echocardiography – Medxy AI

重新校准转甲状腺素蛋白淀粉样变性心肌病中的二尖瓣反流评估：一项多中心队列研究提升预后判别精度

Refining Mitral Regurgitation Assessment in Transthyretin Amyloid Cardiomyopathy: A Multicenter Cohort Study Enhances Prognostic Precision

By MedXY 10/20/2026

This study establishes transthyretin amyloid cardiomyopathy-specific mitral regurgitation thresholds, revealing lower severity cutoffs than guidelines and enhancing mortality and heart failure hospitalization risk prediction.

Cardiology news

Cardiac Adaptations to Prolonged Spaceflight and Simulated Martian Gravity: Insights from a Longitudinal Observational Study

By MedXY 09/17/2026

This study explores cardiac structural and functional changes over prolonged spaceflight and simulated Martian gravity, revealing transient adaptations that stabilize without lasting detrimental effects, suggesting effective cardiovascular resilience with current countermeasures.

Cardiology news

Aficamten’s Impact on Cardiac Function and Structure in Symptomatic Nonobstructive Hypertrophic Cardiomyopathy: Insights from ACACIA-HCM Trial

By MedXY 09/02/2026

Aficamten significantly improves diastolic function and cardiac structure in symptomatic nonobstructive hypertrophic cardiomyopathy, indicating benefits beyond outflow tract gradient reduction.

Cardiology news Respiratory

Advanced Right Ventricular Phenotyping Enhances Risk Stratification in Pulmonary Arterial Hypertension Follow-Up

By MedXY 08/28/2026

Echocardiography-derived right ventricular phenotypes improve prognostic accuracy beyond standard risk tools in pulmonary arterial hypertension patients at first follow-up, refining survival predictions and guiding management strategies.

Cardiology Nephrology news

Pre-Transplant Left Atrial Volume Index as a Predictor of One-Year Morbidity after Kidney Transplantation: Insights and Implications

By MedXY 08/12/2026

This study identifies pre-transplant left atrial volume index as a potential predictor for overall one-year morbidity following kidney transplantation, highlighting its clinical relevance beyond traditional cardiac risk markers.

Cardiology news

Decoding the U-Shaped Relationship Between Left Ventricular Size and Mortality in Heart Failure Patients

By MedXY 08/07/2026

A large Chinese cohort study reveals a U-shaped association between left ventricular end-diastolic diameter and mortality in heart failure, highlighting both small and large ventricular sizes as independent risk factors.

Cardiology news Respiratory

Cardiac Alterations in Swimming-Induced Pulmonary Edema: Clinical Implications for Acute Evaluation

By MedXY 07/13/2026

A cohort study reveals that swimming-induced pulmonary edema (SIPE) is associated with transient mild cardiac dysfunction and elevated biomarkers, distinguishing it from asymptomatic swimmers and guiding acute assessment strategies.

Cardiology Critical Care news

Identifying Cardiovascular Subphenotypes in Sepsis: Toward Personalized Hemodynamic Management

By MedXY 07/07/2026

Unsupervised clustering of echocardiographic and hemodynamic data in sepsis reveals four distinct cardiovascular subphenotypes, each with unique mortality risks and responses to treatment, enabling personalized shock management strategies.

Cardiology news

Unveiling the Burden of Valvular Heart Disease Among Older Americans: Insights from the PREVUE-VALVE Study

By MedXY 06/26/2026

The PREVUE-VALVE study reveals a significant prevalence of moderate or greater valvular heart disease among U.S. adults aged 65-85, highlighting substantial public health implications and the value of decentralized echocardiographic screening.

Cardiology Emergency Medicine news

Evaluating Point-of-Care Ultrasound Accuracy for Right Ventricular Dysfunction in Pulmonary Embolism: A Comparative Analysis with Consultative Echocardiography

By MedXY 06/26/2026

This study assesses the accuracy of emergency physician-interpreted point-of-care ultrasound compared to cardiologist-interpreted consultative echocardiography for detecting right ventricular dysfunction in emergency patients with pulmonary embolism, revealing moderate sensitivity and specificity, with improved accuracy in moderate to severe cases.

Cardiology Neurology news

Acute Cardiac CT Added to Stroke Imaging Detects Cardiac Thrombi in About 1 in 16 Patients and Outperforms Transthoracic Echocardiography

By MedXY 06/10/2026

In a 3919-patient individual-level meta-analysis, acute cardiac CT detected cardiac thrombi in 6.2% of ischemic stroke cases, exceeded transthoracic echocardiography yield, added modest imaging burden, and identified patients with worse 90-day outcomes.

AI Cardiology news

AI-ECG Identified Left Ventricular Systolic Dysfunction in Kenya With High Sensitivity and Excellent Rule-Out Performance

By MedXY 05/06/2026

In Kenyan outpatient clinics, an AI-enabled ECG algorithm showed strong discrimination for left ventricular systolic dysfunction, with 95.6% sensitivity and 99.1% negative predictive value against echocardiography.

Cardiology Nephrology news

Exploring the Link Between Cardiovascular-Kidney-Metabolic Syndrome and Heart Failure Risk in Older Adults

By MedXY 04/29/2026

Higher CKM syndrome stages correlate with adverse cardiac remodeling and increased heart failure risk in older adults, as shown in the ARIC Study.

Cardiology news

Moderate Mixed Aortic Valve Disease: Why Moderate Severity Carries Severe Risk

By MedXY 03/14/2026

A large-scale multicenter study demonstrates that moderate mixed aortic valve disease (MAVD) carries a mortality risk comparable to severe aortic stenosis when symptoms or left ventricular dysfunction are present, challenging current guideline-based management for these patients.

Cardiology Internal Medicine news

Beyond the Restrictive Paradigm: Redefining Left Ventricular Phenotypes and Prognosis in Cardiac Amyloidosis

By MedXY 03/02/2026

A large-scale retrospective study challenges the classic view of cardiac amyloidosis, revealing that while restriction is the dominant phenotype at diagnosis, nearly one-third of patients present with preserved function, and progression patterns differ significantly between TTR and AL subtypes.

Cardiology Internal Medicine news

Restrictive Physiology, Not Systolic Failure, Defines the Clinical Landscape of Cardiac Amyloidosis

By MedXY 02/28/2026

A large-scale study identifies restrictive physiology as the dominant phenotype in cardiac amyloidosis. While preserved function offers better survival, rapid progression to restriction underscores the importance of early diagnosis and monitoring beyond simple ejection fraction metrics.

Cardiology Clinical Updates news

Echocardiographic Remodeling and Atrial Dynamics with Mavacamten in Nonobstructive Hypertrophic Cardiomyopathy: Insights from the ODYSSEY-HCM Trial

By MedXY 01/17/2026

This exploratory analysis of the ODYSSEY-HCM trial demonstrates that mavacamten induces modest regression of left ventricular hypertrophy and improves diastolic and left atrial function in nonobstructive HCM, despite a 21.5% incidence of reversible systolic reduction.

Cardiology news

GLIDE Score Emerges as a Robust Predictor of Success in Direct Transcatheter Tricuspid Valve Annuloplasty

By MedXY 01/05/2026

A study of 204 patients demonstrates that the GLIDE Score, originally for edge-to-edge repair, effectively predicts procedural success in transcatheter tricuspid valve annuloplasty (TTVA), with predictive accuracy further enhanced by incorporating annular diameter measurements.

Cardiology news Radiology

Why the Parasternal Window May Be the New Gold Standard for Aortic Regurgitation Quantitation

By MedXY 01/03/2026

A landmark study demonstrates that measuring flow convergence from the parasternal long-axis window significantly outperforms apical PISA in feasibility and matches Cardiac MRI accuracy for assessing aortic regurgitation severity.

Cardiology news

Unlocking Echocardiograms to Treat Undiagnosed Hypertension — The NOTIFY‑LVH Randomized Trial

By MedXY 12/03/2025

A centralized notification and support pathway using prior echocardiographic LVH increased antihypertensive initiation and new hypertension diagnoses versus usual care in a pragmatic randomized trial.