Is Kawasaki disease prone to recurrence?

Written by Yao Li Qin

Pediatrics

Updated on November 07, 2024

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Kawasaki disease is a common pediatric febrile, rash-causing illness, and once diagnosed, treatment must begin actively. Most cases of Kawasaki disease have a very good prognosis with standard treatment, but about 5% of children may experience temporary coronary artery abnormalities, and the recurrence rate of Kawasaki disease can reach 1% to 3%. Therefore, once a child is diagnosed with Kawasaki disease, it is essential to conduct follow-up throughout the treatment process. Follow-ups should be done at three months, six months, and one year after the onset of the disease in new cases. The purpose of the follow-up is mainly to assess the child's prognosis and evaluate the coronary arteries to see if there is any recurrence, so this follow-up work is very important.

Other Voices

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Written by Li Jiao Yan

Neonatology

1min 42sec

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Is Kawasaki disease scary?

Kawasaki disease, also known as mucocutaneous lymph node syndrome, is a common pediatric autoimmune disease. The pathogenesis of Kawasaki disease remains unclear, and its etiology is also unknown, mainly focusing on immune reactions, genetic susceptibility, and theories of pathogenic microbial infections. Its primary pathological change is systemic vasculitis, most commonly affecting the coronary arteries. Most cases of Kawasaki disease have a good prognosis, with recurrences seen in 1% to 2% of patients. After effective treatment, complications involving coronary artery damage are less common. However, untreated patients develop coronary artery aneurysms in 15%-25% of cases. These aneurysms often resolve on their own within two years of the illness, but often leave behind complications such as thickened vessel walls and reduced elasticity. Large aneurysms are less likely to resolve completely and often lead to thrombosis or narrowing of the vessel lumen. Kawasaki disease is also one of the common causes of acquired heart disease in children. Thus, if Kawasaki disease is detected early, timely treatment is necessary to avoid cardiac sequelae. After effective treatment, the prognosis is generally good. However, if there are complications like coronary artery damage or other heart issues, it may affect the child's quality of life and even lifespan.

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Written by Li Jiao Yan

Neonatology

48sec

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Is IgE high in Kawasaki disease?

Kawasaki disease, also known as mucocutaneous lymph node syndrome, has an unclear pathogenesis. It is speculated that certain components of infectious sources, such as superantigens, can activate CD30 T cells and CD40 ligand expression directly by binding with T cell antigen receptor fragments without going through mononuclear macrophages. Under the induction of carrier cells, there is polyclonal activation and reduced apoptosis of B08 cells, resulting in the production of large amounts of immunoglobulins such as IgG, IgM, IgA, and IgE, and cytokines. Therefore, the IgE levels in Kawasaki disease are elevated.

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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.

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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 Yan Xin Liang

Pediatrics

52sec

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Is Kawasaki disease characterized by eye discharge?

Kawasaki disease is an autoimmune vasculitis that can affect blood vessels throughout the body and various organs, but the most severe impact is typically on the coronary arteries, which can lead to dilation of the coronary arteries or the possibility of forming coronary artery aneurysms. The disease can cause conjunctival congestion, but this is a manifestation of aseptic conjunctivitis, meaning it does not cause, nor does it result in, purulent secretions, in other words, it does not cause eye discharge. Therefore, if a patient with Kawasaki disease has purulent eye discharge, it is possible that they have a concurrent bacterial conjunctivitis. Thus, generally, eyes affected by Kawasaki disease do not have eye discharge but may appear dry and red.