What's New in Cardiac MRI? — October 15, 2026
AI-summarised digest of 47 PubMed articles on Cardiac MRI published in the last 7 days.
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What’s New in Cardiac MRI?
October 15, 2026 · 47 articles · 16 research themes · covering October 08, 2026 – October 15, 2026
Overview
This week’s digest is dominated by advances in cardiovascular magnetic resonance (CMR) as a “tissue-to-risk” platform: multiple studies refine how we measure myocardial injury (LGE extent/patterns, ECV, entropy, diffuse fibrosis proxies) and how those measurements translate into prognosis. In ischemic cardiomyopathy, practical LGE cutoffs and ECV-informed explainable machine learning improved mortality prediction; in aortic regurgitation, not just the presence but the pattern and location of LGE carried prognostic meaning. In pulmonary arterial hypertension, myocardial T1-mapping entropy emerged as a noninvasive risk marker, while in heart failure with preserved EF, epicardial adipose tissue index (EATI) and CMR-defined fat distribution phenotypes challenged BMI-based assumptions.
A second major theme is early detection and mechanistic phenotyping using more sensitive deformation and microstructure metrics. CMR feature tracking and diffusion tensor approaches identified subtle LV/LA dysfunction and microstructural abnormalities in early hypertrophic phenotypes (including mild focal LV hypertrophy and LGE-negative HCM), and even linked subclinical LV strain impairment to cerebral small vessel disease burden. Across conditions, the message is consistent: conventional measures (e.g., standard RVEF in severe tricuspid regurgitation, or LVEF alone in HFrEF) can miss clinically relevant physiology, so newer indices (volumetric RV–PA coupling surrogates, effective RVEF, myocardial work/PV-loop metrics) and standardized strain guidance are increasingly important.
Finally, the digest highlights the practical “implementation layer” of imaging: protocol harmonization (4D flow acquisition variability), contrast delivery optimization for perfusion CMR, and patient factors that degrade image quality (MRI-specific anxiety and breath-hold performance). Parallel clinical narratives and reviews emphasize diagnostic vigilance—amyloidosis “discordance” patterns, embolic cardiac masses causing stroke, and inflammatory syndromes (SLE with macrophage activation, EGPA/Takotsubo-like myocarditis, eosinophilic endomyocarditis). Together, these studies point toward more reproducible, multimodal, and risk-calibrated cardiovascular imaging—supported by interpretable AI—moving from research measurement toward routine clinical decision-making.
Cardiac MRI tissue characterization & fibrosis quantification
Rotating Frame Spin-Lock Cardiac MRI Method at 9.4 T Can Characterize Diffuse Fibrosis in Progressing Hypertensive Heart Disease in Mice.
This study evaluated rotating-frame spin-lock continuous-wave (CW) T1ρ and RAFF2 (relaxation along a fictitious field with Rank 2) cardiac MRI methods for characterizing diffuse myocardial fibrosis in mice with advancing hypertensive heart disease induced by angiotensin II infusion for 28 days. The authors report that CW-T1ρ and RAFF2 provide complementary characterization of diffuse fibrosis alongside native T1 and late gadolinium enhancement (LGE) as hypertensive disease progresses. These findings support rotating-frame spin-lock CMR as a noninvasive technique to quantify diffuse fibrosis in preclinical hypertensive cardiomyopathy, potentially improving early risk stratification beyond LGE alone.
Kiviluoto R, Törmä D, Tawfek A et al. · Magnetic resonance in medicine · (2026) · View on PubMed ↗ · Free PDF ↗
Microstructural assessment of hypertrophic cardiomyopathy with preserved left ventricular ejection fraction using second-order motion-compensated spin echo diffusion tensor cardiovascular magnetic resonance imaging.
This cross-sectional observational study used second-order motion-compensated spin echo diffusion tensor cardiovascular magnetic resonance imaging (M2-cDTI) to assess myocardial microstructure in hypertrophic cardiomyopathy (HCM) with preserved left ventricular ejection fraction, comparing 41 HCM patients with 21 healthy volunteers. The key finding was that cDTI detects microstructural abnormalities beyond what is captured by late gadolinium enhancement (LGE) characteristics, indicating additional tissue-level changes. This is significant because it positions diffusion tensor CMR as a complementary biomarker for early or LGE-negative myocardial involvement in HCM.
Xu J, Wang S, Du F et al. · European journal of radiology · (2026) · View on PubMed ↗
Comparison of Septal Region-of-Interest and Whole-Myocardium Contouring Methods for Myocardial T1 Measurement in Metabolic Syndrome.
This study compared cardiac magnetic resonance (CMR) myocardial T1 mapping quantification using a septal region-of-interest (ROI) approach versus conventional whole-myocardium contouring in patients with metabolic syndrome (MetS), particularly addressing how to handle focal late gadolinium enhancement (LGE) scar regions. The key finding was that T1 values derived from the septal ROI method (avoiding LGE lesions) differed from and showed different predictive performance compared with whole-myocardium contouring for detecting diffuse myocardial remodeling in MetS. Scientifically, the work informs standardized T1 measurement methodology in MetS when focal LGE is present, which can affect prognostic accuracy and comparability across studies.
Zhao Y, Yang H, Zhang M et al. · Journal of visualized experiments : JoVE · (2026) · View on PubMed ↗
Cardiac MRI strain & deformation (including echo/CMR feature tracking)
Left ventricular myocardial strain impairment correlates with cerebral small vessel disease burden in patients with normal ejection fraction.
This cross-sectional study evaluated whether subclinical left ventricular (LV) myocardial strain impairment on cardiac MRI is associated with cerebral small vessel disease (CSVD) burden on brain MRI in 139 participants with preserved LV ejection fraction. LV myocardial strain impairment correlated with higher CSVD burden, indicating a link between subtle LV dysfunction and cerebral microvascular injury markers. These findings support using cardiac MRI strain as a potential noninvasive indicator of neurovascular risk in patients who otherwise have normal ejection fraction.
Wang W, Zhang X, Liang M et al. · Brain research bulletin · (2026) · View on PubMed ↗ · Free PDF ↗
Quantitative assessment of myocardial dysfunction in mild focal left ventricular hypertrophy using CMR feature tracking.
This retrospective study used CMR feature tracking to quantify left ventricular (LV) and left atrial (LA) deformation in patients with mild focal left ventricular hypertrophy (MF-LVH), compared with hypertrophic cardiomyopathy without late gadolinium enhancement (HCM-non-LGE) and healthy controls. The key finding was that MF-LVH already shows measurable LV and LA strain abnormalities on CMR-FT relative to healthy controls, with performance distinguishing MF-LVH from HCM-non-LGE and/or controls. This is significant because it supports CMR-FT strain as an early, quantitative tool for detecting myocardial dysfunction in early or focal hypertrophic phenotypes.
Wang X, Yao Y, Yang W et al. · Cardiology · (2026) · View on PubMed ↗
Cardiovascular magnetic resonance derived myocardial strain: applications, acquisition techniques, analysis, and reporting. A Scientific Statement of the Society for Cardiovascular Magnetic Resonance, Radiological Society of North America, and the European Association of Cardiovascular Imaging of the ESC.
This scientific statement reviewed and synthesized evidence on cardiovascular magnetic resonance (CMR)–derived myocardial strain, focusing on applications, acquisition techniques, analysis approaches, and reporting standards across clinical and research settings. The key finding was that CMR strain provides incremental diagnostic and prognostic value beyond conventional imaging parameters, but clinical adoption is limited by lack of protocol/analysis harmonization, noise sensitivity, and insufficient robust normative reference ranges by age, sex, and ethnicity. The significance is that standardized guidance can improve reproducibility, enable broader clinical implementation, and support consistent interpretation of CMR strain across populations and diseases.
Gulsin GS, Ambale-Venkatesh B, Axel L et al. · Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · (2026) · View on PubMed ↗ · Free PDF ↗
Cardiovascular magnetic resonance derived myocardial strain: applications, acquisition techniques, analysis, and reporting.
This publication reiterated and expanded the evidence base for CMR-derived myocardial strain, detailing how strain can be acquired, analyzed, and reported using CMR cine imaging across different clinical contexts. The key finding was that CMR strain has incremental diagnostic and prognostic utility over conventional imaging, but widespread use is constrained by variability in imaging protocols/analysis methods and limited normative reference standards by demographic factors. The scientific significance is that harmonized acquisition and reporting frameworks are needed to make CMR strain a reliable tool for clinical decision-making and multicenter research.
Gulsin GS, Ambale-Venkatesh B, Axel L et al. · European heart journal. Cardiovascular Imaging · (2026) · View on PubMed ↗ · Free PDF ↗
Artificial intelligence in paediatric cardiac critical care: from predictive analytics to continuous physiologic intelligence.
This narrative review studied the current state of artificial intelligence (AI)—including machine learning and deep learning—in pediatric cardiac critical care, covering applications across cardiac imaging, electrocardiography, predictive analytics, waveform intelligence, and postoperative outcome prediction. The key finding is that AI methods are increasingly being used to extract clinically actionable predictions from complex pediatric congenital heart disease (CHD) and continuous physiologic monitoring data. The significance is that AI could enable earlier risk detection and more continuous bedside decision support in pediatric cardiac ICU care, though implementation depends on evidence quality and validation.
Savorgnan F, Pilla P, Loomba R et al. · Cardiology in the young · (2026) · View on PubMed ↗
Cardiac MRI perfusion & contrast protocol optimization
Fully quantitative CMR rest perfusion reveals myocardial perfusion abnormality in Kawasaki disease: Association with left ventricular Remodeling.
This prospective single-center study used fully quantitative cardiac MRI rest perfusion to measure myocardial blood flow (MBF, corrected for heart rate–blood pressure product) in 87 children with Kawasaki disease and assessed associations with left ventricular (LV) remodeling. Kawasaki disease patients demonstrated myocardial perfusion abnormalities on rest perfusion imaging that were associated with subsequent or concurrent LV remodeling. These findings suggest that quantitative CMR perfusion can detect myocardial injury burden in KD and may help predict or characterize remodeling risk.
Zhou Z, Ye P, Wang C et al. · International journal of cardiology · (2026) · View on PubMed ↗
MRI-specific anxiety, patient experience, beta-blocker therapy, and image quality during cardiac magnetic resonance imaging.
This mixed-methods study investigated how MRI-specific anxiety, overall patient experience, beta-blocker therapy, and anxiety state affect breath-hold performance and image quality during early post-infarction CMR in 53 patients. The key finding was that emotional distress/anxiety measures were associated with breath-hold effort/duration and consequently with image quality, with relationships potentially modified by prior MRI experience, sex, and beta-blocker therapy. Scientifically, it supports incorporating anxiety assessment and management into CMR protocols to improve data quality and patient experience.
Wahlström S, Rosendahl L, Lundvall LL et al. · Radiography (London, England : 1995) · (2026) · View on PubMed ↗ · Free PDF ↗
The Effect of Different Gadolinium Delivery Rates on Objective and Subjective Image Quality in Cardiac Perfusion Magnetic Resonance Imaging.
This retrospective study evaluated 90 patients with suspected ischemic heart disease undergoing stress perfusion cardiac MRI to test whether different gadolinium-based contrast agent (GBCA) injection rates affect objective and subjective image quality. The key finding was that GBCA delivery rate meaningfully influences perfusion image quality metrics, with injection-rate adjustments improving measurable image quality outcomes. This is significant for optimizing contrast administration protocols in cardiac perfusion MRI to enhance diagnostic reliability for myocardial ischemia detection.
Mihl C, Pernot JC, Winkens B et al. · Investigative radiology · (2026) · View on PubMed ↗ · Free PDF ↗
Cardiac MRI hemodynamics & flow (4D flow, PV loops, vascular stiffness)
4D Flow Acquisition Parameters as Technical Correlates of Hemodynamic Measurements: An Analysis of the multicenter Tetralogy of Fallot Registry of 4D flow Energetics and Kinetics (TREK).
This multicenter observational analysis from the TREK registry evaluated how 4D flow CMR acquisition parameters (including magnet vendor, sequence, and signal quality) relate to variability in hemodynamic biomarkers such as kinetic energy (KE), vorticity (ω), and viscous energy loss (VEL) in repaired tetralogy of Fallot (rTOF). Acquisition settings and technical factors significantly influenced measured 4D flow hemodynamic values, indicating that biomarker comparisons across sites require attention to protocol harmonization. The study provides practical guidance for standardizing 4D flow CMR so that multicenter biomarker studies in rTOF yield more reliable, comparable results.
Loke YH, Lee M, O’Hara R et al. · Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · (2026) · View on PubMed ↗
Native Spleen T1 Mapping for the Assessment of Hepatic Congestion in Children With Congenital Heart Disease.
This study assessed whether native spleen T1 relaxation time (ST1) measured by CMR can reflect hepatic congestion and portal hypertension physiology in children with congenital heart disease (CHD), including those with Fontan circulation. ST1 was evaluated for associations with hemodynamic parameters from cardiac catheterization and biomarkers of liver injury, with the central finding that spleen native T1 relates to the degree of congestion/hemodynamic burden in pediatric CHD. The clinical significance is that ST1 could provide a noninvasive imaging biomarker to monitor congestive hepatopathy risk in CHD children, potentially complementing invasive hemodynamic assessment.
Tao K, Yamamura K, Sato M et al. · Circulation reports · (2026) · View on PubMed ↗ · Free PDF ↗
Myocardial work in light-chain and transthyretin-related amyloidosis with preserved ejection fraction: a cardiovascular magnetic resonance study.
This prospective CMR study investigated pressure–volume loop (PV-loop) changes and myocardial work parameters derived from CMR cine images and brachial blood pressure in patients with cardiac amyloidosis with preserved ejection fraction, comparing transthyretin-related (ATTR-CA) versus light-chain (AL-CA) subtypes and healthy controls. The key finding was that PV-loop/myocardial work parameters differed between amyloidosis patients and controls and showed potential to discriminate amyloidosis subtypes (ATTR-CA vs AL-CA) despite preserved LVEF. This is significant because subtype- and risk-relevant characterization of amyloidosis may be improved using CMR-derived myocardial work/PV-loop metrics rather than relying solely on conventional echocardiographic measures.
Liang S, Chen J, Deng Q et al. · Insights into imaging · (2026) · View on PubMed ↗ · Free PDF ↗
Age-specific reference values for pulse wave velocity in paediatric populations: a systematic review with meta-analysis.
This systematic review and meta-analysis compiled observational data to establish age-specific reference values for pulse wave velocity (PWV) in healthy pediatric populations, including sex-stratified estimates where available. The key finding was that PWV varies systematically with age (and potentially sex), enabling pooled reference ranges across pediatric age strata. Scientifically and clinically, these reference values support more accurate interpretation of arterial stiffness measurements in children and can improve early identification of abnormal vascular aging trajectories.
Martínez-Cifuentes Ó, Nilsson PM, Saz-Lara A et al. · Journal of hypertension · (2026) · View on PubMed ↗
Cardiac MRI risk stratification & prognostic biomarkers (LGE/ECV/entropy/EATI)
Impact of the Extent, Pattern, and Location of Replacement Myocardial Fibrosis on Clinical Outcomes in Aortic Regurgitation.
This study assessed how the extent, pattern, and anatomical location of LGE-detected replacement myocardial fibrosis relate to major adverse cardiovascular events (MACE) in patients with chronic aortic regurgitation (moderate-to-severe AR) undergoing contrast-enhanced CMR between 2010 and 2024. The key finding is that LGE characteristics (beyond presence alone) are associated with subsequent clinical outcomes, with specific LGE patterns/locations carrying prognostic value for MACE. Clinically, this refines CMR risk stratification in AR by linking detailed LGE phenotypes to future cardiovascular mortality, heart transplantation, or heart-failure rehospitalization.
Li B, Dai L, Liu Y et al. · European heart journal. Cardiovascular Imaging · (2026) · View on PubMed ↗
Development and Prospective Validation of an Interpretable Machine Learning Model Integrating Cardiac MRI Extracellular Volume for 1-Year MACE Prediction Post-STEMI.
This work developed and prospectively validated an interpretable machine-learning model that integrates cardiac MRI extracellular volume (CMR-ECV) with clinical variables to predict 1-year MACE after percutaneous coronary intervention in patients with ST-segment elevation myocardial infarction (STEMI). The key finding is that adding ECV improves 1-year MACE prediction and that the model’s feature selection (via Boruta) yields interpretable contributions from ECV and other predictors. Scientifically and clinically, it supports ECV-informed, explainable ML for post-STEMI prognosis, potentially enabling more tailored follow-up and risk-based management.
Zhao Z, Zhang Z, Yang Y et al. · Academic radiology · (2026) · View on PubMed ↗
A Visual LGE Extent Cutoff for Mortality Risk Stratification in Ischemic Cardiomyopathy.
This bicentric retrospective French study evaluated whether a semi-quantitative late gadolinium enhancement (LGE) extent cutoff can stratify mortality risk in ischemic cardiomyopathy patients with left ventricular ejection fraction <50%. The key finding was that an optimal LGE segments cutoff meaningfully separated patients into different mortality-risk groups, providing a practical alternative to fully quantitative LGE methods. Clinically, it offers a potentially implementable CMR threshold for risk stratification in ICM patients with reduced ejection fraction.
Unger A, Garot J, Duhamel S et al. · Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · (2026) · View on PubMed ↗ · Free PDF ↗
Cardiac amyloidosis diagnosis & subtype characterization
Septal thickness to QRS voltage ratio in Lead I/aVR: A simple tool for estimating cardiac amyloid burden.
This diagnostic study evaluated whether an integrated echocardiographic-electrocardiographic index—maximum septal thickness (MST) divided by QRS voltage in lead I and/or aVR—can estimate cardiac amyloid burden compared with cardiac MRI-derived extracellular volume (ECV) in patients with suspected or confirmed cardiac amyloidosis. The MST/QRS voltage ratio correlated with CMR ECV, suggesting the echo-ECG metric can serve as a practical surrogate for amyloid burden when ECV is unavailable. This could improve noninvasive screening and risk stratification for cardiac amyloidosis using widely accessible tests.
Sclafani M, Arcari L, Tini G et al. · International journal of cardiology · (2026) · 1 citations · View on PubMed ↗ · Free PDF ↗
Cardiac amyloidosis: what every interventional cardiologist should know.
This review article studied cardiac amyloidosis (CA) from the perspective of interventional cardiologists, emphasizing clinical recognition patterns rather than a specific gene or drug intervention. The key finding is that diagnostic “discordance” (where coronary/valvular/hemodynamic abnormalities do not fully explain symptoms, myocardial phenotype, low-flow physiology, or persistent high-sensitivity troponin elevation) should prompt suspicion of CA. The significance is improved diagnostic accuracy in patients undergoing interventional evaluation for chest pain, myocardial injury, coronary artery disease, atrial arrhythmias, or aortic stenosis where CA can mimic common cardiovascular conditions.
Izumiya Y, Kuyama N, Hirakawa K et al. · Cardiovascular intervention and therapeutics · (2026) · View on PubMed ↗ · Free PDF ↗
Inflammatory, infiltrative, and eosinophilic cardiomyopathies/myocarditis
Loeffler’s Endomyocarditis: Clinical characteristics and outcomes from a tertiary care centre registry.
This retrospective single-center registry analyzed 18 patients with Loeffler’s endomyocarditis (cardiac manifestation of hypereosinophilic syndrome) using clinical data, biomarkers, echocardiography, cardiac MRI, and endomyocardial biopsies (n=8). Two clinical patterns emerged: an acute inflammatory form with elevated troponin T, C-reactive protein, fever, and subepicardial late gadolinium enhancement, and a more chronic restrictive phenotype. The registry characterizes disease heterogeneity and imaging/biopsy correlates, which can guide prognosis and management strategies in this rare eosinophilic cardiomyopathy.
Buske P, Krieghoff C, Lücke C et al. · International journal of cardiology · (2026) · View on PubMed ↗ · Free PDF ↗
BHSMS: a new software for searching the most stable structure of clusters based on the improved basin hopping algorithm.
This JACC Case Reports article describes a 42-year-old woman with eosinophilic granulomatosis with polyangiitis (EGPA) who developed acute left ventricular dysfunction with lymphocyte-predominant myocardial inflammation and a Takotsubo-like syndrome complicated by left ventricular thrombus. The key finding is that EGPA can present with an overlap phenotype combining inflammatory myocardial injury and Takotsubo-like cardiomyopathy features, including thrombus formation. Clinically, it highlights the need to consider EGPA in unexplained Takotsubo-like presentations with inflammatory myocarditis and to promptly evaluate for intracardiac thrombus.
Zhang YY, Cheng Y, Zhang SW et al. · Physical chemistry chemical physics : PCCP · (2026) · View on PubMed ↗
Cytomegalovirus Latency Fuels Inflammation Following Myocardial Infarction.
This study investigated how latent murine cytomegalovirus (CMV) infection alters cardiac immune cell dynamics at baseline and during post–myocardial infarction (MI) repair in C57BL/6J mice. The key finding was that CMV latency fuels inflammation following MI, supported by immune profiling using spectral flow cytometry and mechanistic transcriptomic approaches including bulk and single-cell RNA/T-cell receptor (TCR) sequencing. The significance is that latent viral infection may actively worsen post-MI inflammatory remodeling, identifying a potential targetable pathway linking infection history to adverse cardiovascular outcomes.
Dapergola E, Šustić M, Ashour D et al. · Circulation research · (2026) · 1 citations · View on PubMed ↗ · Free PDF ↗
Coronary Vasculitis and Myocarditis in Acute Systemic Lupus Erythematosus Flares With Macrophage Activating Syndrome.
This case report studied acute cardiovascular manifestations in two patients with active systemic lupus erythematosus (SLE) flares complicated by macrophage activating syndrome, using cardiac magnetic resonance (CMR) to characterize myocardial and vascular injury. CMR showed both inflammatory lupus myopericarditis patterns (subepicardial late gadolinium enhancement and pericardial enhancement) and vascular-appearing injury (including transmural and subendocard involvement). These findings highlight that SLE flares with macrophage activating syndrome can present with coronary vasculitis and microvascular myocarditis that may be underrecognized and can be detected with CMR tissue characterization.
Qamar S, Luo M, Ijaz N et al. · JACC. Case reports · (2026) · View on PubMed ↗ · Free PDF ↗
Cardiac masses & embolic sources (PFE, thrombus)
Abdominal Pain as the First Presentation of Severe Heart Failure With Reduced Ejection Fraction and Left Ventricular Thrombus in a Young Asymptomatic Patient: A Diagnostic Interception.
This clinical case report described a young, asymptomatic patient who presented with abdominal pain and was found incidentally to have severe heart failure with reduced ejection fraction (HFrEF) and a left ventricular apical thrombus. Early cardiac evaluation led to appropriate management and complete thrombus resolution. The report highlights abdominal pain as a potential atypical presentation of severe HFrEF with LV thrombus and supports prompt cardiac imaging when BNP/cardiomegaly/ECG changes are present.
Alarfaj MO, Alsuwailem BS, Aljeezan MK et al. · Clinical case reports · (2026) · View on PubMed ↗
Papillary fibroelastoma of the coumadin ridge as an unusual cause of recurrent ischemic stroke: a case report.
This case report described a 51-year-old woman with recurrent ischemic stroke in whom multimodal cardiac imaging identified a papillary fibroelastoma (PFE) on the coumadin ridge near the left atrial appendage ostium. The key finding was that transesophageal echocardiography and cardiac MRI localized a highly mobile pedunculated mass despite negative thrombophilia/autoimmune workup and exclusion of patent foramen ovale. Clinically, it highlights PFE as an uncommon embolic source of posterior circulation strokes and supports comprehensive cardiac imaging when standard etiologies are negative.
Suchodolski A, Ogrodzka A, Kemona-Kałwa R et al. · The international journal of cardiovascular imaging · (2026) · View on PubMed ↗
Coronary imaging in special diseases (e.g., Kawasaki) & ischemic differentials
Coronary artery imaging in Kawasaki disease: recent updates in imaging techniques and clinical indications.
This narrative review summarized evidence on coronary artery imaging in Kawasaki disease across acute and chronic stages, focusing on indications and technical advances for computed tomography and magnetic resonance imaging. The key finding was that multimodality imaging is often required, while echocardiography remains first-line for coronary lesion and ventricular function assessment throughout disease stages. Scientifically and clinically, it clarifies when CT angiography and CMR can add diagnostic accuracy for coronary involvement beyond echocardiography.
Patharateeranart K, Goo HW, Kotoku A et al. · The international journal of cardiovascular imaging · (2026) · View on PubMed ↗
Acute Pancreatitis Presenting With ST-Segment Elevation and Marked Troponin Elevation: A Diagnostic Dilemma in a Resource-Limited Setting-A Case Report.
This case report examined acute pancreatitis presenting with ST-segment elevation and marked troponin elevation in a resource-limited setting where coronary angiography, CMR, and serial high-sensitivity troponins were unavailable. The key finding was that the presentation created a diagnostic dilemma between pancreatitis-associated myocardial injury and type 1 myocardial infarction. Clinically, it underscores the need for careful differential diagnosis and pragmatic diagnostic pathways when advanced cardiac testing is not feasible.
Aweke SK, Assale NM, Mengistu AG et al. · Clinical case reports · (2026) · View on PubMed ↗ · Free PDF ↗
Congenital heart disease imaging & post-procedural monitoring
Right Ventricular Function Assessed by Speckle Tracking Echocardiography in Patients Undergoing Transcatheter Pulmonary Valve Replacement.
This study used speckle tracking echocardiography (STE) to quantify right ventricular (RV) systolic strain and right atrial (RA) strain before pulmonary valve replacement (PVR) and after transcatheter pulmonary valve replacement (TPVR) at postoperative day 1 and at 6-month follow-up in 50 pediatric patients. The key finding is that TPVR produces measurable changes in RV systolic strain (including RV free-wall longitudinal strain and RV regional strains) and RA strain over time, reflecting post-procedural functional remodeling. This suggests STE-derived strain metrics can serve as a feasible alternative to CMR for monitoring RV function after TPVR in children.
Kucuk M, de Alba CG, Zablah J et al. · Pediatric cardiology · (2026) · View on PubMed ↗
Establishing the reliability of non-contrast 4D flow in congenital heart disease at 1.5T.
This prospective cohort study tested the reliability of non-contrast 4D flow cardiac MRI at 1.5T in pediatric and young adult patients with suspected or confirmed congenital heart disease (CHD), comparing non-contrast 4D flow (NC 4D Flow) against 2D phase-contrast (2D PC) flow and ventricular stroke volumes. The key finding is that NC 4D flow correlates well with 2D PC measurements and stroke volumes, with acceptable agreement assessed using correlation statistics and Bland–Altman analysis. Scientifically, it supports NC 4D flow as a more practical, radiation-free alternative to contrast-enhanced flow quantification in CHD, improving feasibility for longitudinal follow-up.
Brown NK, Romberg EK, Schmitt C et al. · Pediatric radiology · (2026) · View on PubMed ↗ · Free PDF ↗
Pulmonary hypertension right-heart assessment & biomarkers
The Prognostic Value of Entropy from T1 Mapping in Pulmonary Arterial Hypertension.
This prospective study evaluated whether myocardial entropy derived from CMR T1 mapping in patients with pulmonary arterial hypertension (PAH) predicts all-cause mortality or lung transplantation. The key finding was that higher/lower myocardial T1-mapping entropy (stratified in survival analyses) was prognostically associated with the composite endpoint, supporting entropy as a risk marker. Scientifically, it extends CMR T1-mapping–based texture/entropy metrics as potential noninvasive prognostic biomarkers in PAH assessed within 72 hours of right heart catheterization.
Zhao J, Guo J, He J et al. · Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · (2026) · View on PubMed ↗ · Free PDF ↗
Robust Approach to Measure Time-Resolved Septal Curvature in Pediatric Pulmonary Hypertension Patients Using Standard Short-Axis Ventricular Volume Contours: A Retrospective, Cross-Sectional Study.
This retrospective cross-sectional study in pediatric pulmonary hypertension patients assessed a robust, contour-based method to compute time-resolved septal curvature (SC) from standard short-axis ventricular volume contours and evaluated interobserver variability and performance. The key finding was that the proposed automated/robust SC computation reduced observer dependence and produced reliable septal curvature measurements compared with manual interaction approaches. This is significant because it enables more reproducible, noninvasive CMR surveillance of pediatric pulmonary hypertension severity using septal geometry metrics.
Fujiwara T, Lu VI, Frank BS et al. · Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · (2026) · View on PubMed ↗ · Free PDF ↗
Valvular heart disease (especially TR/AR/mitral valve prolapse)
Identifying the High-Risk Arrhythmic Mitral Valve Prolapse Phenotype by Imaging.
This study investigated imaging-defined high-risk “malignant” arrhythmogenic mitral valve prolapse (AMVP) phenotypes in patients with mitral valve prolapse, with emphasis on a subset over-represented among young women with unexplained sudden cardiac death at autopsy. The malignant MVP phenotype was characterized by myxomatous (often bileaflet) MVP with mitral annular disjunction, abnormal valvular–myocardial mechanics, complex ventricular ectopy/nonsustained ventricular tachycardia, and a mechanistic link to excessive systolic annular expansion, papillary muscle traction, and basal inferolateral “curling” promoting focal myocardial replacement. Clinically, identifying this imaging phenotype could improve risk stratification and guide surveillance or preventive strategies for patients with MVP at highest arrhythmic risk.
Thamman R, Haugaa KH, Hung J et al. · JACC. Cardiovascular imaging · (2026) · View on PubMed ↗
Uncovering right ventricular impairment in severe TR: Insights from novel volumetric indices.
This multicentre study evaluated right ventricular (RV) function in 289 patients with severe tricuspid regurgitation (TR) using cardiac magnetic resonance (CMR), comparing conventional RV ejection fraction (RVEF) with two novel volumetric indices: a volumetric RV–pulmonary artery (PA) coupling surrogate and effective RVEF that accounts for regurgitant volume. The key finding was that these CMR-derived volumetric measures better reflect true RV systolic performance than conventional RVEF in severe TR and have prognostic value. Clinically, this supports using CMR volumetric indices to refine risk stratification and management decisions in severe TR where standard RVEF can overestimate function.
Hinojar R, Fernández-Golfín C, Palomares JR et al. · International journal of cardiology · (2026) · View on PubMed ↗
Heart failure phenotypes & risk (HFrEF/HFpEF, LV thrombus, fat distribution)
Left ventricular end-diastolic pressure in women with ischemia and no obstructive coronary artery disease: The women’s ischemia syndrome evaluation - Coronary microvascular dysfunction study (WISE-CVD).
This study enrolled 253 women with ischemia and no obstructive coronary artery disease (INOCA) to test whether coronary microvascular dysfunction (CMD) and impaired LV relaxation contribute to elevated left ventricular end-diastolic pressure (LVEDP), using invasive coronary functional testing (CFT) and a predefined subset undergoing cardiac MRI. CMD-mediated impairment in LV relaxation was associated with higher resting LVEDP, linking microvascular physiology to diastolic filling pressures. Scientifically, it strengthens the mechanistic bridge between CMD and heart failure with preserved ejection fraction (HFpEF) pathophysiology and supports targeting microvascular-LV relaxation pathways.
Ranasinghe S, Tjoe B, Chang J et al. · International journal of cardiology · (2026) · 1 citations · View on PubMed ↗ · Free PDF ↗
Association of Cardiac MRI-Derived Epicardial Adipose Tissue Index With Adverse Clinical Outcomes in Heart Failure With Preserved Ejection Fraction.
This retrospective study assessed whether cardiac MRI-derived epicardial adipose tissue index (EATI) predicts major adverse cardiovascular events (MACE) in 265 patients with heart failure with preserved ejection fraction (HFpEF). Higher EATI was associated with worse clinical outcomes, linking increased epicardial fat burden on MRI to subsequent cardiac death or HF-related readmission. The findings support EATI as a potential imaging biomarker for risk stratification in HFpEF.
Ma S, Qian L, Lou K et al. · Journal of magnetic resonance imaging : JMRI · (2026) · View on PubMed ↗
Left ventricular ejection fraction recovery under contemporary quadruple guideline-directed therapy and the need for ICD/CRT-D implantation in HFrEF: a retrospective single-center cohort study.
This retrospective single-center cohort study evaluated left ventricular ejection fraction (LVEF) recovery and the subsequent need for ICD or CRT-D implantation in 65 patients with heart failure with reduced ejection fraction (HFrEF) treated with contemporary quadruple guideline-directed medical therapy. The key finding is that under modern four-drug therapy, many patients experience LVEF improvement after the reassessment period, which influences the proportion ultimately requiring ICD/CRT-D for primary prevention. This supports guideline-based deferral and reassessment strategies in real-world HFrEF management under current therapy.
Ajmi I, Frings MP, Forkmann M et al. · Expert review of cardiovascular therapy · (2026) · View on PubMed ↗ · Free PDF ↗
Regional fat distribution as a determinant of mortality in populations with left ventricular systolic dysfunction: challenging the obesity paradox.
This study assessed whether regional fat distribution measured in UK Biobank Imaging Enhancement Programme participants with CMR-defined left ventricular systolic impairment (left ventricular ejection fraction <50%) predicts mortality beyond BMI. The key finding was that specific patterns of regional adiposity were more strongly associated with mortality than BMI, challenging the “obesity paradox” in this population. Clinically, it suggests that CMR-based risk stratification for heart failure with reduced ejection fraction should incorporate fat distribution phenotypes rather than relying on BMI alone.
Khanna S, Ho W, Takeuchi F et al. · European journal of preventive cardiology · (2026) · 8 citations · View on PubMed ↗
Arrhythmias & electrophysiology (including genetic cardiomyopathies)
The Innocent Delta Wave in Progressive Cardiomyopathy - Culprit vs Bystander.
This case report described a 34-year-old man with progressive cardiomyopathy and recurrent atrial arrhythmias who developed an acute ischemic stroke, with echocardiography showing a hypertrophic cardiomyopathy (HCM) phenotype and moderate LV systolic dysfunction. The clinical course highlighted an “innocent delta wave” on ECG as a bystander finding while atrial fibrillation and HCM-related conduction disease were the key drivers of risk. Clinically, it emphasizes careful interpretation of ECG delta waves in HCM patients and the need to evaluate for arrhythmia and structural disease even when a delta wave is present.
Ansari AG, Shanmugam S, Vijay J et al. · The American journal of cardiology · (2026) · View on PubMed ↗
Clinical phenotype and outcomes of low-risk HCM patients who maintained stable exercise habits during follow-up.
This cohort study characterized clinical phenotype and outcomes in 253 low-risk hypertrophic cardiomyopathy (HCM) patients stratified by reliably documented stable exercise habits during follow-up (sedentary, mild, and vigorous exercise). Patients maintaining regular exercise showed a more favorable clinical and follow-up profile compared with sedentary individuals, supporting exercise as a potentially beneficial behavior in selected low-risk HCM. The results inform risk stratification and counseling by suggesting that stable exercise participation may identify a subgroup with better prognosis.
Pelliccia A, Ferrera A, Daniello CD et al. · International journal of cardiology · (2026) · View on PubMed ↗
Ventricular Fibrillation in PRKAG2 Cardiomyopathy: A Genetic Arrhythmia Substrate Beyond Wolff-Parkinson-White.
This JACC Case Reports article described a 25-year-old woman with genetically confirmed PRKAG2 cardiomyopathy who presented with out-of-hospital cardiac arrest and was found to have ventricular fibrillation. The key finding was that electrophysiological evaluation excluded Wolff–Parkinson–White syndrome and instead identified an arrhythmogenic substrate consistent with PRKAG2-related disease, with CMR showing anterolateral trabecular hypertrophy without myocardial fibrosis. The significance is that PRKAG2 cardiomyopathy can cause malignant ventricular arrhythmias beyond classic pre-excitation syndromes, informing diagnostic evaluation and arrhythmia-focused management in similar patients.
Visch J, Hopman LHGA, Holtus D et al. · JACC. Case reports · (2026) · View on PubMed ↗ · Free PDF ↗
From Sudden Cardiac Death Prevention to Performance Optimization: A Conceptual Framework for Cardiovascular Assessment in Elite Athletes.
This conceptual framework article studied how to integrate cardiovascular pre-participation assessment with performance optimization in elite athletes, focusing on sudden cardiac death prevention strategies using history, physical exam, and resting 12-lead ECG plus additional testing guided by risk. It proposes a hypothesis-generating approach that combines structural, electrical, and functional assessment to better align cardiovascular screening with athletic physiology and imaging/exercise physiology advances. The significance is that it may improve how clinicians balance safety screening and performance-related cardiovascular evaluation in elite athletes.
Torun A · Anatolian journal of cardiology · (2026) · View on PubMed ↗
Cardio-oncology & systemic risk integration (biomarkers + imaging)
Toward Precision Cardio-Oncology: Integrating Biomarkers and Cardiac Imaging for Cardiovascular Risk Assessment in Patients With Cancer.
This narrative review examined how to integrate biomarkers and multimodality cardiac imaging to refine cardiovascular risk assessment in patients with cancer across the pre-, during-, and post-treatment periods. The key finding was that combining oncology-relevant circulating biomarkers (notably high-sensitivity cardiac troponins and natriuretic peptides) with imaging (including echocardiographic measures such as global longitudinal strain) can better capture treatment-related myocardial injury and hemodynamic stress than conventional risk scores alone. The clinical significance is improved precision cardio-oncology risk stratification to mitigate cardiotoxicity and optimize cancer therapy delivery.
Sabouret A, Giamundo DM, Mamas M et al. · Oncology research and treatment · (2026) · View on PubMed ↗
Non-cardiac public health/behavioral outcomes (e.g., suicide) & non-cardiac imaging
Concentric macular rings: ultrawide-field biomarker in pediatric albinism.
This retrospective study evaluated the prevalence and clinical relevance of concentric macular rings (CMR sign) on ultrawide-field (UWF) imaging as a noninvasive biomarker of foveal hypoplasia (FH) in pediatric patients with albinism, using UWF (including green-filter and red-filter) imaging and comparing with OCT when feasible. The key finding is that the CMR sign on UWF imaging is present in pediatric albinism and correlates with FH severity and related ocular features when OCT acquisition is limited by nystagmus. This provides a practical imaging biomarker for assessing foveal development in albinism, improving clinical evaluation when OCT is difficult.
Caminal-Caramés M, Català Mora J, Díaz-Cascajosa J et al. · Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus · (2026) · View on PubMed ↗
Pattern and texton-based feature descriptors for diabetic foot ulcer detection.
This paper proposes a deep learning strategy (DLS-DFUD) for diabetic foot ulcer (DFU) detection using a pipeline of wavelet-transform-based Wiener filtering for preprocessing, segmentation, feature extraction, and classification. The key finding is the introduction of a specific end-to-end framework that improves DFU detection by reducing noise and extracting discriminative textural features (via wavelet-based preprocessing and subsequent deep learning steps). Scientifically and clinically, it aims to enable earlier, more accurate DFU screening to reduce infection and amputation risk.
Mastanvali, Rajini NH, Laxmaiah M · Expert review of medical devices · (2026) · View on PubMed ↗
Sociodemographic, Criminological and Clinical Determinants in Suicide After Release From Prison: A 23-Year National Cohort Study.
This 23-year national cohort study analyzed suicide after release from prison in Norway by linking all people incarcerated between 2000 and 2022 to national registries, comparing suicide mortality with the general population and examining risk factors over time. The key finding was that suicide risk remained elevated after prison release with identifiable sociodemographic, criminological, and clinical determinants that varied across the post-release period. This is significant for public health and clinical practice because it supports targeted, time-sensitive post-release suicide prevention strategies.
Bukten A, Mehlum L, Fazel S et al. · Acta psychiatrica Scandinavica · (2026) · View on PubMed ↗ · Free PDF ↗
Generated automatically on October 15, 2026. Covers PubMed articles published October 08, 2026 – October 15, 2026. Summaries are AI-generated; always consult the original publication for clinical or research decisions.