The relationship between endothelial progenitor cells and pulmonary arterial hypertension in children with congenital heart disease

被引:8
|
作者
Sun, Hong-Xiao [1 ,2 ]
Li, Guo-Ju [2 ]
Du, Zhan-Hui [2 ]
Bing, Zhen [2 ]
Ji, Zhi-Xian [2 ]
Luo, Gang [2 ]
Pan, Si-Lin [2 ]
机构
[1] Qingdao Univ, Med Coll, Qingdao 266071, Shandong, Peoples R China
[2] Qingdao Women & Childrens Hosp, Heart Ctr, Qingdao 266034, Shandong, Peoples R China
基金
中国国家自然科学基金;
关键词
Child; Congenital heart disease; endothelial progenitor cells; pulmonary arterial hypertension; CD34(+) CELLS; STEM; POPULATION; EXPRESSION; DIAGNOSIS; PRESSURE; MEDICINE; IMPROVES; THERAPY; NUMBER;
D O I
10.1186/s12887-019-1884-x
中图分类号
R72 [儿科学];
学科分类号
100202 ;
摘要
Background: Pulmonary arterial hypertension (PAH) caused by congenital heart disease (CHD) is very common in clinics. Some studies have shown that PAH is related to the number of endothelial progenitor cells (EPCs), but there is no report on the relationship between PAH and the number of EPCs in children with CHD. Methods: In this study, a total of 173 cases with CHD (from 0 to 6 years old) were collected. According to the mean pulmonary arterial pressure (mPAP) measured by right heart catheterization, these cases were divided into PAH groups (including high PAH group, mPAP > 25 mmHg, n = 32, and the middle PAH group, 20 mmHg <= mPAP <= 25 mmHg, n = 30) and non-PAH group (mPAP < 20 mmHg, n = 111). Peripheral blood was taken for flow cytometry, and the number of EPCs (CD133+/KDR+ cells) was counted. The number of EPCs/mu L of peripheral blood was calculated using the following formula: EPCs/mu L = WBC/L x lymphocytes % x EPCs % x 10(-6). Results: The median EPCs of the non-PAH group, middle PAH group and high PAH group is 1.86/mu L, 1.30/mu L and 0.98/mu L, respectively. The mPAP decreases steadily as the level of EPCs increases (P < 0.05). After adjustment of gender, age and BMI, the number of EPCs was significantly associated with a decreased risk of high PAH (OR = 0.37, 95% CI: 0.16-0.87, P < 0.05). However, EPCs was not significantly associated with middle PAH (P > 0.05). Conclusion: The findings revealed that the EPCs and high PAH in patients with CHD correlate significantly and EPCs may become an effective treatment for PAH in patients with CHD. EPCs may be a protective factor of high PAH for children with CHD.
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页数:6
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