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Pediatric Rheumatic Fever Clinical Presentation

  • Author: Thomas K Chin, MD; Chief Editor: Lawrence K Jung, MD  more...
 
Updated: Jun 28, 2016
 

History

Acute rheumatic fever (RF) is a systemic disease. Thus, patients may present with a large variety of symptoms and complaints.

  • History of an antecedent sore throat 1-5 weeks prior to onset is present in 70% of older children and young adults. Only 20% of younger children can recall an antecedent sore throat.
  • Other symptoms on presentation may include fever, rash, headache, weight loss, epistaxis, fatigue, malaise, diaphoresis, and pallor.
  • Patients also may have chest pain with orthopnea or abdominal pain and vomiting.
  • Finally, history may reveal symptoms more specific to rheumatic fever.
    • Migratory joint pain
    • Nodules under the skin
    • Increased irritability and shortened attention span with personality changes, such as pediatric autoimmune neuropsychiatric disorder associated with streptococcal infections (PANDAS)
    • Motor dysfunction
    • History of previous rheumatic fever
  • Patients with previous rheumatic fever are at a high risk of recurrence.
    • Highest risk of recurrence within 5 years of the initial episode
    • Greater risk of recurrence with younger age at the time of the initial episode
    • Generally, recurrent attacks similar to the initial attack (however, risk of carditis and severity of valve damage increase with each attack)
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Physical

Revised in 1992 and again in 2016, the modified Jones criteria provide guidelines for making the diagnosis of rheumatic fever.[9, 10] The Jones criteria differentiate between low risk populations (incidence of acute rheumatic fever in ≤2 per 100,000 school-aged children or all-age rheumatic heart disease prevalence of ≤1 per 1000 population per year), vs. moderate and high risk populations (where the groups may experience an incidence of 153 to 380 cases per 100,000 patients per year in the 5-14 year old age group).[11] .  The new criteria also include a role for echocardiography in addition to a clinical assessment of the heart for a diagnosis of carditis.  The new guidelines are in closer alignment with other international guidelines such as those from the World Health Organization.

The modified Jones criteria for initial acute rheumatic fever require the presence of 2 major, or 1 major and 2 minor criteria for the diagnosis of rheumatic fever.

The modified Jones criteria for recurrent rheumatic fever require the presence of 2 major, or 1 major and 2 minor, or 3 minor criteria for the diagnosis of rheumatic fever.

Having evidence of previous group A streptococci pharyngitis is also necessary.  An exception to the requirement for evidence of previous group A streptococci pharyngitis can be made in patients with chorea and clinical or subclinical (echo diagnosis) evidence of carditis. When minor manifestations alone are present, the exclusion of other more likely causes of the clinical presentation is recommended before a diagnosis of an acute rheumatic fever recurrence is made.

  • Major diagnostic criteria
    • Carditis-clinical and/or subclinical (echo)
    • Polyarthritis (monoarthritis or polyarthralgia are adequate to achieve a major diagnostic criteria in Moderate/High-risk populations; for polyarthralgia exclusion of other more likely causes is also required)
    • Chorea
    • Subcutaneous nodules
    • Erythema marginatum
  • Minor diagnostic criteria
    • Fever ≥38.5C (≥38C to achieve a minor diagnostic criteria in Moderate/High-risk populations)
    • Polyarthralgia (Monoarthralgia is adequate to achieve a minor diagnostic criteria in Moderate/High-risk populations)
    • Prolonged PR interval for age on electrocardiography
    • Elevated peak erythrocyte sedimentation rate during acute illness ≥60 mm/h and/or C-reactive protein ≥3.0 mg/dl
  • Notable exceptions to strict adherence to the Jones criteria
    • Chorea: It may occur late and be the only manifestation of rheumatic fever, thus it may be impossible to document previous group A streptococci pharyngitis.
    • Indolent carditis: Patients presenting late to medical attention months after the onset of rheumatic fever may have insufficient support to fulfill the criteria.
    • Newly ill patients with a history of rheumatic fever, especially rheumatic heart disease who have supporting evidence of a recent GAS infection and who manifest either a single major or several minor criteria: Distinguishing recurrent carditis from preexisting significant RHD may be impossible.
  • Evidence of previous GAS pharyngitis (One of the following must be present):
    • Positive throat culture or rapid streptococcal antigen test
    • Elevated or rising streptococcal antibody titer (anti-streptolysin O titer or anti-DNASEB)
  • Major clinical manifestations
    • Arthritis
      • Polyarthritis is the most common symptom and is frequently the earliest manifestation of acute rheumatic fever (70-75%).
      • Characteristically, the arthritis begins in the large joints of the lower extremities (ie, knees, ankles) and migrates to other large joints in the lower or upper extremities (ie, elbows, wrists).
      • Affected joints are painful, swollen, warm, erythematous, and limited in their range of motion. The pain is out of proportion to clinical findings.
      • The arthritis reaches maximum severity in 12-24 hours and persists for 2-6 days (rarely more than 4 wk, but has been reported to persist 44 d) at each site and is migratory but not additive.
      • The arthritis responds rapidly to aspirin, which decreases symptoms in affected joints and prevents further migration of the arthritis.
      • Polyarthritis is more common and more severe in teenagers and young adults than in younger children.
      • Patients suffering multiple attacks may exhibit destructive arthritis (Jaccoud arthritis).
    • Carditis
      • Pancarditis is the most serious complication and the second most common complication of rheumatic fever (50%).
      • In advanced cases, patients may experience of dyspnea, mild-to-moderate chest discomfort, pleuritic chest pain, edema, cough, or orthopnea.
      • Upon physical examination, carditis is most commonly revealed by a new murmur and tachycardia that is out of proportion to the fever. New or changing murmurs traditionally have been considered necessary for a diagnosis of rheumatic valvulitis. The murmurs of acute rheumatic fever are from valve regurgitation, and the murmurs of chronic rheumatic fever are from valve stenosis.
      • Congestive heart failure (CHF) may develop secondary to severe valve insufficiency or myocarditis. Physical findings associated with heart failure include tachypnea, orthopnea, jugular venous distention, rales, hepatomegaly, a gallop rhythm, and peripheral swelling and edema. A pericardial friction rub indicates that pericarditis is present. Increased cardiac dullness to percussion, muffled heart sounds, and a paradoxical pulse are consistent with pericardial effusion and impending pericardial tamponade. Confirm this clinical emergency with ECG, and evacuate the effusion by pericardiocentesis if it is producing hemodynamic compromise.
      • In the newest version of the revised Jones Criteria morphologic and Doppler findings on echocardiogram may supersede auscultatory findings for carditis. Acute morphologic changes in the mitral valve  may include annular dilation, chordal elongation, chordal rupture resulting in flail leaflet with severe mitral regurgitation, or prolapse or beading/nodularity of the leaflet tips. Doppler findings should demonstrate regurgitation in at least 2 views, with a pansystolic jet in at least 1. Chronic changes in the mitral valve should show leaflet thickening and calcification, with restricted motion. There may also be evidence of chordal thickening and fusion. Changes in the aortic valve may include prolapse, coaptation defect, and thickening of the leaflets, with restricted motion.  Doppler findings should demonstrate regurgitation in at least 2 views, with a pansystolic jet in at least 1.
    • Chorea: In the absence of a family history of Huntington chorea or findings consistent with systemic lupus erythematosus, the diagnosis of acute rheumatic fever is almost certain. A long latency period exists between streptococcal pharyngitis (1-6 mo) and the onset of chorea, and a history of an antecedent sore throat frequently is not obtained. Patients with chorea often do not demonstrate other Jones criteria. Chorea is slightly more common in females than males. Chorea is also known as rheumatic chorea, Sydenham chorea, chorea minor, and St Vitus dance.
    • Poststreptococcal movement disorders
      • Described poststreptococcal movement disorders have included pediatric autoimmune neuropsychiatric disorder associated with streptococcal infections (PANDAS) and Tourette syndrome.
      • Daily handwriting samples can be used as an indicator of progression or resolution of disease. Complete resolution of the symptoms typically occurs, with improvement in 1-2 weeks and full recovery in 2-3 months; however, incidents have been reported in which symptoms wax and wane for several years.
      • The PANDAS disorder appears to have a relapsing-remitting symptom complex characterized by obsessive-compulsive personality disorder. Patients with Sydenham chorea and obsessive-compulsive symptoms tend to show aggressive, contamination, and somatic obsessions and checking, cleaning, and repeating compulsions. Neurologic abnormalities include cognitive defects and motoric hyperactivity. The symptoms may also include emotional lability, separation anxiety, and oppositional behaviors, and they are prepubertal in onset.
      • Some have proposed that the streptococcal infection triggers the formation of antibodies that cross-react with the basal ganglia of genetically susceptible hosts in a manner similar to the proposed mechanism for Sydenham chorea and causes the symptom complex.
    • Erythema marginatum: This characteristic rash, also known as erythema annulare, occurs in 5-13% of patients with acute rheumatic fever. Erythema marginatum begins as 1-cm to 3-cm diameter, pink-to-red nonpruritic macules or papules located on the trunk and proximal limbs but never on the face. The lesions spread outward to form a serpiginous ring with erythematous raised margins and central clearing. The rash may fade and reappear within hours and is exacerbated by heat. Thus, if the lesions are not observed easily, they can be accentuated by the application of warm towels, a hot bath, or the use of tangential lighting. The rash occurs early in the course of the disease and remains long past the resolution of other symptoms. Erythema marginatum (shown in the image below) has also been reported in association with sepsis, drug reactions, and glomerulonephritis.
      Erythema marginatum, the characteristic rash of ac Erythema marginatum, the characteristic rash of acute rheumatic fever.
    • Subcutaneous nodules: Subcutaneous nodules are now an infrequent manifestation of rheumatic fever. The frequency has declined during the past several years to 0-8% of patients with rheumatic fever. When present, the nodules appear over the extensor surfaces of the elbows, knees, ankles, knuckles, scalp, and spinous processes of the lumbar and thoracic vertebrae (attached to the tendon sheath). The nodules are firm, nontender, and free from attachments to the overlying skin, and they range from a few millimeters to 1-2 cm. The nodules number from 1 to dozens, with a mean of 3-4. Histologically, the nodules contain areas resembling the Aschoff bodies observed in the heart. Subcutaneous nodules generally occur several weeks into the disease and resolve within a month. They are strongly associated with severe rheumatic carditis, and in the absence of carditis, question the diagnosis of subcutaneous nodules.
  • Other clinical manifestations
    • Abdominal pain: Abdominal pain usually occurs at the onset of acute rheumatic fever, resembles other conditions with acute microvascular mesenteric inflammation, and may mimic acute appendicitis.
    • Arthralgias: Patients may report arthralgias upon presentation. In the history, determining if the patient has taken aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) is important because these may suppress the full manifestations of the disease. Arthralgia cannot be considered a minor manifestation if arthritis is present.
    • Epistaxis: Epistaxis may be associated with severe protracted rheumatic carditis.
    • Fever: Fevers greater than 39°C with no characteristic pattern are present initially in almost every patient with acute rheumatic fever. The fever may be low grade (38-38.5°C) in children with mild carditis or absent in patients with pure chorea. The fever decreases without antipyretic therapy in approximately 1 week, but low-grade fevers persist for 2-3 weeks.
    • Rheumatic pneumonia: Patients present with the same signs as an infectious pneumonia. Differentiate rheumatic pneumonia from respiratory distress related to CHF.
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Causes

Rheumatic fever is believed to result from an autoimmune response; however, the exact pathogenesis remains unclear.

  • Rheumatic fever only develops in children and adolescents following group A beta hemolytic streptococcal (GABHS) pharyngitis, and only infections of the pharynx initiate or reactivate rheumatic fever.
  • At least some rheumatogenic strains of GAS have antigenic domains similar to antigens in components of the human heart, and some authors have proposed that anti-M antibodies against the streptococci may cross-react with heart tissue, causing the pancarditis that is observed in rheumatic fever. So-called molecular mimicry between streptococcal and human proteins is felt to involve both the B and T cells of peripheral blood, with infiltration of the heart by T cells. Some believe that an increased production of inflammatory cytokines is the final mechanism of the autoimmune reaction that causes damage to cardiac tissue in RHD. An insufficiency of interleukin-4 (IL-4)–producing cells in the valve tissue may also contribute to the valve lesions.
  • Streptococcal antigens, which are structurally similar to those in the heart, include hyaluronate in the bacterial capsule, cell wall polysaccharides (similar to glycoproteins in heart valves), and membrane antigens that share epitopes with the sarcolemma and smooth muscle.
  • Decreased levels of regulatory T-cells have also been associated with rheumatic heart disease and with increased severity. [12]
  • In utero precursors predisposing to rheumatic heart disease have also been proposed; Eriksson et al suggest increased spiraling of the umbilical cord may increase the risk of developing rheumatic heart disease secondary to presumed changes in hemodynamic conditions during formation of the mitral valve. [13]
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Contributor Information and Disclosures
Author

Thomas K Chin, MD Professor of Pediatrics, Chief of Pediatric Cardiology, Pennsylvania State University College of Medicine

Thomas K Chin, MD is a member of the following medical societies: American Academy of Pediatrics, American Heart Association, American College of Cardiology

Disclosure: Nothing to disclose.

Coauthor(s)

Douglas Li, MD Assistant Clinical Professor, Division of Pediatric Pulmonology, Department of Pediatrics, University of California, Los Angeles, David Geffen School of Medicine, Mattel Children's Hospital UCLA

Douglas Li, MD is a member of the following medical societies: American Academy of Pediatrics, American College of Chest Physicians, American Thoracic Society

Disclosure: Nothing to disclose.

Specialty Editor Board

Mary L Windle, PharmD Adjunct Associate Professor, University of Nebraska Medical Center College of Pharmacy; Editor-in-Chief, Medscape Drug Reference

Disclosure: Nothing to disclose.

Thomas JA Lehman, MD FAAP, FACR, Clinical Professor of Pediatrics, Department of Pediatrics, Division of Pediatric Rheumatology, Weill Cornell Medical College; Chief, Hospital for Special Surgery

Thomas JA Lehman, MD is a member of the following medical societies: PM American Allergy Society

Disclosure: Nothing to disclose.

Chief Editor

Lawrence K Jung, MD Chief, Division of Pediatric Rheumatology, Children's National Medical Center

Lawrence K Jung, MD is a member of the following medical societies: American Association for the Advancement of Science, American Association of Immunologists, American College of Rheumatology, Clinical Immunology Society, New York Academy of Sciences

Disclosure: Nothing to disclose.

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Clinical manifestations and time course of acute rheumatic fever.
Chest radiograph showing cardiomegaly due to carditis of acute rheumatic fever.
Erythema marginatum, the characteristic rash of acute rheumatic fever.
 
 
 
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