Tuesday, 15 Oct 2019

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Sons of Gout Study

The genetics and heritability of gout has suggested a higher risk in certain families.  A UK cohort study examined the prevalence of gout and monosodium urate (MSU) crystal deposition among those at risk (sons of gout patients) for gout and found a high incidence of hyperuricemia and MSU crystal deposition.

The sons of patients with gout (n=131) were contacted, screened by telephone and subsequently had a study-visit evaluation for blood and urine collection, and musculoskeletal ultrasonography (MSK US).

Amongst 131 sons of gout, 64.1% had serum urate (SU) ≥6 mg/dl, and 30% had MSK US evidence of either a double contour sign (DCS) or intra-articular aggregates/tophi in ≥1 joint.

All subjects with MSU deposition had involvement of 1st metatarsophalangeal joint and a subset (21%) had intra-tendinous aggregates.

For those with SU ≤5 mg/dl no MSU depositoin was found; but those 24% of those with SU between 5-6 mg/dl had ultrasonographic MSU deposition.

For every SU increased of 1 mg/dl, there was a 61% increase in the odds of finding MSU crystal deposition.

Disclosures: 
The author has no conflicts of interest to disclose related to this subject

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