Updated: Aug 6, 2009
In 1967, Tomisaku Kawasaki first described Kawasaki disease (KD) as a unique illness characterized by fever, rash, conjunctival injection, cervical lymphadenitis, inflammation of the lips and oral cavity, and erythema and edema of the hands and feet.[1 ]Kawasaki disease is a generalized vasculitis of unknown etiology that has also been called mucocutaneous lymph node syndrome and infantile periarteritis nodosa. In developed countries, Kawasaki disease has replaced acute rheumatic fever as the most common cause of acquired heart disease in children.
The vasculitis is most severe in medium-sized arteries but can also occur in veins, capillaries, small arterioles, and larger arteries.
In severely affected vessels, the media develops inflammation with necrosis of smooth muscle cells. The internal and external elastic laminae can split, leading to aneurysms. Four to 8 weeks after the onset of symptoms, inflammatory changes are less apparent and fibrous connective tissue begins to form within the vessel wall. The intima proliferates and thickens. The vessel wall eventually becomes narrowed or occluded owing to stenosis or a thrombus. Cardiovascular death usually occurs from a myocardial infarction secondary to thrombosis of a coronary aneurysm or from rupture of a large coronary aneurysm.
The vasculitis also affects other medium-sized vessels, including the renal, paraovarian, paratesticular, mesenteric, pancreatic, iliac, hepatic, splenic, and axillary arteries, resulting in systemic aneurysms.
The mean annual incidence in children of non-Asian descent is 10 cases per 100,000 children younger than 5 years, and the mean annual incidence in children of Asian descent is 44 cases per 100,000 children younger than 5 years.
In Japan, the mean annual incidence is 95 cases per 100,000 children younger than 5 years.
The disease is more common in Asian children, especially those of Japanese descent.
Diagnosis is based on established clinical diagnostic criteria, including severe fevers for 5 days and 4 of the 5 other signs listed below. Kawasaki disease is a diagnosis of exclusion, so other diseases with similar findings (see Differentials) must first be ruled out. Patients with fever who appear to have Kawasaki disease but do not meet criteria and have no other cause of their illness are said to have atypical or incomplete Kawasaki disease. Patients with fever duration of at least 5 days and fewer than 4 of the principal criteria can be diagnosed with Kawasaki disease when coronary artery abnormalities are revealed by an echocardiogram or an angiogram. In the presence of 4 or more of the criteria, this condition can be diagnosed on day 4 of fever.
Although the etiology of Kawasaki disease is unknown, the acute presentation and the clustering of cases suggest an infectious etiology. The production of various inflammatory cytokines, including interleukin-1 (IL-1), IL-6, tumor necrosis factor-alpha, and interferon gamma, is increased and may mediate vascular endothelial damage. Some cases of Kawasaki disease show familial susceptibility. Children in Japan who had had parents with Kawasaki disease seem to have a more severe form of this disease and are more susceptible to recurrence.[2 ]
Kawasaki disease likely has a genetic susceptibility. A genome-wide linkage analysis of affected sibling pairs was performed in Japan, and a multipoint linkage analysis identified evidence of linkage on chromosome 12q24.[3 ]
Acute Rheumatic Fever
Toxic Shock Syndrome
Scarlet fever
Staphylococcal scalded skin syndrome
Stevens-Johnson syndrome
Drug reaction
Juvenile rheumatoid arthritis
Measles
Mercury poisoning
Other viral exanthems
The main goal of treatment in Kawasaki disease is to prevent coronary artery disease and to relieve symptoms. Full doses of intravenous gamma globulin (IVIG) at 2 g/kg comprise the mainstay of treatment.
Aspirin has always been part of the traditional treatment of this disorder. Some studies suggest that high- or medium-dose aspirin may have no effect on the response rate of IVIG, duration of fever, or incidence of coronary artery aneurysms despite treatment before or after 5 days of therapy. Randomized controlled trial outcomes are insufficient to indicate whether children with this disorder should continue to receive salicylate as part of the treatment regimen.[6,7 ]
Corticosteroids have always been a controversial treatment of this disorder and not well studied. One multicenter prospective randomized trial in Japan was performed to determine if the addition of corticosteroids to IVIG would affect coronary artery abnormalities before the 1-month echocardiographic assessment, duration of fever, time to normalization of serum C-reactive protein levels, and the rate of initial treatment failure that requires additional therapy. The combination of corticosteroids and IVIG was found to significantly decrease coronary artery abnormalities, duration of fever, C-reactive protein levels, and initial treatment failure.[8 ]
Another randomized trial in the United States that added a single dose of methylprednisolone (30 mg/kg) to conventional therapy saw a reduction in the erythrocyte sedimentation rate at 1 week, but no difference in coronary artery abnormalities.[9 ]
Admit all patients to the hospital for administration of intravenous gamma globulin and for observation until fever is controlled.The goals of pharmacotherapy are to reduce morbidity and to prevent complications.
These agents are used to improve clinical and immunologic aspects of Kawasaki disease. They may decrease autoantibody production and increase solubilization and removal of immune complexes.
Reduces the prevalence of coronary abnormalities. Leads to rapid defervescence and more rapid normalization of acute-phase reactants.
2 g/kg IV infusion over 10-12 h; closely monitor vital signs during infusion
Administer as in adults
Antibodies in the globulin preparation may interfere with response to live viral vaccines (eg, measles, mumps, rubella); defer using live viral vaccines until approximately 3 mo after immunoglobulin administration; no known drug interactions
No absolute contraindication; IVIG-sensitive patients who are IgA deficient should receive IVIG preparations with no IgA
C - Fetal risk revealed in studies in animals but not established or not studies in humans; may use if benefits outweigh risk to fetus
Anaphylactic shock, aseptic meningitis, back pain, chills, diaphoresis, hypotension, injection site reaction, myalgia, nausea and vomiting may occur; consider checking serum IgA before IVIG and using IgA-depleted IVIG (G-Gard-SD) if indicated; IVIG may increase serum viscosity and thromboembolic events
These agents may reduce inflammatory reactions and may improve hemostatic parameters.
Aspirin is administered for its anti-inflammatory and antithrombotic effects.
Acute phase: 80-100 mg/kg/d PO in tid/qid doses
36 h after defervescence: 3-5 mg/kg/d PO qam; usually continue for 3 mo until erythrocyte sedimentation rate and platelet count return to normal; in Japan, clinicians generally use a lower antipyretic dose of 30-50 mg/kg/d
Administer as in adults
Do not administer if patient is consuming anticoagulants; effects may decrease with antacids and urinary alkalinizers; corticosteroids decrease salicylate levels, additive hypoprothrombinemic effects and increased bleeding time may occur with coadministration of anticoagulants; may antagonize effects of probenecid and increase toxicity of phenytoin and valproic acid; doses greater than 2 g/d may potentiate glucose-lowering effect of sulfonylurea drugs
Documented hypersensitivity; anemia; aspirin-sensitive asthma; bone marrow depression; breastfeeding; coagulopathy; G-6-PD deficiency; hepatic disease; hypoprothrombinemia; influenza; peptic ulcer disease; renal failure; surgery; tartrazine dye hypersensitivity; thrombocytopenia; urticaria; varicella; vitamin K deficiency
C - Fetal risk revealed in studies in animals but not established or not studies in humans; may use if benefits outweigh risk to fetus
Obtain aspirin level if vomiting, hyperpnea, lethargy, or liver function abnormalities develop; decrease risk of Reye syndrome by discontinuing if varicella or influenza occur; aspirin is associated with abdominal pain, agranulocytosis, angioedema, aplastic anemia, bleeding, bronchospasm, dizziness, dyspepsia, elevated hepatic enzyme levels, encephalopathy, erythema nodosum, GI bleeding, hepatitis, hyperuricemia, interstitial nephritis; maculopapular rash, nausea, vomiting, purpura, renal papillary necrosis, Reye syndrome, rhinitis, Stevens-Johnson syndrome, thrombocytopenia, tinnitus, toxic epidermal necrolysis, and urticaria
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Uehara R, Yashiro M, Nakamura Y, Yanagawa H. Clinical features of patients with Kawasaki disease whose parents had the same disease. Arch Pediatr Adolesc Med. Dec 2004;158(12):1166-9. [Medline].
Onouchi Y, Tamari M, Takahashi A, Tsunoda T, Yashiro M, Nakamura Y, et al. A genomewide linkage analysis of Kawasaki disease: evidence for linkage to chromosome 12. J Hum Genet. 2007;52(2):179-90. [Medline].
Goo HW, Park IS, Ko JK, Kim YH. Coronary CT angiography and MR angiography of Kawasaki disease. Pediatr Radiol. Jul 2006;36(7):697-705. [Medline].
Mavrogeni S, Papadopoulos G, Douskou M, Kaklis S, Seimenis I, Baras P, et al. Magnetic resonance angiography is equivalent to X-ray coronary angiography for the evaluation of coronary arteries in Kawasaki disease. J Am Coll Cardiol. Feb 18 2004;43(4):649-52. [Medline].
[Best Evidence] Baumer JH, Love SJ, Gupta A, Haines LC, Maconochie I, Dua JS. Salicylate for the treatment of Kawasaki disease in children. Cochrane Database Syst Rev. 2006;(4):CD004175. [Medline].
Hsieh KS, Weng KP, Lin CC, Huang TC, Lee CL, Huang SM. Treatment of acute Kawasaki disease: aspirin's role in the febrile stage revisited. Pediatrics. Dec 2004;114(6):e689-93. [Medline].
[Best Evidence] Inour Y, Okada Y, Shinohara M, Kobayashi T, Kobayashi T, Tomomasa T, et al. A multicenter prospective randomized trial of corticosteroids in primary therapy for Kawasaki disease: clinical course and coronary artery outcome. J Pediatr. Sep/2006;149(3):336-341. [Medline].
[Best Evidence] Newburger JW, Sleeper LA, McCrindle BW, Minich LL, Gersony W, Vetter VL, et al. Randomized trial of pulsed corticosteroid therapy for primary treatment of Kawasaki disease. N Engl J Med. Feb/2007;356(7):663-75. [Medline].
Anderson MS, Todd JK, Glode MP. Delayed diagnosis of Kawasaki syndrome: an analysis of the problem. Pediatrics. Apr 2005;115(4):e428-33. [Medline].
Baker AL, Lu M, Minich LL, Atz AM, Klein GL, Korsin R, et al. Associated symptoms in the ten days before diagnosis of Kawasaki disease. J Pediatr. Apr 2009;154(4):592-595.e2. [Medline].
Barron KS, Shulman ST, Rowley A, Taubert K, Myones BL, Meissner HC, et al. Report of the National Institutes of Health Workshop on Kawasaki Disease. J Rheumatol. Jan 1999;26(1):170-90. [Medline].
Burns JC, Best BM, Mejias A, Mahony L, Fixler DE, Jafri HS, et al. Infliximab treatment of intravenous immunoglobulin-resistant Kawasaki disease. J Pediatr. Dec 2008;153(6):833-8. [Medline].
Burns JC, Shike H, Gordon JB, Malhotra A, Schoenwetter M, Kawasaki T. Sequelae of Kawasaki disease in adolescents and young adults. J Am Coll Cardiol. Jul 1996;28(1):253-7. [Medline].
Feigin RD, Cecchin F. Disorders of Unknown Etiology: Kawasaki Disease. In: Oski's Pediatrics Principles and Practice. 3rd ed. 1999:924-32.
Friter BS, Lucky AW. The perineal eruption of Kawasaki syndrome. Arch Dermatol. Dec 1988;124(12):1805-10. [Medline].
Gerber MA, Baltimore RS, Eaton CB, Gewitz M, Rowley AH, Shulman ST, et al. Prevention of rheumatic fever and diagnosis and treatment of acute Streptococcal pharyngitis: a scientific statement from the American Heart Association Rheumatic Fever, Endocarditis, and Kawasaki Disease Committee of the Council on Cardiovascular Disease in the Young, the Interdisciplinary Council on Functional Genomics and Translational Biology, and the Interdisciplinary Council on Quality of Care and Outcomes Research: endorsed by the American Academy of Pediatrics. Circulation. Mar 24 2009;119(11):1541-51. [Medline].
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Kogulan P, Mbualungu E, Villanueva E. Kawasaki syndrome in an adult: case report and review of the literature in adolescents and adults. J Clin Rheumatol. 2001;7:194-8.
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Newburger JW, Takahashi M, Gerber MA, Gewitz MH, Tani LY, Burns JC, et al. Diagnosis, treatment, and long-term management of Kawasaki disease: a statement for health professionals from the Committee on Rheumatic Fever, Endocarditis, and Kawasaki Disease, Council on Cardiovascular Disease in the Young, American Heart Association. Pediatrics. Dec 2004;114(6):1708-33. [Medline].
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Taubert KA, Shulman ST. Kawasaki disease. Am Fam Physician. Jun 1999;59(11):3093-102, 3107-8. [Medline].
KD, Kawasaki syndrome, Kawasaki's syndrome, Kawasaki disease, Kawasaki's disease, mucocutaneous lymph node syndrome, infantile periarteritis nodosa, vasculitis, atypical KD, incomplete KD, atypical Kawasaki disease, incomplete Kawasaki disease, polymorphous rash, bilateral conjunctival injection, erythematous rash
Paul R Ogershok, MD, Allergist, Allergy, Asthma, and Immunology Clinic, Southwest Regional Medical Center
Paul R Ogershok, MD is a member of the following medical societies: American Academy of Allergy Asthma and Immunology, American Academy of Pediatrics, American College of Allergy, Asthma and Immunology, Pennsylvania Medical Society, and West Virginia State Medical Association
Disclosure: Nothing to disclose.
Martin Weisse, MD, Program Director, Associate Professor, Department of Pediatrics, West Virginia University
Martin Weisse, MD is a member of the following medical societies: Ambulatory Pediatric Association, American Academy of Pediatrics, and Pediatric Infectious Diseases Society
Disclosure: Nothing to disclose.
Kristine M Lohr, MD, MS, Program Director, Professor, Department of Internal Medicine, Division of Rheumatology and Women's Health, University of Kentucky School of Medicine
Kristine M Lohr, MD, MS is a member of the following medical societies: American College of Physicians, American College of Rheumatology, and American Medical Women's Association
Disclosure: Nothing to disclose.
Francisco Talavera, PharmD, PhD, Senior Pharmacy Editor, eMedicine
Disclosure: eMedicine Salary Employment
Lawrence H Brent, MD, Associate Professor of Medicine, Thomas Jefferson University; Chair, Program Director, Department of Medicine, Division of Rheumatology, Albert Einstein Medical Center
Lawrence H Brent, MD is a member of the following medical societies: American Association of Immunologists, American College of Physicians, and American College of Rheumatology
Disclosure: Genentech Honoraria Speaking and teaching; Genentech Grant/research funds Other; Amgen Honoraria Speaking and teaching; Wyeth Honoraria Speaking and teaching; Abbott Immunology Honoraria Speaking and teaching
Alex J Mechaber, MD, FACP, Associate Dean for Undergraduate Medical Education, Associate Professor of Medicine, University of Miami Miller School of Medicine
Alex J Mechaber, MD, FACP is a member of the following medical societies: Alpha Omega Alpha, American College of Physicians-American Society of Internal Medicine, and Society of General Internal Medicine
Disclosure: Nothing to disclose.
Herbert S Diamond, MD, Professor of Medicine, Temple University School of Medicine; Chairman Emeritus, Department of Internal Medicine, Western Pennsylvania Hospital
Herbert S Diamond, MD is a member of the following medical societies: Alpha Omega Alpha, American College of Physicians, American College of Rheumatology, American Medical Association, and Phi Beta Kappa
Disclosure: medifocus Honoraria Review panel membership; health dialogs Honoraria Consulting; West Penn Allegheny Health System None Board membership
Clinical trials
Infliximab Plus Intravenous Immunoglobulin for the Primary Treatment of Kawasaki Disease
Etiology Study of Kawasaki Disease
Etanercept in Kawasaki Disease
Infliximab (Remicade) for Patients With Acute Kawasaki Disease
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