Christian Templin's research while affiliated with Schulthess Klinik, Zürich and other places
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Publications (314)
Importance:
Coronary plaques that are prone to rupture and cause adverse cardiac events are characterized by large plaque burden, large lipid content, and thin fibrous caps. Statins can halt the progression of coronary atherosclerosis; however, the effect of the proprotein convertase subtilisin kexin type 9 inhibitor alirocumab added to statin the...
Introduction and objectives
Bleeding and ischemic risk after acute coronary syndrome (ACS) is not uniform over time. Our objective was to determine the differences in post-ACS ischemic-hemorrhagic balance between diabetic and non-diabetic patients treated with dual antiplatelet therapy with prasugrel or ticagrelor.
Methods
From 4424 patients enrol...
Importance:
Machine learning algorithms enable the automatic classification of cardiovascular diseases based on raw cardiac ultrasound imaging data. However, the utility of machine learning in distinguishing between takotsubo syndrome (TTS) and acute myocardial infarction (AMI) has not been studied.
Objectives:
To assess the utility of machine l...
Zusammenfassung. Das chronische Koronarsyndrom stellt eine der häufigsten Erkrankungen dar. Die durch das chronische Koronarsyndrom bedingte myokardiale Ischämie kann sowohl durch morphologische wie auch funktionelle Veränderungen der Herzkranzgefässe bedingt sein, wobei Veränderungen das epikardiale Koronarsystem oder die koronare Mikrozirkulation...
Background
Controversy exists over whether sex has significant interaction with revascularization strategy for unprotected left main coronary artery disease. Higher mortality has been reported among women treated with percutaneous coronary intervention compared with coronary artery bypass grafting.
Methods and Results
The DELTA (Drug‐Eluting Stent...
Background:
The wall motion abnormalities of the left ventricle (LV) in takotsubo syndrome (TTS) are known to be transient and completely recover within a few weeks. However, there is little information about the relationship between functional recovery and tissue characteristics. The aim of this study was to investigate the recovery process of TT...
Background
Ethnic disparities have been reported in cardiovascular disease. However, ethnic disparities in takotsubo syndrome (TTS) remain elusive. This study assessed differences in clinical characteristics between Japanese and European TTS patients and determined the impact of ethnicity on in-hospital outcomes.
Methods
TTS patients in Japan were...
This is the first part of a scientific statement from the Heart Failure Association of the European Society of Cardiology focused upon the pathophysiology of Takotsubo syndrome and is complimentary to the previous HFA Position Statement on Takotsubo syndrome which focused upon clinical management. In part 1 we provide an overview of the pathophysio...
PurposeHigher risk of bleeding with ticagrelor over clopidogrel in elderly patients with acute coronary syndrome (ACS) who underwent percutaneous coronary intervention (PCI) has been suggested. We assessed the incidence of major bleedings (MB), reinfarction (re-MI), and all-cause death to evaluate safety and efficacy of ticagrelor versus clopidogre...
Cardiac alterations are frequently observed after acute neurological disorders. Takotsubo syndrome (TTS) represents an acute heart failure syndrome and is increasingly recognized as part of the spectrum of cardiac complications observed after neurological disorders. A systematic investigation of TTS patients with neurological disorders has not been...
Aortic injury represents a rare but potentially fatal complication of invasive coronary angiography. The authors present a series of four patients with aortic injury after invasive coronary angiography and intervention (mean age, 71 years; three women). In three patients, CT showed subintimal staining from undiluted contrast media (CM) in the aorti...
Background
This study sought to investigate the role of postprocedural troponin elevations in mortality prediction after transcatheter aortic valve implantation and to define the threshold at which clinically relevant postprocedure myocardial injury determines mortality.
Methods and Results
A total of 1333 consecutive patients with transcatheter a...
While the first part of the scientific statement on the pathophysiology of Takotsubo syndrome was focused the catecholamines and sympathetic nervous system, in the second part we focus on the vascular pathophysiology including coronary and systemic vascular responses, the role of the central and peripheral nervous systems during the acute phase and...
Takotsubo syndrome is named after the octopus trap used by Japanese fisherman and reflects the shape of the left ventricle during systole in patients with this condition. Takotsubo is an acute cardiac syndrome (ACS), starting with chest pain, dyspnoea, ECG changes, sometimes presenting as STEMI or non-STEMI, and in some cases with hypotension, arrh...
Spontaneous coronary artery dissection is an infrequent cause of acute coronary syndrome with comparable clinical features. Previously considered a rare disease, recent scientific interest has revealed spontaneous coronary artery dissection as an important differential diagnosis of acute coronary syndrome, especially in young women, during pregnanc...
Purpose of Review
Takotsubo syndrome (TTS) was described in Japan 3 decades ago to affect predominately postmenopausal women after emotional stress. This history is the basis of commonly held beliefs which may contribute to the underdiagnosis and misperception of TTS.
Recent Findings
TTS affects not only women, but can be present in both sexes, an...
Background
Atrial fibrillation (AF) is a major risk factor for mortality. The prevalence, clinical correlates, and prognostic impact of AF in Takotsubo syndrome (TTS) have not yet been investigated in a large patient cohort. This study aimed to investigate the prevalence, clinical correlates, and prognostic impact of AF in patients with TTS.
Metho...
Long term survival and its determinants after Percutaneous Coronary Intervention (PCI) on Unprotected Left Main Coronary Artery (ULMCA) remain to be appraised. In 9 European Centers 470 consecutive patients performing PCI on ULMCA between 2002 and 2005 were retrospectively enrolled. Survival from all cause and cardiovascular (CV) death were the pri...
Background:
Takotsubo syndrome (TTS) and spontaneous coronary artery dissection (SCAD) are now increasingly recognized. Both conditions predominantly affect females; however, the exact pathophysiology remains unclear. Large multi-center databases can help elucidate the underlying mechanism and optimize treatments to improve outcomes by allowing us...
Background:
The use of potent P2Y12 inhibitors (ticagrelor & prasugrel) in acute coronary syndrome (ACS) patients undergoing percutaneous coronary interventions (PCI) is a class I recommendation. We performed a sex-specific analysis comparing the difference in efficacy and safety outcomes between ticagrelor and prasugrel in a real-world ACS popula...
Recent reports proposing a potential association of influenza virus infection with cardiovascular diseases like Takotsubo syndrome (TTS) warrant a literature review to elucidate the demographics, clinical presentation, and outcomes in these cases. A thorough literature search was performed until March 2020. We systematically discussed TTS cases rep...
Objectives
The aim of this study was to investigate age-related outcomes of patients undergoing transcatheter aortic valve replacement (TAVR) as assessed in a nationwide, prospective, multicenter cohort study.
Background
TAVR is the preferred treatment for elderly patients with severe aortic stenosis and is expanding into lower age groups.
Method...
The Role of Percutaneous Coronary Revascularization in Chronic Coronary Syndromes Abstract. Coronary heart disease represents the leading cause of morbidity and mortality worldwide. Optimal management of these patients is therefore crucial and includes lifestyle changes, optimal medical therapy, and coronary revascularization. This review summarize...
Takotsubo Syndrome (TTS) is characterized by a transient left ventricular dysfunction recovering spontaneously within days or weeks. Although the pathophysiology of TTS remains obscure, there is growing evidence suggesting TTS to be associated with increased production of reactive oxygen species (ROS), which may be involved in causing transient cor...
The Role of Percutaneous Coronary Revascularization in Chronic Coronary Syndromes Abstract. Coronary heart disease represents the leading cause of morbidity and mortality worldwide. Optimal management of these patients is therefore crucial and includes lifestyle changes, optimal medical therapy, and coronary revascularization. This review summarize...
Aims
Acute pulmonary disorders are known physical triggers of takotsubo syndrome (TTS). This study aimed to investigate prevalence of acute pulmonary triggers in patients with TTS and their impact on outcomes.
Methods and results
Patients with TTS were enrolled from the International Takotsubo Registry and screened for triggering factors and comor...
Zusammenfassung. Die Transkatheter-Aortenklappen-Implantation (TAVI) ist in vielen Ländern zur Standardbehandlung der schwer kalzifizierten Aortenklappenstenose bei Patienten mit hohem oder mittlerem Operationsrisiko geworden. Wichtige Fragen hinsichtlich der Haltbarkeit dieser Prothesen werden in Zukunft noch beantwortet werden; die zunehmende Erf...
Takotsubo syndrome (TTS) has been a recognized clinical entity for 31 years, since its first description in 1990. TTS is now routinely diagnosed in patients who present with acute chest pain, electrocardiographic changes, troponin elevation, unobstructed coronary arteries, and a typical pattern of circumferential left ventricular wall motion abnorm...
Zusammenfassung. In der Schweiz und anderen Industrienationen ist die koronare Herzkrankheit (KHK) die häufigste Todesursache im Erwachsenenalter. Die KHK ist eine chronische Erkrankung bei der meistens Stenosen der epikardialen Herzkranzgefässe eine Mangeldurchblutung des Herzmuskelgewebes verursachen, wodurch es zu Angina Pectoris-Beschwerden, He...
Zusammenfassung. Bei ca. 10 % der Patienten, die mit dem Verdacht auf einen akuten Myokardinfarkts eine Koronarangiographie erhalten, lässt sich keine obstruktive Läsion der Koronararterien nachweisen. Diese Fälle werden als Myokardinfarkt mit nichtobstruktiven Koronararterien (MINOCA) klassifiziert, wenn nach einer strukturierten diagnostischen Ab...
Background
Takotsubo syndrome (TTS) is characterized by often reversible but acute heart failure occurring after an emotional or physical trigger event. The ‘brain failure’ counterpart is posterior reversible encephalopathy syndrome (PRES) characterized by often reversible but acute neurological symptoms. This case report elaborates on a complex cl...
In the original publication of the article, the first and the second authors’ names should be changed as follows.
Aim
Cystatin C, neutrophil gelatinase-associated lipocalin and galectin-3 have emerged as biomarker candidates to predict cardiovascular outcomes and mortality in the general population as well as in patients with coronary artery or renal disease. However, their predictive role and clinical utility in patients with acute coronary syndromes alone or...
Cardiac magnetic resonance (CMR) imaging has become an important technique for non-invasive diagnosis of takotsubo syndrome (TTS). The long-term prognostic value of CMR imaging in TTS has not been fully elucidated yet. This study sought to evaluate the prognostic value of texture analysis (TA) based on CMR images in patients with TTS using machine...
Background
Dietary carnitine that is not absorbed can serve as a precursor for gut microbiota-dependent generation of trimethylamine N-oxide (TMAO), a pro-atherogenic and pro-thrombosis promoting metabolite. Gut microbiome-derived metabolites of dietary carnitine, including TMAO and g-butyrobetaine, may accelerate atherosclerosis, increase platelet...
Background
Machine learning allows classifying diseases based only on raw echocardiographic imaging data and is therefore a landmark in the development of computer-assisted decision support systems in echocardiography.
Purpose
The present study sought to determine the value of deep (machine) learning systems for automatic discrimination of takotsu...
There is an unmet need for accurate and practical screening to detect myocarditis. We sought to test the hypothesis that the extent of acute myocarditis, measured by late gadolinium enhancement (LGE) on cardiac magnetic resonance imaging (CMR), can be estimated based on routine blood markers. A total of 44 patients were diagnosed with acute myocard...
The management of patients infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may be difficult due to the need for dedicated in-hospital pathways, protective measures for healthcare professionals and isolated beds of intensive care, particularly in areas overwhelmed by wide viral spread. Although pneumonia is the most common c...
Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is a fast spreading disease with high morbidity and mortality [1]. COVID-19 can contribute to severe myocardial injury, ultimately culminating in acute coronary syndromes (ACS) [2]. Clinical features and outcomes of patients with SARS-Co...
Takotsubo syndrome (TTS) is a complex and still poorly recognized heart disease with a wide spectrum of possible clinical presentations. Despite its reversibility, it is associated with serious adverse in-hospital events and high complication rates during follow-up. Multimodality imaging is helpful for establishing the diagnosis, guiding therapy, a...
Takotsubo syndrome (TTS) is a complex and still poorly recognized heart disease with a wide spectrum of possible clinical presentations. Despite its reversibility, it is associated with serious adverse in-hospital events and high complication rates during follow-up. Multimodality imaging is helpful for establishing the diagnosis, guiding therapy, a...
Increased physical activity is associated with numerous health benefits. This study investigated the effect of active commuting (walking and cycling to work) on health‐related quality of life (HRQoL) and absence days from work due to sickness in healthy working adults. In total, 73 participants (age: 46 ± 9 years), all working at a tertiary univers...
Introduction:
There is a lack of data on clinical outcomes of percutaneous coronary intervention (PCI) with ultrathin stents on unprotected left main (ULM) coronary artery comparing women and men.
Methods:
All patients treated with ULM-PCI with ultrathin stents (struts ≤81 μm) enrolled in the RAIN-CARDIOGROUP VII study were analyzed according to...
Aims:
Takotsubo syndrome (TTS) is an acute heart failure syndrome, which shares many features with acute coronary syndrome (ACS). Although TTS was initially described with angiographically normal coronary arteries, smaller studies recently indicated a potential coexistence of coronary artery disease (CAD) in TTS patients. This study aimed to deter...
Background:
There are limited data regarding the impact of bioresorbable polymer drug eluting stent (BP-DES) compared to durable polymer drug eluting stent (DP-DES) in patients treated with percutaneous coronary intervention using ultrathin stents in left main or bifurcations.
Methods:
In the RAIN registry (ClinicalTrials NCT03544294, june 2018...
Background
Quantitative flow ratio (QFR) is a novel, adenosine-free method for functional lesion interrogation based on 3-dimensional quantitative coronary angiography and computational algorithms. We sought to investigate the diagnostic performance of QFR versus myocardial perfusion imaging positron emission tomography (MPI-PET), which yields the...
Background
Takotsubo syndrome (TTS) occurs predominantly in post-menopausal women but is also found in younger patients.
Objectives
This study aimed to investigate age-related differences in TTS.
Methods
Patients diagnosed with TTS and enrolled in the International Takotsubo Registry between January 2011 and February 2017 were included in this an...
The Takotsubo syndrome is characterized by acute transient left ventricular dysfunction in the absence of obstructive coronary lesions. An enhanced β-adrenergic signaling and higher sensitivity to catecholamine-induced-toxicity were identified as mechanisms associated with TTS. It is still elusive, whether TTS patients with recurrent events show si...
Takotsubo syndrome is increasingly recognised worldwide. As both, takotsubo syndrome and acute myocardial infarction can present with similar findings, including chest pain, elevated troponin and creatine kinase, it is often difficult to differentiate these conditions. Here, we present a challenging case that illustrates (1) difficulties to diagnos...
Objectives The aim of this study was to investigate age-related outcomes of patients undergoing transcatheter aortic valve replacement (TAVR) as assessed in a nationwide, prospective, multicenter cohort study. Background TAVR is the preferred treatment for elderly patients with severe aortic stenosis and is expanding into lower age groups. Methods...
Objectives:
Patients suffering from Takotsubo syndrome have a higher prevalence of anxiety and depressive disorders compared to those with acute myocardial infarction and might thus show impaired regulation and processing of emotions.
Methods:
In this cross-sectional study, neural activity during an emotional picture processing task was examined...
Aims:
The aim of the present study was to investigate the impact of aspirin on prognosis in takotsubo syndrome (TTS).
Methods and results:
Patients from the International Takotsubo (InterTAK) Registry were categorized into two groups based on aspirin prescription at discharge. A comparison of clinical outcomes between groups was performed using...
Objective:
Takotsubo syndrome (TTS) is characterized by acute left ventricular dysfunction, which can contribute to intraventricular thrombus and embolism. Still, prevalence and clinical impact of thrombus formation and embolic events on outcome of TTS patients remain unclear. This study aimed to investigate clinical features and outcomes of patie...
Background
Left ventricular ( LV ) recovery in takotsubo syndrome ( TTS ) occurs over a wide‐ranging interval, varying from hours to weeks. We sought to investigate the clinical predictors and prognostic impact of recovery time for TTS patients.
Methods and Results
TTS patients from the International Takotsubo Registry were included in this study....
Background:
The risk of recurrent ischemia and bleeding after percutaneous coronary intervention (PCI) for acute coronary syndrome (ACS) may vary during the first year of follow-up according to clinical presentation, and medical and interventional strategies.
Methods:
BleeMACS and RENAMI are 2 multicenter registries enrolling patients with ACS t...
Background:
The PRECISE-DAPT and PARIS risk scores (RSs) were recently developed to help clinicians at individualizing the optimal dual antiplatelet therapy duration (DAPT) after percutaneous coronary intervention (PCI). Nevertheless, external validation of these RSs it has not yet been performed in ACS (acute coronary syndrome) patients treated w...
Background:
Hyperglycemia in the setting of an acute coronary syndrome (ACS) imp