Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc · 2013
Relation of low vitamin D to nonvalvular persistent atrial fibrillation in Chinese patients.
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Chen Wei Ren, Liu Zhi Ying, Shi Yang, Yin Da Wei, Wang Hao, Sha Yuan, Chen Yun Dai
Аннотация
BACKGROUND: Low vitamin D status has been associated with increased risk of cardiovascular disease. Atrial fibrillation (AF) is the most common cardiac arrhythmia. We evaluated the association between low vitamin D and AF.
METHODS: We analyzed data from 162 Chinese patients with nonvalvular persistent AF and no other cardiovascular disease whose serum 25-hydroxyvitamin D [25(OH)D] levels were measured in our hospital (AF group). Healthy subjects without AF who underwent health screening at our hospital served as controls (non-AF group, n = 160). 25(OH)D was measured by chemiluminescence assay.
RESULTS: The serum 25(OH)D level was significantly lower in the AF group than in the non-AF group (18.5 ± 10.3 vs 21.4 ± 10.7 ng/mL, P < 0.05). The high-sensitivity C-reactive protein (hsCRP) level was significantly higher in the AF group than in the non-AF group (0.35 ± 0.19 vs 0.2 ± 0.17 mg/dL, P < 0.01). The average left atrial diameter was significantly larger in the AF group than in the non-AF group (P < 0.01). The serum 25(OH)D level showed a negative correlation with left atrial diameter, hsCRP level, and pulmonary artery systolic pressure. Logistic regression analysis identified that 25(OH)D was related to AF. Patients whose vitamin D levels were in the lowest 25(OH)D category (<20 ng/mL) were more often in the AF group, with their incidence about twofold higher than those in the highest 25(OH)D category (>30 ng/mL).
CONCLUSIONS: Low vitamin D levels are associated with AF. It may be involved in its development.
METHODS: We analyzed data from 162 Chinese patients with nonvalvular persistent AF and no other cardiovascular disease whose serum 25-hydroxyvitamin D [25(OH)D] levels were measured in our hospital (AF group). Healthy subjects without AF who underwent health screening at our hospital served as controls (non-AF group, n = 160). 25(OH)D was measured by chemiluminescence assay.
RESULTS: The serum 25(OH)D level was significantly lower in the AF group than in the non-AF group (18.5 ± 10.3 vs 21.4 ± 10.7 ng/mL, P < 0.05). The high-sensitivity C-reactive protein (hsCRP) level was significantly higher in the AF group than in the non-AF group (0.35 ± 0.19 vs 0.2 ± 0.17 mg/dL, P < 0.01). The average left atrial diameter was significantly larger in the AF group than in the non-AF group (P < 0.01). The serum 25(OH)D level showed a negative correlation with left atrial diameter, hsCRP level, and pulmonary artery systolic pressure. Logistic regression analysis identified that 25(OH)D was related to AF. Patients whose vitamin D levels were in the lowest 25(OH)D category (<20 ng/mL) were more often in the AF group, with their incidence about twofold higher than those in the highest 25(OH)D category (>30 ng/mL).
CONCLUSIONS: Low vitamin D levels are associated with AF. It may be involved in its development.