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Research background isolated systolic hypertension (Isolated Systolic Hypertension in the Elderly EISH) in systolic blood pressure and pulse pressure increase is characterized by a special type of high blood pressure, common in people over the age of 60, with high morbidity and mortality and morbidity. According to reports, in the outpatient elderly hypertensive patients over 65 years of awareness up to 80%, while only 28% of control. And treatment, there are a number of issues. Treatment is the characteristics and essence of traditional Chinese medicine. The certificate is the prerequisite and basis of diagnosis and treatment, the bridges and the key is to contact the Chinese medicine theory and clinical diagnosis and treatment system. The syndromes Research is a key focus of the modernization of Chinese medicine. Pathogenesis focus on to clarify disease, the mechanism of development and changes in the nature of the \Syndrome - a breakthrough in the research of the pathogenesis of both traditional Chinese medicine theory, the basis of the clinical research. The Pathogenesis syndrome research based on TCM theory push oriented school transition premise of the clinical evidence. In EISH disease research, a lot of progress, but the research to establish the basis of literature research or expert advice, and the lack of mathematical statistical analysis based on a large sample survey, thus affecting its authority. \Epidemiological principles and methods for the syndrome - pathogenesis study provides clinical evidence. Therefore, on the basis of literature research, expert advice and case review, follow the principles of clinical epidemiology, syndromes combined to disease system license, retrospective study of a large sample of clinical, clinical data on a large sample for analysis and comprehensive evaluation observation EISH card \Objective To Hong Kong EISH patients with traditional Chinese medicine syndrome types of distribution; clear evidence of primary and secondary, composite, the different evidence collection frequency and certified outcome; based on the occurrence of the symptoms, the degree of draw main symptoms; and sort out between the card and the card mass change the law, and based on EISH the pathogenesis of the syndrome's evolution from the disease on the understanding, so as to better guide clinical practice. At the same time to make up for the status quo is no such reports in Hong Kong, for the clinical diagnosis and treatment of hypertension provide a theoretical basis. Method 1. Isolated systolic hypertension Hong Kong resident over 60 years as the object of study. 2. Diagnostic criteria for: ISH diagnosis standard and 1,2,3 grading standards developed by 2005 Hypertension Prevention Guide (Revised Edition). TCM syndromes reference to the 2002 \phlegm dampness, yin and yang, blood stasis six major card type. The obesity judge to use the body mass index (BMI), the diagnostic standard reference diagnostic criteria of adult overweight and obesity in Asia. Sampling method: the stratified sampling method investigate Hong Kong EISH patients. 4 Quality control: quality control, including the training of investigators, in the course of the investigation and analysis process. Epidemiological investigation: direct inquiry method. The questionnaire includes basic information, history of hypertension, family history, lifestyle, treatment condition and TCM symptoms. Physical examination: blood pressure measuring blood pressure measurement methods recommended in the guide, height, weight, abdominal circumference method in accordance with the International Institute for the Unification of measurement. Statistical methods: the application Epidata2.1 software to establish a database, duplicate data entry, after checking into the SPSS database using SPSS13.0 statistical analysis. The basic situation using descriptive statistics. Constituent ratio comparison and single factor analysis using x ~ 2 test, and multivariate analysis using the two-class logistic regression. Results 1. General epidemiological characteristics of the survey a total collection of 302 cases with EISH were 72 cases (23.8%) were male and 165 people (54.6%), 137 (45.4%), obese. The age range of 60 to 98 years, mainly in the 70 to 79-year-old, the proportion of men and women of all ages are consistent between the difference was not statistically significant (x to 2 = 0.36, P = 0.982). In the course of the disease, the shortest is less than 1 year to 35 years; longest duration of less than one year 11 cases (3.6%), 1 to 5 years, 88 cases (29.1%), 6 to 9 years, 69 cases (22.8%) , 10 to 14 years, 82 cases (27.2%), 15 to 19 years, 24 cases (7.9%), more than 20 years, 28 cases (9.3%). A high blood pressure of 206 cases (68.2%), 2 hypertension in 73 patients (24.2%), grade 3 hypertension in 23 patients (76%). Complications in order of proportion: diabetes, 52 cases (17.2%), cerebral infarction, 35 cases (11.6%), coronary heart disease and 28 patients (9.3%), hyperlipidemia in 11 cases (3.6%), 7 cases (2.3 HHD %), cerebral hemorrhage in 5 cases (1.7%). A family history of hypertension, 58 cases (19.2%). Lifestyle, often high-salt diet were 52 (17.2%), frequent heavy drinkers and 22 (7.3%), regular consumption of soup by 66 cases (21.9%), 22 cases (7.3 often drink herbal tea %), smoking history of 41 cases (21.7%). Treatment, the treatment rate differences at all levels significantly (x 2 = 8.172, P = 0.017), treatment of hypertension was 71.8%; 2 hypertension treatment was 84.9%; 3 hypertension treatment was 91.3% total treatment rate of 72.6%. 2 the Hong Kong EISH TCM type situation in order according to the frequency of high and low: vacuity pattern (30.1%), Yin and Yang deficiency (16.9%), liver and kidney yin deficiency syndrome (16.2%), hyperactivity of liver yang ( 12.3%), phlegm dampness card (12.3%), the proportion of less than 10% of the card type were blood stasis (2.3%), Qi (2.0%), phlegm intrinsic (1.7%), gas yin deficiency (1.3%), to yang (1.0%). 3. Syndrome type distribution in the different factors of all ages syndrome distribution differences significant (the x ~~ 2 = 23.449, P = 0.009). With increasing age, the liver and kidney, yin and yang proportion gradually increased, yin and yang increase is particularly evident phlegm dampness and liver yang gradually reduced. The proportion of men and women of each card was no significant difference (x ~ 2 = 5.212, P = 0.391). Syndrome distribution of the different levels of blood pressure was significantly different (x ~ 2 = 21.355, P = 0.019). A hypertension vacuity pattern (30.1%), followed by the yin and yang (22.3%); 2 hypertension Yinxuyangkang in decline, the liver yang significantly increase (20.5%); 3 The most obvious hyperactivity hypertension grade (34.8%) (4.3%), the proportion of yin and yang least. Hyperactivity increased gradually with the increase in the proportion of blood pressure levels, and liver yang does not have this performance. Different course years period, the difference was not significant (x ~ 2 = 22.99, P = 0.289). But the structure than, liver and kidney yin and yang, the largest proportion in the course of 20 years, while the smallest of phlegm dampness and liver yang share of proportion. And in the course of development after 14 years, the yin significantly reduced, yin and yang increased significantly. Regardless of whether the merger of other cardiovascular and cerebrovascular diseases or metabolic diseases, syndromes difference was not statistically significant (x to 2 = 9.08, P = 0.106; x to 2 = 8.184, P = 0.146). The various syndromes salt intake distribution significant difference (x to 2 = 22.889, P = 0.011). Often high-salt diet in patients with liver and kidney than never in patients with high-salt diet significantly reduced. Drinking habits, the syndrome distribution differences significant (the x ~~ 2 = 22.001, P = 0.015). Regular drinker Yinxuyangkang most obvious (45.5%); the never drinkers phlegm dampness proportion at least (10.2%). The various syndromes difference in varying degrees of eating soup (x to 2 = 34.529, P = 0.000). The frequent eating soup liver and kidney, liver yang less, never eating soup by liver yang most obvious. Syndrome Logistic regression analysis of the relevant factors introduction of various factors on liver and kidney certificate equations, x ~ 2 test prompted significant meaning (x ~~ 2 = 45.442, P = 0.007), goodness of fit is still can. Remarkable significance of the impact factors of age (70 to 79 years old), Body Type 1 (obesity) and body type (normal), cardiovascular disease, herbal tea (occasional and frequent). Vacuity pattern significant equations (x to 2 = 19.333, P = 0.002), and general goodness of fit. Significant variable size, alcohol consumption and medication. Phlegm dampness card equation also significant (x ~ 2 = 48.473, P = 0.003), goodness of fit is acceptable. Significant variable the Hexin disease, excessive alcohol consumption (never and often), soup. Hyperactivity of liver yang equation also significant (x ~ 2 = 6.296, P = 0.043), and the general goodness of fit. The significant variables soup. The yin and yang deficiency of both equations have significant (x ~ 2 = 54.442, P = 0.001), goodness of fit is acceptable. Two blood pressure variables, combined metabolic diseases, high-salt diet and herbal tea statistically significant. From the whole logistic regression analysis, hyperactivity, yin and yang, and liver and kidney certificate equations significance, impact factors than meet the clinical, but still not comprehensive; equation goodness of fit is better overcast virtual yang hyperactivity and yin and yang; phlegm dampness and liver yang equation goodness of fit is poor, the impact of factors that are not typical. Less their proportion, or relative to older people range narrow cause statistically not significant, and should be further explored. Conclusion 1., Hong Kong the region EISH Chinese medicine major syndromes frequency of high and low order: vacuity pattern (30.1%), Yin and Yang deficiency (16.9%), liver and kidney yin deficiency syndrome (16.2%), hyperactivity of liver yang (12.3%), phlegm dampness certificate (12.3%). Which the the stasis syndrome proportion is 2.3%. ISH comparison with the 60-year-old non-significant difference, EISH liver-kidney yin and yang deficiency increased significantly, significantly reduced liver yang. Terms of age, with increasing age, the liver and kidney, yin and yang proportion gradually increased, the yin and yang increase is particularly evident, phlegm dampness and liver yang gradually reduced. The proportion of men and women of each card the difference was not significant. A hypertension vacuity pattern; 2 hypertension Yinxuyangkang in decline, significantly increased liver yang; the three hypertension Yinxuyangkang most obvious. Hyperactivity proportion with elevated blood pressure levels and elevated liver yang does not have this performance. Liver and kidney yin and yang in the course of 20 years, the proportion of the maximum, and the minimum of phlegm dampness and liver yang share of proportion. Hyperactivity significantly reduce progression to 14 years, increased significantly, yin and yang. Often high-salt diet in patients with liver and kidney than never in patients with high-salt diet significantly reduced. Often drinker Yinxuyangkang's most obvious, and Yin Deficiency obvious. Frequent eating soup liver and kidney, liver yang than reducing the proportion of never eating soup. Never eat soup by liver yang is the most obvious. Multivariate analysis, liver and kidney certificate statistically significant resistance factors are age (70 to 79 years old), obesity, cardiovascular disease, herbal tea. Vacuity pattern variables are of significant size, alcohol and medication. Phlegm dampness card significantly variable the Hexin disease, excessive alcohol consumption, soup. Hyperactivity of liver yang the significant variables soup. The yin and yang deficiency of both significant variable is the two blood pressure, combined metabolic diseases, high-salt diet and herbal tea. From the whole logistic regression analysis, hyperactivity, yin and yang, and liver and kidney certificate equations significance, impact factors than meet the clinical, but still not comprehensive; equation goodness of fit is better overcast virtual yang hyperactivity and yin and yang; phlegm dampness and liver yang equation goodness of fit is poor, the impact of factors that are not typical. Less their proportion, or relative to older people range narrow cause statistically not significant, and should be further explored. With the syndrome distribution, changes in the liver, cure kidney \
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