Reactive Arthritis

Question 1

Reactive arthritis (formerly known as Reiter’s syndrome) is a triad of

Answer 1

arthritis, urethritis, and conjunctivitis

Question 2

Reactive Arthritis may follow these infections by:

Answer 2

Salmonella, Campylobacter, Shigella, and Yersinia.

Question 3

Reactive polyarthritis develops several weeks after ____ of cases of nongonococcal urethritis and ____ of enteric infections, particularly those due to Yersinia enterocolitica, Shigella flexneri, Campylobacter jejuni, and Salmonella species

Answer 3

Reactive polyarthritis develops several weeks after ~1% of cases of nongonococcal urethritis and 2% of enteric infections, particularly those due to Yersinia enterocolitica, Shigella flexneri, Campylobacter jejuni, and Salmonella species

Question 4

Reactive arthritis is most common among young men (except after Yersinia infection) and has been linked to the _____ locus as a potential genetic predisposing factor

Answer 4

HLA-B27 locus

Question 5

Most patients with Reactive Arthritis improve after ___ months
But prolonged disease may be see in those with

Answer 5

6 months

Chlamydial urethritis

Question 6

report painful, asymmetric oligoarthritis that affects mainly the knees, ankles, and feet. Low-back pain is common.

Associated with HLA B27 gene

Answer 6

Reactive Arthritis

Question 7

Migratory polyarthritis and fever constitute the usual presentation of acute rheumatic fever in adults (Chap. 381). This presentation is distinct from that of poststreptococcal reactive arthritis, which also follows infections with group A Streptococcus but is not migratory, lasts beyond the typical 3-week maximum of acute rheumatic fever, and responds poorly to aspirin.

Answer 7

Notes