Rheumatology (Oxford, England) · 2014
The effects of gout on left atrial volume remodelling: a prospective echocardiographic study.
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Pan Kuo-Li, Lin Jing-Chi, Lin Chun-Liang, Chen Mien-Cheng, Chang Pey-Jium, Hsiao Ju-Feng, Chang Shih-Tai, Chung Chang-Min
Аннотация
OBJECTIVE: The aim of the present study was to investigate the effect of gout on left ventricular (LV) diastolic function and left atrial volume (LAV).
METHODS: A total of 173 patients were divided into four groups: control (n = 35), asymptomatic hyperuricaemia (n = 30), gouty arthritis without tophi (n = 58) and gouty tophi (n = 50). Patients underwent a comprehensive Doppler echocardiography examination to evaluate LV volume, systolic and diastolic function and LAV and function.
RESULTS: Serum uric acid levels were not significantly different in the asymptomatic hyperuricaemia, gouty arthritis without tophi and gouty tophi groups. However, the ratio of the transmitral and myocardial peak early diastolic velocities (E/e') and LAV index (LAVi) progressively increased from the control group to the gouty tophi group. The tophi group had significantly higher E/e' [10.5 (s.d. 3.2) vs 8.6 (s.d. 2.1), P = 0.008] and larger maximal, pre-contraction and minimal LAVi [29.6 ml/m(2) (s.d. 9.9) vs 20.1 ml/m(2) (s.d. 4.8); 19.1 ml/m(2) (s.d. 8.5) vs 11.5 ml/m(2) (s.d. 3.4); 9.6 ml/m(2) (s.d. 4.2) vs 6.1 ml/m(2) (s.d. 2.2); all P < 0.001] than the control group. By binary logistic analysis, maximal LAVi was an independent predictor for the development of tophi in gout patients, with an odds ratio of 1.068 (95% CI 1.02, 1.118; P = 0.005).
CONCLUSION: The severity of gout had a significant effect on LV diastolic dysfunction and LA enlargement in gout patients. Additionally, a high maximal LAVi predicted the development of tophi and may be a predictor of adverse cardiovascular events related to LA and LV remodelling in this clinical setting.
METHODS: A total of 173 patients were divided into four groups: control (n = 35), asymptomatic hyperuricaemia (n = 30), gouty arthritis without tophi (n = 58) and gouty tophi (n = 50). Patients underwent a comprehensive Doppler echocardiography examination to evaluate LV volume, systolic and diastolic function and LAV and function.
RESULTS: Serum uric acid levels were not significantly different in the asymptomatic hyperuricaemia, gouty arthritis without tophi and gouty tophi groups. However, the ratio of the transmitral and myocardial peak early diastolic velocities (E/e') and LAV index (LAVi) progressively increased from the control group to the gouty tophi group. The tophi group had significantly higher E/e' [10.5 (s.d. 3.2) vs 8.6 (s.d. 2.1), P = 0.008] and larger maximal, pre-contraction and minimal LAVi [29.6 ml/m(2) (s.d. 9.9) vs 20.1 ml/m(2) (s.d. 4.8); 19.1 ml/m(2) (s.d. 8.5) vs 11.5 ml/m(2) (s.d. 3.4); 9.6 ml/m(2) (s.d. 4.2) vs 6.1 ml/m(2) (s.d. 2.2); all P < 0.001] than the control group. By binary logistic analysis, maximal LAVi was an independent predictor for the development of tophi in gout patients, with an odds ratio of 1.068 (95% CI 1.02, 1.118; P = 0.005).
CONCLUSION: The severity of gout had a significant effect on LV diastolic dysfunction and LA enlargement in gout patients. Additionally, a high maximal LAVi predicted the development of tophi and may be a predictor of adverse cardiovascular events related to LA and LV remodelling in this clinical setting.
Предметные рубрики MeSH
AdultAgedArthritis, GoutyAtrial RemodelingCardiac VolumeCase-Control StudiesCross-Sectional StudiesEchocardiography, DopplerFemaleGoutHeart AtriaHeart VentriclesHumansHyperuricemiaMaleMiddle AgedProspective StudiesRetrospective StudiesSeverity of Illness IndexUric AcidVentricular Dysfunction, LeftVentricular Remodeling