to exposure to substances that inflame the airways or make them hyperreactive but without inducing an allergic reaction.
- Nocturnal asthma: In asthmatic patient, the symptoms increases during the sleep.
- Occupational asthma: Asthma resulting from exposures in the workplace to environmental dust, fibres, gases, smoke, sprays, or vapours.
- Stable asthma: When has been no increase in symptoms at least in the past four weeks. Or, no need for additional medication for the same time period.
- Unstable asthma: An increase in the symptoms during the past four weeks.
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