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Query: UMLS:C0018799 (heart disease)
 34,133 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Kawasaki disease (KD) is a leading cause of acquired heart disease of childhood. The authors retrospectively reviewed cases of KD in major referral centers of central Northeast Thailand from July 1991 to June 2003. Seventy-three episodes occurring in 72 patients were diagnosed with KD by the American Heart Association criteria with a mean age of presentation of 27 +/- 19 months. The annual incidence was 2.2 per 100,000 children < 5 years of age. Coronary artery abnormalities (CAA) were found in 15 (20.5%) children. Nine patients (18%) who were diagnosed before 10 days were not treated with intravenous immunoglobulin (IVIG). Two (13%) of the 15 patients still had coronary lesions at the end of the follow-up period of 35.5 +/- 13.4 months. Index of suspicious should be maintained in children who had clinical signs of KD for early diagnosis and prompt treatment with IVIG.
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PMID:Kawasaki disease in central area of Northeast Thailand. 1547 Dec 91

Kawasaki disease (mucocutaneous lymph node syndrome) is a syndrome of generalised vasculitis and is the leading cause of acquired heart disease in children. Coronary arterial abnormalties occur in 20% of cases, with coronary artery aneurysms being the most predominant vascular abnormality in this condition. Although death may occur secondary to thrombotic coronary artery occlusion usually within the first year of the illness, myocardial infarction may occur several years after the onset of the disease. Here, we report a case of a young man presenting with ischaemic chest pain, an ECG suggestive of an anteroseptal infarction and a childhood illness consistent with Kawasaki disease.
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PMID:A young man with myocardial infarction and a calcified coronary artery aneurysm on chest radiography. 1560 71

Coronary artery aneurysms are uncommon and the prevalence in patients undergoing coronary artery angiography is 1.5-4.9%. The most common cause of coronary artery aneurysm is arteriosclerosis, followed by Kawasaki disease, periarteritis nodosa, systemic lupus erythematosus, syphilis, rheumatic fever, congenital heart disease and trauma. Most coronary aneurysms remain asymptomatic. Patients may present symptoms of angina or myocardial infarction due to thrombosis within the aneurysm. This would lead to occlusion of the coronary artery or to distal thromboembolisms. There is no consensus on how to manage coronary artery aneurysms. Medical therapies include aspirin as well as warfarin. Surgery may be performed in patients with a large aneurysm, i.e. when the risk of rupture or thrombosis is high. We present a 60-year-old female patient with symptoms of a transient ischaemic attack followed by a period of fever, nausea, vomiting and ecchymoses on the lower extremity. Transthoracic and transoesophageal echocardiography was suggestive of a tumour located at the basis of the lateral wall of the right atrium. Heart surgery revealed, however, a large right coronary aneurysm and an atrial septum defect of the secundum type.
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PMID:[A 60-year-old woman with asthenia and dyspnoea]. 1576 62

Kawasaki disease (KD) is a systemic vasculitis of childhood with a predilection for the coronary arteries. It is the predominant cause of paediatric acquired heart disease in developed countries. The aetiology of KD remains unknown and consequently there is no diagnostic test. The diagnosis is made using a constellation of clinical criteria that in isolation have poor sensitivity and specificity. Early treatment prevents overt coronary artery damage in the majority of children. The long-term effects of childhood KD on later cardiovascular health remain unknown. A recent study showed that treatment of KD in Australia is suboptimal, with late diagnosis occurring in approximately half of the cases and an unacceptably high incidence of acute cardiac involvement. These guidelines highlight the difficulties in the diagnosis of KD and offer some clues that may assist early recognition of this important paediatric disease. They also detail current treatment recommendations and the evidence on which they are based. Increased awareness of the epidemiology and spectrum of the clinical presentation of KD is essential for early recognition and optimal management.
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PMID:The diagnosis and management of Kawasaki disease. 1579 Mar 16

To evaluate whether transthoracic Doppler echocardiography can reliably measure coronary flow velocity and coronary flow velocity reserve (CFVR) in the posterior descending coronary artery (PD) in children, we examined 32 patients who had congenital heart disease (ventricular septal defect in 10, tetralogy of Fallot in 6, tricuspid atresia in 3, double-outlet right ventricle in 2, patent ductus arteriosus in 2, and aortic valve stenosis in 2) and 7 patients who had a history of Kawasaki disease without stenosis or aneurysm formation of the coronary artery. Average peak flow velocity (APV) in the PD was measured by transthoracic Doppler echocardiography at the time of intracoronary Doppler study. CFVR was defined as the ratio of hyperemic to basal APV. Clear envelopes of basal and hyperemic APV in the PD were obtained in 23 of 32 patients by transthoracic Doppler echocardiography. APV obtained from transthoracic Doppler echocardiography correlated highly with that from the Doppler guidewire method (r=0.91). The mean difference between transthoracic Doppler echocardiography and the Doppler guidewire method was 0.1+/-2.9. There was an excellent correlation between transthoracic Doppler echocardiography and the Doppler guidewire method for the measurements of CFVR (r=0.84). The mean difference between transthoracic Doppler echocardiography and Doppler guidewire was -0.016+/-0.198. Noninvasive measurement of coronary flow velocity and CFVR in the PD using transthoracic Doppler echocardiography accurately reflects invasive measurement of coronary flow velocity and CFVR by the Doppler guidewire method in pediatric patients with various heart diseases.
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PMID:Posterior descending coronary artery flow reserve assessment by Doppler echocardiography in children with and without congenital heart defect: comparison with invasive technique. 1579 24

Coronary artery ectasia (CAE) is an uncommon form of coronary artery disease. It has been reported in association with a variety of pathological conditions, such as isolated congenital heart disease and Kawasaki disease. CAE is more relevant in young adults with multiple predisposing risk factors, especially familial hypercholesterolemia, and is usually considered a form of atherosclerotic coronary artery disease. A case of CAE is reported with familial hypercholesterolemia and diffuse ectasia of the coronary vessels in association with anomalous origin of the left circumflex coronary artery, which lacked ectatic segments. This combination has not been reported previously.
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PMID:Rare association of diffused coronary ectasia and anomalous origin of left circumflex coronary artery in a man with heterozygous familial hypercholesterolemia: a case report. 1588 5

Kawasaki disease (KD) is an important and common inflammatory vasculitis of early childhood with a striking predilection for the coronary arteries. It is the predominant cause of paediatric acquired heart disease in developed countries. Despite 40 years of research, the aetiology of KD remains unknown and consequently there is no diagnostic test and treatment is non-specific and sub-optimal. The consensus is that KD is due to one or more widely distributed infectious agent(s), which evoke an abnormal immunological response in genetically susceptible individuals. The epidemiology of KD has been extensively investigated in many populations and provides much of the supporting evidence for the consensus regarding etiology. These epidemiological data are reviewed here, in the context of the etiopathogenesis. It is suggested that these data provide additional clues regarding the cause of KD and may account for some of the continuing controversies in the field.
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PMID:Kawasaki disease: what is the epidemiology telling us about the etiology? 1593 70

Kawasaki disease (KD) is the leading cause of acquired pediatric heart disease in North America and Japan. Cardiac sequelae, such as coronary artery aneurysms and myocardial infarction, are the major causes of the morbidity and mortality associated with KD. Three case scenarios are described illustrating the wide range of clinical presentations of myocardial ischemia in children after acute KD, varying from asymptomatic to fatal myocardial infarction. In addition, the present paper provides a review of the literature on myocardial infarction in association with KD and various modalities of coronary artery revascularization in children with myocardial ischemia secondary to KD.
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PMID:Kawasaki disease, myocardial infarction and coronary artery revascularization. 1594 Mar 59

The Cochrane Collaboration provides growing and readily accessible resources to help ensure that medical decision-making is based on detailed, methodical, and up-to-date reviews of the best available evidence. We analyzed systematic reviews in the field of pediatric cardiology published by the Cochrane Collaboration's 50 Collaborative Review Groups. We found a total of 20 systematic reviews: 13 published by the Cochrane Neonatal Group, 6 by the Cochrane Heart Group, and 1 by the Cochrane Peripheral Vascular Disease Group. Systematic reviews in pediatric cardiology appear infrequently. They only concern evidence-based decision-making in the therapeutic management of patent ductus arteriosus and arterial hypotension in preterm infants, and in the management of children with Kawasaki disease. The quality of the clinical trials contained in the systematic reviews of acute rheumatic fever or obesity in children is limited. Consequently, the reviewers' conclusions provide an inadequate basis for inferring probable effects in clinical practice. In pediatric cardiology, many therapies continue to be used without supportive evidence. We found no systematic reviews of important cardiologic topics in childhood such as heart failure, shock, hypertension, congenital cardiopathy, and arrhythmia. Clinical practice guidelines complement systematic reviews, which can recommend only strategies that are supported by strong evidence or suggest further research when scientific evidence is inadequate.
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PMID:[Usefulness of Cochrane Collaboration for pediatric cardiology]. 1618 20

Children who have heart disease may present to the emergency department (ED) in many stages of life with a range of cardiovascular manifestions, from minimally irritating palpitations to the life-threatening derangements of shock or lethal dysrhythmia. They can present with congenital heart disease, after a temporizing procedure has been performed or after their definitive repair. Children can also present with fever, weakness, dyspnea, syncope, or chest pain; alternatively, children may present to the ED with active dysrhythmia, pulmonary edema, or cardiogenic shock . These symptoms and presentations may result from Kawasaki disease,hypertrophic cardiomyopathy, or arrhythmia; therefore, emergency physicians must also be comfortable with the most common types of heart disease associated with these symptoms and presentations. The purpose of this article is to describe the physiology and presentation of undiagnosed congenital heart disease, to describe the complications that can occur after a staged or definitive repair,and to discuss acquired heart disease in children.
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PMID:Cardiovascular emergencies in the pediatric patient. 1619 47


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