Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 10 de 10
Filter
1.
Intern Med J ; 52(3): 369-378, 2022 Mar.
Article in English | MEDLINE | ID: mdl-34894042

ABSTRACT

BACKGROUND: Football (soccer) is popular among those of Masters age (≥35 years). Although regular exercise improves health, strenuous exercise causes a transient increase in cardiac risk. AIM: To gain insight into cardiac risk factors, symptoms, and knowledge, attitudes and beliefs about myocardial infarction (MI), and support for prevention. METHODS: A web-based survey using REDCap was completed by 153 amateur Masters footballers from A grade competition (n = 24), B or lower grade (n = 95) or social games (n = 34) in Sydney, Australia. RESULTS: Participants were aged 49.3 ± 7.5 years and primarily male (92.2%), Caucasian (88.9%) and university educated (75.2%). Risk factors included hypercholesterolaemia (37.3%), hypertension (19.6%), smoker (7.8%), overweight (40.5%) or obese (13.1%). One-fifth (21.6%) reported ≥1 potential cardiac symptom during activity in the prior year, for which one-quarter (24.2%) sought medical attention. Knowledge of typical MI symptoms was high (>80%) but lower (<40%) for less typical symptoms. Half (49.6%) were not confident to recognise MI in themselves. Half (49.0%) would remain on the field for 5-10 min with chest pain. Only 39.9% were aware that warning signs might precede MI by days. They overestimated survival from cardiac arrest (43%). Participants supported training in automatic external defibrillators (AED) and cardiopulmonary resuscitation (84%), AED at games (85%) and cardiac education (>70%). CONCLUSIONS: Cardiac risk factors are common In Masters footballers, with one in five experiencing possible cardiac symptoms in the prior year. While gaps exist in knowledge and optimal responses, strong support exists for preventive measures.


Subject(s)
Cardiovascular Diseases , Soccer , Adult , Australia/epidemiology , Cardiopulmonary Resuscitation , Cardiovascular Diseases/diagnosis , Cardiovascular Diseases/epidemiology , Cardiovascular Diseases/etiology , Female , Heart Disease Risk Factors , Humans , Male , Middle Aged , Myocardial Infarction/etiology , Risk Factors , Soccer/injuries
2.
Int J Mol Sci ; 23(12)2022 Jun 07.
Article in English | MEDLINE | ID: mdl-35742829

ABSTRACT

Obesity is closely associated with low-grade chronic and systemic inflammation and dyslipidemia, and the consumption of omega-3 polyunsaturated fatty acids (n-3 PUFAs) may modulate obesity-related disorders, such as inflammation and dyslipidemia. An emerging research question is to understand the dietary intervention strategy that is more important regarding n-3 PUFA consumption: (1) a lower ratio of n-6/n-3 PUFAs or (2) a higher amount of n-3 PUFAs consumption. To understand the desirable dietary intervention method of n-3 PUFAs consumption, we replaced lard from the experimental diets with either perilla oil (PO) or corn oil (CO) to have identical n-3 amounts in the experimental diets. PO had a lower n-6/n-3 ratio, whereas CO contained higher amounts of PUFAs; it inherently contained relatively lower n-3 but higher n-6 PUFAs than PO. After the 12-week dietary intervention in ob/ob mice, dyslipidemia was observed in the normal chow and CO-fed ob/ob mice; however, PO feeding increased the high density lipoprotein-cholesterol (HDL-C) level; further, not only did the HDL-C level increase, the low density lipoprotein-cholesterol (LDL-C) and triglyceride (TG) levels also decreased significantly after lipopolysaccharide (LPS) injection. Consequently, extra TG accumulated in the liver and white adipose tissue (WAT) of normal chow- or CO-fed ob/ob mice after LPS injection; however, PO consumption decreased serum TG accumulation in the liver and WAT. PUFAs replacement attenuated systemic inflammation induced by LPS injection by increasing anti-inflammatory cytokines but inhibiting pro-inflammatory cytokine production in the serum and WAT. PO further decreased hepatic inflammation and fibrosis in comparison with the ND and CO. Hepatic functional biomarkers (aspartate aminotransferase (AST) and alanine transaminase (ALT) levels) were also remarkably decreased in the PO group. In LPS-challenged ob/ob mice, PO and CO decreased adipocyte size and adipokine secretion, with a reduction in phosphorylation of MAPKs compared to the ND group. In addition, LPS-inducible endoplasmic reticulum (ER) and oxidative stress decreased with consumption of PUFAs. Taken together, PUFAs from PO and CO play a role in regulating obesity-related disorders. Moreover, PO, which possesses a lower ratio of n-6/n-3 PUFAs, remarkably alleviated metabolic dysfunction in LPS-induced ob/ob mice. Therefore, an interventional trial considering the ratio of n-6/n-3 PUFAs may be desirable for modulating metabolic complications, such as inflammatory responses and ER stress in the circulation, liver, and/or WAT.


Subject(s)
Dyslipidemias , Fatty Acids, Omega-3 , Animals , Cholesterol, LDL/metabolism , Dyslipidemias/metabolism , Fatty Acids, Omega-3/metabolism , Fatty Acids, Omega-3/pharmacology , Inflammation/metabolism , Lipopolysaccharides/metabolism , Liver/metabolism , Mice , Obesity/metabolism
3.
Clin Res Cardiol ; 2024 Mar 11.
Article in English | MEDLINE | ID: mdl-38466347

ABSTRACT

BACKGROUND: Aging as a major non-modifiable cardiac risk factor challenges future cardiovascular medicine and economic demands, which requires further assessments addressing physiological age-associated cardiac changes. OBJECTIVES: Using cardiovascular magnetic resonance (CMR), this study aims to characterize sex-specific ventricular adaptations during healthy aging. METHODS: The population included healthy volunteers who underwent CMR at 1.5 or 3 Tesla scanners applying cine-imaging with a short-axis coverage of the left (LV) and right (RV) ventricle. The cohort was divided by sex (female and male) and age (subgroups in years): 1 (19-29), 2 (30-39), 3 (40-49), and 4 (≥50). Cardiac adaptations were quantitatively assessed by CMR indices. RESULTS: After the exclusion of missing or poor-quality CMR datasets or diagnosed disease, 140 of 203 volunteers were part of the final analysis. Women generally had smaller ventricular dimensions and LV mass, but higher biventricular systolic function. There was a significant age-associated decrease in ventricular dimensions as well as a significant increase in LV mass-to-volume ratio (LV-MVR, concentricity) in both sexes (LV-MVR in g/ml: age group 1 vs. 4: females 0.50 vs. 0.57, p=0.016, males 0.56 vs. 0.67, p=0.024). LV stroke volume index decreased significantly with age in both sexes, but stronger for men than for women (in ml/m2: age group 1 vs. 4: females 51.76 vs. 41.94, p<0.001, males 55.31 vs. 40.78, p<0.001). Ventricular proportions (RV-to-LV-volume ratio) were constant between the age groups in both sexes. CONCLUSIONS: In both sexes, healthy aging was associated with an increase in concentricity and a decline in ventricular dimensions. Furthermore, relevant age-related sex differences in systolic LV performance were observed.

4.
Cancers (Basel) ; 15(16)2023 Aug 17.
Article in English | MEDLINE | ID: mdl-37627185

ABSTRACT

BACKGROUND: Given the potential cardiovascular risks of androgen deprivation therapy (ADT), it is essential to identify patients who may be at an increased risk for coronary artery disease (CAD). Despite the recent ESC recommendations, there is no consensus on when to refer a patient to a cardiologist for further evaluation. OBJECTIVE: To report on new diagnoses of CAD in patients with prostate cancer (PCa) requiring ADT who underwent a systematic cardio-onco evaluation with an assessment of their coronary status. DESIGN, SETTING, AND PARTICIPANTS: This is a retrospective, monocentric study that included patients with PCa who had completed a cardio-onco evaluation with an assessment of their coronary status in the cardio-oncology department at the Western Cancer Institute, Nantes, between January 2019 and August 2022. INTERVENTION: The baseline cardio-onco evaluation included a physical exam, transthoracic echography, and electrocardiogram, followed with a systematic evaluation of their coronary status. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: The primary objective was to determine the incidence of newly diagnosed CAD. The secondary objective was to evaluate the number of changes in cardiovascular treatment. RESULTS AND LIMITATIONS: Among the 34 patients who underwent cardio-onco evaluation, 7 (20.6%) were diagnosed with CAD, with a median time to diagnosis of 5 months. Most patients were asymptomatic, with one who experienced a myocardial infarction. Of the 27 patients without CAD, 44.4% underwent a therapeutic intervention by the cardiologist, with no cardiac deaths during follow-up. Overall, 55.9% of patients had a therapeutic intervention after the cardio-onco evaluation. CONCLUSIONS: The high incidence of newly diagnosed CAD in asymptomatic patients supports the need for screening for CAD in this population. Further research is needed to determine whether routine screening for CAD in patients receiving ADT would result in significant clinical benefits.

5.
JMIR Form Res ; 6(4): e33893, 2022 Apr 21.
Article in English | MEDLINE | ID: mdl-35451992

ABSTRACT

BACKGROUND: Cardiovascular diseases remain the leading cause of morbidity and mortality worldwide. Gene therapies (GTs) may become a novel therapeutic option for cardiovascular diseases. OBJECTIVE: We aimed to characterize all trials involving human subjects utilizing GT to treat noncongenital cardiovascular diseases. METHODS: In March 2021, we searched for clinical trials on the ClinicalTrials.gov (CT), International Clinical Trials Registry Platform (ICTRP), and International Standard Randomised Controlled Trials Number (ISRCTN) databases. Two authors screened the titles and registry notes of all the searched studies. We collected details of the included studies regarding their design, location funding source, treated conditions, completion, publication statuses, and final outcomes. RESULTS: We generated a total of 3508 records, and 50 unique clinical trials met our eligibility criteria. Of these, 20 (40%) concerned peripheral artery disease, and 18 (36%) concerned coronary artery disease. Most studies were randomized (34/50, 68%) and were performed in multiple locations (30/50, 60%), and around half of the trials compared GT with a placebo (27/50, 54%), while one in four were single-arm (14/50, 28%), and the rest concerned dose-finding (22%). More than half of the trials (29/50, 58%) were funded by industry. Of the 50 clinical trials, 28 (56%) published their results by the data collection date (March 2021), and 22 of 31 (71%) were slated to be completed before 2021. Overall, 12 of 28 (42.9%) clinical trials showed favorable outcomes of the intervention. CONCLUSIONS: Among noncongenital cardiovascular diseases, GTs are mostly investigated in peripheral artery disease and coronary artery disease. Many clinical trials on GT use in noncongenital cardiovascular diseases did not disclose their results. Regardless of the trial phase, less than half of published studies on GT in noncongenital cardiovascular diseases showed promising results.

6.
Clin Lung Cancer ; 20(6): 435-441, 2019 11.
Article in English | MEDLINE | ID: mdl-31303452

ABSTRACT

BACKGROUND: Higher cardiac radiotherapy (RT) doses when treating lung cancer are associated with worse overall survival (OS), although the direct association between cardiac dose and early cardiotoxicity is poorly understood. We hypothesized that RT doses to the heart and cardiac substructures are associated with under-reported early cardiotoxicity and worse OS. PATIENTS AND METHODS: We conducted an institutional retrospective review of lung cancer patients treated with conventionally fractionated RT from 2010 to 2015. Collected data included pre-RT cardiac risk factors, post-RT cardiotoxicities, and dose-volume parameters for cardiac substructures. Univariate and multivariate analyses were performed to identify predictors of cardiotoxicity and OS. RESULTS: Seventy-six cases were evaluated with 1.2 years median follow-up. Cardiotoxicities included atrial arrhythmia (n = 5), pericardial effusion (n = 16), and valvular disease (n = 1). In univariate analysis, significant dose-volume predictors for cardiotoxicity included mean RT dose to structure of interest, volume of structure of interest receiving ≥30 Gy RT dose, and volume of structure of interest receiving ≥45 Gy RT dose (V45) to the atria, ventricles, and pericardium. Higher ventricular V45 was associated with post-RT cardiotoxicity in multivariate analysis (hazard ratio [HR], 1.50; P = .027). Cardiotoxicity occurrence was a highly significant predictor of OS in multivariate analysis (HR, 12.7; P < .001), but higher ventricular V45 alone was not (HR, 0.78; P = .450). CONCLUSION: Early cardiac events were relatively common after lung cancer RT and associated with multiple cardiac dose-volume parameters. Occurrence of early cardiotoxicity was strongly associated with worse OS. In practice, early cardiotoxicity is under-reported, supporting the need for more detailed cardiac evaluations in high-risk patients to detect and address early cardiotoxicity.


Subject(s)
Arrhythmias, Cardiac/diagnosis , Carcinoma, Non-Small-Cell Lung/radiotherapy , Cardiotoxicity/diagnosis , Heart Valve Diseases/diagnosis , Lung Neoplasms/radiotherapy , Pericardial Effusion/diagnosis , Radiotherapy/adverse effects , Aged , Aged, 80 and over , Arrhythmias, Cardiac/etiology , Carcinoma, Non-Small-Cell Lung/complications , Dose Fractionation, Radiation , Female , Follow-Up Studies , Heart Valve Diseases/etiology , Humans , Lung Neoplasms/complications , Male , Middle Aged , Patient Selection , Pericardial Effusion/etiology , Prognosis , Radiometry , Retrospective Studies , Risk
7.
Front Immunol ; 8: 1595, 2017.
Article in English | MEDLINE | ID: mdl-29209328

ABSTRACT

INTRODUCTION: Atherosclerosis is considered the pathophysiology underlying cardiovascular (CVD), cerebrovascular, and peripheral vascular diseases. Evidence supporting an autoimmune component is emerging, with imaging studies correlating MYC-associated zinc finger protein antibody (MAZ-Ab) optical density (OD) with plaque activity. This study compares MAZ-Ab OD on ELISA testing among patients presenting with acute coronary syndromes (ACSs) to healthy controls and investigates the association of MAZ-Ab to traditional CVD risk factors. METHODS: Patients admitted with ACSs between August 2007 and July 2011 were included. Serum samples taken at presentation were retrospectively tested for MAZ-Ab and compared with serum from healthy volunteers with no CVD risk factors. Large-scale assessment of post-ACS prognostic relevance was performed using the established PLATO cohort. RESULTS: In total 174 ACS patients and 96 controls were included. Among ACS patients, median MAZ-Ab OD was higher compared with controls (0.46 vs. 0.27; p = 0.001). Although the majority of ACS patients (116/174; 67%) had suffered from a ST-elevation myocardial infarction, no significant differences in MAZ-Ab titers were evident between ACS subtypes (p = 0.682). No associations between MAZ-Ab OD and conventional CVD risk factors were identified. Large-scale testing revealed no prognostic stratification regarding reinfarction (OR 1.04 [95% CI: 0.94-1.16]; p = 0.436). CONCLUSION: MAZ-Ab OD was higher or all ACS phenotypes compared with controls. Given current understanding of MAZ-Ab function, these findings support an autoimmune component to CVD independent of conventional risk factors and indeed the extent of end-organ damage.

8.
J Clin Diagn Res ; 9(12): OC03-5, 2015 Dec.
Article in English | MEDLINE | ID: mdl-26814357

ABSTRACT

INTRODUCTION: Coronary Artery Disease are on the rise in the general population and is the leading cause of death in both men and women. The impact of CAD is underappreciated in younger women when compared to men. Women have unique risk factors for CAD and postmenopausal women are at higher risk of developing CAD when compared to normal menstruating women. AIM: The aim of our study was to find out the difference in oxidative stress levels between obese postmenopausal women and normal menstruating women, also to compare the same in normal weight postmenopausal women. MATERIALS AND METHODS: Thirty one normal and 29 obese postmenopausal women with age more than 45 years who visited obstetrics and gynaecology outpatient department for general clinical evaluation at a tertiary care centre were recruited in this cross-sectional study. Thirty normal menstruating women were compared. Anthropometric measurements were recorded and the body mass index was calculated. Serum Malondialdehyde and superoxide dismutase was measured using a spectrophotometer. RESULTS: There was a significant difference in mean MDA levels in postmenopausal women (1.477 ± 0.359) when compared to normal menstruating women (0.666 ± 0.302) (p < 0.01). There was no significant difference in mean SOD levels in postmenopausal women (2.836 ± 0.899) when compared to normal menstruating women (2.986 ± 0.686) (p > 0.05). Also, there was a significant increase between mean MDA levels in obese postmenopausal women (2.48 ± 0.52) when compared to normal weight postmenopausal women (1.65 ± 0.36) (p < 0.01). There was a significant difference between mean SOD levels in obese postmenopausal women (1.36 ± 0.96) and normal weight postmenopausal women (2.56 ± 1.03) (p < 0.01). CONCLUSION: The oxidative stress was higher in obese postmenopausal women when compared to normal weight postmenopausal women and normal menstruating women.

9.
J Med Life ; 6(4): 409-13, 2013.
Article in English | MEDLINE | ID: mdl-24868251

ABSTRACT

The subclinical modification of thyroid function represents an important risk factor for the development of acute coronary syndromes, neglected up to this day. Knowledge of the physiopathological processes implicated in the alteration of thyroid function that induces cardiovascular dysfunction is a necessity for the understanding of the phenomena and for the finding of the adequate therapeutic solutions. While recognizing the thyroid dysfunction as a modifiable risk factor for the acute coronary syndrome, we encountered a new challenge for the clinical research regarding its implications. The ability to manage the altered thyroid homeostasis may represent a new stage of prevention at a population level for the reduction of the cardiac risk, a stage which implies a risk factor that may remain clinically mute for a long period of time if left undiagnosed, however influencing the development of the acute coronary syndromes.


Subject(s)
Acute Coronary Syndrome/physiopathology , Thyroid Gland/pathology , Thyroid Gland/physiopathology , Humans , Risk Factors
10.
Expert Rev Endocrinol Metab ; 5(3): 359-373, 2010 May.
Article in English | MEDLINE | ID: mdl-30861682

ABSTRACT

Subclinical thyroid dysfunction occurs when peripheral thyroid hormone levels are within the normal laboratory reference range and the serum thyroid-stimulating hormone (TSH or thyrotropin) level is greater than normal (subclinical hypothyroidism) or less than normal (subclinical hyperthyroidism; TSH normal laboratory reference range: 0.3-5.0 mIU/l). For patients with subclinical hypothyroidism (serum TSH levels >10 mIU/l), thyroxine therapy is prescribed if other causes of TSH elevation and transient conditions have been excluded. For serum TSH levels between 5.0 and 10.0 mIU/l, selective therapy should be considered. For patients with sustained subclinical hyperthyroidism (serum TSH levels <0.1 mIU/l), therapy is recommended, especially in older patients. Observation or selective therapy should be considered for patients with serum TSH levels between 0.1 and 0.3 mIU/l.

SELECTION OF CITATIONS
SEARCH DETAIL