Kawasaki disease causes

Written by Yao Li Qin

Pediatrics

Updated on February 10, 2025

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Kawasaki disease, also known as mucocutaneous lymph node syndrome, is an immune-mediated systemic vasculitis syndrome and a relatively common pediatric febrile rash disease. To date, the etiology of Kawasaki disease is not entirely clear. Extensive epidemiological and clinical observations suggest that Kawasaki disease may be an acute immune dysregulation caused by infectious factors. Genetic factors are also related to the occurrence of Kawasaki disease. Various bacteria, viruses, mycoplasma, and their metabolic products, such as superantigens produced by Streptococcus and Staphylococcus, are also related to the development of Kawasaki disease.

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Written by Li Jiao Yan

Neonatology

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How long to take aspirin for Kawasaki disease

The current pathogenesis of Kawasaki disease is not yet clear, but one of its main pathological changes is a systemic vasculitis. During an outbreak of Kawasaki disease, the blood viscosity increases primarily due to platelet aggregation. Typically, oral aspirin is administered to prevent this inflammation and to treat platelet aggregation. The dosage is generally reduced gradually once the fever subsides, with maintenance doses lasting about six to eight weeks. If coronary artery lesions are present, the duration of medication is extended until the coronary arteries return to normal before discontinuing the drug.

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Written by Li Jiao Yan

Neonatology

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Does Kawasaki disease cause a runny nose?

Kawasaki disease, also known as mucocutaneous lymph node syndrome, primarily presents with repeated high fevers that do not respond to antibiotics, conjunctival congestion, diffuse oral congestion, chapped and congested lips, polymorphic erythema and scarlatiniform rashes on the skin, and unilateral or bilateral cervical lymphadenopathy. The cause of Kawasaki disease remains unclear, but studies suggest that respiratory or gastrointestinal infections may be common prodromal symptoms, indicating that the onset might be related to infections, though no contagious phenomena have been identified to date. Kawasaki disease might show prodromal signs such as upper respiratory infections, characterized by symptoms like a runny nose and cough, or gastrointestinal symptoms such as diarrhea and vomiting, which suggests that a runny nose might be a manifestation of Kawasaki disease.

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Written by Li Jiao Yan

Neonatology

50sec

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Kawasaki disease peeling symptoms

Kawasaki disease is a disease with unclear etiology and unclear pathogenesis of the autoimmune system. Its main pathological change is systemic vasculitis, commonly occurring in the coronary arteries. At the onset, symptoms in the hands and feet include stiff swelling and erythema during the acute phase. In the recovery phase, membranous peeling occurs at the junction of the skin and the nail base of fingers and toes, and there are transverse grooves in the nails. In severe cases, the nails of the fingers and toes may also fall off. Additionally, its skin manifestations include polymorphic skin plaques and scarlet fever-like rashes, which commonly appear in the first week of the disease, with redness and peeling of the skin around the anus.

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Written by Li Jiao Yan

Neonatology

54sec

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Does Kawasaki disease affect lifespan?

Kawasaki disease, also known as mucocutaneous lymph node syndrome, has an unclear pathogenesis. Its pathological changes primarily involve a systemic circulatory disease characterized by vasculitis. A severe complication can lead to cardiac lesions. Generally, Kawasaki disease is self-limiting and most cases have a good prognosis. However, if Kawasaki disease is not effectively treated and results in associated coronary artery aneurysms or large artery aneurysms, it could lead to acquired heart disease. Such cardiac issues could potentially affect cardiac function later on. This might impact lifespan, but if Kawasaki disease is treated aggressively and effectively, the prognosis is good and the impact on future health is minimal.

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Written by Li Jiao Yan

Neonatology

1min 45sec

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Can Kawasaki disease heal itself?

Kawasaki disease, also known as mucocutaneous lymph node syndrome, is a disease with unclear etiology and unclear pathogenesis. It commonly affects infants and young children, with 80% of cases occurring in children under five years old, and the male to female incidence ratio being 1.5:1. Kawasaki disease is a self-limiting disease, and most cases have a good prognosis. Recurrences are seen in 1%-2% of affected children. Children without coronary artery lesions also need a comprehensive physical examination, generally recommended at one month, three months, six months, and annually or biannually for up to two years, including physical examination, electrocardiogram, and echocardiography. Without effective treatment, 15%-20% of affected children may develop coronary artery aneurysms, and they should be closely followed long-term, with follow-up every six to twelve months. Coronary artery aneurysms often resolve themselves within two years after the disease, but often leave behind abnormalities such as thickened vessel walls and reduced elasticity. Large aneurysms often do not completely resolve and may lead to thrombosis or narrowing of the vessel lumen. Kawasaki disease is also a cause of acquired heart disease, so timely and effective treatment is essential to prevent cardiac issues. Once Kawasaki disease develops, it is advised to seek prompt hospital treatment to manage the condition effectively.