[Experiences with rotation atherotomy and atherectomy].

abstract：UNLABELLED:In human tissue sound propagation is not linear resulting in a modification of the ultrasound waves. Therefore the received ultrasound frequencies are not just the transmitted frequencies of the transducer, but contain additional harmonic frequencies. These frequencies were not used by standard echocardiogra...

journal_title：Herz

authors： Becher H,Tiemann K

更新日期：1998-12-01 00:00:00

abstract：:Remodelling is the adaptive or maladaptive response to cardiac overload or injury resulting in changes of size and function of the heart. The final pathway of maladaptive or adverse cardiac remodelling is the evolution of heart failure or sudden cardiac death. In coronary artery disease, ischemic injury leads to chang...

journal_title：Herz

authors： Brenner S,Ertl G

更新日期：2012-09-01 00:00:00

abstract：:Genetic testing plays an increasing role in cardiovascular medicine. Advances in technology and the development of novel and more affordable (high throughput) methods have led to the identification of genetic risk factors in research and clinical practice. Also, this progress has simplified the screening of patients a...

journal_title：Herz

authors： Trenkwalder T,Kessler T,Schunkert H

更新日期：2017-08-01 00:00:00

abstract：:Our 19th century predecessors considered the aorta as a source of cardiovascular pain associated with inflammatory aortitis, arterial hypertension, aortic aneurysms, aortic dissection, and aortic valve disease. However, during the 20th century epidemic of coronary artery disease clinicians became concerned with the sy...

journal_title：Herz

authors： Wooley CF,Sparks EH,Boudoulas H

更新日期：1999-04-01 00:00:00

abstract：:The American Heart Association (AHA) radically changed the recommendations regarding endocarditis prophylaxis, if patients undergo dental work. For the vast majority of patients previously considered to be at significant risk for bacterial endocarditis (especially patients with degenerative and rheumatic heart disease...

journal_title：Herz

authors： Horstkotte D,Piper C

更新日期：2009-02-01 00:00:00

abstract：BACKGROUND:The angiographic slow/no-reflow phenomenon after primary percutaneous coronary intervention carries a poor prognosis for patients with non-ST-segment elevation acute coronary syndrome (NSTEACS). There is evidence that contrast agents cause endothelial dysfunction, myocardial cell damage, and coronary spasms....

journal_title：Herz

authors： Ding S,Shi Y,Sun X,Cao Q,Dai H,Guan J

更新日期：2019-02-01 00:00:00

abstract：:In 190 patients, 208 "screw-in" type pacemaker leads were implanted; 147 in the right ventricle and 61 in the right atrium. There was no significant difference in the time required for atrial (54.7 +/- 19 min) or ventricular fixation (56.0 +/- 25 min). Similarly, fluoroscopy times for both atrial (6.3 +/- 4 min) and v...

journal_title：Herz

authors： Machraoui A,Schött D,Ong TS,Straub H,Jaedicke W,Barmeyer J

更新日期：1981-12-01 00:00:00

abstract：:Venous disease of the lower extremities comprises several common conditions such as varicose veins, superficial thrombophlebitis, deep venous thrombosis and chronic venous insufficiency. The high prevalence and increasing incidence with age of these disorders impose relevant diagnostic and therapeutic concerns. Varico...

journal_title：Herz

authors： Do DD,Husmann M

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND:Inducible nitric oxide synthase (iNOS) single-nucleotide polymorphisms have been reported to confer susceptibility to hypertension, but no consensus has been reached. The aim of this study was to investigate the association between iNOS and hypertension in a Chinese population. METHODS:This was a case-contr...

journal_title：Herz

authors： Zhai Z,Wang Z,Wang L,Chen S,Ren H,Wang D

更新日期：2018-08-01 00:00:00

abstract：:Cardiac contractility modulation (CCM) is a device therapy for patients with systolic heart failure. CCM therapy applies non-excitatory signals during the absolute refractory period of the heart cycle. It influences myocardial contractility by modulating the regulation of calcium cycling. CCM therapy has been proven t...

journal_title：Herz

authors： Tönnis T,Kuck KH

更新日期：2011-10-01 00:00:00

abstract：:In this investigation, we studied the feasibility of 3D-reconstruction from 2D cross-sectional intracoronary ultrasound images. A computer-aided, automated 3D-reconstruction was used to generate cylindrical and sagittal format of vessels in vitro (n = 9) and in vivo (n = 48). Ultrasound 2D-images were acquired with a ...

journal_title：Herz

authors： Ge J,Koch L,Roth T,Görge G,Kearney P,Haude M,Baumgart D,von Birgelen C,Brennecke R,Meyer J

更新日期：1995-08-01 00:00:00

abstract：:Positron emission tomography, advanced through technical developments, has now evolved into a routinely applicable method for clinical investigation. The rubidium-82 generator, without the need for a cyclotron, provides a source of positron radionuclide which enables delineation of cardiac structures. Three characteri...

journal_title：Herz

authors： Gould KL,Mullani N

更新日期：1987-02-01 00:00:00

abstract：BACKGROUND:In the present study, the electropharmacological activity of traditional Chinese medicine, Ginkgo biloba extract (GBE), on human hyperpolarization-activated nucleotide-gated (HCN) channels and the underlying "funny" currents was investigated. METHODS:Standard two-electrode voltage-clamp recordings were empl...

journal_title：Herz

authors： Chen H,Chen Y,Yang J,Wu P,Wang X,Huang C

更新日期：2020-05-20 00:00:00

abstract：:Coronary artery anomalies are detected on approximately 1.3% of coronary angiograms. Single coronary artery anomaly (SCA) is defined as the coronary artery arising from a single coronary ostium, nourishing the entire heart. SCA anomalies are usually benign; however, serious complications such as sudden cardiac death a...

journal_title：Herz

authors： Gul M,Sen F,Sahan E,Maden O,Selcuk T

更新日期：2014-09-01 00:00:00

abstract：:Hydralazine is a smooth muscle relaxant and a potent arteriolar dilator. The major hemodynamic effect of hydralazine in patients with heart failure are increased cardiac output and stroke volume, and decreased vascular resistance without any significant change in pulmonary and systemic venous pressure. Hydralazine als...

journal_title：Herz

authors： Chatterjee K

更新日期：1983-08-01 00:00:00

abstract：:Over the past decade there has been a steady proliferation of indices which have been proposed for assessing ventricular function. Many of these indices are based on single measurements and often are insensitive and have limited clinical utility. The present article focuses on the role of wall stress in assessing vent...

journal_title：Herz

authors： Mirsky I,Krayenbuehl HP

更新日期：1981-10-01 00:00:00

abstract：BACKGROUND:Although several classical studies seemed to provide clear ideas on the pathophysiology of atrial fibrillation, current concepts have to be modified on the basis of more recent findings. REENTRANT CIRCUITS:Based on the findings of Garrey and of Moe & Abildskov, atrial fibrillation has long been considered a...

journal_title：Herz

authors： Schoels W,Bauer A,Becker R,Senges JC,Voss F

更新日期：2002-06-01 00:00:00

abstract：:Routine determination of troponin levels is recommended for all patients with acute ischemic stroke. In 20-55% of these patients the troponin levels are elevated, which may be caused by ischemic as well as non-ischemic myocardial damage and particularly neurocardiogenic myocardial damage. In patients with acute ischem...

journal_title：Herz

authors： Kruska M,Fastner C,Scheitz JF,Kolb A,Rutsch M,Papavassiliu T,Borggrefe M,Alonso A,Akin I,Szabo K,Baumann S

更新日期：2020-07-06 00:00:00

abstract：:While there is generell agreement that patients with aortic stenosis (AS) who have already developed symptoms, such as exertional dyspnea, angina or dizziness and syncope, require urgent surgery because of their otherwise very poor outcome, the management of asymptomatic severe AS remains controversial. Although preve...

journal_title：Herz

authors： Baumgartner H

更新日期：2006-10-01 00:00:00

abstract：BACKGROUND:The radiation risk of patients undergoing invasive cardiology remains considerable and includes skin injuries and cancer. To date, submillisievert coronary angiography has not been considered feasible. PATIENTS AND METHODS:In 2011, we compared results from 100 consecutive patients undergoing elective corona...

journal_title：Herz

authors： Kuon E,Weitmann K,Hummel A,Dörr M,Reffelmann T,Riad A,Busch MC,Felix SB,Hoffmann W,Empen K

更新日期：2015-05-01 00:00:00

abstract：:After an unusually long period of time of 6 years, in August 2019 the updated version of the European Society of Cardiology (ESC) guidelines from 2013 on the management of stable coronary artery disease was published. The course of "stable" coronary artery disease is only assumed to be stable and pathologically is oft...

journal_title：Herz

authors： Silber S

更新日期：2019-12-01 00:00:00

abstract：:To provide an overview of our experience with percutaneous balloon valvuloplasty in aortic stenosis, the results obtained in 218 patients have been analyzed. During the two years of its use, the technique of the procedure has been subsequently modified with increasing balloon diameters, initially 15 mm, 18 mm and then...

journal_title：Herz

authors： Cribier A,Letac B

更新日期：1988-04-01 00:00:00

abstract：:We report the case of a 28-year old asthmatic female patient, who developed an acute heart failure beginning with diarrhea, fever, and dyspnea 5 weeks after delivery. After improvement of all vital functions and dismissal from hospital care unit a marked blood hypereosinophilia, left ventricular congestive heart failu...

journal_title：Herz

authors： Gehrke D,Herzum M,Schönian U,Klein HH,Drude L,Mennel HD,Maisch B

更新日期：1994-06-01 00:00:00

abstract：:Chronic heart failure has an age-dependent prevalence of 2% and is therefore one of the most frequent diseases in western societies. A reduced hemoglobin concentration according to the definition of the World Health Organization is a common comorbidity affecting more than half of all heart failure patients. Elderly pa...

journal_title：Herz

authors： Reda S,Motloch LJ,Hoppe UC

更新日期：2013-09-01 00:00:00

abstract：:Leg artery stenoses often indicate generalized atherosclerosis of the arterial circulation. They can easily and reliably be diagnosed by the family physician or the nurse with Doppler ultrasound measurements and the calculation of the ankle-brachial index (ABI). A decreased value (< 0.9) is not only a sign of peripher...

journal_title：Herz

authors： Diehm C,Allenberg JR,Pittrow D,Darius H

更新日期：2007-08-01 00:00:00

abstract：:Independent of the underlying cause, pulmonary hypertension (PH) remains a devastating condition that is characterized by limited survival. Cumulating evidence indicates that in addition to a dysbalance of mediators regulating vascular tone and growth factors promoting vascular remodeling, failure to resolve inflammat...

journal_title：Herz

authors： Berghausen EM,Feik L,Zierden M,Vantler M,Rosenkranz S

更新日期：2019-04-01 00:00:00

abstract：BACKGROUND:In addition to the genetic complexity of hypertrophic cardiomyopathy (HCM), there must be other disease-modifying factors that contribute to its highly variable clinical and phenotypic expression. The authors aimed to investigate serum thiol/disulphide homeostasis as a proxy for oxidative stress using a nove...

journal_title：Herz

authors： Sari M,Erkorkmaz U,Yazar H,Kocayigit I,Omar B,Alizade E,Aksoy MNM,Uslu A,Cakar GC,Pala S

更新日期：2019-12-09 00:00:00

abstract：BACKGROUND:Renal denervation (RDN) has been proposed as a novel antihypertensive intervention for treating resistant hypertension. It remains to be investigated which patient groups can potentially benefit from RDN. The present study aimed to evaluate the efficacy and safety of RDN in patients with mild-moderate resist...

journal_title：Herz

authors： Chen S,Kiuchi MG,Schmidt B,Hoye NA,Acou WJ,Liu S,Chun KRJ,Pürerfellner H

更新日期：2019-08-01 00:00:00

abstract：:Coronary stent implantation is currently performed in > 80% of percutaneous coronary interventions. Its main late complication is the development of in-stent restenosis (ISR), occurring in 10-80% of lesions treated in daily practice. The classification by Mehran et al. is most commonly used. Current therapeutic option...

journal_title：Herz

authors： Ong AT,Aoki J,McFadden EP,Serruys PW

更新日期：2004-03-01 00:00:00

abstract：:The guidelines on myocardial revascularization published in 2018 are a joint initiative of the European Society of Cardiology and the European Association for Cardio-Thoracic Surgery. To establish indications for myocardial revascularization by percutaneous coronary intervention (PCI) or coronary artery bypass graftin...

journal_title：Herz

authors： Neumann FJ,Hochholzer W,Siepe M

更新日期：2018-12-01 00:00:00