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PubMed1985

Estimation of antistreptococcal esterase in rheumatic fever and rheumatic heart disease.

In hemolytic streptococcal infection, a high ASE value in the absence of a rise in ASO has shown to occasionally occur. The relationship between ASO and ASE titers in rheumatic fever and rheumatic heart disease and the significance of these values was therefore studied. ASE values were measured by ASE Kit "Marupi" in 8 patients during the acute stage of rheumatic fever and in 9 patients with rheumatic heart disease, and then compared with the corresponding ASO values. Among the patients with rheumatic fever, a rise of ASO only was seen in 1 patient and a rise of ASE only was seen in another. In the remaining 6 patients, both ASE and ASO were elevated. Only in 1 patient with rheumatic heart disease was ASE found to be elevated.

Adolescent↗
PubMedDate not supplied

Awareness about sore-throat, rheumatic fever and rheumatic heart disease in a rural community.

This I.C.M.R. study was conducted in 74 villages of Chiraigaon block, Varanasi, U.P., during the period March 1983 and December 1986. Before and after health education awareness survey about sore throat, rheumatic fever and rheumatic heart disease was carried out by interviewing 315 persons by stratified random sampling. The study shows that there is significant increase in the knowledge about most of the symptoms, causes, consequences and preventive measures of sore throat, rheumatic fever and rheumatic heart disease. This paper highlights the importance of health education as a vital component of rheumatic heart disease control programme.

Awareness↗
PubMedDate not supplied

Rheumatic fever and rheumatic heart disease at the Department of Child Health, School of Medicine, University of North Sumatera/Dr. Pirngadi Hospital, Medan (1983-1985).

A retrospective study on rheumatic fever and rheumatic heart disease in children was conducted at the Department of Child Health, Dr. Pirngadi Hospital Medan, during 1983-1985. The patients consisted of 43 females and 30 males. Most of the patients were over 12 years of age. Of the 73 patients there were 60 patients (82.19%) accompanied by valvular disorders. The most frequent major criteria of Jones found in this study were carditis and polyarthritis. Thirty one patients (42.46%) had functional status (NYHA) of grade II-IV, and 43 patients (58.90%) had cardiomegaly. The major ECG findings were enlargement of the atria or ventricles and first degree AV block. Compliance was only achieved in 25 (34.24%) cases. Rheumatic fever and rheumatic heart disease still remain a challenge for the medical professionals to cope with in the region.

Child↗
PubMed1993

Epidemiology of rheumatic fever and rheumatic heart disease in a rural community in northern India.

The epidemiology of rheumatic fever and rheumatic heart disease in a rural community (total population 114,610) in northern India was studied by setting up a registry based on primary health care centres. Health workers and schoolteachers were trained to identify suspected patients in school and village surveys (121 villages). Medical specialists screened 5-15-year-olds (n = 31,200). The population was followed up for 3 years (from March 1988 to March 1991). All suspected and registered cases were investigated by serial echocardiography and Doppler ultrasonography at a tertiary care centre. A total of 102 cases were confirmed to have rheumatic fever/rheumatic heart disease (prevalence, 0.09%); 66 were aged 5-15 years (prevalence, 0.21%). A total of 48 patients (24 males, 24 females; mean age, 12.11 +/- 3.7 years) were diagnosed to have a possible first attack of rheumatic fever (incidence, 0.54 per 1000 per year). Arthritis was observed in 36 (75%) and carditis in 18 (37.5%) of cases. Prolapse of the anterior mitral leaflet into the left atrium occurred in 5 (22%) cases with carditis. Mitral regurgitation was observed in all 18 cases of carditis; over the period of observation it disappeared in three cases and progressed to mitral stenosis in a further three. A total of 22 patients (11 males, 11 females; mean age, 19.41 +/- 8.1 years) were registered as rheumatic fever recurrences, and 32 patients (18 females, 14 males; mean age, 22.1 +/- 10.1 years) had chronic rheumatic heart disease. Of those with recurrences, 9 (41%) had carditis and 11 (50%) had arthritis.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1984

Rheumatic fever and rheumatic heart disease at the Rotorua Hospital 1971-1982.

The case notes of all patients less than 30 years who had a discharge diagnosis of rheumatic fever or rheumatic heart disease and were admitted to Rotorua Hospital between January 1972 and April 1983 were examined. Information was analysed by computer and a register was begun locally on a card index system which may be computerised in future. There were 237 admissions involving 188 individuals with an average stay of 37 days. At least 63% of the 188 individual patients are known to have rheumatic heart disease. The average annual incidence for rheumatic fever was 20.1/100 000 with a Maori incidence in the 5-19 age group of 153.0/100 000. The incidence was significantly higher in areas where males had a lower income. The recurrence rate for rheumatic fever during the study period was 12.4%. It is recommended that the register should be continued to gather epidemiological data and to conduct an effective secondary prophylaxis programme using long acting intramuscular penicillin.

Adolescent↗
PubMed1989

Lymphocyte subsets in acute rheumatic fever and rheumatic heart disease.

Lymphocyte subsets in 53 patients with acute rheumatic fever and 78 patients with chronic rheumatic heart disease were compared with 20 normal control subjects and 39 patients suffering from uncomplicated streptococcal pharyngitis to obtain information about the pathogenesis of the disease. Twenty patients with rheumatic fever were followed for 24 weeks to evaluate changes occurring over the course of the disease. Total leukocyte and lymphocyte counts were increased in patients with rheumatic fever and to a lesser extent in those with rheumatic heart disease, when compared with controls. The difference between the two groups was significant. Patients with acute rheumatic fever had an increased number of B cells and a smaller increase in total T and T-helper-inducer (CD-4) cells. The proportion of B cells increased, while that of T-suppressor-cytotoxic (CD-8) cells fell. An increased number and proportion of B cells was also seen in patients with rheumatic heart disease. Total T and T-helper lymphocyte percentages and numbers were significantly higher in patients with rheumatic fever compared with those of patients with rheumatic heart disease. Follow-up studies at 6, 12, and 24 weeks revealed no significant differences from the entry point studies, although there was a trend toward reduction in the degree of derangement from normal values. Patients with uncomplicated streptococcal pharyngitis, however, did not show perturbations in the T-cell and T-subset counts. Our study suggests that the immunoregulatory defect in acute rheumatic fever is characterized by a relative reduction of suppressor T cells with an absolute increase in helper T cells and B cells, resulting in an increased cellular as well as humoral immune response.(ABSTRACT TRUNCATED AT 250 WORDS)

Acute Disease↗
PubMed1977

The changing picture of rheumatic fever.

Rheumatic fever has decreased in frequency and severity, but the disease has not been eradicated in this country, especially in low socioeconomic populations. Carditis is less common, and changes in the frequency of other rheumatic manifestations such as chorea has made the clinical diagnosis more difficult. Streptococcal antibody tests are still the most useful laboratory aid, but care must be taken against overinterpretation. The search for the answer to the pathogenesis puzzle continues. Until the nature of the disease is better understood, it is unlikely that rheumatic fever will be eradicated. In the meantime, however, the incidence of the disease can be reduced further by improved medical care for deprived populations.

Adolescent↗
PubMed2003

[Epidemiology of rheumatic fever].

Rheumatic fever is a systemic inflammatory sequel of the upper respiratory tract infection with beta-hemolytic group A streptococci. The disease is characterized by joint, heart and subcutaneous tissue inflammation and the nervous system involvement. The incidence of rheumatic fever decreased in the 20th century but periodical resurgences and local epidemics were reported. The disease is still a significant health problem in developing countries.

Diagnosis, Differential↗
PubMed1994

[What is happening to acute rheumatic fever?].

Rheumatic fever is an inflammatory disease of the heart, joints, central nervous system and subcutaneous tissues that develops after a nasopharyngeal infection by one of the group A beta-haemolytic streptococci. The pathogenesis remains an enigma. As the disease has been less florid and some of the more characteristic manifestations less common in developed countries, it has become more difficult to establish the diagnosis on clinical grounds. Rheumatic fever and its sequellae are still active in developing countries. Carditis is a dominant feature of this social disease. Renewed educational efforts concerning this preventable disorder are needed among both physicians and the public.

Acute Disease↗
PubMed1999

Current guidelines for the treatment of patients with rheumatic fever.

Rheumatic fever is a multisystem inflammatory disease that occurs as a delayed sequelae to group A streptococcal pharyngitis. The important clinical manifestations are migratory polyarthritis, carditis, chorea, subcutaneous nodules and erythema marginatum occurring in varying combinations. The pathogenesis of this disorder remains elusive: an antigenic mimicry hypothesis best explains the affliction of various organ systems after a lag period following pharyngeal infection. In its classic milder form, the disorder is largely self-limited and resolves without sequelae, but carditis may be fatal in severe forms of the disease. Chronic and progressive damage to the heart valves leads to the most important public health manifestations of the disease. Anti-inflammatory agents provide dramatic clinical improvement, but do not prevent the subsequent development of rheumatic heart disease. The role of corticosteroids in treatment of carditis is uncertain and controlled studies have failed to demonstrate improved long term prognosis. Chorea, once considered a benign self-limited disease, is now felt to require more aggressive treatment, in particular with sedatives. Prevention of first and subsequent attacks of rheumatic fever is the mainstay in the limited arsenal available to alter the natural history of this disease.

Humans↗
PubMed1997

Immunologic and clinical correlations in rheumatic fever and rheumatic heart disease.

The intimate relationship of Streptococcus pyogenes and rheumatic fever is well-established, but the precise pathogenesis of rheumatic fever and rheumatic heart disease continues to elude intense investigative efforts by students of the disease worldwide. Technologic advances in molecular biology, not thought possible two decades ago, have given additional insight into the immunologic aspects of the disease. On the clinical side echocardiography has proved to be a marvelous, non-invasive technique to evaluate cardiac anatomy and function. We are now able to gain a closer correlation of the clinical presentation and the autoimmune response. The increased understanding acquired both from the "bench" and the "bedside" are making this perplexing disease somewhat less mysterious. We seem tantalizingly close to grasping a complete understanding of the pathogenesis of rheumatic fever and rheumatic heart disease.

Antibodies↗
PubMedDate not supplied

Did scarlet fever and rheumatic fever exist in Hippocrates' time?

Case histories recorded by Hippocrates around 400 B.C. describe the clinical manifestations of scarlet fever and rheumatic fever, although the entities are not identified by name. Although the descriptions are not as detailed or complete as they would be today, they strongly suggest the existence of scarlet fever and rheumatic fever at that time. Hippocrates' references to these illnesses were presumably the first to be documented and/or discovered, as a thorough search of the worldwide medical literature revealed no prior descriptions.

Greece, Ancient↗
PubMedDate not supplied

Prevalence of rheumatic fever and rheumatic heart disease in school children of Kathmandu city.

To find out the prevalence of rheumatic fever/rheumatic heart disease in an urban area, a survey of school children aged between 5 to 16 years studying in randomly selected government schools in Kathmandu city was done. Out of 4984 students enrolled in the study 4736 were examined, the percentage of absentees being five. Revised Jones Criteria (1992) was used for the diagnosis of rheumatic fever. Diagnosis of rheumatic heart disease was confirmed only after Doppler echocardiography in suspected cases. A total of six cases of definite rheumatic heart disease (out of 13 suspected cases) were identified giving overall prevalence rate of 1.2 per 1000. Fifty percent rheumatic heart disease cases gave a history suggestive of rheumatic fever. No case of active rheumatic fever could be identified. The study gave lower result than that reported in most earlier studies from developing countries but it is similar to that reported from rural Kathmandu in 1991. It is concluded that there is some downward trend in rheumatic fever/rheumatic heart disease prevalence but the low prevalence is also due to the use of Doppler echocardiography which has prevented overdiagnosis in the present study. We feel that there is an urgent need to launch a National Programme for the control of rheumatic fever/rheumatic heart disease in Nepal with emphasis on primary and secondary prophylaxis of the disease.

Adolescent↗
PubMed1986

HLA, blood groups and secretor status in patients with established rheumatic fever and rheumatic heart disease.

The distribution of HLA-A, -B and -DR antigens as well as blood groups and secretor status was studied in sporadic, North Indian patients of rheumatic fever and rheumatic heart disease. While HLA-Aw33 occurred with an increased frequency in the patient group (X2 = 4.01), no statistically significant differences were observed in the frequency of B-locus antigens. In the DR locus, HLA-DR3 was found to be significantly increased (50% vs 26.1%, X2 = 13.8) and DR2 significantly reduced (21.8% vs 47.0%, X2 = 15.6). Also, there was a preponderance of non-'O' blood group individuals in the patient group as compared to controls. The DR3 association was significant only in those patients of RHD who did not have any previous history of rheumatic fever. These results indicate that susceptibility to rheumatic heart disease is HLA-class II mediated, with HLA-DR3 influencing susceptibility and DR2 conferring protection.

ABO Blood-Group System↗
PubMed2003

Patient views on the management of rheumatic fever and rheumatic heart disease in the Kimberley: a qualitative study.

OBJECTIVE: To describe, from a patient perspective, factors leading to suboptimal management of individuals with rheumatic fever (RF) and rheumatic heart disease (RHD) among members of the Kimberley population. METHOD: Qualitative in-depth semistructured and repeated interviews of seven Kimberley patients, or parents of children, with rheumatic fever and/or rheumatic heart disease, during 1998. RESULTS: Participants showed variable levels of understanding about RF/RHD, often relating to the need for secondary prophylaxis. Compliance with medication was closely linked with positive patient-staff interactions. From the perspective of health care, living in a remote location was frequently described as a negative influence. Participants desire more accessible and culturally appropriate opportunities for learning about their disease. CONCLUSIONS: Participants focused on issues closely related to effective and ineffective management of RF/RHD. The lessons learned are indicators for health staff attempting to improve the quality of management that people receive.

Adolescent↗
PubMedDate not supplied

Prevalence of rheumatic fever and rheumatic heart disease in school children in a rural community of the hill region of Nepal.

A survey of school children aged 5 to 16 years living in a rural community of the hill region of Nepal, situated about 15-22 km outside Kathmandu city, was conducted to determine the prevalence of rheumatic fever (RF) and rheumatic heart disease (RHD). Of the 4,816 eligible children enrolled in the selected schools, 4,452 (92.4%) were examined. WHO expert committee criteria (1966) was used for the diagnosis and classification of rheumatic fever. Chest x-ray, electro-cardiography, echocardiography and Doppler study were done in all suspected cases of rheumatic heart disease. Six cases of RHD (1 pure mitral stenosis, 3 mitral regurgitation and 2 combined mitral stenosis and regurgitation) were identified giving overall prevalence rate of 1.35 per thousand. No case with active rheumatic fever could be identified. This is the first study on prevalence of RF/RHD in Nepal. The prevalence rate is lower than that reported from neighbouring countries.

Adolescent↗
PubMed1996

Echocardiographic evaluation of patients with acute rheumatic fever and rheumatic carditis.

BACKGROUND: Cardiac involvement is the most important component of acute rheumatic fever. The role of echocardiography in the evaluation of rheumatic carditis has not been adequately defined. We used echocardiography in a large sample of patients with acute rheumatic fever to describe morphological abnormalities associated with rheumatic carditis and to assess its role in the diagnosis of rheumatic carditis. METHODS AND RESULTS: Cross-sectional and color Doppler echocardiographic examination was performed in 108 consecutive patients with acute rheumatic fever within 24 to 48 hours of diagnosis. Twenty-eight patients had acute rheumatic fever without clinical evidence of carditis (group 1). Thirty-five patients had a presumed first episode of rheumatic carditis (group 2), and 45 patients had a recurrence of carditis (group 3). Patients in group 1 did not demonstrate any evidence of valvular regurgitation. Mitral regurgitation was the most common Doppler echocardiographic feature in groups 2 (94%) and 3 (84%). Valvular thickening with or without restriction of leaflet mobility was frequently seen in rheumatic carditis. One of every 4 patients with rheumatic carditis demonstrated echocardiographic presence of focal valvular nodules. These nodules were found on the body and the tips of the mitral valve leaflets and disappeared on follow-up. Ventricular dilatation (group 2, 54%; group 3, 74%) and restriction of leaflet mobility (group 3, 37%) were common mechanisms of mitral regurgitation in rheumatic carditis; valve prolapse (group 2, 9%; group 3, 16%) and annular dilatation (group 2, 12%; group 3, 21%) were infrequent. The majority of patients with rheumatic carditis had normal left ventricular systolic function. Congestive heart failure (group 2, 17%; group 3, 40%) was invariably associated with the presence of hemodynamically significant valve lesions. On follow-up, no patient in group 1 developed valvular regurgitation. In group 2 patients, a progressive decrease in left ventricular dimensions was observed without any change in ventricular fractional shortening. Valvular regurgitation remained unchanged in 69% of patients, decreased in 22%, and disappeared in 9%. CONCLUSIONS: In patients with rheumatic carditis, the mitral valve is most often involved and mitral regurgitation is the most common finding on color flow imaging. Mitral regurgitation in rheumatic carditis is related to ventricular dilatation and/or restriction of leaflet mobility. Rheumatic carditis does not result in congestive heart failure in the absence of hemodynamically significant valve lesions. In a quarter of patients with rheumatic carditis, we observed valve nodules that may represent echocardiographic equivalents of rheumatic verrucae. Our study failed to reveal any incremental diagnostic utility of echocardiography and Doppler color flow imaging in rheumatic fever without clinical evidence of carditis.

Acute Disease↗
PubMed1972

Rheumatic fever and rheumatic heart disease in Barbados: detection and prophylaxis.

The objectives of this study were to improve our methods of secondary prophylaxis of rheumatic fever and rheumatic heart disease in Barbados, to estimate the overall prevalence of these diseases and the relative load imposed by them on available health services, and to measure the yield, feasibility, and effectiveness of mass programmes for the detection and prophylactic management of rheumatic heart disease in schoolchildren.Improved methods of surveillance and follow-up resulted in 97% adherence to therapy by patients on prophylactic penicillin. Thirty-four children, 27 with a first attack, were admitted with acute rheumatic fever, representing a 7% occupancy of children's medical beds during the 12-month period of the study. Out of a possible 3,942 schoolchildren aged 5-11 years, 3,882 (98%) were screened for rheumatic heart disease. Four cases (about 1 per 1,000) were discovered.

Acute Disease↗