Demosthenes B Panagiotakos

Bentham Science Publishers, Ash Shāriqah, Ash Shāriqah, United Arab Emirates

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Publications (684)2818.45 Total impact

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    ABSTRACT: Urine color (UC) is a practical tool for hydration assessment. The technique has been validated in adults, but has not been tested in children. The purpose of the study was to test the validity of the urine color scale in young, healthy boys and girls, as a marker of urine concentration, investigate its diagnostic ability of detecting hypohydration and examine the ability of children to self-assess UC. A total of 210 children participated (age: 8-14 years, body mass: 43.4 ± 12.6 kg, height: 1.49 ± 0.13 m, body fat: 25.2 ± 7.8 %). Data collection included: two single urine samples (first morning and before lunch) and 24-h sampling. Hydration status was assessed via urine osmolality (UOsmo) and UC via the eight-point color scale. Mean UC was 3 ± 1 and UOsmo 686 ± 223 mmol kg(-1). UC displayed a positive relationship as a predictor of UOsmo (R (2): 0.45, P < 0.001). Based on the receiver operating curve, UC has good overall classification ability for the three samples (area under the curve 85-92 %), with good sensitivity (92-98 %) and specificity (55-68 %) for detecting hypohydration. The overall accuracy of the self-assessment of UC in the morning or the noon samples ranged from 67 to 78 %. Further threshold analysis indicated that the optimal self-assessed UC threshold for hypohydration was ≥4. The classical eight-point urine color scale is a valid method to assess hydration in children of age 8-14 years, either by researchers or self-assessment.
    European Journal of Nutrition 04/2015; DOI:10.1007/s00394-015-0905-2 · 3.84 Impact Factor
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    ABSTRACT: The determinants that promote living beyond life expectancy and successful aging still remain unknown. The aim of the present work was to evaluate the role of energy balance in successful aging, in a random sample of older adults living in the Mediterranean basin. During 2005 to 2011, 2,663 older (aged 65-100 years) adults from 21 Mediterranean islands and the rural Mani region (Peloponnesus) of Greece were voluntarily enrolled in the study. Dietary habits, energy intake, expenditure, and energy balance were derived throughout standard procedures. A successful aging index (range = 0-10) was used. After adjusting for several confounders, high energy intake (i.e., >1,700 kcal/day), b-coefficient [95% CI] = -0.21[-0.37, -0.05], as well as positive energy balance, b-coefficient [95% CI] = -0.21 [-0.37, -0.05], were inversely associated with successful aging. A diet with excessive energy intake and a positive energy balance seems to be associated with lower quality of life, as measured through successful aging. © The Author(s) 2015.
    Journal of Aging and Health 04/2015; DOI:10.1177/0898264315583053 · 1.56 Impact Factor
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    ABSTRACT: The protective role of Mediterranean diet on cardiovascular disease (CVD) risk has been extensively discussed in the literature, but its incremental effect over the use of CVD risk reducing agents (such as hypolipidemic treatment) has rarely been evaluated. The ATTICA study was carried out in the Athens area during 2001-2002 and included 3042 participants free of CVD at baseline (49.8% men, aged 18-89 years). Adherence to Mediterranean diet was assessed using the MedDietScore (range 0-55) and statin use was recorded for all subjects. During 2011-2012, 2583 out of the 3042 baseline participants attended the 10-year follow-up of the ATTICA study (15% lost-to-follow-up) and CVD development was recorded. Adherence to Mediterranean diet (highest tertile) decreased CVD risk by 29.3% (Hazard Ratio (HR): 0.707, 95% Confidence Intervals (CI): 0.537-0.831) as compared with the lowest tertile, independently of statin use. Patients with hyperlipidemia on a statin that had unhealthy dietary habits (lowest tertile) had 75% increased CVD risk than normolipidemic subjects with healthy dietary habits (HR=1.75, 95%CI: 1.33-2.29). The addition of Mediterranean diet tertiles in the multivariable model reclassified 46.7% of the participants to CVD risk categories. Adherence to Mediterranean diet confers a considerable reduction in CVD risk, independently of gender, age, family history of CVD, diabetes mellitus, smoking status, hypertension and physical activity status. Therefore, CVD prevention strategies should involve the implementation of a Mediterranean diet in both the general population and patients on a statin.
    Current Vascular Pharmacology 04/2015; · 2.91 Impact Factor
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    ABSTRACT: Arrhythmogenic right-ventricular cardiomyopathy (ARVC) is a genetically determined disorder, mostly caused by mutations in genes encoding desmosomal proteins. We evaluated phenotype/genotype characteristics to predict the risk for the first major arrhythmic event in desmosomal-mutation-associated ARVC families. A cohort of 105 desmosomal-mutation carriers belonging to 39 consecutive ARVC families was evaluated. Serial clinical work-up consisting of history, physical examination, 12-lead/signal-averaged/24 h ambulatory ECG, and two-dimensional echocardiography was performed every 6-12 months. The predictive value of gender and genotype for the first major arrhythmic event was investigated within the cohort using time-to-event analysis. ECG/echocardiographic features were evaluated at the time of event and associated with the outcome using an age-matched nested case-control study within the cohort. Forty-three (41%) participants experienced the primary arrhythmic outcome at median age of 29 (21-46) years. The first event was sustained ventricular tachycardia in 31 and sudden cardiac death in 12. Definite diagnosis according to the 2010 Task Force criteria, showed 57% positive and 100% negative predictive value for the occurrence of arrhythmic outcome. Male gender (hazard ratio = 3.26, 95%CI, 1.63-6.51), predicted the first major arrhythmic event, independently of genotype, on multivariable analysis. Repolarization abnormalities and left-ventricular dysfunction independently associated with clinical disease profile at the time of event. Male gender, independently of genotype is an arrhythmic risk predictor in ARVC-associated desmosomal-mutation carriers. Repolarization abnormalities and left-ventricular dysfunction are important components of the first event-associated clinical disease profile. Published on behalf of the European Society of Cardiology. All rights reserved. © The Author 2015. For permissions please email:
    Europace 03/2015; DOI:10.1093/europace/euv061 · 3.05 Impact Factor
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    ABSTRACT: The aim of this study was to evaluate the gender-oriented differences in the outcomes of a lifestyle intervention trial (diet, smoking cessation, and exercise) among patients who had open heart surgery. A randomized, nonblind intervention study was performed on 500 patients who had open heart surgery. Immediately after hospital discharge, 250 patients were randomly allocated lifestyle intervention by receiving oral and written information in the form of a booklet with specific educational information for postoperative rehabilitation. The remaining 250 patients received the regular oral instructions. The applied lifestyle intervention proved to be beneficial only in men as far as quitting smoking (relative risk [RR]: 0.36, confidence interval [CI]: 0.16-0.80; P = .01) and returning to work (RR: 0.35, CI: 0.13-0.92; P = .03) are concerned. For both genders, no significant associations between dietary and physical activity recommendations were observed. Lifestyle nursing intervention immediately after open heart surgery had a beneficial effect on men 1 year after the surgery but not on women. Thus, there is a need for gender-specific studies among women. © The Author(s) 2015.
    Angiology 03/2015; DOI:10.1177/0003319715577293 · 2.37 Impact Factor
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    ABSTRACT: The aim of the present work was to examine the association of depression and marital status, with the long-term prognosis of Acute Coronary Syndrome (ACS), among a Greek sample of cardiac patients. From October 2003-September 2004 a sample of 2,172 consecutive ACS patients from 6 hospitals was enrolled. In 2013-14, the 10-year follow-up was performed in 1,918 participants. Depressive symptoms were evaluated using the validated CES-D score (range 0-60), while marital status was classified as: single, married/cohabitants, divorced and widowed at the time of entry to the study. patients in the upper tertile of CES-D (>20 score) had 41% (95%CI 14%, 75%) higher risk of ACS incidence as compared with those in the lowest (<7 score). In contrary, married patients had 29% lower risk (95%CI 6%, 46%) of ACS mortality compared with single, widowed or divorced. Multi-adjusted analysis revealed that, among the "not married" patients, 1-point increase in the CES-D score was associated with 2% (p=0.02) and 4% (p=0.001) higher risk of having non- fatal or fatal cardiac events, respectively. The present study highlights the important role of depression in the context of marital relationships among ACS patients. Secondary public health care intervention programs are needed to improve patient outcomes and minimize disease burden in clinical and community setting.
    Psychology & Health 03/2015; DOI:10.1080/08870446.2015.1034720 · 1.95 Impact Factor
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    BMC Pregnancy and Childbirth 03/2015; 15(1). DOI:10.1186/s12884-015-0498-z · 2.15 Impact Factor
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    ABSTRACT: The objectives of the present study were to identify childhood energy misreporting, and evaluate characteristics that are associated with its prevalence in a nationwide cross-sectional sample of Greek schoolchildren. Under the context of the GRECO (Greek Childhood Obesity) study, data from a total of 4547 children aged 10-12 years and 2318 parents were included in the analysis. Anthropometric, lifestyle and parental characteristics plus psychological concerns were investigated in relation to the prevalence of energy misreporting. Of the included children, 36 % were classified as energy under-reporters and 16 % as over-reporters. Multinomial logistic regression analysis revealed that the most important predictors of energy under-reporting (URP) were children's BMI (OR 1·11, 95 % CI 1·09, 1·14) and weight satisfaction (OR 0·87, 95 % CI 0·78, 0·97). In the case of energy over-reporting (ORP), children's BMI (OR 0·87, 95 % CI 0·84, 0·90), meal and snack consumption frequency (OR 1·52, 95 % CI 1·32, 1·75), female sex (OR 0·65, 95 % CI 0·45, 0·90), and maternal education (OR 0·95, 95 % CI 0·91, 0·99) remained as significant predictors. Additionally, parental perception that the body weight of their children was normal reduced the odds of URP (OR 0·69, 95 % CI 0·48, 0·99) and ORP (OR 0·53, 95 % CI 0·31, 0·93). In conclusion, the present study confirms that the issue of URP and ORP in childhood populations is evident and quite serious. Although there are no definite guidelines on how to use data obtained from misreporters in an epidemiological dataset, validity of reported energy intake seems to be influenced by children's BMI and weight satisfaction, as well as by parental perceptions regarding their children's weight.
    The British journal of nutrition 03/2015; 113(07):1-9. DOI:10.1017/S0007114515000458 · 3.34 Impact Factor
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    ABSTRACT: The aim of the present interim analysis was to compare the clinical efficacy and safety of the generic clopidogrel besylate (CB) with the innovator clopidogrel hydrogen sulphate (CHS) salt in patient groups eligible to receive clopidogrel. A 2-arm, multicenter, open-label, phase 4 clinical trial. Consecutive patients (n=1,864) were screened and 1,800 were enrolled in the trial and randomized to CHS (n=759) or CB (n=798). Primary efficacy end point was the composite of myocardial infarction, stroke or death from vascular causes, and primary safety end point was rate of bleeding events as defined by Bleeding Academic Research Consortium (BARC) criteria. At 6-months follow-up no differences were observed between CB and CHS in primary efficacy end point (OR, 0.80; 95% CI, 0.37 to 1.71; p=0.57). Rates of BARC-1,-2,-3a and -5b bleeding were similar between the two study groups whereas no bleeding events according to BARC-3b, -3c, -4 and -5a were observed in either CHS or CB group. The clinical efficacy and safety of the generic CB is similar to that of the innovator CHS salt, thus, it can be routinely used in the secondary prevention of atherothrombotic events for a period of at least 6 months. (Salts of Clopidogrel: Investigation to ENsure Clinical Equivalence, SCIENCE study Clinical Identifier: NCT02126982).
    Current Vascular Pharmacology 03/2015; · 2.91 Impact Factor
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    ABSTRACT: Cardiovascular disease (CVD) remains the leading cause of morbidity and mortality worldwide, and educational level seems to be an important determinant of the disease occurrence. The aim of this work was to investigate the association between education status and 10-year incidence of CVD, controlling for various socio-demographic lifestyle and clinical factors. From May 2001 to December 2002, 1514 men and 1528 women (>18 years) without any clinical evidence of CVD or any other chronic disease, at baseline, living in greater Athens area, Greece, were enrolled. In 2011-2012, the 10-year follow-up was performed in 2583 participants (15% of the participants were lost to follow-up). Incidence of fatal or non-fatal CVD was defined according to WHO-ICD-10 criteria. Education status was measured in years of schooling. The 10-year incidence of CVD was 15.7% [95% confidence intervals (CI) 14.1%-17.4%], 19.7% in men and 11.7% in women (Pgender < 0.001). Age-and gender-adjusted analyses revealed that those with low education (<9 years of schooling) were 1.52 times more likely (95% CI 1.03-2.23%) to have CVD compared with those with high education (>12 years of schooling). People in the low education group had higher prevalence of hypertension, diabetes and dyslipidaemias, were more likely to be smokers and sedentary, had less healthy dietary habits, as compared with those in the high education group. When controlling for participants' medical history, smoking, dietary and lifestyle habits, low education was no longer significantly associated with CVD, illustrating the mediating effect of clinical and behavioural factors in the link between education and disease. It was of interest that low education status interacted with alcohol drinking, enhancing the adverse effect of low education on CVD risk (relative risk 1.44, 95% CI 0.94%-2.20%), after various adjustments made. In this study, it was concluded that low educational level was associated with increased CVD risk. This was mainly explained by the intermediate association of low education with unhealthy choices that consequently worsen clinical status. © 2015 John Wiley & Sons Ltd.
    Health & Social Care in the Community 03/2015; DOI:10.1111/hsc.12216 · 1.15 Impact Factor
  • Journal of the American College of Cardiology 03/2015; 65(10):A1449. DOI:10.1016/S0735-1097(15)61449-8 · 15.34 Impact Factor
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    ABSTRACT: The objective of the present study was to investigate possible associations of dietary patterns with high blood pressure (BP) in a nationwide cross-sectional sample of 10-12 years old Greek schoolchildren. Anthropometric measurements and information on dietary (by a semi-quantitative food frequency questionnaire) and physical activity habits were obtained from the children. BPs was measured in a single occasion using a standard protocol. Data from 2024 normal energy reporting children were included in the analysis. Principal component analysis was applied to identify dietary patterns. Seven dietary components (patterns) were extracted explaining 55% of the total variation in intake. Multiple logistic regression analysis revealed that predictors of high BP (75th percentile of SBP and/or DBP) were a pattern mainly characterized by the high consumption of cheese and red processed meat [odds ratio (OR) 1.15; 95% confidence intervals (CI) 1.03-1.30], being overweight (OR 2.10; 95% CI 1.61-2.73) or obese (OR 3.84; 95% CI 2.44-6.06) and breakfast frequency (OR 0.95; 95% CI 0.90-0.99). After controlling for sodium intake levels, the dietary pattern did not remain a significant predictor of high BP, indicating the potential mediating effect of sodium in the association. A dietary pattern that is characterized by high cheese and red processed meat consumption increases the likelihood of having high BP in children, probably through increasing dietary sodium intake. These findings could guide future interventions or public health initiatives to prevent the increasing rates of childhood elevated BP levels.
    Journal of Hypertension 02/2015; 33(6). DOI:10.1097/HJH.0000000000000536 · 4.22 Impact Factor
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    ABSTRACT: Aims and objectivesTo evaluate the one-year prognosis of a lifestyle counselling intervention (diet, smoking cessation and exercise) among patients who had open heart surgery.Background Cardiovascular disease is the leading cause of morbidity worldwide in both developing and developed countries. Lifestyle modification plays an important role for patients who are at a high risk of developing cardiovascular disease and for those with an established cardiovascular disease.DesignRandomised, nonblind and lifestyle counselling intervention study with a one-year follow-up.MethodsA randomised, nonblind intervention study was performed on 500 patients who had open heart surgery. After hospital discharge, 250 patients (intervention group) were randomly allocated lifestyle counselling according to the recent guidelines provided by the European Society of Cardiology (European Journal Preventive Cardiology, 19, 2012, 585). The remaining 250 patients (control group) received the regular instructions. Primary end-point was the development of a cardiovascular disease (nonfatal event) during the first year; secondary end-points included fatal events, smoking abstinence, dietary habits and a physical activity evaluation.ResultsAccording to the primary end-point, the odds of having a nonfatal cardiovascular disease event are 0·56-times (95%CI 0·28, 0·96, p = 0·03) lower for the intervention group compared to the control group. One-year after surgery, it was found that participants in the intervention group were 1·96-times (95%CI 1·31, 2·93, p < 0·001) more likely to achieve dietary recommendations, 3·32-times (95%CI 2·24, 4·91, p < 0·001) more likely to achieve physical activity recommendations and 1·34-times (95%CI 1·15, 1·56, p < 0·001) more likely to return to work.Conclusion Lifestyle counselling intervention following open heart surgery can improve health outcomes and reduce the risk of a new cardiac event. Health care services must recommend and organise well-structured cardiac rehabilitation programmes adjusted to the patient's needs.Relevance to clinical practiceA well-structured cardiac rehabilitation programme adjusted to the patient's profile is a safe and cost-effective way to improve patients' outcome.
    Journal of Clinical Nursing 02/2015; DOI:10.1111/jocn.12762 · 1.23 Impact Factor
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    ABSTRACT: Background: Financial status has been considered as an important health determinant and has been associated with compliance to healthier lifestyle habits, medical treatment and increased prevalence of mental disorders. The aim of this work was to evaluate the association between financial status, patient adherence to medication, 10-year all-cause mortality and risk for Acute Coronary Syndrome (ACS), in a Greek sample of cardiac patients. Methods: From October 2003-September 2004 a sample of 2,172 consecutive ACS patients from 6 hospitals was enrolled. In 2013-14, the 10-year follow-up was performed in 1,918 participants. Adherence to medical treatment was recorded through self-reports and financial status was classified as low (<9,000€), moderate (9-18,000€), good (19-48,000€) and very good (>48,000€). Results: The "low"-to-"very" good financial status 10-year all-cause mortality rate was 1.7:1 (p<0.001). Unadjusted analysis revealed no association between financial status and ACS incidence (p=0.22); however, multi-adjusted analysis, after taking into account various clinical and lifestyle factors, revealed that "good/very good" financial status was associated with 23% (95%CI 2%, 40%, p=0.04) lower 10-year risk of ACS as compared with "low/moderate"; a finding that became insignificant when adherence to medication was taken into account. Conclusions: Low financial status seems to play a critical role in the long-term ACS prognosis. Health policies, to tackle non-compliance to medication, are needed to minimize the disease burden in clinical and community settings.
    Current Vascular Pharmacology 01/2015; · 2.91 Impact Factor
  • Clinical Chemistry and Laboratory Medicine 01/2015; · 2.96 Impact Factor
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    ABSTRACT: To evaluate the potential differences in risk factors' profile for in-hospital mortality and up to 1-year prognosis, between younger and older patients with first acute coronary syndromes (ACS). From October 2003 to September 2004, 1323 patients with first ACS event from 6 urban and rural Greek hospitals were enrolled into the study, classified as those <65 years and ≥65 years old. Multiple logistic regression analysis was used to evaluate the association between socio-demographic, lifestyle, clinical characteristics and the disease prognosis for one year after discharge. The men-to-women ratio was 8.5-to-1.5 for those <65 years, whereas, it was 6.6-to-3.4 for those above 65 years (p<0.001). In-hospital deaths and recurrent event within 30-days was higher among older patients (p<0.001). After the period of 6-months, the event-rate was higher among the younger patients (p<0.001). Current smoking was associated with increased risk of 1-month recurrent events, in patients <65 years (p<0.05). Myocardial infarction and history of diabetes were associated with increased risk in older patients (p<0.1). Age-specific identification of the risk factors for recurrent events may have important clinical and public health implications and lead to the development of more effective risk reduction strategies. Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.
    Maturitas 12/2014; 80(2). DOI:10.1016/j.maturitas.2014.11.011 · 2.86 Impact Factor
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    ABSTRACT: The 10-year incidence of cardiovascular disease (CVD) and all-cause mortality, as well as its determinants, in a sample of men and women from Greece, was evaluated. From May 2001 to December 2002, 1514 men and 1528 women (>18y) without any clinical evidence of CVD or any other chronic disease, at baseline, living in greater Athens area, in Greece, were enrolled. In 2011-12, the 10-year follow-up was performed in 2583 participants (15% of the participants were lost to follow-up). Incidence of fatal or non-fatal CVD (coronary heart disease, acute coronary syndromes, stroke, or other CVD) was defined according to World Health Organization (WHO)-International Coding Diseases (ICD)-10 criteria. The 10-year CVD incidence was 19.7% in men and 11.7% in women (p<0.001). Multi-adjusted analysis revealed that the determinants of CVD events were increased age (Hazard ratio (HR) per year=1.06, 95%Confidence Interval (CI): 1.04, 1.08), male sex (HR=1.40, 95%CI: 0.90, 2.19), smoking (HR=1.53, 95%CI: 1.03, 2.27), C-reactive protein levels (HR per 1mg/L=1.06, 95%CI: 1.02, 1.15), as well as adherence to Mediterranean diet (protective) (HR per 1/55 units=0.98, 95%CI: 0.95, 1.01). The burden of CVD and its related risk factors is at emerging rates, in Greece, making the need for effective public health actions, more necessary than ever before. Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.
    International Journal of Cardiology 11/2014; 180C:178-184. DOI:10.1016/j.ijcard.2014.11.206 · 6.18 Impact Factor
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    ABSTRACT: Objectives: To develop a subjective instrument estimating water balance, the Water Balance Index (WBI), with applications both in research and in public health, and to assess its behav­iour by quasi-field testing. Materials & Methods: We developed the WBI following a formative model mirroring essentially EFSA's recommendations on Dietary Reference Values for water. We targeted the adult general population (ages 18-65y). We included items of varying difficulty, e.g. glasses of water -easy- as well as yogurt -difficult-, aiming not only to an evaluative but also to a dis­criminative function for the instrument. Following the development, we applied the WBI on epidemiological data, scoring the participants (n=828) of the evaluation study of the Water Balance Questionnaire (a more meticulous instrument with similar goals). Field testing included statistical description of the WBI and its items on the above mentioned sample. Examination of the dimensionality of the construct using Factor Analysis. Evaluation of WBI's internal consistency by calculating inter-item and item-total Spearman ρ correlations as well as the Cronbach's α. Results: The WBI consists of two parts, the preamble, logging weather conditions, age and gender, and the main part with 12 items recording consumption and loss of water. The main items are divided in three sections: water intake from beverages, water intake from solid foods and water loss from urination and perspiration. All 12 items are modeled as categorical variables with 5 response options, scored from 1 to 5 as water intake increases for the consumption items and from 5 to 1 as water loss increases for the urination/perspiration items. This results to a theoretical range of 12 to 60. The WBI scores' distribution is centrosymmetric with a mean value of 26 and standard deviation of 3.2 units for both sexes indicating good discriminative characteristics and absence of floor and ceiling effects. Factor Analysis reveals that multiple factors contribute to the WBI and the inter-item and item-total correlations as well as the Cronbach's α confirm the non-redundancy of the items included, thus a truly minimum instrument. Key Findings: A short subjective instrument, the Water Balance Index, measuring water balance by assessing water consumption and water loss from the body.
    III World Congress of Public Health Nutrition, Las Palmas de Gran Canaria, Spain; 11/2014
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    ABSTRACT: Regular physical activity has been associated with less severity of an acute coronary syndrome (ACS), lower in-hospital mortality rates, and an improved short term prognosis. This study evaluated the relationship between physical activity status and the development of left ventricular systolic dysfunction (LVSD) according to inflammation and sex in elderly patients who had had an ACS. We analyzed prospectively collected data from 355 male (age 74 ± 6 years) and 137 female (76 ± 6 years) patients who were hospitalized with an ACS. LVSD was evaluated by echocardiography on the 5th day of hospitalization and physical activity status was assessed by a self-reported questionnaire. Inflammatory response was evaluated by measuring C-reactive protein levels. Logistic regression models were applied to evaluate the effect of physical activity status on the development of LVSD and inflammatory response at entry. Physical inactivity had a higher prevalence in women who developed LVSD than in the female patients with preserved systolic function (46% vs. 20%, p=0.02). There was a significant positive association between physical activity levels and ejection fraction in women (p=0.06), but not in men (p=0.30). Multiadjusted logistic regression showed that women who were physically active had 76% lower odds (95%CI: 1-94%) of developing LVSD compared to their sedentary counterparts. Furthermore, physical activity was inversely associated with C-reactive protein levels in both sexes (p=0.08). Long-term involvement in a physically active lifestyle seems to confer further cardio-protection by reducing the inflammatory response and preserving left ventricular systolic function in elderly female, but not male patients with an ACS.
  • Angiology 10/2014; DOI:10.1177/0003319714556651 · 2.37 Impact Factor

Publication Stats

12k Citations
2,818.45 Total Impact Points


  • 2014
    • Bentham Science Publishers
      Ash Shāriqah, Ash Shāriqah, United Arab Emirates
  • 2001–2014
    • Harokopion University of Athens
      • Department of Nutrition and Dietetics
      Athínai, Attica, Greece
  • 2001–2013
    • Hippokration General Hospital, Athens
      Athínai, Attica, Greece
  • 2010–2012
    • Agricultural University of Athens
      • Department of Food Science and Technology
      Athínai, Attica, Greece
    • University of Ioannina
      • Division of Internal Medicine II
      Ioánnina, Ipeiros, Greece
  • 2007–2012
    • Attikon University Hospital
      • Department of Internal Medicine IV
      Athínai, Attica, Greece
    • Hygeia Hospital
      Athínai, Attica, Greece
  • 2005–2012
    • Onassis Cardiac Surgery Center
      • Department of Cardiology
      Kallithea, Attica, Greece
    • Washington DC VA Medical Center
      Washington, Washington, D.C., United States
  • 2004–2012
    • Minneapolis Veterans Affairs Hospital
      Minneapolis, Minnesota, United States
    • Κεντρική Κλινική Αθηνών
      Athínai, Attica, Greece
  • 2011
    • Saint Louis University
      • Department of Nutrition and Dietetics
      Сент-Луис, Michigan, United States
  • 2009
    • University of Crete
      • Division of Social Medicine
      Réthymnon, Kriti, Greece
  • 2008
    • University General Hospital
      Houston, Texas, United States
  • 2007–2008
    • University of Patras
      • Department of Paediatrics
      Rhion, West Greece, Greece
  • 2004–2008
    • Κωνσταντοπούλειο νοσοκομείο Νέας Ιωνίας (Η Αγία Όλγα)
      Athínai, Attica, Greece
  • 2006
    • National and Kapodistrian University of Athens
      • Department of Medicine
      Athínai, Attica, Greece
  • 2003–2004
    • Ευρωκλινική
      Athínai, Attica, Greece
    • Georgetown University
      • Division of Cardiology
      Washington, Washington, D.C., United States