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Difficulty: MediumPharmacologic Interventions

A 59-year-old man presents to the urgent care clinic with excruciating pain and swelling in his right great toe that began abruptly last night. He reports that the pain is so severe he cannot tolerate even the weight of a bedsheet on his foot. Medical history is significant for ischemic cardiomyopathy with a left ventricular ejection fraction of 25%, type 2 diabetes mellitus with a recent hemoglobin A1c of 9.2%, stage 4 chronic kidney disease with an estimated glomerular filtration rate of 22 mL/min/1.73 m², and a bleeding gastric ulcer that was treated endoscopically one month ago. Vital signs are temperature 37.1°C (98.8°F), blood pressure 118/75 mmHg, and heart rate 82/min. Examination reveals a markedly erythematous, swollen, and exquisitely tender right first metatarsophalangeal joint. Arthrocentesis yields synovial fluid with a leukocyte count of 45,000/mm³ and negatively birefringent, needle-shaped crystals. Which of the following is the most appropriate pharmacologic intervention for this patient's acute symptoms?

  1. A
    Oral indomethacin
  2. B
    Oral colchicine
  3. Intra-articular triamcinoloneAnswer
  4. D
    Oral prednisone
  5. E
    Oral allopurinol

Answer

Intra-articular triamcinolone
The correct intervention is intra-articular triamcinolone. This patient is presenting with an acute gout flare, confirmed by the classic clinical presentation (podagra) and the presence of negatively birefringent, needle-shaped crystals in the synovial fluid. Management of acute gout typically involves nonsteroidal anti-inflammatory drugs (NSAIDs), colchicine, or systemic/intra-articular glucocorticoids. However, this patient's complex medical history restricts all standard systemic options. Intra-articular glucocorticoid injection is the most appropriate therapy because it provides excellent localized anti-inflammatory efficacy while minimizing systemic absorption, thereby safely avoiding exacerbation of his heart failure, chronic kidney disease, uncontrolled diabetes, and peptic ulcer disease.

Step-by-Step Solution

1
Diagnose the acute presentation based on clinical and laboratory findings.
The patient has an acute gout flare.
Sudden onset monoarticular arthritis of the first metatarsophalangeal joint (podagra) with negatively birefringent, needle-shaped crystals confirms acute gout.
2
Evaluate the patient's medical history for contraindications to standard therapies.
The patient has severe heart failure, advanced chronic kidney disease, poorly controlled diabetes, and recent peptic ulcer disease.
Standard systemic therapies for gout (NSAIDs, colchicine, systemic steroids) carry absolute or relative contraindications in this patient, requiring careful selection to avoid harm.
3
Select the safest and most effective targeted therapy.
Intra-articular triamcinolone is the best choice.
A localized glucocorticoid injection provides potent anti-inflammatory relief for a single joint while avoiding systemic absorption and associated adverse effects.

Key Concept

Selecting appropriate acute gout therapy in patients with multiple severe comorbidities by prioritizing local therapy to avoid systemic adverse effects.
Estimated Time:1m 30s
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Topics

Pharmacologic Interventions

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