Cai-e Wu

Chinese PLA General Hospital (301 Hospital), Peping, Beijing, China

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Publications (3)1.69 Total impact

  • Ping Ye, Cai-e Wu, Li Sheng, Hui Li
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    ABSTRACT: To investigate the benefits of long-term therapy with Xuezhikang, a cholestin extract, in combination with calcium channel blockers for improvement of left ventricular (LV) hypertrophy and function in patients with essential hypertension, as determined using echocardiography. Fifty-five (55) hypertensive patients with normal blood low-density lipoprotein cholesterol (LDL-C) levels were randomly assigned to the Xuezhikang group (n = 28, 1200 mg/d of Xuezhikang) or the placebo group (n = 27, matched placebo). All of the patients were treated with extended-release nifedipine (20 mg twice daily). Thirty (30) normotensive subjects, matched for age and gender, were selected as a control group. Conventional echocardiography and tissue Doppler imaging were used to measure the left ventricle (LV) wall thickness and LV diastolic function at weeks 0, 24, and 72 during the period of observation. The serum levels of lipids, carboxy-terminal propeptide of procollagen type I (PIP), and C-reactive protein (CRP) were determined as well. The hypertensive patients had significantly elevated PIP and CRP levels in serum, increased LV wall thickness, and impaired LV diastolic function compared with the normotensive subjects (0.01 < p < 0.05). Compared with the placebo group, the transmitral flow velocities (E/A ratio) (1.11 +/- 0.36 versus 0.85 +/- 0.24, p < 0.01) and the myocardial motion velocities (Em/Am ratio) at the septal mitral annulus (0.90 +/- 0.19 versus 0.70 +/- 0.18, p < 0.05) and the lateral mitral annulus (1.06 +/- 0.20 versus 0.86 +/- 0.14, p < 0.01) were significantly increased, while there was no significant change in the LV wall thickness after 72 weeks of therapy with Xuezhikang. The serum levels of PIP (0.43 +/- 0.13 ng/mL versus 0.51 +/- 0.20 ng/mL, p < 0.05) and CRP (0.32 +/- 0.13 mg/L versus 0.40 +/-0.17 mg/L, p < 0.05) were significantly reduced compared to placebo treatment. There was no significant correlation between changes in LV diastolic function and blood pressure or lipid profile with Xuezhikang therapy. Long-term therapy with Xuezhikang improved LV diastolic function, probably mediated through antifibrotic and anti-inflammatory effects and independent of blood pressure and lipid profiles in patients with essential hypertension.
    Journal of alternative and complementary medicine (New York, N.Y.) 06/2009; 15(7):719-25. · 1.69 Impact Factor
  • Ping Ye, Cai-e Wu, Hui Li, Guang Zhi
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    ABSTRACT: To investigate whether statins have effect on diastolic function of both left and right ventricles in hypertensive patients. This is a randomized, mono-blind, placebo-controlled study. 120 systemic hypertensive (HT) patients with normal or slightly elevated cholesterol were randomized to placebo or Xuezhikang (1200 mg/d) for 24 weeks. Extended-release nifedipine was administrated to the HT patients. 30 healthy volunteers served as controls. Plasma were obtained at baseline and 24 weeks after Xuezhikang therapy. Cholesterol and carboxy-terminal peptide of procollagen type I (PIP) were measured. Early diastolic velocity (Em) and late diastolic velocity (Am) were obtained from right atrioventricular ring and left atrioventricular ring with pulsed wave tissue Doppler imaging. The levels of plasma PIP were higher in HT patients. After 24 weeks, the levels of plasma LDL-C, TC and PIP were significantly lower in Xuezhikang group than those in placebo group; Systolic and diastolic pressure were decreased both in placebo group and Xuezhikang group meanwhile pulse pressure was decreased and Em/Am ratio at left atrioventricular ring was higher in Xuezhikang group as compared with those in placebo group. In systemic hypertensive patients, Xuezhikang exerts a beneficial effect on diastolic function of left ventricule via controlling blood pressure, lowering blood lipid and inhibiting myocardial fibrosis.
    Zhonghua nei ke za zhi [Chinese journal of internal medicine] 11/2006; 45(10):811-4.
  • Cai-e Wu, Ping Ye
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    ABSTRACT: To investigate whether xuezhikang has additional beneficial effect on lipid peroxidation, myocardial fibrosis, inflammation and blood pressure control in hypertensive patients without sever hyperlipidemia treated with extended-released nifedipine. This is a randomized, single-blind, placebo-controlled study, 100 patients with primary hypertension (HT) and normal or lightly elevated cholesterol level were randomized to receive placebo (n=49) or xuezhikang (1200 mg/d, n=51) for 24 weeks on top of extended-released nifedipine (20 mg, bid), 30 healthy volunteers served as controls. Plasma was obtained at baseline and 24 weeks after therapy. Lipids, C-reactive protein (CRP), malondialdehyde (MDA), superoxide dismutase photo-inhibition rate (SOD-PR) and type I collagen carboxypropeptide (PIP) were measured. Normal blood pressure (<140/90 mm Hg) was found in 49 out of 51 xuezhikang treated patients and in 40 out of 49 placebo treated patients (P<0.01) after 24 weeks therapy. Plasma CRP, MDA, SOD-PR and PIP were significantly higher in HT patients than those in normal controls. Plasma CRP, MDA, PIP and SOD-PR were significantly decreased in xuezhikang group while remained unchanged in placebo group after 24 weeks treatment. In patients with primary hypertension without severe hyperlipidemia treated with nifedipine, xuezhikang treatment exerts additional beneficial effects including better blood pressure control, endothelial function improvement, lipid oxidation loading attenuation and anti-inflammation.
    Zhonghua xin xue guan bing za zhi [Chinese journal of cardiovascular diseases] 10/2006; 34(10):886-9.