Review Question - QID 109644

A 4-year-old male is brought to the pediatrician for a low-grade fever. His mother states that he has had a waxing and waning fever for the past 6 days with temperatures ranging from 99.8°F (37.7°C) to 101.0°F (38.3°C). She reports that he had a similar episode three months ago. She also reports symmetric joint swelling in the child’s knees and wrists that has become increasingly noticeable over the past 8 weeks. He has not had a cough, difficulty breathing, or change in his bowel movements. The child was born at 40 weeks gestation. His height and weight are in the 45th and 40th percentiles, respectively. He takes no medications. His temperature is 100.1°F (37.8°C), blood pressure is 100/65 mmHg, pulse is 105/min, and respirations are 18/min. On examination, there is a non-pruritic, macular, salmon-colored truncal rash. Serological examination reveals the following:

Serum:
Rheumatoid factor: Negative
Anti-nuclear antibody: Negative
Anti-double stranded DNA: Negative
Anti-SSA: Negative
Anti-SSB: Negative
Human leukocyte antigen B27: Positive
Erythrocyte sedimentation rate: 30 mm/h

This patient is most likely at increased risk of developing which of the following?