科研之友
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摘要
Objectives: To investigate the association between serum uric acid and mortality in a Chinese population of hypertensive patients. Methods and results: A total of 2757 Chinese hypertensive patients from department of cardiology of several hospitals in Shanghai in China were followed up for about six years in this prospective study. Mortality was recorded and related factors were evaluated. Hyperuricemia was diagnosed by serum uric acid levels of >420 mu mol/L in males or 4357 mmol/L in females. A total of 2585 hypertensive patients with complete data were included in the final statistical analysis. Totally 709 deaths (27.4%) occurred during the six-year follow-up, of which 475 deaths were attributable to cardiovascular disease (CVD). All-cause and CVD mortality of hypertensive patients with hyperuricemia was significantly higher than that of patients without hyperuricemia. The Cox regression analysis indicated that hazards ratios (HRs) of hyperuricemia for all-cause and CVD mortality were 1.206 (95% CI: 1.002-1.453) and 1.085 (95% CI: 1.002-1.271) respectively. All-cause and CVD mortality of hypertensive patients was significantly increased (both p < 0.05) when uric acid levels increased. HRs of uric acid levels 4536 mu mol/L to all-cause and CVD mortality of hypertensive patients were 2.115 (95% CI: 1.596-2.801) and 1.861 (95% CI: 1.296-2.673), respectively, compared with those of uric acid levels <= 357 mu mol/L. Conclusions: The data from this cohort study indicate that hyperuricemia can predict increased all-cause and CVD mortality in hypertensive patients.
