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Gout patients have higher mortality, heavier comorbidity burden, and lower quality of life than non-gout patients, but information is sparse on how gout affects advanced CKD patients. This study examined the prevalence and potential health impacts in stage 3–5 CKD patients. Gout was defined as being listed as a comorbidity, ULT use, and/or reported gout symptoms (tophi, >1 flare). Uncontrolled gout was defined as hyperuricemia (serum urate >6 mg/dL) with tophi, ≥2 gout flares/year, or ≥1 swollen/tender joint. This study included 746 patients (55% men, age: 56.2 ± 18.3 years, CKD-duration: 4.0 ± 4.8 years, eGFR: 32.2 ± 15.5 mL/min/1.73 m2), of which 23% met the gout criteria. Prevalence was highest in patients with stage 3b and 4 CKD. Gout patients had a significantly higher prevalence of cardiovascular comorbidities, CKD-mineral bone disorder, and back pain than non-gout patients. Uncontrolled gout patients had more hypertension, joint issues, chronic pain, febuxostat use, and colchicine use than controlled patients. Compared to those without gout, gout patients had higher rates of cardiovascular and bone diseases, with uncontrolled patients having an even higher burden. In conclusion, these data suggest that identifying and monitoring gout in CKD patients provides health benefits. However, more than one-third of gout patients did not have a formal gout diagnosis in their medical record.
Stern et al. (Thu,) studied this question.
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