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Biomedical subjects

Christina Chrysohoou

Publications and source records attributed to Christina Chrysohoou.

At least 55 records · Page 3Linked to original sources
PubMed2004

Climatological variations in daily hospital admissions for acute coronary syndromes.

OBJECTIVE: We examined the association between climatologic parameters and daily admissions for non-fatal acute coronary syndromes (ACS) to emergency units of hospitals in the greater Athens area, from January 2001 to August 2002. METHODS: Daily mean, maximum and minimum temperatures, relative humidity, wind speed, barometric pressure and a thermo-hydrological index (T.H.I.) were measured at the meteorological station of the Laboratory of Climatology of the Geology Department of the University of Athens. In addition, the daily number of admissions for acute myocardial infarction or unstable angina in the five major general hospitals in the greater Athens area was recorded. Generalized additive models (GAM) were applied to regress-time-series of daily numbers of outpatients with acute cardiac events against climatological variations, after controlling for possible confounders and adjustment for over dispersion and serial correlation. RESULTS: Five thousand four hundred fifty-eight Athenians with non-fatal acute cardiac events were admitted to the selected hospitals during the period of the study, 4093 (75%) males and 1365 (25%) females. There was a negative correlation between hospital admissions and mean daily temperature (MDT) with a 1 degrees C decrease in mean air temperature yielding a 5% increase in hospital admissions (P<0.05). This association was stronger in females and the elderly (P<0.01). Relative humidity was positively correlated with hospital admissions (P<0.05). CONCLUSION: Despite the relatively short study period (<2 years), these findings suggest a significant association between cold weather and increased coronary heart disease incidence, especially in the elderly and females.

Adult↗
PubMed2004

Epidemiology of overweight and obesity in a Greek adult population: the ATTICA Study.

OBJECTIVE: To evaluate the status of overweight and obesity in a Greek random sample. RESEARCH METHODS AND PROCEDURES: From 2001 to 2002, 1514 men (20 to 87 years old) and 1528 women (20 to 89 years old) were enrolled into the study. Among several sociodemographic, lifestyle, and bioclinical factors, anthropometric characteristics were also recorded. Overweight and obesity were defined according to the World Health Organization classification. RESULTS: The prevalences of overweight and obesity were 53% and 20% in men and 31% and 15% in women (p for gender differences < 0.05). The age-adjusted peak prevalence of obesity was observed in men older than 40 years old and women between 50 and 59 years old (Bonferonni alpha < 0.001). Central obesity prevailed in 36% of men and 43% of women (p for gender differences < 0.001). Obesity varied from 10% in rural to 25% in urban areas, but this difference was explained mainly by differences in occupational status (p = 0.9). Moreover, obese and overweight participants were older, less educated, more frequently sedentary, consumed higher quantities of alcoholic beverages, and were devoted to an unhealthier diet as compared with those of normal weight (all p < 0.05). A positive association was also observed between BMI and diastolic and systolic blood pressures, total cholesterol, triglycerides, and glucose levels (all p < 0.001). DISCUSSION: Overweight and obesity seem to be a great health problem in the Greek population, especially in middle-aged and older adults. Unfavorable lifestyle habits, low education, and the classical cardiovascular risk factors were associated with the prevalence of these health conditions.

Adult↗
PubMed2004

Effect of interaction between adherence to a Mediterranean diet and the methylenetetrahydrofolate reductase 677C-->T mutation on homocysteine concentrations in healthy adults: the ATTICA Study.

BACKGROUND: Dietary and genetic factors may influence the effect of raised homocysteine concentrations on coronary artery disease risk. OBJECTIVE: We evaluated the effect of the interaction between adoption of a Mediterranean diet and the methylenetetrahydrofolate reductase gene (MTHFR) 677C-->T mutation on homocysteine concentrations in healthy adults participating in the ATTICA study. DESIGN: We studied demographic, lifestyle, clinical, biochemical, and genetic information from 322 men (x +/- SD age: 46 +/- 13 y) and 252 women (45 +/- 14 y) who had no clinical evidence of cardiovascular or any other chronic disease. We also measured total plasma homocysteine concentrations, the distribution of the MTHFR genotype, and adherence to a Mediterranean diet. RESULTS: The distribution of MTHFR genotypes was as follows: homozygous normal (CC), 41%; heterozygous (CT), 48%; and homozygous mutant (TT), 11%. Homocysteine concentrations were higher in persons with the TT genotype than in those with the CC and CT genotypes (x +/- SD: 15.8 +/- 9 compared with 11.3 +/- 8 and 10.8 +/- 9 micromol/L, respectively; P < 0.001). The Mediterranean diet score was not significantly associated with homocysteine concentrations (P = 0.89). However, after control for potential confounders, the stratified analysis showed that adherence to a Mediterranean diet was associated with reduced homocysteine concentrations in persons with the TT and CT genotypes (beta = -0.21, P = 0.002, and beta = -0.14, P = 0.025, respectively) but not in those with the CC genotype (beta = -0.03, P = 0.38). CONCLUSION: The observed association of an MTHFR 677C-->T gene-diet interaction on homocysteine concentrations may provide a pathophysiologic explanation for how a Mediterranean diet may influence coronary risk in persons with raised homocysteine concentrations.

Age Factors↗
PubMed2004

Associations between coffee consumption and inflammatory markers in healthy persons: the ATTICA study.

BACKGROUND: The effect of coffee consumption on the cardiovascular system is conflicting. Inflammation is important to the development of cardiovascular disease (CVD), and several dietary factors are thought to exert significant effects on inflammation and thus on the risk of CVD. OBJECTIVE: We aimed to investigate the associations between coffee consumption and inflammatory markers. DESIGN: The cross-sectional survey enrolled 1514 men (x +/- SD age: 46 +/- 13 y; range: 18-87 y) and 1528 women (aged 45 +/- 13 y; range: 18-89 y). Five percent of men and 3% of women were excluded for history of CVD. Fasting blood samples were collected. Dietary habits (including consumption of various types of coffee) were evaluated by using a validated food-frequency questionnaire. RESULTS: Compared with coffee nondrinkers, men who consumed >200 mL coffee/d had 50% higher interleukin 6 (IL-6), 30% higher C-reactive protein (CRP), 12% higher serum amyloid-A (SAA), and 28% higher tumor necrosis factor alpha (TNF-alpha) concentrations and 3% higher white blood cell (WBC) counts (all: P < 0.05). Women who consumed >200 mL coffee/d had 54% higher IL-6, 38% higher CRP, 28% higher SAA, and 28% higher TNF-alpha concentrations and 4% higher WBC counts (all: P < 0.05) than did coffee nondrinkers. The findings were significant even after control for the interactions between coffee consumption and age, sex, smoking, body mass index, physical activity status, and other covariates. CONCLUSIONS: A relation exists between moderate-to-high coffee consumption and increased inflammation process. This relation could explain, in part, the effect of increased coffee intake on the cardiovascular system.

Adolescent↗
PubMed2004

The association between physical activity and the development of acute coronary syndromes in diabetic subjects (the CARDIO2000 II study).

BACKGROUND: The prevalence of type-2 diabetes is increasing dramatically, primarily being driven by environmental factors, like dietary and exercise habits. In this study we investigated the association of physical activity and acute coronary events in diabetic patients, an issue that has not been adequately studied so far. DESIGN: Cross-sectional, case-control study. METHODS: We studied demographic, lifestyle, dietary and clinical information in 216 hospitalized diabetic patients (171 men, 45 women) with a first event of an acute coronary syndrome and 196 frequency matched (by age and sex) diabetic controls (154 men, 42 women) without any evidence of coronary heart disease. Physical activity was evaluated according to the kcal/min expended and the weekly frequency of exercise. Physically active were considered those who reported non-occupational physical activity >once/week (at least 30 min/time). RESULTS: Seventy-eight (36%) of 216 patients and 110 (56%) of 196 controls were classified as physically active (P<0.001). Multivariate conditional logistic regression analysis revealed that the odds ratio for developing an acute coronary event in diabetic subjects who reported moderate levels of physical activity was 0.22 [95% confidence interval (CI): 0.12-0.47], while in those who reported vigorous physical activity it was 0.33 (95% CI: 0.21-0.59), after adjusting for age, sex, and the conventional cardiovascular risk factors. CONCLUSIONS: Physical activity (moderate and vigorous) seems to be associated with a lower prevalence of acute coronary events in the investigated group of diabetic subjects. Light physical activity does not seem to have any significant association with the development of acute coronary events.

Acute Disease↗
PubMed2004

The associations between smoking, physical activity, dietary habits and plasma homocysteine levels in cardiovascular disease-free people: the 'ATTICA' study.

Homocysteine levels are considered, by some investigators, as an independent factor of cardiovascular disease; however, others suggest that there is not a causal relationship. The aim of this work was to investigate the associations between homocysteine levels and several lifestyle-related factors. The ATTICA study is a population-based cohort that has randomly enrolled 1128 adult men and 1154 women, stratified by age and gender, from the greater area of Athens, during 2001-2002. Among several demographic, lifestyle, clinical and biochemical characteristics, we measured total plasma homocysteine levels. For the present analysis, we excluded people who had a history of cardiovascular disease. The factors that showed the strongest relationship with homocysteine levels, in both genders, even after adjusting for several potential confounders were: cigarette smoking (p = 0.03), endurance exercise (inverse, p < 0.05), fruit (inverse, p = 0.01) and vegetable intake (inverse, p = 0.04), and alcohol (p = 0.04) and coffee intake (p = 0.04). In conclusion, several lifestyle-related factors seem to be associated with homocysteine levels. However, the vast majority of the associations were weak when we adjusted for other co-factors. The latter may indicate the mutual confounding effect of various socio-demographic, anthropometric and other clinical characteristics on the relationship between homocysteine and cardiovascular risk.

Adult↗
PubMed2004

Echocardiographic and electrocardiographic prognostic factors of heart failure in young patients with beta-thalassemia major: a 10-year (1995--2004) follow-up.

Despite intense iron-chelation therapy, the life expectancy of patients with beta-thalassemia major (beta-TM) is still limited by the occurrence of heart failure. In the present study, we sought to evaluate the prognostic significance of several clinical factors on the outcome of heart failure or arrhythmias in patients with beta-TM. The study group consisted of 131 consecutive young patients with beta-TM (71 men aged 21+/-4 years, 60 women aged 22+/-5 years) who were initially examined during 1995. The clinical and vital statuses of all patients were biannually reviewed from 1995 to 2004. Cox proportional hazards models were used to evaluate the association of the occurrence of death or nonfatal events due to heart failure or arrhythmias with clinical factors (systolic and diastolic blood pressures), echocardiographic factors (left and right ventricular diameters, left atrial and aortic root dimensions, left ventricular ejection fraction), electrocardiographic factors (T-wave inversion in leads V1-V3, QRS duration, heart rate), and serum ferritin levels, after controlling for age, sex, and body mass index. During the follow-up, 11 men (16%) and 5 women (8%) had an event (men versus women, P = .212). The age-adjusted event rate was 16 events per 913 person-years (2%). The presence of T-wave inversion in right precordial leads (hazard ratio = 3.06; 95% confidence interval [CI], 1.1-8.8), increased heart rate (hazard ratio = 1.28; 95% CI, 1.03-1.58), decreased aortic root diameter (hazard ratio = 0.84; 95% CI, 0.73-0.96), and decreased ejection fraction (hazard ratio per 1% change = 0.95; 95% CI, 0.91-0.99) were associated with a higher risk for a cardiac event. We revealed that the presence of T-wave inversions, increased heart rate, low ejection fraction of the left ventricle, and decreased aortic root diameter appear to confer higher risk for cardiac events in young patients with beta-TM.

Adult↗
PubMed2004

An integrated assessment of family history on the risk of developing acute coronary syndromes (CARDIO2000 study).

OBJECTIVE: In this work we assessed a risk score for developing a first event of acute coronary syndrome (ACS) based on the family history of the cardiovascular risk factors. METHODS AND RESULTS: The studied population consisted of 848 randomly selected middle-aged patients with first event of ACS and 1078 sex-age-region matched controls admitted to the same hospitals for minor operations and without any clinical suspicion of cardiovascular disease in their life. A Family History Score (FHS) was developed based on the presence of coronary heart disease, hypertension, hypercholesterolaemia and diabetes mellitus, among first-degree relatives of the participants after adjusting for the family size. The evaluation of FHS was based on conditional logistic regression analysis, after controlling for demographic variables as well as for the mutual confounding effects of other risk factors. Family history of CHD, hypercholesterolaemia and diabetes was highly associated with the development of the disease. The introduced FHS was also highly associated with the development of ACS among participants who had no family history of CHD (odds ratio = 10.9, p < 0.001), whereas it was not associated with the development of the disease among participants who had a family history of CHD (odds ratio = 1.41, p = 0.543). CONCLUSIONS: The suggested FHS could be a useful tool in the primary prevention of ACS, as well as in detecting and understanding associations between genetic vulnerability and cardiovascular risk factors.

Acute Disease↗
PubMed2004

Lack of increased left main coronary artery dimensions in hypertensive patients with left ventricular hypertrophy and coronary artery disease. An intracoronary ultrasound study.

OBJECTIVES: Left main coronary artery dimensions were evaluated in patients with and without arterial hypertension, in the presence of coronary artery disease, and correlated to left ventricular mass. METHODS AND RESULTS: Intracoronary ultrasound was performed in 25 patients (pts) with coronary artery disease and hypertension (+HTN) and in 25 pts with coronary artery disease only (-HTN). Maximal left main dimensions and left ventricular mass index (LVMI) were measured. +HTN pts had greater LVMI compared to -HTN, (+HTN = 183 +/- 17 g/m2 vs. -HTN = 82 +/- 22 g/m2, p < 0.0001), while maximal left main vessel area was similar (25.99 +/- 5.01 mm2 vs. 25.62 +/- 3.3 mm2, p = 0.8). No correlation was found between LVMI and left main vessel area in + HTN. CONCLUSIONS: Pts with +HTN despite the increased LVMI do not manifest increased LM dimensions. This may affect mid-term clinical outcome.

Adrenergic beta-Antagonists↗
PubMed2003

Epidemiology of cardiovascular risk factors in Greece: aims, design and baseline characteristics of the ATTICA study.

BACKGROUND: In an attempt to evaluate the levels of several cardiovascular risk factors in Greece we conducted a population-based health and nutrition survey, the "ATTICA study". In this work we present the design and the methodology of the study, as well as the status of various baseline characteristics of the participants. METHODS: From May 2001 to December 2002 we randomly enrolled 1514 adult men and 1528 adult women, stratified by age--gender (census 2000), from the greater area of Athens. More than 300 demographic, lifestyle, behavioral, dietary, clinical and biochemical variables have been recorded. RESULTS: Regarding the frequency of the classical cardiovascular risk factors we observed that 51% of men and 39% of women reported smokers (p < 0.05), 37% of men and 25% of women were defined as hypertensives (p < 0.05), 46% of men and 40% of women had total serum cholesterol levels above 200 mg/dl (p < 0.05) and 8% of men and 6% of women had history of diabetes mellitus. Moreover, 20% of men and 15% of women were obese (p < 0.05), while men were more physically active as compared to women (42% vs. 39%, p < 0.05). 19% of men and 38% of women had mild to severe depressive symptoms (p < 0.01). Finally, 72 men (5%) and 45 (3%) women reported history of coronary heart disease at entry evaluation. CONCLUSIONS: The prevalence of the common cardiovascular risk factors in our population seems high. As a consequence a considerable proportion of Greek adults are at "high-risk" for future cardiovascular events.

Adult↗
PubMed2003

Physical activity, high density lipoprotein cholesterol and other lipids levels, in men and women from the ATTICA study.

BACKGROUND: Physical activity has long been associated with reduced risk of coronary heart disease (CHD). In this work we evaluated the effect of physical activity on lipid levels, in a sample of cardiovascular disease free people. METHODS: The ATTICA study is a population-based cohort that has randomly enrolled 2772 individuals, stratified by age-gender (according to the census 2001), from the greater area of Athens, during 2001-2002. Of them, 1376 were men (45 +/- 12 years old, range: 18-86) and 1396 women (45 +/- 13 years old, range: 18-88). We assessed the relationship between physical activity status (measured in kcal/min expended per day) and several lipids, after taking into account the effect of several characteristics of the participants. RESULTS: 578 (42%) men and 584 (40%) women were classified as physically active. Compared to sedentary physically active women had significantly lower levels of total serum cholesterol (p < 0.05), LDL (p < 0.05) and oxidized LDL cholesterol (p < 0.05), triglycerides (p < 0.05), apolipoprotein B (p < 0.05), and higher levels of HDL cholesterol (p < 0.05) and apolipoprotein A1 (p < 0.05). Similar associations were observed in men, but the benefits did not reach statistical significance. However, when we adjusted for age, smoking habits and body mass index, physical activity was only significantly associated with higher HDL-cholesterol (p < 0.05) and apolipoprotein A1 (p < 0.05) levels, in women, but not in men. CONCLUSIONS: Substantial independent increases in HDL-cholesterol and apolipoprotein A1 concentrations were observed in women, but not in men, in a Mediterranean cohort.

Journal Article↗
PubMed2003

Consumption of fruits and vegetables in relation to the risk of developing acute coronary syndromes; the CARDIO2000 case-control study.

BACKGROUND: The relation between diet and human health has long been investigated. The aim of this work is to evaluate the association between CHD risk and the consumption of fruit and vegetable, in a large sample of cardiac patients and controls. METHODS: Stratified sampling from all Greek regions, consisted of 848 (700 males, 58 +/- 10 years old and 148 females, 65 +/- 9 years old) randomly selected patients, admitted to the cardiology clinic for a first event of an acute coronary syndrome (ACS). In addition we selected 1078 frequency paired, by sex-age-region, controls in the same hospitals but without any clinical suspicion of CHD. Using validated food-frequency questionnaires we assessed total diet, including fruit and vegetable intake, on a weekly basis. Multiple logistic regression analysis estimated the relative risk of developing ACS by level of fruits and vegetables intake after taking into account the effect of several potential confounders. RESULTS: Data analysis revealed that the benefit of fruit or vegetable consumption increases proportionally by the number of servings consumed (P for trend < 0.001). After adjusting for the conventional cardiovascular risk factors, those in the upper quintile of fruit consumption (5 or more items/day) had 72% lower risk for CHD (odds ratio = 0.28, 95% CI 0.11-0.54, P < 0.001), compared with those in the lowest quintile of intake (< 1 items/day). Similarly, consumption of vegetable more than 3 days/week was associated with 70% lower risk for CHD (odds ratio = 0.30, 95% CI 0.22-0.40, P < 0.001), compared with those that they did not consume vegetables. Of particular interest, a 10% reduction in coronary risk was observed for every one piece of fruit consumed per day (odds ratio = 0.90, 95% CI 0.85-0.97, P = 0.004). CONCLUSIONS: Consumption of fruits and vegetables seems to offer significant protection against CHD.

Journal Article↗
PubMed2003

Temperature differences are associated with malignancy on lung lesions: a clinical study.

BACKGROUND: Although new endoscopic techniques can enhance the ability to detect a suspicious lung lesion, the primary diagnosis still depends on subjective visual assessment. We evaluated whether thermal heterogeneity of solid tumors, in bronchial epithelium, constitutes an additional marker for the diagnosis of benign and malignant lesions. METHODS: A new method, developed in our institute, is introduced in order to detect temperature in human pulmonary epithelium, in vivo. This method is based on a thermography catheter, which passes the biopsy channel of the fiber optic bronchoscope. We calculated the temperature differences (DeltaT) between the lesion and a normal bronchial epithelium area on 22 lesions of 20 subjects, 50 - 65 years old. RESULTS: Eleven lesions were benign and 11 were malignant, according to the biopsy histology followed the thermography procedure. We found significant differences of AT between patients with benign and malignant tumor (0.71 +/- 0.6 vs. 1.23 +/- 0.4 degrees C, p < 0.05). Logistic regression analysis showed that 1-Celsius degree differences between normal tissue and suspicious lesion six-fold the probability of malignancy (odds ratio = 6.18, 95% CI 0.89 - 42.7). Also, DeltaT values greater than 1.05 degrees C, constitutes a crucial point for the discrimination of malignancy, in bronchial epithelium, with sensitivity (64%) and specificity (91%). CONCLUSION: These findings suggest that the calculated DeltaT between normal tissue and a neoplastic area could be a useful criterion for the diagnosis of malignancy in tumors of lung lesions.

Aged↗
PubMed2003

Forty-years (1961-2001) of all-cause and coronary heart disease mortality and its determinants: the Corfu cohort from the Seven Countries Study.

AIMS: This study examined risk factors in relation to 40-year all-cause and coronary heart disease mortality in the Corfu cohort of the Seven Countries Study. METHODS: The population studied in this analysis consisted of 529 rural middle-aged men enrolled in 1961. Multivariate analysis was performed using the proportional hazards Cox model with all-cause as well as coronary heart disease death as end points and age, blood pressure, serum total cholesterol, smoking, physical activity, body mass index, skinfold thickness, vital capacity and forced expiratory volume as predictors. RESULTS: The 40-year all-cause mortality rate was 87.1% (461 deaths/529 individuals at entry), while the CHD mortality rate was 22.7% (120 deaths/529 individuals at entry). The proportion of CHD deaths varied from 16 to 28.5% of all deaths during the period investigated. Age (hazard ratio (HR)=1.08, P<0.001), smoking (HR=1.40, P<0.01), diastolic blood pressure (HR=1.01, P<0.05), and forced expiratory volume (HR=0.97, P<0.05) were independently associated with 40-year all-cause mortality. Moreover, age (HR=1.093, P<0.001), smoking (HR=1.596, P<0.05), and body mass index (HR=1.05, P<0.05) were independently associated with 40-year CHD mortality. CONCLUSION: Among the investigated cardiovascular risk factors, age, smoking, physical activity, skinfold thickness, diastolic blood pressure, and forced expiratory volume seem to be associated with all-cause mortality, while age, smoking, and body mass index were consistently associated with 40-year CHD mortality.

Aged↗
PubMed2003

The J-shaped effect of coffee consumption on the risk of developing acute coronary syndromes: the CARDIO2000 case-control study.

The effect of coffee consumption on cardiovascular disease has been debated for many years. In this work, we evaluated the association between coffee consumption and the risk of developing acute coronary syndromes, based on a random sample of 848 patients with their first coronary heart disease event and 1078 frequency-matched controls with no cardiovascular disease in their medical history, from the entire country. The multivariate analysis raises a J-shaped association between the risk of developing acute coronary syndromes and the quantity of coffee consumed per day. In particular, the odds ratios for moderate (<300 mL/d), heavy (300-600 mL/d), and very heavy (>600 mL/d), consumption, relative to no consumption, were 0.69 (95% CI, 0.50-0.86), 1.56 (95% CI, 1.10-2.34) and 3.10 (95% CI, 1.82-5.26), respectively, after controlling for the presence of hypertension, hypercholesterolemia, diabetes mellitus, family history of premature coronary heart disease, physical activity status, smoking habits, BMI, alcohol consumption, triglycerides, consumption of several food items, depression scale score and education status. The suggested J-shaped association between coffee consumption and the risk of developing acute coronary syndromes may partially explain the conflicting results from other studies in the past.

Aged↗
PubMed2003

Thermal heterogeneity constitutes a marker for the detection of malignant gastric lesions in vivo.

BACKGROUND: Several studies have attempted to investigate the association of thermal difference between malignant tumors and inflammatory benign lesions. In this work, we evaluated whether thermal heterogeneity of solid tumors in the stomach constitutes a marker for the diagnosis of benign, preneoplastic, and malignant lesions. STUDY: A thermistor probe was used that attached to the distal end of a long and steerable, 3fr-thermography catheter passed through the biopsy channel of the gastroscope and came in touch with the stomach epithelium to measure temperature differences (DeltaT) between normal tissue and various types of lesions. The method was applied in 8 patients with benign hyperplastic gastric lesions, 19 patients with gastritis, 9 patients with peptic ulcer, 7 patients with dysplasia and 11 patients with gastric adenocarcinoma. RESULTS: Progressive changes in DeltaT between hyperplastic gastric lesions, gastritis, ulcer, dysplasia and adenocarcinoma were observed (P < 0.001). Statistical analysis showed that DeltaT greater than 1.7 degrees C, constitutes a crucial point for the diagnosis of malignancy, in stomach lesions, with sensitivity (72%) and specificity (94%). CONCLUSIONS: These findings suggest that the detection of DeltaT, between normal tissue and neoplastic lesions, could be useful in clinical practice for the differential diagnosis of stomach lesions, even in the early stages.

Aged↗
PubMed2003

Status and management of hypertension in Greece: role of the adoption of a Mediterranean diet: the Attica study.

OBJECTIVE: To evaluate the prevalence, awareness, treatment, and control of hypertension, in a random sample of adults free of cardiovascular disease, in Greece. A secondary goal was to evaluate the association between hypertension status and adoption of the Mediterranean diet. DESIGN: Cross-sectional survey. PARTICIPANTS: On the basis of multistage sampling, 1,128 men and 1,154 women older than 18 years were enrolled. MAIN OUTCOME MEASURES: The survey included a detailed interview and, among other clinical measurements, status and management of blood pressure were recorded. Adoption of the Mediterranean diet was assessed through a special questionnaire. RESULTS: The prevalence of hypertension was 38.2% in men and 23.9% in women (P < 0.05). The majority of men (65%) and women (40%) were untreated, and of those who were treated, only 109 of 319 (34%) had their blood pressure adequately controlled. Thus only 15% of the hypertensive population had their blood pressure well controlled. Multivariate logistic regression analysis revealed that consumption of a Mediterranean diet was associated with a 26% (odds ratio = 0.74, P = 0.008) lower risk of being hypertensive, and with a 36% (odds ratio = 1.36, P = 0.021) greater probability of having the blood pressure controlled. CONCLUSIONS: A considerable proportion of the general population remain unaware of having hypertension or do not have their blood pressure well controlled. However, consumption of a Mediterranean type of diet seems to reduce rates of hypertension in the population, and may contribute to the control of hypertension at the population level.

Adult↗