viral-arthiritis

September 29, 2016

Dr. Ahmad Iqbal Mirza   |   AKUH Karachi

Viral Arthritis

Arthralgias are common presentations to general practice. Many cases are self-limiting and are presumed to be due to viral infections. However sometimes systemic inflammatory arthritis may be difficult to differentiate from viral arthritis, yet require early intervention to improve long-term outcomes. Patients presenting with early inflammatory arthritis, the suspicion of RA* is raised, therefore patient should be assessed very carefully on clinical features. These patients benefit from early rheumatologist referral. Some viral infections, such as hepatitis and HIV*, may present with joint symptoms, and it is axiomatic that these conditions should be identified and managed appropriately. Some viral infections may cause more prolonged symptoms and their recognition, and particularly differentiation from early inflammatory arthritis, is important in determining prognosis.

 

CLINICAL PRESENTATIONS : 

Parvovirus B19

Parvovirus B19 infections in children present as a viral exanthema, and in adults as a cause of arthralgia and arthritis. The incubation period is 7–10 days with non-specific flu-like symptoms in the first week followed by arthralgias or arthritis in up to 60% of patients in the second week. Up to 75% of adults will have a rash, although only 20% will have the typical “slapped cheek” appearance. The hands, feet and knees are commonly affected, usually symmetrically. Pain, rather than swelling, is the dominant feature. A dramatic decrease or absence of reticulocytes is a hallmark laboratory finding. Rarely, joint symptoms persist for months or years, but the arthritis is non-destructive.

 

Hepatitis A (HAV)

In its prodromal phase, hepatitis A infection in adults usually presents with flu-like symptoms. The infection then progresses to the icteric phase, which may include jaundice, bilirubinuria, pruritus and abdominal pain. Arthralgias and rash occur in 10–14% of patients, but arthritis is extremely rare.

 

Hepatitis B (HBV)

HBV infection may be asymptomatic, but symptomatic patients will develop constitutional symptoms in the prodromal period. During this period, HBV-infected hosts can develop a sudden-onset, transient polyarthritis (involving the wrists, knees, ankles and small joints of the hands) that may mimic the onset of RA, although typically accompanied by a rash. The arthritis usually subsides at the onset of jaundice.

 

Hepatitis C (HCV)

HCV infection is usually asymptomatic but can present with acute hepatitis, nausea

and abdominal pain. HCV infection becomes chronic in about 80% of patients and is usually asymptomatic or manifests with mild, non-specific symptoms. Polyarthralgias  occur  in  approximately20% of patients with chronic HCV and an inflammatory oligoarthritis or polyarthritis (mimicking RA but not destructive) occurs in 2–5% of patients. Chronic HCV infection is associated with abnormal immune function, including cryoglobulinemia and positive rheumatoid factor, leading to potential diagnostic confusion. It is important to exclude HCV in RA patients as HCV infection can be exacerbated by immunosuppressive therapy.

Human Immunodeficiency Virus (HIV)

Early HIV infection may be asymptomatic or present with a variety of non-specific symptoms and signs, including constitutional symptoms, adenopathy, pharyngitis and frequently a rash. Arthralgias and arthritis are present in 5.5% of people with HIV. Acute HIV-associated arthritis tends to be self-limiting, lasting less than 6 weeks. It will usually present as oligoarticular or polyarticular, with negative tests for antinuclear antibodies and rheumatoid factor.

 

Measles, Mumps and Rubella

Rubella classically presents with a maculopapular rash on the face that spreads to involve the trunk, hands and feet, sparing the palms and soles, accompanied by significant head and neck lymphadenopathy. Rubella and rubella vaccine are associated with arthritis, which occurs in 30–50% of females and 6% of males. The arthritis is similar to that in rheumatic fever and the small joints of the hands, wrists and the knees are most commonly involved. Arthralgia is much more common than frank arthritis, and peri-articular involvement is frequently seen. The arthritis typically starts in the week before and after the onset of rash and usually resolves within 2 weeks. Arthritis with mumps is extremely rare, with small or large joint synovitis within 4 weeks of parotitis. Symptoms can persist for up to several weeks.

 

Epstein-Barr Virus (EBV)

EBV infections are typically asymptomatic, reflected in the high rates (80%) of people with IgG antibodies directed at EBV. However, when acute infections do occur, all will have  pharyngitis and 95% will have cervical adenopathy. Arthritis is relatively rare and does not occur in isolation, although widespread myalgias are common. Other herpes viruses, such as Cytomegalovirus (CMV), Herpes Simplex Virus (HSV) and Varicella Zoster Virus (VZV) are unusual causes of arthritis.

 

Adenovirus and Enterovirus

Adenovirus rarely causes arthritis and is usually acquired asymptomatically or manifests as respiratory tract or gastrointestinal infection. Similarly, enteroviruses (Coxsackie virus and echoviruses) may have protean manifestations, most typically non-specific febrile illness, aseptic meningitis, pleurodynia or exanthems. They are most unlikely to present with isolated joint manifestations.

summary

 

 

Features Suggesting  Rheumatoid Arthritis

  •                 Symptom duration of longer than 6 weeks
  •                 Early morning stiffness for longer than one hour
  •                 Arthritis in three or more regions
  •                 Bilateral compression tenderness of the metatarsophalangeal joints
  •                 Symmetry of areas affected
  •                 Rheumatoid factor positive
  •                 Anti-cyclic citrullinated peptide (anti-CCP) antibody positive
  •                 Bony erosions evident on X-rays of the hands or feet (uncommon in early disease)
  •                 Family history of inflammatory diseases

 

  Establishing the Diagnosis

Viral arthritis is typically associated with symptoms of a flu-like illness and systemic signs such as a viral exanthema, fever and lymphadenopathy, and these features should be sought on history and examination. Most presentations are with a polyarthritis; a monoarthritis should prompt investigation for other etiologies. 
The presence or absence of extra-articular features of an autoimmune disease should also be elicited. Confirmation of a recent viral infection requires an appropriate change in paired serology. IgM antibodies do not always represent recent infection as they can persist for up to 2 years. Testing for antinuclear antibodies, rheumatoid factor and anti-citrullinated protein antibodies (ACPA) is useful in evaluating people with typical or persistent presentations of inflammatory arthritis, but are neither sufficiently sensitive nor specific to make diagnosis alone. Viral arthritis can be associated with rheumatoid factor, although this is usually at low titer and transient.

Specific testing for viral arthritis is indicated if treatable diseases are suspected on the basis of the clinical picture (such as HCV or HIV), or when reassurance is important. Routine screening for all potential arthritogenic viruses is not advised.

 

  General Treatment

Viral arthritis that has been evident for less than 6 weeks is treated symptomatically. Nonsteroidal anti-inflammatory drugs (NSAIDs) are the mainstay of treatment. The potential benefits of NSAIDs should be weighed up against their potential risks. It is essential to provide reassurance to the patient that the symptoms are self-limiting and unlikely to develop into a serious condition, such as RA, or cause joint destruction or disability. The use of corticosteroids is to be discouraged unless there are troublesome symptoms and contraindications to NSAIDs, or where a brief course of low dose (<10mg of prednisone daily) may be reasonable.

 

  When to Refer

Rheumatologist referral for acute viral arthritis is rarely needed. It should be considered when arthritis persists beyond 6 weeks, where an early inflammatory arthritis such as RA is suspected or where investigation results are ambiguous or inconsistent with the clinical findings. Patients with suspected HIV, HBV or HCV may also benefit from specialist referral.

 

  Key Points :

  • Viral arthritis is typically self-limiting and requires no specific intervention. Arthritis  may  be  a manifestation  of an important treatable viral infection, such as hepatitis or HIV.
  • Some  viruses  have  a  predilection  for the  joints  and  result  in  prolonged symptoms.
  • Early systemic inflammatory arthritis an be difficult to differentiate from viral arthritis and should be actively considered in all patients.

 

References :

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  3. Brooks G. Parvoviruses. In: Brooks GF, Carroll KC, Butel JS, Morse SA, Mietzner TA, editors. Jawetz, Melnick, & Adelberg’s Medical Microbiology. 26th edn. New York: McGraw-Hill; 2013. Search PubMed
  4. Jeong S-H, Lee H-S. Hepatitis A: Clinical manifestations and management. Intervirology 2010;53:15–19. Search PubMed
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Authors: Richard Holland, Lara Barnsley, Leslie Barnsley