Journal of Cardiovascular Imaging最新文献

{"title":"Feasibility and short-term outcomes of bioadaptor in bifurcation intervention using culotte technique: intravascular ultrasound analysis from a single-center experience.","authors":"Van Hoang, Giang Tra Tran, Dung Tran Ngoc, Duong Nguyen Dang, Dong Tran Van, Cuong Pham Hung, Tien Tran Dinh","doi":"10.1186/s44348-026-00083-8","DOIUrl":"10.1186/s44348-026-00083-8","url":null,"abstract":"<p><strong>Background: </strong>The DynamX bioadaptor is a novel coronary implant with three helical strands that unlock and separate to provide dynamic vessel support restoring natural vessel function. Evidence in complex bifurcation lesions requiring planned two-stent strategies is limited. This analysis evaluated the feasibility and short-term outcomes of culotte bioadaptor implantation using intravascular ultrasound (IVUS).</p><p><strong>Methods: </strong>Thirteen consecutive patients underwent bifurcation percutaneous coronary intervention using culotte technique with DynamX bioadaptor between February and October 2025. All procedures followed a standardized culotte protocol with lesion preparation, proximal optimization technique, rewiring, and final kissing balloon inflation, with IVUS used to assess bioadaptor expansion, apposition, and structural integrity.</p><p><strong>Results: </strong>Technical and procedural success was achieved in all patients (100%), with successful rewiring through bioadaptor struts in all attempts (26 of 26, 100%). IVUS demonstrated satisfactory expansion: main branch ostial expansion 94.9% ± 10.6%, side branch ostial expansion 90.2% ± 17.5%, and proximal expansion ratio 0.95 ± 0.16. No strut fractures or malapposition occurred.</p><p><strong>Conclusions: </strong>Early experience with bioadaptor implantation in culotte bifurcation stenting demonstrates feasibility, with favorable acute IVUS findings in selected patients.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13386749/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148549096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Echocardiographic guidance in transcatheter tricuspid valve interventions.","authors":"Kevin Ka Ho Kam, Mani Vannan, Alex Pui Wai Lee","doi":"10.1186/s44348-026-00079-4","DOIUrl":"10.1186/s44348-026-00079-4","url":null,"abstract":"<p><p>Echocardiographic guidance plays a pivotal role in pre-procedural screening and intraprocedural guidance for transcatheter tricuspid valve interventions (TTVI). Pre-procedurally, comprehensive transesophageal echocardiography (TEE) is essential to understand the tricuspid regurgitation (TR) mechanism, quantify TR severity, tricuspid leaflet morphology, right ventricular function/size, and help determine transcatheter tricuspid edge-to-edge repair (T-TEER) and transcatheter tricuspid valve replacement (TTVR) selection based on underlying tricuspid valve anatomy. Interprocedurally, the use of real-time three-dimensional transesophageal echocardiography (3D-TEE) together with fluoroscopy allows precise guidance of device steering, leaflet insertion, and deployment while minimizing complications, especially in technically challenging tricuspid valve anatomy. Post-device deployment echocardiography assists in the assessment of residual TR, paravalvular leak, transvalvular gradient, right ventricular function changes, and the occurrence of pericardial effusion. As device technologies and indications for TTVI continue to expand, high-quality echocardiographic protocols and expertise are central to optimizing patient selection, procedural safety, and long-term outcomes in transcatheter treatment of tricuspid valve regurgitation.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13371183/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148455892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Artificial intelligence-based calcium scoring using 3D transesophageal echocardiography in aortic stenosis: a pilot study.","authors":"Paula Fazendas, Rita Bairros, Luís Brito Elvas, Liliana Brochado, João Carlos Ferreira, Rita Gomes, Ana Rita Pereira, Cristina Martins, José Pereira, Cândida Lourenço, Tomás Brandão, Hélder Pereira, Ana G Almeida","doi":"10.1186/s44348-026-00080-x","DOIUrl":"10.1186/s44348-026-00080-x","url":null,"abstract":"<p><strong>Background: </strong>Aortic valve calcium scoring by computed tomography (CT) is an established method for assessing aortic stenosis severity but is limited by radiation exposure and availability. Artificial intelligence (AI)-based calcium detection using transthoracic echocardiography has shown promise but depends on acoustic window quality. Transesophageal echocardiography (TEE), particularly 3D TEE, may overcome these limitations by providing improved visualization without radiation. The objective of this study is to evaluate the feasibility of AI-based quantification of aortic valve calcium using 3D TEE.</p><p><strong>Methods: </strong>In this prospective pilot study, 23 patients (median age, 76 years; 56.5% male) with moderate or severe aortic stenosis underwent 3D TEE and CT. Multiplanar reconstruction generated 1.5-mm diastolic short-axis slices. A computer vision-based model identified calcium-related speckles. An automated TEE calcium score was derived from the sum of calcium pixels across 11 frames per patient, which was compared with the CT Agatston score.</p><p><strong>Results: </strong>The TEE calcium score showed a significant positive correlation with CT Agatston scores (r = 0.65, P < 0.001). Receiver operating characteristic analysis yielded an area under the curve of 0.87 (95% confidence interval, 0.69-1.00) for identifying severe calcification (cutoff, 68,813 pixels; sensitivity, 89.5%; specificity, 75.0%).</p><p><strong>Conclusions: </strong>AI-based calcium quantification using 3D TEE is feasible and correlates with CT-derived scores. This radiation-free approach may provide a promising alternative for assessing aortic valve calcification.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13352722/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148421299","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Point-of-care ultrasound to evaluate volume status in congestive heart failure.","authors":"Nathan C Shaul, Alan M Smeltz, Evan J Raff, Shawn Jia, Lauriane Guichard, Daniel J Rosenkrans, Jay W Schoenherr, Jacob D Acton, Duncan J McLean, Mark E Henry, Alexander Doyal","doi":"10.1186/s44348-026-00078-5","DOIUrl":"10.1186/s44348-026-00078-5","url":null,"abstract":"<p><p>An accurate volume status assessment is critical to the diagnosis and management of congestive heart failure. Clinically, volume status is typically assessed using a combination of physical examination findings, laboratory values, imaging studies, and invasive procedures. However, these techniques may be unreliable, cost-prohibitive, or impractical. Point-of-care ultrasound (POCUS) has the potential to improve the accuracy of volume assessments with little additional cost to the patient. This review summarizes POCUS techniques that can be used to determine volume status in patients with congestive heart failure.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13343992/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148404809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Echocardiographic changes following dual-chamber pacemaker implantation at a Malaysian tertiary heart center.","authors":"Si Ling Soh, Ian J Y Wee, Rowina Lynne Murray Binti Jeffery Murray, Suraya Hani Kamsani, Aslannif Roslan, Azlan Hussin","doi":"10.1186/s44348-026-00077-6","DOIUrl":"10.1186/s44348-026-00077-6","url":null,"abstract":"<p><strong>Background: </strong>Dual-chamber pacemaker implantation restores atrioventricular synchrony, but it might be associated with alterations in ventricular mechanics and valvular function. The echocardiographic effects of dual-chamber pacing in contemporary practice remain incompletely characterized.</p><p><strong>Methods: </strong>We conducted a retrospective single-center study of patients who underwent dual-chamber pacemaker implantation and had transthoracic echocardiography performed before and after implantation in 2022. Changes in left ventricular ejection fraction (LVEF), ventricular and atrial functional parameters, strain-derived measures, and tricuspid regurgitation (TR) severity were assessed using paired statistical analyses.</p><p><strong>Results: </strong>In total, 57 patients were included. The mean LVEF declined from 59.6% before implantation to 55.8% after implantation (mean change, - 3.76%; 95% confidence interval [CI], - 7.45 to 0.08; P = 0.051). Among the strain-based measures, right ventricular global longitudinal strain (RVGLS) worsened by a mean of 3.10% (95% CI, 0.73 to 5.48; P = 0.012), and left atrial conduit strain (LAScd) declined by 3.74% (95% CI, 3.11 to 4.37; P = 0.032) following pacemaker implantation. Stuart-Maxwell testing showed no significant overall shift in TR severity following pacemaker implantation (χ² = 24.94, P = 0.678). The left atrial volume index decreased significantly (38.98 ± 17.16 mL/m² vs. 34.38 ± 12.65 mL/m², P = 0.023), but it showed no correlation with LAScd at baseline (ρ =  - 0.183, P = 0.265) or with changes in LAScd over time (ρ = 0.160, P = 0.350). In regression analyses, increasing age was independently associated with greater decline in LAScd (β =  - 0.323 per year; 95% CI, - 0.494 to - 0.152; P < 0.001). A high pacing burden (> 20%) was not associated with changes in LVEF, LAScd, or RVGLS.</p><p><strong>Conclusions: </strong>Dual-chamber pacemaker implantation was associated with early deterioration in myocardial deformation, particularly RVGLS and LAScd, despite preserved conventional systolic parameters. These functional changes were not accompanied by structural remodeling and were independent of TR progression, supporting a mechanism related to pacing-induced dyssynchrony and altered ventricular-atrial coupling. Strain imaging could offer incremental value in detecting early subclinical dysfunction in this population.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13335278/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148396755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multimodality imaging characterization of Perugini scintigraphic grades in transthyretin amyloid cardiomyopathy: a single-center experience.","authors":"Paulius Bucius, Evelina Zarambaite, Kornelija Lusaite, Matas Streckis, Arnas Karuzas, Jurgita Plisiene, Gintare Sakalyte, Tomas Lapinskas, Donatas Vajauskas, Antanas Jankauskas, Egle Ereminiene","doi":"10.1186/s44348-026-00075-8","DOIUrl":"10.1186/s44348-026-00075-8","url":null,"abstract":"<p><strong>Background: </strong>Transthyretin amyloid cardiomyopathy (ATTR-CM) has undergone a shift towards noninvasive diagnostics using bone tracer scintigraphy with Perugini grading. While both grades 2 and 3 are considered diagnostic, potential phenotypic differences between these groups remain uncertain. We aimed to evaluate the diagnostic yield of technetium-99 m pyrophosphate (99mTc-PYP) scintigraphy and to compare clinical and multimodality imaging characteristics across scintigraphic grades in a single-center cohort.</p><p><strong>Methods: </strong>We retrospectively reviewed all patients who underwent 99mTc-PYP scintigraphy for suspected cardiac amyloidosis between 2018 and 2025. Patients with confirmed ATTR-CM were stratified by Perugini grade (grade 2 vs. grade 3). Clinical features, biomarkers, electrocardiography, echocardiography, and cardiac magnetic resonance (CMR) parameters were compared. Correlations between scintigraphic grade, imaging markers, and biomarkers were assessed.</p><p><strong>Results: </strong>Among 302 scans, 103 (34.1%) had reported cardiac uptake on planar imaging. Fifty-three patients were diagnosed with ATTR-CM, including 8 (15.1%) with grade 2 and 45 (84.9%) with grade 3 uptake. Grade 3 patients exhibited worse functional status, shorter 6-min walk distance, and higher troponin I levels. Echocardiography showed greater maximal wall thickness, lower left ventricular ejection fraction, and worse global longitudinal strain. In the subset with CMR (n = 38), grade 3 patients (n = 30) had significantly higher left ventricular mass index, extracellular volume fraction, right ventricular free wall thickness, and more frequent right ventricular involvement. Perugini grade showed strong rank-based correlations with left ventricular mass index (ρ = 0.61, P < 0.01) and extracellular volume (ρ = 0.53, p < 0.01), and a moderate correlation with troponin I (ρ = 0.55, P < 0.01). A modest correlation with brain natriuretic peptide (BNP) was also observed (ρ = 0.36, P < 0.05), although BNP levels did not differ significantly between grade groups. Grade 1 uptake was not associated with subsequent ATTR-CM diagnosis on available follow-up.</p><p><strong>Conclusions: </strong>Noninvasive scintigraphy provides effective detection of ATTR-CM in a referral population. Although grades 2 and 3 both meet diagnostic criteria, in this retrospective cohort, grade 3 uptake was associated with markers of more advanced structural remodeling, higher extracellular volume, greater right ventricular involvement, and worse functional impairment.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13274190/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148271734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Segmental strain in chronic ischemic cardiomyopathy: clarifying the role of multiple-comparison adjustment and the clinical interpretation of limits of agreement.","authors":"Maajid Mohi Ud Din Malik, Rajesh Prasad Jayaswal","doi":"10.1186/s44348-026-00076-7","DOIUrl":"10.1186/s44348-026-00076-7","url":null,"abstract":"<p><p>Khidr and colleagues recently reported an intermodality comparison of left ventricular longitudinal strain by feature-tracking cardiac magnetic resonance (FT-CMR) and 2D speckle-tracking echocardiography (2D-STE) in 55 stable patients with chronic ischemic heart disease and reduced ejection fraction. Their analysis showed a strong global longitudinal strain (GLS) correlation (r = 0.793, P < 0.001) and explicitly cautioned against treating the two modalities as interchangeable for individual or longitudinal assessment. We support these conclusions and write to extend two methodological points. First, the 17 segment-level paired comparisons in Table 4 are reported without explicit multiplicity adjustment. On recomputation against a Bonferroni threshold of α/17≈0.00294, 11 of 17 segmental differences remain statistically significant, indicating that the original segmental signal is more statistically robust than an unadjusted reader might assume; we therefore recommend explicit reporting of adjusted P-values together with a unified mixed-effects formulation that accommodates within-patient segment-to-segment correlation. Second, the GLS limits of agreement span 8.3 percentage points (- 3.2% to + 5.1%), a width sufficient to misclassify individual patients across established GLS thresholds. A worked example is provided, and the recommendation to confine longitudinal follow-up to a single platform is argued to deserve more prominent placement in the Abstract and Conclusions.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13262300/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148225543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical associations of right ventricular strain in community-acquired pneumonia: a prospective cohort study.","authors":"Eren Ozan Bakir, Mutlu Onur Gucsav, Ahmet Anil Baskurt","doi":"10.1186/s44348-026-00074-9","DOIUrl":"10.1186/s44348-026-00074-9","url":null,"abstract":"<p><strong>Background: </strong>Pneumonia remains a major cause of morbidity and mortality worldwide, and right ventricular dysfunction may contribute to adverse clinical outcomes. Right ventricular global longitudinal strain (RVGLS) is an emerging echocardiographic marker for assessing right ventricular function, but its prognostic and clinical utility in pneumonia has not been fully clarified.</p><p><strong>Methods: </strong>Eighty patients hospitalized with pneumonia underwent echocardiographic assessment, including RVGLS measurement via 2D speckle tracking echocardiography. Patients were categorized into two groups: reduced RVGLS (absolute value < 20%) and normal RVGLS (absolute value ≥ 20%). Demographic, clinical, laboratory, and echocardiographic data were compared, and associations with in-hospital outcomes were analyzed.</p><p><strong>Results: </strong>Twenty-eight patients (35%) had reduced RVGLS. Compared with the normal RVGLS group, patients with reduced RVGLS had significantly higher N-terminal pro-brain natriuretic peptide and troponin levels. Echocardiographically, patients with reduced RVGLS demonstrated lower tricuspid annular plane systolic excursion and right ventricular ejection fraction, higher pulmonary artery pressures, and larger right ventricular and pulmonary artery diameters, although most diameter measurements remained within reference value thresholds (all P < 0.05). Prolonged hospitalization > 7 days (50.0% vs. 28.8%, P = 0.044) and > 10 days (21.4% vs. 5.8%, P = 0.029), as well as longer duration of oxygen therapy (4.30 days vs. 2.60 days, P = 0.043), were significantly more common in the reduced RVGLS group. Intensive care unit admission and short-term mortality did not differ significantly between groups.</p><p><strong>Conclusions: </strong>Reduced RVGLS in pneumonia patients is associated with markers of disease severity, longer hospital stays, and extended oxygen therapy requirements, even without overt right ventricular failure. RVGLS assessment may assist in identifying patients at risk for a complicated clinical course.</p>","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13224574/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148143562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Multimodality imaging in hypertrophic cardiomyopathy.","authors":"Jihoon Kim, Sang-Chol Lee","doi":"10.1186/s44348-026-00067-8","DOIUrl":"10.1186/s44348-026-00067-8","url":null,"abstract":"","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13217985/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148054685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of saline contrast echocardiography in imaging partial coronary sinus septal defect.","authors":"P Harish, Deepa Sasikumar, Ahmed Wayez, Jineesh Valakkada","doi":"10.1186/s44348-026-00072-x","DOIUrl":"10.1186/s44348-026-00072-x","url":null,"abstract":"","PeriodicalId":15229,"journal":{"name":"Journal of Cardiovascular Imaging","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13214428/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148031028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}