Could uric acid be a modifiable risk factor in subjects with pulmonary hypertension?

Could uric acid be a modifiable risk factor in subjects with pulmonary hypertension?
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DOI:
10.1016/j.mehy.2009.12.023
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发表时间:
2010-06
期刊:
影响因子:
4.7
通讯作者:
Johnson RJ
Johnson RJ
中科院分区:
医学4区
文献类型:
--
作者:
Zharikov SI;Swenson ER;Lanaspa M;Block ER;Patel JM;Johnson RJ

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高血尿酸在肺动脉高压患者中很常见。血清尿酸的升高可能是局部组织缺血和/或缺氧的结果,也可能是各种形式肺动脉高压中发生的与缺血或缺氧无关的其他因素所致。虽然传统上认为高尿酸血症是一种继发性现象,但最近的研究表明,高尿酸血症也可能介导肺血管的局部血管收缩和血管重构。如果尿酸确实在肺动脉高压中起促进作用,我们可能会看到肺动脉高压患病率的增加,因为高尿酸血症在肥胖和代谢综合征患者中很常见。我们建议研究尿酸在肺动脉高压中的作用,并确定降低血清尿酸是否对肺动脉高压有临床益处。
A high serum uric acid is common in subjects with pulmonary hypertension. The increase in serum uric acid may be a consequence of the local tissue ischemia and/or hypoxia, and it may also result from other factors independent of ischemia or hypoxia that occur in various forms of pulmonary hypertension. While classically viewed as a secondary phenomenon, recent studies suggest that hyperuricemia may also have a role in mediating the local vasoconstriction and vascular remodeling in the pulmonary vasculature. If uric acid does have a contributory role in pulmonary hypertension, we may see an increasing prevalence of pulmonary hypertension as hyperuricemia is common in subjects with obesity and metabolic syndrome. We propose studies to investigate the role of uric acid in pulmonary hypertension and to determine if lowering serum uric acid may have clinical benefit in this condition.
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