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1.
Internist (Berl) ; 63(1): 95-102, 2022 Jan.
Article in German | MEDLINE | ID: mdl-34985563

ABSTRACT

BACKGROUND: The number of adults with congenital heart disease (ACHD) is steadily increasing. The present cross-sectional study was conceived to investigate ACHD care from the perspective of patients and family practitioners (specialists for general medicine and internal medicine, general practitioners). METHODS: Questionnaire-based cross-sectional study to analyze the real care situation of ACHD in Germany from the perspective of patients and primary care physicians (PCP). RESULTS: The questionnaire was completed by 4493 ACHD (53.7% female; 41.3 ± 16.9 years) and 1055 PCP. The majority of ACHD (79.8%) visited their PCP for noncardiac health problems but also for cardiac problems. Almost all ACHD had substantial needs for medical consultation (performance, employment etc.). Of the patients 2014 (44.8%) did not know of any certified ACHD specialists or specialized centers and 2816 (62.7%) respondents were not aware of any ACHD patient organization. Of the PCPs 87.5% had cared for ACHD of all severities due to defect-typical residual and resulting symptoms. Many were not aware of any certified ACHD specialists. Only 28.5% consulted an ACHD specialist. Only 23.5% were aware of ACHD patient organizations. CONCLUSION: General practitioners are a mainstay of ACHD care in Germany. The present study shows that ACHD and their general practitioners are largely uninformed about the specialized care structures available nationwide, despite the high level of need for specialist care. In order to keep the morbidity and mortality of affected patients low, solutions must be elaborated in future to involve and integrate primary care physicians more intensively into the already existing dedicated ACHD care structures, in cooperation with specialized pediatric cardiologists, cardiologists and centers.


Subject(s)
General Practitioners , Heart Defects, Congenital , Adult , Child , Cross-Sectional Studies , Female , Germany/epidemiology , Heart Defects, Congenital/diagnosis , Heart Defects, Congenital/epidemiology , Heart Defects, Congenital/therapy , Humans , Internal Medicine , Male
2.
Dtsch Med Wochenschr ; 146(24-25): 1599-1604, 2021 12.
Article in German | MEDLINE | ID: mdl-34879409

ABSTRACT

Cardiovascular physiology was the dominant area of research for Ludwig. He developed instruments to record hemodynamic and other physiologic events accurately, allowing him to identify previously unrecognized physiologic relationships.His classical textbook of physiology challenged traditional scientific theories and suggested new concepts. His ultimate aim was to describe nature in a mathematic manner "that in the organism no other forces are active but the common physicochemical". ("Organic physicist").His scientific program attracted medical graduates from Europe, Asia and America. Ludwig's scientific ability and personality were the major factors for the success of his research program. His intellectual generosity and unselfishness in order to promote the careers of his pupils is legendary. He put scientific research and results ahead of personal recognition. He mentored his colleagues and pupils without ever putting himself or his own interests ahead of everybody else. He decided to forgo academic recognition and did not play political games.


Subject(s)
Physicians/history , Physiology/history , Europe , History, 19th Century , Humans , Male
3.
Europace ; 23(12): 1903-1912, 2021 12 07.
Article in English | MEDLINE | ID: mdl-34136917

ABSTRACT

AIMS: Atrial fibrillation (AF) is associated with a high risk of cardiovascular and non-cardiovascular death, even on anticoagulation. It is controversial, which conditions-including concomitant diseases and AF itself-contribute to this mortality. To further clarify these questions, major determinants of long-term mortality and their contribution to death were quantified in an unselected cohort of AF patients. METHODS AND RESULTS: We established a large nationwide registry comprising 8833 AF-patients with a median follow-up of 6.5 years (45 345 patient-years) and central adjudication of adverse events. Baseline characteristics of the patients were evaluated as predictors of mortality using Cox regression and C-indices for determination of predictive power. Annualized mortality was highest in the first year (6.2%) and remained high thereafter (5.2% in men and 5.5% in women). Thirty-eight percent of all deaths were cardiovascular, mainly due to heart failure or sudden death. Sex-specific age was the strongest predictor of mortality, followed by concomitant cardiovascular and non-cardiovascular conditions. These factors accounted for 25% of the total mortality beyond age and sex and for 84% of the mortality differences between AF types. Thus, the electrical phenotype of the disease at baseline contributed only marginally to prediction of mortality. CONCLUSION: Mortality is high in AF patients and arises primarily from heart failure, peripheral artery disease, chronic obstructive lung disease, chronic kidney disease, and diabetes mellitus, which, therefore, should be targeted to lower mortality. Parameters related to the electrical manifestation of AF did not have an independent impact on long-term mortality in our representative cohort.


Subject(s)
Atrial Fibrillation , Atrial Fibrillation/complications , Female , Humans , Male , Prognosis , Prospective Studies , Registries , Risk Factors
4.
Clin Res Cardiol ; 110(3): 382-390, 2021 Mar.
Article in English | MEDLINE | ID: mdl-33128576

ABSTRACT

OBJECTIVE: This study presents data from the admission trial to show the feasibility, safety and effectiveness of the Nit-Occlud® Lê VSD in the treatment of perimembranous ventricular septal defects with an aneurysmal configuration and a diameter up to 8 mm. BACKGROUND: The majority of ventricular septal defects (VSD) are still closed surgically, while a less invasive transcatheter treatment by closure devices is available. Device-based closure is reported to be associated with the risk of complete atrio-ventricular block, especially with double-disc devices in perimembranous defects. METHODS: In six tertiary centers in Germany and Israel, an interventional closure of a periembranous VSD was attempted in 88 patients using the Nit-Occlud® Lê VSD. RESULTS: The interventional VSD closure was performed in 85 patients. Patients had a median age of 8.0 (2-65) years and a median body weight of 26.7 (10-109) kg. A complete closure of the defects was achieved in 85.4% 2 weeks after device implantation, in 88.9% after three months and in 98.6% at the 5-year follow-up. There was no incidence of death during the study nor did any patient suffer of permanent atrio-ventricular block of higher degree. Serious adverse events, by definition, are potentially life-threatening or require surgery to correct, while major serious events require medical or transcatheter intervention to correct. The study results exhibit a serious adverse event rate of 3.5% (3/85 patients) and a major adverse event rate of 5.9% (5/85 patients). CONCLUSION: The Nit-Occlud® Lê VSD coil offers the possibility of an effective and safe approach in patients with aneurysmal perimembranous ventricular septal defects.


Subject(s)
Cardiac Catheterization/methods , Cardiac Surgical Procedures/methods , Heart Septal Defects, Ventricular/surgery , Septal Occluder Device , Adolescent , Adult , Aged , Child , Child, Preschool , Feasibility Studies , Female , Follow-Up Studies , Humans , Male , Middle Aged , Prosthesis Design , Retrospective Studies , Time Factors , Treatment Outcome , Young Adult
6.
Cardiovasc Diagn Ther ; 8(6): 705-715, 2018 Dec.
Article in English | MEDLINE | ID: mdl-30740318

ABSTRACT

Today most patients with congenital heart defects (CHD) survive into adulthood. Unfortunately, despite relevant residua and sequels, follow-up care of adults with congenital heart disease (ACHD) is not performed in specialized and/or certified physicians or centres. Major problems in the long-term course encompass heart failure, cardiac arrhythmias, heart valve disorders, pulmonary vascular disease, infective endocarditis, aortopathy and non-cardiac comorbidities. Many of them manifest themselves differently from acquired heart disease and therapy regimens from general cardiology cannot be transferred directly to CHD. It should be noted that even simple, postoperative heart defects that were until recently considered to be harmless can lead to problems with age, a fact that had not been expected so far. The treatment of ACHD has many special features and requires special expertise. Thereby, it is important that treatment regimens from acquired heart disease are not necessarily transmitted to CHD. While primary care physicians have the important and responsible task to set the course for adequate diagnosis and treatment early and to refer patients to appropriate care in specialized ACHD-facilities, they should actively encourage ACHD to pursue follow-up care in specialized facilities who can provide responsible and advanced advice. This medical update emphasizes the current data on epidemiology, heart failure and cardiac arrhythmia in ACHD.

7.
Cardiovasc Diagn Ther ; 8(6): 716-724, 2018 Dec.
Article in English | MEDLINE | ID: mdl-30740319

ABSTRACT

Despite relevant residua and sequels, follow-up care of adults with congenital heart disease (ACHD) is too often not performed by/in specialized and/or certified physicians or centers although major problems in the long-term course may develop. The most relevant encompass heart failure, cardiac arrhythmias, heart valve disorders, pulmonary vascular disease, infective endocarditis (IE), aortopathy and non-cardiac comorbidities. The present publication emphasizes current data on IE, pulmonary and pulmonary arterial hypertension and aortopathy in ACHD and underlines the deep need of an experienced follow-up care by specialized and/or certified physicians or centers, as treatment regimens from acquired heart disease can not be necessarily transmitted to CHD. Moreover, the need of primary and secondary medical prevention becomes increasingly important in order to reduce the burden of disease as well as the socioeconomic burden and costs in this particular patient group.

8.
Am J Cardiol ; 120(12): 2128-2134, 2017 Dec 15.
Article in English | MEDLINE | ID: mdl-29122276

ABSTRACT

Early administration of reperfusion therapy in acute ST-elevation myocardial infarctions (STEMI) is crucial to reduce mortality. Although female sex and old age are key factors contributing to an inadequate long prehospital delay time, little is known whether women ≥65 years are a particular risk population. Hence, we studied the interaction of sex and age (<65 years or ≥65 years) and the contribution of chest pain to delay time during STEMI. Bedside interview data were collected in 619 STEMI patients from the Munich Examination of Delay in Patients Experiencing Acute Myocardial Infarction (MEDEA) study. Sex and age group stratification disclosed an excess delay risk for women ≥65 years, accounting for a 2.39 (95% confidence interval (CI) 1.39 to 4.10)-fold higher odds to delay longer than 2 hours compared with all other patient groups including younger women (p ≤0.002). Median delay time was 266 minutes in women ≥65 years and 148 minutes in younger women (p <0.001). Chest pain during STEMI had the lowest frequency both in women (81%) and men ≥65 years (83%) and the highest frequency (95%) in younger women. Experiencing non-chest pain was 2.32-fold (95% CI, 1.20 to 4.46, p <0.05) higher in women ≥65 years than in all other patients. Mediation analysis disclosed that the effect accounted for only 9% of the variance. Age specific educational strategies targeting women ≥65 years at risk are urgently needed. To tailor adequate strategies, more research is required to understand age- and sex driven barriers to timely identification of ischemic symptoms.


Subject(s)
Delayed Diagnosis , Electrocardiography , Hospitalization , Myocardial Revascularization , ST Elevation Myocardial Infarction/diagnosis , Thrombolytic Therapy , Time-to-Treatment/trends , Aged , Cross-Sectional Studies , Female , Follow-Up Studies , Humans , Male , Middle Aged , Retrospective Studies , ST Elevation Myocardial Infarction/therapy
9.
Eur J Heart Fail ; 19(10): 1222-1229, 2017 10.
Article in English | MEDLINE | ID: mdl-28805996

ABSTRACT

Pulmonary diseases frequently coexist in heart failure (HF), thus posing diagnostic and therapeutic challenges to cardiologists evaluating patients with overlapping symptoms and implementing recommended HF treatments. There is a growing body of evidence suggesting that pulmonary function testing might provide useful information for the best management of these patients. The availability of portable devices, allowing the measurement of spirometry and lung diffusion capacity for carbon monoxide outside of hospital-based pulmonary lung function laboratories, provides an opportunity for a more widespread use of these measures in the cardiology community, but their interpretation can be challenging. In this work, after a brief review of the methodologies, we discuss the interpretation of pulmonary function testing in patients with HF alone or associated with pulmonary diseases, and its contribution in differentiating cardiac and pulmonary symptoms and preventing acute cardiac decompensation. In addition, we examined recent evidence suggesting how the use of pulmonary function testing may provide independent prognostic information in HF patients with and without pulmonary disorders, and help therapeutic decisions to fill the treatment gap that still exists in HF patients with concomitant pulmonary diseases.


Subject(s)
Heart Failure/diagnosis , Heart Failure/physiopathology , Lung Diseases/diagnosis , Lung Diseases/physiopathology , Respiratory Function Tests , Heart Failure/complications , Heart Failure/therapy , Humans , Lung Diseases/therapy , Monitoring, Ambulatory
10.
Europace ; 19(5): 741-746, 2017 May 01.
Article in English | MEDLINE | ID: mdl-27733466

ABSTRACT

AIMS: The aims of this study include (i) pursuing data-mining experiments on the Angiotensin II-Antagonist in Paroxysmal Atrial Fibrillation (ANTIPAF-AFNET 2) trial dataset containing atrial fibrillation (AF) burden scores of patients with many clinical parameters and (ii) revealing possible correlations between the estimated risk factors of AF and other clinical findings or measurements provided in the dataset. METHODS: Ranking Instances by Maximizing the Area under a Receiver Operating Characteristics (ROC) Curve (RIMARC) is used to determine the predictive weights (Pw) of baseline variables on the primary endpoint. Chi-square automatic interaction detector algorithm is performed for comparing the results of RIMARC. The primary endpoint of the ANTIPAF-AFNET 2 trial was the percentage of days with documented episodes of paroxysmal AF or with suspected persistent AF. RESULTS: By means of the RIMARC analysis algorithm, baseline SF-12 mental component score (Pw= 0.3597), age (Pw= 0.2865), blood urea nitrogen (BUN) (Pw= 0.2719), systolic blood pressure (Pw= 0.2240), and creatinine level (Pw= 0.1570) of the patients were found to be predictors of AF burden. Atrial fibrillation burden increases as baseline SF-12 mental component score gets lower; systolic blood pressure, BUN and creatinine levels become higher; and the patient gets older. The AF burden increased significantly at age >76. CONCLUSIONS: With the ANTIPAF-AFNET 2 dataset, the present data-mining analyses suggest that a baseline SF-12 mental component score, age, systolic blood pressure, BUN, and creatinine level of the patients are predictors of AF burden. Additional studies are necessary to understand the distinct kidney-specific pathophysiological pathways that contribute to AF burden.


Subject(s)
Angiotensin Receptor Antagonists/administration & dosage , Atrial Fibrillation/drug therapy , Atrial Fibrillation/epidemiology , Data Mining/methods , Hypertension/epidemiology , Imidazoles/administration & dosage , Tetrazoles/administration & dosage , Age Distribution , Aged , Aged, 80 and over , Anti-Arrhythmia Agents/administration & dosage , Antihypertensive Agents/administration & dosage , Comorbidity , Double-Blind Method , Female , Humans , Hypertension/prevention & control , Incidence , Male , Middle Aged , Prevalence , Risk Factors , Sex Distribution , Treatment Outcome , Turkey/epidemiology
11.
JACC Cardiovasc Interv ; 9(24): 2541-2554, 2016 12 26.
Article in English | MEDLINE | ID: mdl-28007203

ABSTRACT

OBJECTIVES: This study sought to analyze health-related quality-of-life (HrQoL) outcomes of patients undergoing transcatheter aortic valve replacement (TAVR) based on data from GARY (German Aortic Valve Registry). BACKGROUND: Typically, patients currently referred for and treated by TAVR are elderly with a concomitant variable spectrum of multiple comorbidities, disabilities, and limited life expectancy. Beyond mortality and morbidity, the assessment of HrQoL is of paramount importance not only to guide patient-centered clinical decision-making but also to judge this new treatment modality in this high-risk patient population. METHODS: In 2011, 3,875 patients undergoing TAVR were included in the GARY registry. HrQoL was prospectively measured using the EuroQol 5 dimensions questionnaire self-complete version on paper at baseline and 1 year. RESULTS: Complete follow-up EuroQol 5 dimensions questionnaire evaluation was available for 2,288 patients (transvascular transcatheter aortic valve replacement [TAVR-TV]: n = 1,626 and transapical TAVR [TAVR-TA]: n = 662). In-hospital mortality was 5.9% (n = 229) and the 1-year mortality was 23% (n = 893). The baseline visual analog scale score for general health status was 52.6% for TAVR-TV and 55.8% for TAVR-TA and, in parallel to an improvement in New York Heart Association functional class, improved to 59.6% and 58.5% at 1 year, respectively (p < 0.001). Between baseline and 1 year, the number of patients reporting no complaints increased by 7.8% (TAVR-TV) and by 3.5% within the mobility dimension, and by 14.1% (TAVR-TV) and 9.2% within the usual activity dimension, whereas only moderate changes were found for the self-care, pain or discomfort, and anxiety or depression dimensions. In a multiple linear regression analysis several pre- and post-operative factors were predictive for less pronounced HrQoL benefits. CONCLUSIONS: TAVR treatment led to improvements in HrQoL, especially in terms of mobility and usual activities. The magnitude of improvements was higher in the TAVR-TV group as compared to the TAVR-TA group. However, there was a sizable group of patients who did not derive any HrQoL benefits. Several independent pre- and post-operative factors were identified being predictive for less pronounced HrQoL benefits.


Subject(s)
Aortic Valve Stenosis/surgery , Quality of Life , Transcatheter Aortic Valve Replacement , Activities of Daily Living , Aged , Aged, 80 and over , Aortic Valve Stenosis/diagnostic imaging , Aortic Valve Stenosis/mortality , Aortic Valve Stenosis/psychology , Chi-Square Distribution , Female , Germany , Hospital Mortality , Humans , Linear Models , Male , Mobility Limitation , Prospective Studies , Recovery of Function , Registries , Risk Factors , Surveys and Questionnaires , Time Factors , Transcatheter Aortic Valve Replacement/adverse effects , Transcatheter Aortic Valve Replacement/mortality , Treatment Outcome
12.
Cardiology ; 135(3): 141-150, 2016.
Article in English | MEDLINE | ID: mdl-27333284

ABSTRACT

OBJECTIVES: The efficacy of ivabradine has been demonstrated in different subpopulations of stable angina patients in randomized clinical trials. This study explored its effectiveness in subpopulations seen in clinical practice as they often differ from those of randomized trials. METHODS: Data were pooled from three German observational studies with similar inclusion criteria (stable angina and heart rate ≥60 bpm). All patients received 2.5, 5, or 7.5 mg b.i.d. of ivabradine for 4 months, with or without concomitant beta-blocker. Antianginal effectiveness was analyzed in subpopulations defined by gender, age, heart rate, angina severity, use of concomitant beta-blocker, previous percutaneous coronary intervention procedure, and comorbidities (including previous myocardial infarction and diabetes). RESULTS: Treatment data were available on 8,555 patients, where therapy with ivabradine was associated with a significant reduction in the frequency of angina attacks and consumption of short-acting nitrates of 87%. Effectiveness was maintained in all investigated subpopulations, with a reduction in antianginal parameters of 82-90%. Clinical status (Canadian Cardiovascular Society class) and quality of life were also improved. Ivabradine was well tolerated in all subgroups. CONCLUSIONS: Ivabradine is effective and safe in all subpopulations of angina patients seen in clinical practice, independent of age, comorbidities, and use of beta-blocker.


Subject(s)
Angina, Stable/drug therapy , Benzazepines/therapeutic use , Cardiovascular Agents/therapeutic use , Adrenergic beta-Antagonists/therapeutic use , Aged , Aged, 80 and over , Angina, Stable/classification , Drug Therapy, Combination , Female , Heart Rate , Humans , Ivabradine , Male , Middle Aged , Nitrates/administration & dosage , Quality of Life , Severity of Illness Index , Treatment Outcome
13.
J Cardiovasc Electrophysiol ; 27(9): 1032-7, 2016 09.
Article in English | MEDLINE | ID: mdl-27257094

ABSTRACT

INTRODUCTION: Diagnosis of infrequent cardiac arrhythmias (CA) is often unsuccessful using resting or Holter ECG. As early detection and treatment of CA, especially atrial fibrillation (AF), has implications on patients' treatment and outcome, we investigated, whether self-guided, trans-telephonic event-recorder monitoring (Tele-ECG) improves diagnosis and influences treatment options. METHODS: Between 2009 and 2014, 790 patients (54 ± 18 years, 40% male; no history of CA: 582, known AF: 179, other CA: 29) presented with recurrent symptoms suggestive of CA and were screened by Tele-ECG (17.3 ± 26.9 days). A total of 11,775 ECGs were transmitted via a 24-hour telephone hotline including documentation of the respective symptoms. RESULTS: In 73% of patients, CA was documented at the time of symptoms: sinus tachycardia 23%, premature ventricular beats 19%, AF 14%, supraventricular tachycardia 9%, sinus bradycardia 5%, sinus arrhythmia 2%, and AV block II 1%. The mean time until the first symptomatic episode occurred was 6.9 ± 15.3 days (median 2.5 days). The first documented arrhythmia occurred on average after 7.7 ± 14.1 days (median 3 days). In patients with AF (n = 110), 44% was newly diagnosed. According to the Tele-ECG diagnosis, AF ablation was performed in 27% of these patients, 7% electrical cardioversion, and in 30% antiarrhythmic therapy was initiated. In 65% of the patients with recurrence of known AF, (re-)ablation was performed or recommended and in 16% antiarrhythmic therapy was modified. CONCLUSIONS: Tele-ECG monitoring is effective in the diagnosis of suspected symptomatic CA. A diagnosis can usually be achieved within 1 week and has implications on patients' care.


Subject(s)
Arrhythmias, Cardiac/diagnosis , Arrhythmias, Cardiac/therapy , Atrial Fibrillation/diagnosis , Atrial Fibrillation/therapy , Electrocardiography/instrumentation , Heart Conduction System/physiopathology , Heart Rate , Telemedicine/instrumentation , Telemetry/instrumentation , Telephone , Action Potentials , Adult , Aged , Anti-Arrhythmia Agents/therapeutic use , Arrhythmias, Cardiac/physiopathology , Atrial Fibrillation/physiopathology , Catheter Ablation , Early Diagnosis , Electric Countershock , Female , Hotlines , Humans , Male , Middle Aged , Predictive Value of Tests , Recurrence , Reoperation , Time Factors , Treatment Outcome
15.
Ann Thorac Surg ; 101(2): 658-66, 2016 Feb.
Article in English | MEDLINE | ID: mdl-26576751

ABSTRACT

BACKGROUND: Conventional aortic valve replacement (AVR) remains the therapy of choice for many patients with severe aortic valve disease. The unique German Aortic Valve Registry (GARY) allows the comparison of contemporary outcomes of AVR with those of transcatheter AVRs. We report here real-world, all-comers outcomes of AVR, including combined AVR and coronary bypass grafting (AVR+CABG). METHODS: A total of 34,063 patients who received AVR (22,107 patients, 39% female; mean age 68.0 ± 11.3 years, mean logistic European System for Cardiac Operative Risk Evaluation, 8.6%) or AVR+CABG (11,956 patients, 28% female; mean age 72.6 ± 7.8 years, mean logistic European System for Cardiac Operative Risk Evaluation, 10.7%) between 2011 and 2013 were analyzed and followed up to assess the 1-year outcome. RESULTS: In-hospital mortality was 2.3% for AVR and 4.1% for AVR+CABG. Other important outcome variables include stroke (AVR, 1.2%; AVR+CABG, 1.9%) and new pacemaker implantation (AVR, 4.4%; AVR+CABG, 3.6%). Survival at 1 year was 93.2% for AVR and 89.4% for AVR+CABG. Total stroke rates at 1 year were 1.6% for AVR and 2.0% AVR+CABG. Quality of life assessment indicated that most patients were in New York Heart Association Functional Classification I or II (AVR, 86%; AVR+CABG, 84%) and that they were satisfied with the overall postoperative course (AVR, 88%; AVR+CABG, 87%). CONCLUSIONS: Contemporary surgical AVR yields excellent outcomes with low in-hospital mortality, a low overall complication rate, and good 1-year outcome for all risk groups. Accordingly, conventional AVR remains an important therapeutic option for many patients.


Subject(s)
Heart Defects, Congenital/surgery , Heart Valve Diseases/surgery , Heart Valve Prosthesis , Aged , Aged, 80 and over , Aortic Valve/surgery , Bicuspid Aortic Valve Disease , Female , Germany , Heart Valve Prosthesis Implantation/methods , Humans , Male , Registries , Treatment Outcome
16.
Clin Res Cardiol ; 105(1): 29-36, 2016 Jan.
Article in English | MEDLINE | ID: mdl-26109251

ABSTRACT

BACKGROUND: Dabigatran etexilate, a direct thrombin inhibitor and non-vitamin K antagonist oral anticoagulant (NOAC), has been shown to effectively prevent thromboembolic events in patients with non-valvular atrial fibrillation (AF). However, there is a paucity of data on the antithrombotic efficacy and safety of dabigatran in the resolution of left atrial appendage (LAA) thrombi in AF patients. OBJECTIVE: The primary objective of the RE-LATED AF trial is to assess whether dabigatran results in a faster complete LAA thrombus resolution as compared to vitamin K antagonist phenprocoumon. Secondary objectives are to assess the impact of dabigatran on complete LAA thrombus resolution rate within 6 weeks of treatment and change in LAA thrombus volume under treatment. Furthermore, this study aims to assess and compare safety and tolerability of dabigatran vs. phenprocoumon. METHODS: The study is designed as a prospective, randomized, open-label, controlled, explorative, blinded endpoint (PROBE) trial. Patients with AF and left atrial appendage thrombus confirmed by transoesophageal echocardiography (TEE) will be randomized to receive either dabigatran (150 mg bid) or phenprocoumon (INR 2-3) for the resolution of LAA thrombus formation for at least 21 days. Thrombus resolution will be determined by TEE 3 weeks after treatment initiation and subsequently at weeks 4 and 6, if the LAA thrombus has not been resolved before. A total of 110 patients are planned to be randomized. CONCLUSION: This is the first prospective, multicentre, randomized controlled clinical trial investigating safety and efficacy of a NOAC for the resolution of LAA thrombi in patients with non-valvular AF.


Subject(s)
Antithrombins/therapeutic use , Atrial Fibrillation/drug therapy , Dabigatran/therapeutic use , Thrombosis/drug therapy , Anticoagulants/adverse effects , Anticoagulants/therapeutic use , Antithrombins/adverse effects , Atrial Appendage/pathology , Atrial Fibrillation/complications , Dabigatran/adverse effects , Echocardiography, Transesophageal/methods , Humans , Phenprocoumon/adverse effects , Phenprocoumon/therapeutic use , Prospective Studies , Research Design , Thrombosis/etiology
17.
BMC Neurol ; 15: 129, 2015 Aug 05.
Article in English | MEDLINE | ID: mdl-26242880

ABSTRACT

BACKGROUND: Anticoagulation using vitamin K antagonists (VKAs) significantly reduces the risk of recurrent stroke in stroke patients with atrial fibrillation (AF) and is recommended by guidelines. METHODS: The German Competence NETwork on Atrial Fibrillation established a nationwide prospective registry including 9,574 AF patients, providing the opportunity to analyse AF management according to German healthcare providers. RESULTS: On enrolment, 896 (9.4 %) patients reported a prior ischaemic stroke or transient ischaemic attack. Stroke patients were significantly older, more likely to be female, had a higher rate of cardiovascular risk factors, and more frequently received anticoagulation (almost exclusively VKA) than patients without prior stroke history. Following enrolment, 76.4 % of all stroke patients without VKA contraindications received anticoagulation, which inversely associated with age (OR 0.95 per year; 95 % CI 0.92-0.97). General practitioners/internists (OR 0.40; 95 % CI 0.21-0.77) and physicians working in regional hospitals (OR 0.47; 95 % CI 0.29-0.77) prescribed anticoagulation for secondary stroke prevention less frequently than physicians working at university hospitals (reference) and office-based cardiologists (OR 1.40; 95 % CI 0.76-2.60). The impact of the treating healthcare provider was less evident in registry patients without prior stroke. CONCLUSIONS: In the AFNET registry, anticoagulation for secondary stroke prevention was prescribed in roughly three-quarters of AF patients, a significantly higher rate than in primary prevention. We identified two factors associated with withholding oral anticoagulation in stroke survivors, namely higher age and-most prominently-treatment by a general practitioner/internist or physicians working at regional hospitals.


Subject(s)
Anticoagulants/therapeutic use , Atrial Fibrillation/drug therapy , Guideline Adherence/statistics & numerical data , Practice Patterns, Physicians'/statistics & numerical data , Registries , Secondary Prevention/statistics & numerical data , Stroke/prevention & control , Vitamin K/antagonists & inhibitors , Warfarin/therapeutic use , Adolescent , Adult , Aged , Aged, 80 and over , Atrial Fibrillation/complications , Cardiology/statistics & numerical data , Female , General Practitioners/statistics & numerical data , Germany , Hospitals , Hospitals, University/statistics & numerical data , Humans , Internal Medicine/statistics & numerical data , Ischemic Attack, Transient/etiology , Ischemic Attack, Transient/prevention & control , Male , Middle Aged , Practice Guidelines as Topic , Prospective Studies , Risk Factors , Stroke/etiology , Survivors , Young Adult
18.
Biomed Res Int ; 2015: 719316, 2015.
Article in English | MEDLINE | ID: mdl-26146628

ABSTRACT

Arteriogenesis is an inflammatory process associated with rapid cellular changes involving vascular resident endothelial progenitor cells (VR-EPCs). Extracellular cell surface bound 20S proteasome has been implicated to play an important role in inflammatory processes. In our search for antigens initially regulated during collateral growth mAb CTA 157-2 was generated against membrane fractions of growing collateral vessels. CTA 157-2 stained endothelium of growing collateral vessels and the cell surface of VR-EPCs. CTA 157-2 bound a protein complex (760 kDa) that was identified as 26 kDa α7 and 21 kDa ß3 subunit of 20S proteasome in mass spectrometry. Furthermore we demonstrated specific staining of 20S proteasome after immunoprecipitation of VR-EPC membrane extract with CTA 157-2 sepharose beads. Functionally, CTA 157-2 enhanced concentration dependently AMC (7-amino-4-methylcoumarin) cleavage from LLVY (N-Succinyl-Leu-Leu-Val-Tyr) by recombinant 20S proteasome as well as proteasomal activity in VR-EPC extracts. Proliferation of VR-EPCs (BrdU incorporation) was reduced by CTA 157-2. Infusion of the antibody into the collateral circulation reduced number of collateral arteries, collateral proliferation, and collateral conductance in vivo. In conclusion our results indicate that extracellular cell surface bound 20S proteasome influences VR-EPC function in vitro and collateral growth in vivo.


Subject(s)
Blood Vessels/immunology , Collateral Circulation/immunology , Inflammation/immunology , Proteasome Endopeptidase Complex/immunology , Animals , Antibodies, Monoclonal/administration & dosage , Antibodies, Monoclonal/immunology , Antigens, Surface/immunology , Blood Vessels/growth & development , Cell Proliferation/drug effects , Endothelial Cells/immunology , Endothelial Progenitor Cells/immunology , Inflammation/pathology , Rats
20.
Thorac Cardiovasc Surg ; 63(2): 86-96, 2015 Mar.
Article in English | MEDLINE | ID: mdl-25569700

ABSTRACT

OBJECTIVES: The 25th German Heart Report provides a comprehensive analysis of morbidity and mortality in patients with selected heart diseases as well as services and care in cardiology and cardiac surgery in Germany during the period 2011-2012. It is the result of a multidisciplinary collaboration between the German Heart Foundation, the German Cardiac Society, the German Society for Thoracic and Cardiovascular Surgery, and the German Society of Pediatric Cardiology and is based on data from different sources. In addition, trends of the period from 1995 to 2012 are presented. RESULTS: The trends in morbidity due to cardiac diseases in 2010 and previous years continued in 2011. Compared with data from 1995 to 2010, one can observe: · a slight decrease in ischemic heart disease in every age group.. · a distinct increase in valve diseases, predominantly at age >75 years.. · an increase in arrhythmias from the age of 45 years on.. · an increase in cardiac failure, especially beyond the age of 75 years.. Compared with data from 2009, the mortality rates in 2011 differ somewhat; there is: · a decrease in heart failure and coronary heart disease.. · no change in arrhythmias.. · a distinct increase in valvular heart diseases.. · an additional, small decrease in congenital heart defects.. These data are in agreement with findings from other Western countries. Coronary heart disease, the most frequent cardiac disease, has continuously decreased in frequency and mortality since 2000. The underlying reasons are discussed. CONCLUSION: This report is an important resource for all parties of the healthcare system regarding heart disease conditions and their treatment in Germany.


Subject(s)
Cardiac Catheterization/trends , Cardiac Surgical Procedures/trends , Cardiology/trends , Heart Diseases/therapy , Adult , Aged , Cardiac Catheterization/adverse effects , Cardiac Catheterization/mortality , Cardiac Surgical Procedures/adverse effects , Cardiac Surgical Procedures/mortality , Databases, Factual , Female , Germany/epidemiology , Heart Diseases/diagnosis , Heart Diseases/mortality , Humans , Male , Middle Aged , Time Factors , Treatment Outcome
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