Our mission is to become a worldwide reference for education in the field for all professionals involved in the process to dissemintate knowledge & skills of Acute Cardiovascular Care
Our mission is to promote excellence in clinical diagnosis, research, technical development, and education in cardiovascular imaging in Europe.
Our goal is to reduce the burden in cardiovascular disease in Europe through percutaneous cardiovascular interventions.
Promoting excellence in research, practice, education and policy in cardiovascular health, primary and secondary prevention.
Our Mission is "to improve the quality of life of the population by reducing the impact of cardiac rhythm disturbances and reduce sudden cardiac death"
To improve quality of life and logevity, through better prevention, diagnosis and treatment of heart failure, including the establishment of networks for its management, education and research.
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OUR MISSION: TO REDUCE THE BURDEN OF CARDIOVASCULAR DISEASE
Dr. Robert Skalik
All professional and amateur athletes with a recognised or suspected cardiovascular disease must undergo a specialised diagnostic and qualification process before a training program is prescribed or continued.
Professional and amateur athletic training can cause pressure and volume overload of the cardiovascular system which in this situation may far exceed its ordinary exercise capacity. Extreme physical effort may be a trigger for serious and often fatal cardiovascular events in athletes with previously undetected underlying heart or vascular disease. Thus, every professional or amateur athlete with a recognised or suspected cardiovascular disease must undergo a specialised diagnostic and qualification process before a training program is prescribed or continued.Causes and consequences
Regular and very intensive athletic training is a tremendous burden for the cardiovascular system which often induces adaptational changes in its structure and function as observed in echocardiography and electrocardiography (ECG). However, these physiologic changes referred to as the “athlete’s heart” may coincide with structural cardiac disease and also be a cofactor for dramatic deterioration of clinical status in a certain group of athletes. According to Corrado et al. competitive sport activity enhances by 2.5 the risk of sudden death in adolescents and young athletes (1).The most important aftermath of cardiovascular diseases in athletes is exercise-induced ventricular arrhythmia - ventricular tachycardia (VT) and ventricular fibrillation (VF) (92-98%). It is well explained by the pathophysiology of arrhythmias. Ventricular arrhythmias depend on three interrelated factors:
According to the various accessible medical records, hypertrophic cardiomyopathy (HCM), congenital heart defects, premature coronary artery disease are the most frequent causes of cardiovascular events in athletes (2,3). Hypetrophic cardiomyopathy has been reported to be one of the leading causes of sport-related heart arrest and death in athletes and non-athletes (2). However, other cardiovascular abnormalities such as anomalies of coronary vessels, arrhythmogenic dysplasia of right ventricle (ADRV), mitral valve prolapse, myocarditis, coronary vessel bridge, Marfan Syndrome, bicuspid aortic valve, pulmonary thrombo-embolism and channelopathies also significantly contribute to cardiovascular risk in athletes.
Role of the cardiologistThe clinical cardiologist and sports cardiologist have three major roles in the screening process of professional or amateur athletes and athletic training candidates with cardiovascular diseases:
The majority of sport–related cardiovascular events are induced by genetically determined diseases with an autosomal dominant pattern of inheritance, hence the importance of family history in identifying affected athletes. The family history of cardiovascular diseases is considered positive in athletes when close relatives had experienced a premature heart attack or sudden death (below 55 years of age in males and 65 years in females), or suffered from cardiomyopathy, Marfan syndrome, long QT syndrome, Brugada syndrome, severe arrhythmias, coronary artery disease, or other disabling cardiovascular diseases. The positive familial history can be especially helpful in athletes without any clinical symptoms of disease and should encourage a doctor to perform further necessary examinations (resting ECG, echocardiography, ECG Holter monitoring or eventually genetic tests). A certain number of athletes with rare and genetically conditioned cardiomyopathies (e.g. arrhythmogenic dysplasia of right ventricle) may not have any preceding symptoms of disease (4). Personal history must be considered positive in the case of exertional chest pain or discomfort, syncope or near-syncope, irregular heartbeat or palpitations, and in the presence of shortness of breath, or fatigue unproportionate to the degree of physical effort (3). The seemingly noncardiac chest pain not related to physical exercise may also be caused by congenital or acquired cardiovascular disease (e.g. bicuspid aortic valve, dilatation or aneurysm of ascending aorta) and should be investigated before intensive training is started.
Positive physical findings related to cardiovascular diseases in athletes include: musculoskeletal and ocular features suggestive of Marfan syndrome, diminished and delayed femoral artery pulses, mid- or end-systolic clicks, a second heart sound single or widely split and fixed with respiration, marked heart murmurs (any diastolic and systolic murmur grade>2/6), irregular heart rhythm and brachial blood pressure above 140/90 mmHg in resting conditions (on more than 1 reading) and inter-arm systolic blood pressure difference above 10mmHg (5). However, lack of significant familial history of cardiovascular diseases and normal physical examination do not preclude presence of serious cardiac anomaly. On the other hand, presence of abnormalities in physical examination (murmurs, heart rhythm irregularities) need not be a symptom of serious heart disease. Subsequently, taking history and physical examination should be supplemented by electrocardiographic record at rest, exercise test (preferably cardiopulmonary exercise testing - CPET) and, if necessary, other diagnostic procedures (chest X-ray, holter ECG monitoring, echocardiography, computed tomography, nuclear magnetic imaging) before exercise is prescribed. Steriotis et al. have recently demonstrated that resting ECG is normal in a majority of examined athletes. However, ECG exercise test has induced ventricular arrhythmia that was deemed hazardous in 30% of these athletes (6). Hence, CPET may help to exclude exercise-induced arrhythmia or myocardial ischaemia, assess blood pressure response, exercise tolerance, achieved maximal heart rate (MHR), aerobic and ventilatory capacity (VO2max,VO2 at anaerobic threshold, minute ventilation) for selection of best training program or sport discipline regarding its type (static, dynamic) and intensity (low, moderate, high) (7). CPET can also be helpful in discriminating between pathologic LV hypertrophy (HCM) and physiologic exercise-induced LV hypertrophy (VO2max >50ml/kg/min is more consistent with athlete’s heart).
Resting ECG record can be especially valuable in diagnosis of potentially lethal pathologies in athletes such as long and short QT syndrome, Brugada syndrome, ARVD and WPW. Unfortunately, resting ECG and ECG stress tests or even echocardiography can be nonproductive in congenital anomaly of coronary vessels. If this disease is suspected in young athletes (exercise-induced syncope of unknown origin, ventricular arrhythmia) computed tomography of coronary vessels can be indicated. Furthermore, electrocardiography can be normal in approximately 5% of patients with hypertrophic cardiomyopathy. Rowin et al. have recently demonstrated that 10 % of examined young patients with hypertrophic cardiomyopathy presented normal or nonpathologic ECG (8). Moreover, trained athletes without evident cardiovascular disease may occasionally show ECG abnormalities similar to those found in patients with HCM (9). Hence, echocardiographic screening should be considered as a diagnostic option especially in athletes with familial history of HCM, ARVD or sudden cardiac death and obviously in athletes with abnormal resting ECG and upsetting symptoms before exercise is prescribed. Although normal ECG has very strong negative predictive power in pre-participation screening of young athletes for HCM, the disease may develop in midlife and beyond in some individuals and can be precipitated by intensive training. Besides, ECG pathologic changes may precede the LV hypertrophy and should raise the suspicion of the disease in athletes with a family history of HCM. Then, regular ECG and echocardiography screening should be recommended especially in high risk groups of HCM athletes during a course of regular intensive training and after termination of competitive exercise.
In all, the recommended steps for comprehensive evaluation of athletes with congenital or acquired cardiovascular disease before exercise are:
In patients with congenital heart defects (CHD), dynamic exercise is more advisable than static exercise. However, competitive sports are contraindicated in patients with some defects, due to high risk of malicious arrhythmias, such as Eisenmenger Syndrome, coronary artery anomalies, Ebstein anomaly, transposition of great vessels corrected by Mustrad, Senning or Rastelli procedure. As for the other congenital or acquired defects (presented below), exercise prescription depends on the severity of the defect, and the hemodynamics and clinical symptoms of the disease.
Athletes with recognised MVP are restricted from competitive sports in case of:
Athletes with MVP and at least one of the aforementioned restrictions should not participate in competitive sports.
Mild-to-moderate, normal LV size/function, stable sinus rhythm, normal exercise testing: all sports are recommended. Aortic valve stenosis
Athletes with definite diagnosis of HCM should not participate in competitive sports at all. Athletes with ECG abnormalities (such as markedly increased QRS voltage, diffuse T-wave inversion, deep Q-waves in precordial leads) suggestive of HCM should undergo detailed clinical examination (personal history, echocardiography, 24 h Holter monitoring). When sudden cardiac death (SCD) or HCM in the family are excluded, and in the absence of symptoms, arrhythmias and significant LV hypertrophy, and with a normal LV diastolic ﬁlling/relaxation on echocardiography and blood pressure response to exercise, there is no reason for restricting athletes from competitive low dynamic and low static sports (e.g. bowling, cricket, riflery, golf). However, periodical clinical and diagnostic follow-up is recommended.
Athletes with definite diagnosis of DCM should not participate in competitive sports. However, athletes with DCM but low risk profile (no sudden death in the relatives, no symptoms, mildly depressed LV ejection fraction - 40%, normal blood pressure response to exercise, no complex ventricular arrhythmias in ECG and holter monitoring) may perform low-moderate dynamic and low static sports (e.g. fencing, table tennis, golf, cricket).
Athletes with a definite diagnosis of ADRV are absolutely restricted from participating in sport activities even if they have very good exercise tolerance because of a very high risk of malicious ventricular tachyarrhythmia. ADRV is one of the most frequent causes of SCD in young athletes.
1 - Does sports activity enhance the risk of sudden death in adolescents and young adults? Corrado D, Basso C, Rizzoli G et al. J Am Coll Cardiol 2003;42: 1959-1963.2 - Sudden death in young athletes. Maron BJ,Roberts WC, McAllister HA et al. Circulation 1980;62:218–229. 3 - Cardiovascular pre-participation screening of young competitive athletes for prevention of sudden death: proposal for a common European protocol. Consensus Statement of the Study Group of Sport Cardiology of the Working Group of Cardiac Rehabilitation and Exercise Physiology and the Working Group of Myocardial and Pericardial Diseases of the European Society of Cardiology. Corrado D, Pelliccia A, Bjørnstad HH et al. Eur Heart J 2005; 26: 516–524.4 - Arrhythmogenic right-ventricular dysplasia/cardiomyopathy. Calkins H. Curr Opin Cardiol 2006;21:55-63.5 - The Systolic Blood Pressure Difference Between Arms and Cardiovascular Disease in the Framingham Heart Study. Weinberg I, Gona P, O’Donnell CJ et al. Am J Med 2013 doi: 10.1016/j.amjmed.2013.10.027. [Epub ahead of print].6 - Noninvasive cardiac screening in young athletes with ventricular arrhythmias. Nava A, Rigato I et al. Am J Cardiol 2013;111:557-562.7 - Recommendations for competitive sports participation in athletes with cardiovascular disease. A consensus document from the Study Group of Sports Cardiology of the Working Group of Cardiac Rehabilitation and Exercise Physiology and the Working Group of Myocardial and Pericardial Diseases of the European Society of Cardiology. Pelliccia A, Fagard R, Bjørnstad HH et al. Eur Heart J 2005; 26:1422 – 1445.8 - Significance of false negative electrocardiograms in preparticipation screening of athletes for hypertrophic cardiomyopathy. Rowin EJ, Maron BJ, Applebaum E et al. Am J Cardiol 2012;110:1027-1032.9 - Abnormal P wave morphology in the electrocardiogram of ahurdle runner with a history of presyncope - a case report. Poreba M, Skalik R, Poreba R et al. Med Sport 2008;12:46-48. 10 - Physical activity in adolescents and adults with congenital heart defects; individualized exercise prescription. Budts W, Börjesson M, Chessa M et al. Eur Heart J 2013 doi:10.1093/eurheartj/eht433.
Robert Skalik MD, PhDConsultant in cardiology, exercise physiologist Department of Physiology, Medical University of Wroclaw, PolandMember of the Working Group on Myocardial Function, ESCFormer consultant in echocardiography, Department of Cardiac Surgery, Medical University of Wroclaw, PolandVisiting consultant in cardiology and echocardiography, Department of Internal Medicine with Cardiology Subdivision, Regional General Hospital, Krotoszyn, PolandAuthors' disclosures: None declared.See also previous e-journal article on whether and how to establish an exercise program in heart failure patients 2012 European Guidelines on Cardiovascular Disease Prevention in Clinical Practice.High intensity exercise training.Heart Failure 2013 Congress report and sessions on exercise training.