keyword
https://read.qxmd.com/read/38504716/severe-covid-19-and-its-cardiopulmonary-effects-6-and-18-months-after-hospital-discharge
#1
JOURNAL ARTICLE
J H Niebauer, A Iscel, S Schedl, C Capelle, M Kahr, S Schamilow, J Faltas, M Srdits, R Badr-Eslam, M Lichtenauer, A Zoufaly, R Valenta, S Hoffmann, S Charwat-Resl, C Krestan, W Hitzl, C Wenisch, D Bonderman
INTRODUCTION: SARS-CoV-2 infection affects the cardiopulmonary system in the acute as well as long-term phase. The aim of the present study was to comprehensively assess symptoms and possible long-term impairments 6 and 18 months after hospitalization for severe COVID-19 infection. METHODS: This prospective registry included patients with PCR-confirmed COVID-19 infection requiring hospitalization. Follow-up approximately 6 months post discharge comprised a detailed patient history, clinical examination, transthoracic echocardiography, electrocardiogram, cardiac magnetic resonance imaging (cMRI), chest computed tomography (CT) scan, pulmonary function test (PFT), six-minute walk test (6MWT) and a laboratory panel...
2024: Frontiers in Cardiovascular Medicine
https://read.qxmd.com/read/38484943/assessing-left-atrial-size-and-pump-function-in-ischemic-stroke-patients-is-cardiac-mri-superior-to-transthoracic-echocardiography
#2
JOURNAL ARTICLE
Maxwell Isaac, Senthil A Kumar, Gregory F Petroski, Alex Shinn, Ashir Mehra, Camilo R Gomez
OBJECTIVES: Current guidelines recommend transthoracic echocardiography (TTE) following an ischemic stroke as the primary technique to identify cardiac abnormalities associated with an increased risk of cerebral embolism. It is unclear whether cardiac magnetic resonance imaging (cMRI), a technique shown to provide increased imaging resolution, may also enhance the cardiac assessment of ischemic stroke patients. We compared cMRI with TTE in the evaluation of LA size and pump function in a cohort of 44 patients with ischemic stroke...
March 12, 2024: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://read.qxmd.com/read/38462584/2-5-minute-fast-brain-mri-with-multiple-contrasts-in-acute-ischemic-stroke
#3
JOURNAL ARTICLE
Annika Kits, Jonathan Al-Saadi, Francesca De Luca, Fredrik Janzon, Michael V Mazya, Johan Lundberg, Tim Sprenger, Stefan Skare, Anna Falk Delgado
PURPOSE: To assess the performance of a 2.5-minute multi-contrast brain MRI sequence (NeuroMix) in diagnosing acute cerebral infarctions. METHODS: Adult patients with a clinical suspicion of acute ischemic stroke were retrospectively included. Brain MRI at 3 T included NeuroMix and routine clinical MRI (cMRI) sequences, with DWI/ADC, T2-FLAIR, T2-weighted, T2*, SWI-EPI, and T1-weighted contrasts. Three radiologists (R1-3) independently assessed NeuroMix and cMRI for the presence of acute infarcts (DWI ↑, ADC = or ↓) and infarct-associated abnormalities on other image contrasts...
March 11, 2024: Neuroradiology
https://read.qxmd.com/read/38440908/long-term-function-of-a-novel-autologous-transcatheter-pulmonary-heart-valve-implant-in-an-adult-animal-model
#4
JOURNAL ARTICLE
Jonathan Kiekenap, Xiaolin Sun, Yimeng Hao, Marvin Steitz, Alexander Breitenstein-Attach, Jasper Emeis, Felix Berger, Boris Schmitt
BACKGROUND: Current heart valve implants entail major disadvantages in the treatment for younger patients or those with congenital heart defects. AIM: Evaluation of novel transcatheter pulmonary valve implant made from autologous pericardium with natural crosslinking agent in an in vitro setup and in vivo animal model METHODS: Valves were tested in a pulse duplicator according to ISO-standard 5840. For in vivo studies computer tomography was performed to measure sheep's native pulmonary valve dimensions...
March 5, 2024: Catheterization and Cardiovascular Interventions
https://read.qxmd.com/read/38388470/percutaneous-intramyocardial-septal-radiofrequency-ablation-after-5-year-follow-up
#5
JOURNAL ARTICLE
Shengjun Ta, Jing Li, David H Hsi, Rui Hu, Changhui Lei, Bo Shan, Wenxia Li, Jing Wang, Bo Wang, Nan Kang, Xiaojuan Li, Jiani Liu, Caixia Qi, Junzhe Huang, Yupeng Han, Fangqi Ruan, Jun Zhang, Liwen Liu
OBJECTIVE: The objective is to evaluate the 5-year follow-up results of percutaneous intramyocardial septal radiofrequency ablation (PIMSRA) for hypertrophic obstructive cardiomyopathy (HOCM), including clinical status, electrocardiographic and echocardiographic characteristics. METHODS: 27 patients (age: 44.3±15.5 years; 67% men, 33% women) with severely symptomatic HOCM who underwent PIMSRA from October 2016 to September 2017 were included. Their clinical status, resting and exercise stress echocardiography, electrocardiography and cardiac MRI (CMRI) after long-term follow-up were assessed...
February 22, 2024: Heart
https://read.qxmd.com/read/38363380/-clinical-results-of-the-eyewatch-system-1-year-outcomes
#6
JOURNAL ARTICLE
Constance Weber, Sarah Hundertmark, Frank G Holz, Karl Mercieca
BACKGROUND: The eyeWatch System (EWS) (Rheon Medical, Lausanne, Switzerland) was developed as a glaucoma drainage device (GDD) to precisely control intraocular pressure (IOP) and thus prevent the development of postoperative hypotension and its complications. OBJECTIVE: To report 1‑year outcomes from a single-center cohort undergoing EWS surgery. MATERIAL AND METHODS: Retrospective review of patients undergoing EWS surgery at the University Eye Hospital Bonn, Germany from May 2021 to September 2022...
February 16, 2024: Ophthalmologie
https://read.qxmd.com/read/38357240/diagnostic-algorithm-for-glioma-grading-using-dynamic-susceptibility-contrast%C3%A2-enhanced-magnetic-resonance-perfusion-and-proton-magnetic-resonance-spectroscopy
#7
JOURNAL ARTICLE
Dinh Hieu Nguyen, Duy Hung Nguyen, Thanh Dung Le, Ha Khuong Nguyen, Van Anh Nguyen-Thi, Minh Duc Nguyen
The present retrospective study aimed to investigate the diagnostic capacity of and design a diagnostic algorithm for dynamic susceptibility contrast-enhanced MRI (DSCE-MRI) and proton magnetic resonance spectroscopy (1 H-MRS) in grading low-grade glioma (LGG) and high-grade glioma (HGG). This retrospective study enrolled 57 patients, of which 14 had LGG and 43 had HGG, five had World Health Organization grade 1, nine had grade 2, 20 had grade 3 and 23 had grade 4 glioma. All subjects underwent a standard 3T MRI brain tumor protocol with conventional MRI (cMRI) and advanced techniques, including DSCE-MRI and 1 H-MRS...
March 2024: Biomedical Reports
https://read.qxmd.com/read/38355940/follow-up-of-intramyocardial-bone-marrow-mononuclear-cell-transplantation-beyond-10%C3%A2-years
#8
JOURNAL ARTICLE
Severi Mulari, Risto Kesävuori, Juhani A Stewart, Pasi Karjalainen, Miia Holmström, Miia Lehtinen, Juha Peltonen, Mika Laine, Juha Sinisalo, Tatu Juvonen, Markku Kupari, Ari Harjula, Tommi Pätilä, Sari Kivistö, Esko Kankuri, Antti Vento
Bone marrow mononuclear cells (BMMCs) have been evaluated for their ability to improve cardiac repair and benefit patients with severe ischemic heart disease and heart failure. In our single-center trial in 2006-2011 we demonstrated the safety and efficacy of BMMCs injected intramyocardially in conjunction with coronary artery bypass surgery. The effect persisted in the follow-up study 5 years later. In this study, we investigated the efficacy of BMMC therapy beyond 10 years. A total of 18 patients (46%) died during over 10-years follow-up and 21 were contacted for participation...
February 14, 2024: Scientific Reports
https://read.qxmd.com/read/38348238/comparison-of-cardiac-magnetic-resonance-imaging-functional-and-haemodynamic-variables-in-pulmonary-arterial-hypertension-insights-from-repair
#9
JOURNAL ARTICLE
David G Kiely, Richard Channick, Dayana Flores, Nazzareno Galiè, Gwen MacDonald, J Tim Marcus, Lada Mitchell, Andrew Peacock, Stephan Rosenkranz, Ahmed Tawakol, Adam Torbicki, Anton Vonk Noordegraaf, Andrew J Swift
BACKGROUND: Measures that can detect large treatment effects are important for monitoring therapeutic effectiveness. The 2022 European Society of Cardiology/European Respiratory Society guidelines highlight the importance of imaging in monitoring disease status and treatment response in pulmonary arterial hypertension (PAH). Are the standardised treatment effect sizes (STES) of cardiac magnetic resonance imaging (cMRI) comparable with functional and haemodynamic variables? METHODS: REPAIR (ClinicalTrials...
January 2024: ERJ Open Research
https://read.qxmd.com/read/38327492/case-report-a-myxoma-with-a-far-reach
#10
Elias Akiki, Arman Arghami, Muhannad A Abbasi, Edward A El-Am, Ali Ahmad, Thomas A Foley, Richard C Daly, Joseph J Maleszewski, Reto Kurmann, Kyle W Klarich
A 73-year-old woman presented to the emergency department with a syncopal episode and a history of dizzy spells. A transthoracic echocardiogram demonstrated a large left atrial mass extending into the right upper pulmonary veins. Subsequently, cardiac magnetic resonance imaging and coronary computed tomography angiography with three-dimensional reconstruction and printing of the heart and mass were performed, which demonstrated a high index of suspicion for an atypical left atrial myxoma. The mass was excised robotically, and the pathology report confirmed a diagnosis of myxoma...
2024: Frontiers in Cardiovascular Medicine
https://read.qxmd.com/read/38293793/features-of-cardiovascular-magnetic-resonance-native-t1-mapping-in-maintenance-hemodialysis-patients-and-their-related-factors
#11
JOURNAL ARTICLE
Changqin Zhang, Lijing Yao, Min Liu, Yilun Zhou
PURPOSE: Increased myocardial T1 values on cardiovascular MRI (CMRI) have been shown to be a surrogate marker for myocardial fibrosis. The use of CMRI in patients on hemodialysis (HD) remains limited. This research aimed to explore the characteristics of native T1 values in HD patients and identify factors related to T1 values. METHODS: A total of thirty-two patients on HD and fourteen healthy controls were included in this study. All participants underwent CMRI...
December 2024: Renal Failure
https://read.qxmd.com/read/38283537/thyrotoxic-cardiomyopathy-unveiled-insights-from-a-compelling-case-report
#12
Anas Ibraheem, Abdullah Abdullah
Thyrotoxicosis is a clinical condition characterized by inappropriately elevated thyroid hormone levels in the bloodstream, leading to systemic effects on the body. In fact, the thyrotoxic state has tight regulatory control over the cardiovascular system through genomic and non-genomic mechanisms. This study highlights a rare presentation of thyrotoxic cardiomyopathy (TCM), which, to the best of our knowledge, is one of the very few case reports involving heart failure with preserved ejection fraction (HFpEF) and only atrial involvement, compared to the previous literature...
December 2023: Curēus
https://read.qxmd.com/read/38281309/effect-of-macitentan-in-pulmonary-arterial-hypertension-and-the-relationship-between-echocardiography-and-cmri-variables-repair-echocardiography-sub-study-results
#13
JOURNAL ARTICLE
Adam Torbicki, Richard Channick, Nazzareno Galiè, David G Kiely, Pamela Moceri, Andrew Peacock, Andrew J Swift, Ahmed Tawakol, Anton Vonk Noordegraaf, Dayana Flores, Nicolas Martin, Stephan Rosenkranz
INTRODUCTION: The aim of this sub-study was to evaluate the relationship between echocardiography (echo) and cardiac magnetic resonance imaging (cMRI) variables and to utilize echo to assess the effect of macitentan on right ventricle (RV) structure and function. METHODS: REPAIR (NCT02310672) was a prospective, multicenter, single-arm, open-label, 52-week, phase 4 study in pulmonary arterial hypertension (PAH) patients, which investigated the effect of macitentan 10 mg as monotherapy, or in combination with a phosphodiesterase 5 inhibitor, on RV structure, function, and hemodynamics using cMRI and right heart catheterization...
January 28, 2024: Cardiology and Therapy
https://read.qxmd.com/read/38279057/incidence-of-brain-injuries-in-a-large-cohort-of-very-preterm-and-extremely-preterm-infants-at-term-equivalent-age-results-of-a-single-tertiary-neonatal-care-center-over-10%C3%A2-years
#14
JOURNAL ARTICLE
Karla Drommelschmidt, Thomas Mayrhofer, Britta Hüning, Anja Stein, Borek Foldyna, Bernd Schweiger, Ursula Felderhoff-Müser, Selma Sirin
OBJECTIVES: Cerebral magnetic resonance imaging (cMRI) at term-equivalent age (TEA) can detect brain injury (BI) associated with adverse neurological outcomes in preterm infants. This study aimed to assess BI incidences in a large, consecutive cohort of preterm infants born < 32 weeks of gestation, the comparison between very (VPT, ≥ 28 + 0 to < 32 + 0 weeks of gestation) and extremely preterm infants (EPT, < 28 + 0 weeks of gestation) and across weeks of gestation...
January 27, 2024: European Radiology
https://read.qxmd.com/read/38265901/parallel-alternating-iterative-optimization-for-cardiac-magnetic-resonance-image-blind-super-resolution
#15
JOURNAL ARTICLE
Zhaoyang Song, Defu Qiu, Xiaoqiang Zhao, Ruijuan Liu, Yongyong Hui, Hongmei Jiang
Cardiac magnetic resonance imaging (CMRI) super-resolution (SR) reconstruction technology can enhance the resolution and quality of CMRI, providing experts with clearer and more accurate information about cardiac structure and function. This technology aids in the rapid and accurate diagnosis of cardiac abnormalities and the development of personalized treatment plans. In the processing of CMRI, existing bicubic degradation-based SR methods often suffer from performance degradation, resulting in blurred SR images...
January 24, 2024: IEEE Journal of Biomedical and Health Informatics
https://read.qxmd.com/read/38256401/the-prognostic-value-of-one-year-changes-in-biventricular-mechanics-for-three-year-survival-in-patients-with-precapillary-pulmonary-hypertension-a-cardiovascular-magnetic-resonance-feature-tracking-study
#16
JOURNAL ARTICLE
Lina Padervinskienė, Joana Ažukaitė, Deimantė Hoppenot, Aušra Krivickienė, Paulius Šimkus, Irena Nedzelskienė, Skaidrius Miliauskas, Eglė Ereminienė
Background and Objectives : The management of patients with pulmonary hypertension (PH) poses a considerable challenge. While baseline cardiac magnetic resonance imaging (cMRI) indices are recognized for survival prognosis in PH, the prognostic value of one-year changes in biventricular mechanics, especially as assessed using feature tracking (FT) technology, remains underexplored. This study aims to assess the predictive value of one-year change in cMRI-derived biventricular function and mechanics parameters, along with N-terminal pro-brain natriuretic peptide (NT-proBNP) levels and six-minute walking test (6MWT) results for three-year mortality in precapillary PH patients...
January 12, 2024: Medicina
https://read.qxmd.com/read/38245061/potential-utility-of-spect-ct-with-99mtc-tektrotyd-for-imaging-of-post-myocardial-infarction-inflammation
#17
JOURNAL ARTICLE
Svetlana I Sazonova, Julia N Ilyushenkova, Anna G Syrkina, Andrey A Trusov, Olga V Mochula, Anna I Mishkina, Vyacheslav V Ryabov
BACKGROUND: There is a need to develop methods for post-myocardial infarction (MI) inflammation monitoring. Scintigraphy with somatostatin receptor targeted radiotracers has potential in this field. The purpose was to study the association of 99m Tc-Tektrotyd uptake intensity in MI area with heart contractility indices over 6-month follow-up. METHODS: Fourteen patients with acute ST-segment elevation anterior MI (STEMI) were examined with 99m Tc-Tektrotyd SPECT/CT, myocardial perfusion scintigraphy (MPS) at rest, cardiac magnetic resonance imaging (cMRI) and transthoracic echocardiography (TTE)...
December 2023: Journal of Nuclear Cardiology
https://read.qxmd.com/read/38217635/multi-parametric-assessment-of-cardiac-magnetic-resonance-images-to-distinguish-myocardial-infarctions-a-tensor-based-radiomics-feature
#18
JOURNAL ARTICLE
Dehua Wang, Hayder Jasim Taher, Murtadha Al-Fatlawi, Badr Ahmed Abdullah, Munojat Khayatovna Ismailova, Razzagh Abedi-Firouzjah
AIM: This study assessed the myocardial infarction (MI) using a novel fusion approach (multi-flavored or tensor-based) of multi-parametric cardiac magnetic resonance imaging (CMRI) at four sequences; T1-weighted (T1W) in the axial plane, sense-balanced turbo field echo (sBTFE) in the axial plane, late gadolinium enhancement of heart short axis (LGE-SA) in the sagittal plane, and four-chamber views of LGE (LGE-4CH) in the axial plane. METHODS: After considering the inclusion and exclusion criteria, 115 patients (83 with MI diagnosis and 32 as healthy control patients), were included in the present study...
January 6, 2024: Journal of X-ray Science and Technology
https://read.qxmd.com/read/38213931/gancmri-cardiac-magnetic-resonance-video-generation-and-physiologic-guidance-using-latent-space-prompting
#19
JOURNAL ARTICLE
Milos Vukadinovic, Alan C Kwan, Debiao Li, David Ouyang
Generative artificial intelligence can be applied to medical imaging on tasks such as privacy-preserving image generation and superresolution and denoising of existing images. Few prior approaches have used cardiac magnetic resonance imaging (cMRI) as a modality given the complexity of videos (the addition of the temporal dimension) as well as the limited scale of publicly available datasets. We introduce GANcMRI, a generative adversarial network that can synthesize cMRI videos with physiological guidance based on latent space prompting...
December 2023: Proceedings of Machine Learning Research
https://read.qxmd.com/read/38204763/temporal-uncertainty-localization-to-enable-human-in-the-loop-analysis-of-dynamic-contrast-enhanced-cardiac-mri-datasets
#20
JOURNAL ARTICLE
Dilek M Yalcinkaya, Khalid Youssef, Bobak Heydari, Orlando Simonetti, Rohan Dharmakumar, Subha Raman, Behzad Sharif
Dynamic contrast-enhanced (DCE) cardiac magnetic resonance imaging (CMRI) is a widely used modality for diagnosing myocardial blood flow (perfusion) abnormalities. During a typical free-breathing DCE-CMRI scan, close to 300 time-resolved images of myocardial perfusion are acquired at various contrast "wash in/out" phases. Manual segmentation of myocardial contours in each time-frame of a DCE image series can be tedious and time-consuming, particularly when non-rigid motion correction has failed or is unavailable...
October 2023: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
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