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1.
Can J Cardiol ; 37(1): 105-112, 2021 01.
Article in English | MEDLINE | ID: mdl-32464107

ABSTRACT

BACKGROUND: Knowledge about causes of sports-related sudden cardiac arrest (SrSCA) may influence national strategies to prevent such events. Therefore, we established a prospective registry on SrSCA to estimate the incidence and in particular describe the etiologies of SrSCA in the general population in Germany. METHODS: The registration of SrSCA based upon 4 pillars: a web-based platform to record SrSCA cases in competitive and recreational athletes, media-monitoring, cooperation with the German Resuscitation Registry, and 15 institutes of forensic medicine. RESULTS: After an observation period of 6 years, a total of 349 cases was recorded (mean age 48.0 ± 12.7 years); 109 subjects survived. Most of the cases occurred during nonelite competitive or recreational sports. Bystander cardiopulmonary resuscitation (CPR) was initiated in 262 cases (75%); however, rhythm analysis and defibrillation (if indicated) was mainly performed by medical services. In patients ≤ 35 years of age, premature coronary artery disease (CAD) and sudden arrhythmic death syndrome (SADS) prevailed, followed by myocarditis. In athletes ≥ 35 years of age, CAD predominated. CONCLUSIONS: Country-specific registries are necessary to define the national screening and prevention strategy optimally. In Germany, premature CAD, SADS, and myocarditis are the leading causes of SrSCA in young athletes, reinforcing the great disparity of the prevalence of cardiac diseases among different countries. Extension of on-site SCD-prevention campaigns, with training of CPR and explanation of the efficient use of automated external defibrillators (AEDs), may decrease the burden of SrSCD.


Subject(s)
Athletes , Death, Sudden, Cardiac/epidemiology , Sports , Adult , Age Distribution , Cardiopulmonary Resuscitation/statistics & numerical data , Coronary Artery Disease/epidemiology , Electric Countershock/statistics & numerical data , Emergency Medical Services , Female , Germany/epidemiology , Humans , Male , Middle Aged , Myocarditis/epidemiology , Prospective Studies , Registries , Sex Distribution , Ventricular Fibrillation/epidemiology , Young Adult
2.
Catheter Cardiovasc Interv ; 89(6): 1005-1012, 2017 May.
Article in English | MEDLINE | ID: mdl-28112448

ABSTRACT

BACKGROUND: The increasing complexity of percutaneous coronary intervention (PCI) for chronic total coronary occlusions (CTO) leads to a significant increase of radiation exposure for both patient and operator. OBJECTIVE: To study the potential of modified settings of the X-ray equipment combined with operator protocols to reduce radiation dose despite increasing procedural complexity. PATIENTS AND METHODS: We analyzed a consecutive cohort of 984 PCIs for CTOs in 863 patients between January 2010 and July 2015. During that period, the X-ray equipment was changed from an analog to a digital detector system, and a subsequent filter and imaging modification was implemented. The fluoroscopy settings were reduced from 15 pulses/s to 7.5, and then to 6. The cine framerate was reduced from 15 to 7.5/s. For the last time period, with optimized settings, procedural, and lesion related factors influencing the radiation exposure were analyzed. RESULTS: The lesion complexity increased from a J-CTO score of 1.64 to 2.33 with an increase of retrograde procedures from 21.6 to 50.4%. With a similar fluoroscopy time, the dose area product was reduced from period 1 to 2 by 20%, and further by 7% to period 3. There was a significant reduction of Air Kerma from period 2 to 3 from 3.5 to 2.7 Gy. The operator exposure was reduced by more than half. The patient's weight and the complexity of the procedure were the main determinants of radiation exposure. CONCLUSIONS: The radiation exposure for patient and operator was decreased considerably during the three observation periods despite an increase in lesion and procedural complexity. Rigorous implementation of radiation device settings did reduce radiation exposure without impeding procedural success. © 2017 Wiley Periodicals, Inc.


Subject(s)
Coronary Angiography , Coronary Occlusion/diagnostic imaging , Coronary Occlusion/therapy , Occupational Exposure/prevention & control , Percutaneous Coronary Intervention , Radiation Dosage , Radiation Exposure/prevention & control , Radiation Protection/methods , Radiography, Interventional , Aged , Chronic Disease , Coronary Angiography/adverse effects , Coronary Angiography/instrumentation , Equipment Design , Female , Humans , Male , Middle Aged , Occupational Exposure/adverse effects , Occupational Health , Patient Safety , Percutaneous Coronary Intervention/adverse effects , Predictive Value of Tests , Radiation Exposure/adverse effects , Radiography, Interventional/adverse effects , Radiography, Interventional/instrumentation , Risk Assessment , Risk Factors , Treatment Outcome
3.
EuroIntervention ; 10(7): 799-805, 2014 Nov.
Article in English | MEDLINE | ID: mdl-25415149

ABSTRACT

AIMS: Percutaneous coronary intervention for chronic total coronary occlusions (CTO) becomes increasingly more complex with the transcollateral retrograde approach. This study assesses the effect of the retrograde approach on markers of ischaemia and clinical events. METHODS AND RESULTS: Four hundred and ninety-two consecutive procedures in 392 patients were prospectively evaluated. Before and within 18-24 hours after the PCI creatine kinase (CK) and cardiac troponin I (cTnI) were obtained. A CK increase of greater than three times the upper limit of normal (ULN) was considered a periprocedural MI. Patients with initially elevated cTnI were excluded. In 106 patients with a retrograde wire passage of the septal collaterals, the incidence of a CK or TnI increase was higher as compared to the antegrade group. Patients with septal dilatation or passage of a dilatation catheter (Corsair) showed the highest cTnI. There was no difference in cardiac death or cerebral complications between the groups with antegrade and retrograde approach within the first 30 days. CONCLUSIONS: Complex retrograde recanalisation procedures for CTOs lead to an increased periprocedural ischaemic burden, most likely due to obstruction of the collateral pathway, and to the increased plaque burden of complex lesions treated with the retrograde approach.


Subject(s)
Coronary Occlusion/therapy , Myocardial Ischemia/etiology , Percutaneous Coronary Intervention/methods , Aged , Chronic Disease , Creatine Kinase/blood , Female , Humans , Logistic Models , Male , Middle Aged , Percutaneous Coronary Intervention/adverse effects , Prospective Studies , Troponin I/blood
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