茶及其提取物改善代謝綜合征各組分的有效性與安全性的Meta分析
[Abstract]:[Background] Metabolic syndrome (MS) is a combination of a series of risk factors associated with metabolic abnormalities, including central obesity, hyperglycemia (impaired glucose regulation or type 2 diabetes mellitus), dyslipidemia and hypertension, which are a serious threat to human health. Recent 20 years, with the continuous improvement of people's living standards, the constant change of dietary structure and pattern, and the acceleration of population aging, the incidence of MS has risen sharply. According to statistics, in 1992, the incidence of MS was 13.3% in the population over 18 years old. By the beginning of 2000, the incidence of MS in the population over 35 years old had already risen. In the latest statistics in 2013, the incidence of MS in Chinese adults is as high as 24%. MS has become a new chronic metabolic disease, but also a social and public health problem that needs extensive attention and strict prevention and control. Among them, changing the dietary structure is the most basic and economical way to adjust life style. Tea drinking culture originated in China and has been widely spread all over the world for a long time. However, the specific effects of tea on the diet of MS patients and on the components of hypertension, diabetes, obesity and other diseases are still unclear. Therefore, this topic intends to adopt the method of Meta-analysis, taking the domestic and foreign research reports as data, aiming to systematically evaluate tea and obesity. Its extracts (TE) can improve the efficacy and safety of components in MS patients, and provide objective and strong evidence-based medical evidence for dietary nutrition of MS patients. To evaluate the efficacy and safety of TE in the treatment of MS patients by measuring indexes, biochemical indexes of lipid metabolism, biochemical indexes of glucose metabolism and blood pressure. A (extract) OR oolong tea (extract) AND (obesity or metabolic syndrome), a computer search Pub Med (1980-2014), Psyc INFO (1980-2014), Scopus (1980-2014), EMBase (1980-2014), The Cochrane Library 5 major international authoritative databases, comprehensively collect international information on TE as compared with the control group to improve any component of the indicators of MS patients with Computer-controlled trials (RCTs). Statistical analysis and conclusion display were performed using Review Manager 5.2.2 software. The combined odds ratio (OR) and 95% confidence interval (CI) were used as meta-variables. [Results] 1. This study strictly screened all relevant literature retrieved by setting reasonable criteria, and used the statistical side of Meta-analysis. Methods A total of 16 eligible RCT literatures were included, including 12 RCT studies using green tea (or extract) as intervention, 4 RCT studies using black tea (or extract) as intervention, and 0 RCT studies using oolong tea (or extract) as intervention. A total of 1 090 subjects were included in the 16 RCT studies. By the end of treatment, 138 subjects drank or drank it daily. Taking black tea (or extract) drinks or capsules, 451 subjects drank or took green tea (or extract) drinks or capsules daily, 446 subjects drank or took the same dose of placebo drinks or capsules daily. 2. Physiological measurements: At the end of treatment, TE significantly reduced the body size of MS patients compared with control groups. Weight level [SMD = - 0.21, 95% CI (- 0.33, - 0.09), P = 0.0007], waist circumference level [SMD = - 0.24, 95% CI (- 0.38, - 0.09), P = 0.001] and body mass index (BMI) value [SMD = - 0.27, 95% CI (- 0.40, - 0.15), P 0.0001], the difference was statistically significant. For the waist-hip circumference ratio and hip circumference of MS patients, the results showed that there was no significant difference between the two groups. Biochemical indicators of quality metabolism: At the end of treatment, TE can effectively reduce the level of low-density lipoprotein cholesterol (LDL-C) in MS patients compared with the control group [SMD = - 0.31, 95% CI (- 0.55, - 0.06), P = 0.01], increase the level of high-density lipoprotein cholesterol (HDL-C) [SMD = 0.18, 95% CI (0.01, 0.35), P = 0.03], the difference is statistically significant, for MS. There was no significant difference between the two groups in the levels of cholesterol (TC) and triglyceride (TG). 4. Biochemical measurements of glucose metabolism: At the end of treatment, TE significantly decreased fasting blood glucose levels in MS patients [SMD = - 0.22, 95% CI (- 0.34, - 0.10), P = 0.0003]. Blood pressure: At the end of treatment, the mean sitting systolic blood pressure (ms SBP) and mean sitting diastolic blood pressure (ms DBP) were not significantly different between the intervention group and the control group. At the end of treatment, there was no significant difference in overall adverse event incidence between TE group and control group [OR = 0.99, 95% CI (0.55, 1.77), P = 0.97]. However, Hb A1c and HOME-IR did not significantly improve insulin levels. 4. TE did not significantly improve blood pressure. 5. TE had good safety and no serious adverse events were found.
【學(xué)位授予單位】:第四軍醫(yī)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:R589
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