Cardiovascular Ultrasound最新文献

{"title":"Left ventricular flow dynamics by cardiac imaging techniques in heart failure patients: state of the art.","authors":"Donato Mele, Lorenzo Serio, Riccardo Beccari, Antonella Cecchetto, Stefano Nistri, Gianni Pedrizzetti","doi":"10.1186/s12947-025-00347-1","DOIUrl":"10.1186/s12947-025-00347-1","url":null,"abstract":"<p><strong>Background: </strong>The evaluation of left ventricular (LV) flow dynamics is a novel approach to assessing LV function that goes beyond traditional metrics. This approach has been applied to patients with heart failure (HF), providing valuable insights that are discussed in this review, with the aim of enhancing our understanding of LV function in the context of the HF syndrome.</p><p><strong>Methods: </strong>The analysis of LV flow dynamics is typically conducted using ultrasound and magnetic resonance imaging (MRI) techniques, primarily including particle image velocimetry echocardiography, Vector Flow Imaging, HyperDoppler, and four-dimensional flow MRI. A variety of parameters can be obtained that describe the geometry of the LV vortex, vorticity, kinetic energy, energy dispersion, as well as the amplitude and direction of the hemodynamic forces within the LV cavity.</p><p><strong>Results: </strong>In normal subjects, vortex formation plays a crucial role in optimizing LV filling, diastolic-systolic coupling, and energy transfer during systolic ejection. In patients with HF, alterations in vortex structure and dynamics have been associated with both systolic and diastolic LV dysfunction, demonstrating the potential to diagnose early LV dysfunction. Furthermore, these alterations have been linked to LV remodeling and thrombus formation. Several studies have also explored intracardiac flow metrics as biomarkers for guiding HF treatments, including pharmacological interventions, cardiac resynchronization therapy, and LV assist devices.</p><p><strong>Conclusions: </strong>Currently available data suggest that the evaluation of LV flow dynamics can have diagnostic and prognostic utility in HF. However, large-scale, multicenter, and prospective studies are needed, particularly to validate therapeutic implications.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"13"},"PeriodicalIF":1.9,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12087152/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Echocardiographic imaging in patients with conduction system pacing.","authors":"Alexander Suchodolski, Ewa Jędrzejczyk-Patej, Wiktoria Kowalska, Michał Mazurek, Radosław Lenarczyk, Oskar Kowalski, Zbigniew Kalarus, Mariola Szulik","doi":"10.1186/s12947-025-00349-z","DOIUrl":"10.1186/s12947-025-00349-z","url":null,"abstract":"<p><p>Conduction system pacing (CSP), encompassing His-bundle pacing (HBP) and left bundle branch area pacing (LBBAP), revolutionizes cardiac pacing, allowing a more physiological left ventricular activation than conventional right ventricular (RV) pacing through electrode placed in RV apex, interventricular septum or right ventricular outflow tract. Echocardiography plays a pivotal role in patient assessment, primarily by measuring left ventricular ejection fraction (LVEF) to determine the pacing strategy in alignment with current guidelines. Clinical data, simulations and ongoing trials on CSP explore CSP viability across various LVEF conditions. CSP is supposed to defer pacing-induced cardiomyopathy (PiCM) associated with conventional right ventricular pacing (RVP). This paper aims to review the current literature regarding the use of echocardiography in CSP. Images from our experience in the echocardiographic lab were used throughout this document to show our proposals of imaging in CSP. Echocardiography may help to determine lead localization within the interventricular septum (IVS), customizing pacing to individual anatomy and electromechanical indices (like atro-ventricular delay) and evaluates often-overlooked valvular function, a potential PiCM contributor. Three-dimensional (3-D) echocardiography widens the knowledge of lead localization and valvular dysfunction, as well as dyssynchrony assessment. Dyssynchrony, crucial both to resynchronization per se and physiological stimulation is quantified via echocardiography, especially using speckle-tracking imaging. Baseline LVEF and follow-up observation of CSP effects: early in Global Longitudinal Strain (GLS), afterwards in LV volumes and LVEF may improve the future proper qualification of patients. Limited left atrial (LA) and right atrial (RA) strain assessments hold potential in the CSP qualification and response assessment context. Echocardiography complements other imaging modalities for comprehensive patient evaluation. Echocardiography is integral in the CSP clinical use, from patient selection (by showing subtle changes in myocardial function) to post-procedure follow-up (tricuspid regurgitation, LV and RV function, leads and synchrony assessment). GLS, assessed by speckle tracking imaging and profound 2D and 3D (lead placement, septum morphology and global heart function under CSP) analyses show promise in CSP outcome assessment, though standardization is needed.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"14"},"PeriodicalIF":1.9,"publicationDate":"2025-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12085811/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between electrocardiographic characteristics and subclinical left ventricular systolic dysfunction in isolated left bundle branch block patients.","authors":"Guangyuan Li, Yonghuai Wang, Bo Pang, Jun Yang, Chunyan Ma","doi":"10.1186/s12947-025-00342-6","DOIUrl":"https://doi.org/10.1186/s12947-025-00342-6","url":null,"abstract":"<p><strong>Background: </strong>Early identification of subclinical left ventricular (LV) systolic dysfunction (LVSD) in patients with isolated left bundle branch block (LBBB) and preserved LV ejection fraction (LVEF), termed LBBB_pEF, is clinically important. Electrocardiography (ECG) has been proposed as a potential screening tool for detecting subclinical LVSD in LBBB_pEF patients, but its effectiveness has not been fully validated. This study investigated the relationships between specific ECG characteristics and subclinical LVSD in LBBB_pEF patients.</p><p><strong>Methods: </strong>The study included 111 patients with LBBB_pEF. Two-dimensional speckle-tracking echocardiography was used to derive the LV global longitudinal strain (LV GLS), with LV GLS>-20% indicating subclinical LVSD. The recorded ECG characteristics included heart rate, QRS duration, P-R duration, QRS morphology, T-wave morphology, the presence of QS patterns, and discordant LBBB, among others. The presence of QS patterns was defined as the absence of R-waves in lead V1 (or R-waves < 1 mm with a scale of 10 mm/mV). Discordant LBBB was defined as an inconsistency between the T wave and QRS complex in leads I, V5, and V6.</p><p><strong>Results: </strong>Among the patients, 52 exhibited subclinical LVSD. Compared with those with normal LV systolic function, patients with subclinical LVSD had longer QRS durations, a higher frequency of QS patterns, and more instances of discordant LBBB. A QRS duration of 153 ms was identified as the optimal cut-off for detecting subclinical LVSD, with a sensitivity of 75.00% and specificity of 72.88%. The combination of QRS duration, the presence of QS patterns, and discordant LBBB produced the highest area under the curve of 0.82. Incorporating the presence of QS patterns and discordant LBBB into the QRS duration model increased the integrated discriminant index from 0.07 to 0.15.</p><p><strong>Conclusions: </strong>QRS duration, the presence of QS patterns, and discordant LBBB are independent predictors of subclinical LVSD in patients with LBBB_pEF. An integrated ECG assessment may offer a straightforward screening method for identifying subclinical LVSD in this population.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"7"},"PeriodicalIF":1.9,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12044813/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143972770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prenatal diagnosis of pulmonary atresia with intact ventricular septum: a single-center study in China.","authors":"Qiong Huang, Tingting Dang, Zhenzhen Zhan, Zongjie Weng, Wen Ling, Huagu Tian, Qiumei Wu","doi":"10.1186/s12947-025-00348-0","DOIUrl":"10.1186/s12947-025-00348-0","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate the efficacy of prenatal ultrasound in diagnosing pulmonary atresia with intact ventricular septum (PA/IVS).</p><p><strong>Methods: </strong>This retrospective study analyzed 48 cases of PA/IVS at the Fujian Maternity and Child Health Hospital between January 2013 and December 2023. Prenatal ultrasound was used to characterize and classify the features of PA/IVS. Pregnancy outcomes were followed up, and the results were compared with post-termination pathological anatomical findings or postnatal imaging. This study aims to enhance the understanding of PA/IVS and improve the accuracy of its prenatal diagnosis.</p><p><strong>Results: </strong>Among the 48 PA/IVS cases, four were diagnosed during early pregnancy and 44 during mid-to-late pregnancy. In the mid-to-late pregnancy group, there were 29 cases of type I (TV-Z scores ranging from - 1.77 to 5.22), 10 cases of type II (TV-Z scores ranging from - 3.50 to -2.06), and five cases of type III (TV-Z scores ranging from - 4.29 to -7.41). The cohort included 41 singleton pregnancies and seven twin pregnancies. Ventriculo-coronary artery communication (VCAC) was observed in 19 cases. Additional abnormalities included Ebstein's anomaly (EA) in three cases, restricted opening of the foramen ovale in one case, increased inner diameter of the foramen ovale in one case, reversal or deepening of the a-wave of the ductus venosus in six cases, and umbilical vein pulsation in one case. Genetic testing (amniocentesis, NIPT, or SNP-array) was performed in 19 cases, with one case revealing a genomic copy number deletion in the q22.3 region of chromosome 21. Pregnancy outcomes included 41 terminations (five with pathologic dissection or vascular casting), five live births, one selective reduction, and one intrauterine death.</p><p><strong>Conclusion: </strong>Fetal echocardiography is an effective tool for diagnosing PA/IVS. While PA/IVS can be diagnosed in early gestation, it remains diagnostical challenging. Given the progressive nature of PA/IVS in utero, sequential ultrasound examinations during the second and third trimesters are essential for monitoring disease progression and hemodynamic changes. Additionally, a comprehensive evaluation for associated intracardiac and extracardiac anomalies should be systematically conducted throughout the pregnancy.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"12"},"PeriodicalIF":1.9,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12013191/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143968290","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diagnostic value of lung ultrasound B-lines for evaluating left ventricular filling pressure.","authors":"Takahiro Sakamoto, Toshihiko Asanuma, Hiroyuki Sasaki, Hiroshi Kawahara, Kazuhiko Uchida, Akihiro Endo, Hiroyuki Yoshitomi, Kazuaki Tanabe","doi":"10.1186/s12947-025-00341-7","DOIUrl":"https://doi.org/10.1186/s12947-025-00341-7","url":null,"abstract":"<p><strong>Background: </strong>The assessment of left ventricular (LV) diastolic function based on the American Society of Echocardiography and the European Association of Cardiovascular Imaging (ASE/EACVI) guidelines requires measurement of several echocardiographic indices. However, these assessments often yield inconclusive results owing to the absence of measurable parameters. Multiple B-lines on lung ultrasound have been proposed as a method for evaluating pulmonary congestion. We aimed to evaluate the association between B-lines and LV diastolic function and to examine whether B-lines show potential as an alternative to conventional indices for assessing LV diastolic function.</p><p><strong>Methods: </strong>This prospective study included 172 patients with pre-heart failure (HF) or HF. We investigated (i) the relationship between B-lines and LV diastolic function using echocardiography, (ii) the diagnostic accuracy of B-lines compared to echocardiography indices for estimating LV filling pressures and (iii) the relationship between B-lines and risk of hospitalisation for HF.</p><p><strong>Results: </strong>Among patients for whom the ASE/EACVI guideline algorithm for LV diastolic dysfunction was available (n = 89), the number of B-lines typically increased with the severity of diastolic dysfunction grade. In patients who underwent left heart catheterisation (n = 20), the LV filling pressure was significantly correlated with B-lines (r = 0.690, P < 0.001). The diagnostic accuracy of B-lines for detecting high LV filling pressure was comparable to that of tricuspid regurgitation peak gradient (TRPG). When TRPG was replaced with B-lines to diagnose grade II or III diastolic dysfunction using the ASE/ESCVI algorithm, sensitivity remained comparable (0.80); however, specificity improved (0.80 vs. 0.50). In patients who underwent lung ultrasound while they were hemodynamically stable and were followed up for prognosis (median, 730 days; n = 75), 14 hospitalisations for HF were observed. Kaplan-Meier analysis revealed that the high B-line group had a significantly higher incidence of hospitalisation events for HF (P = 0.036, log-rank test).</p><p><strong>Conclusion: </strong>B-lines have shown potential as an alternative to conventional indices for assessing LV diastolic dysfunction.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"6"},"PeriodicalIF":1.9,"publicationDate":"2025-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11995549/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143974091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prediction of pulmonary artery sling in children using echocardiography: scoring based on pulmonary artery bifurcation and pulmonary valve ring distance.","authors":"Qiu-Chen Xu, Jian-Feng Liu, Min Xie, Zong-Jie Weng, Qiang Chen, Shan Guo","doi":"10.1186/s12947-025-00340-8","DOIUrl":"10.1186/s12947-025-00340-8","url":null,"abstract":"<p><strong>Objective: </strong>To analyze the echocardiography characteristics of pulmonary artery sling (PAS) and explore the diagnostic value of the distance between the bifurcation of the left and right pulmonary arteries and the pulmonary artery valve annulus (DBP) in diagnosing PAS in children.</p><p><strong>Methods: </strong>This retrospective study analyzed echocardiographic data from 27 children diagnosed with PAS at our hospital from March 2014 to December 2022. The data were compared with those from 77 normal children. The study examined statistical differences between the two groups in the diameters of the left and right pulmonary arteries, the main pulmonary artery valve annulus diameter, and the DBP, both uncorrected and corrected for body surface area (BSA). The diagnostic utility of these measurements for distinguishing children with PAS from those without was assessed using receiver operating characteristic (ROC) curves.</p><p><strong>Results: </strong>The DBP and the corrected DBP values were significantly higher in the PAS group than in the normal group, with areas under the ROC curve of 0.909 for DBP and 0.951 for DBP/BSA (P < 0.05). A DBP of 1.87 cm as the diagnostic threshold yielded a sensitivity of 98.9% and specificity of 84.4%. A DBP/BSA of 7.68 cm/m² had a sensitivity of 98.3% and specificity of 92.2%. The diagnostic odds ratios (OR) were 76.38% and 79.99%, respectively.</p><p><strong>Conclusion: </strong>The pivotal element in echocardiography diagnosis of PAS is the identification of the spatial relationship between the left pulmonary artery (LPA) and the trachea. The use of quantitative indices such as DBP and DBP/BSA for adjunctive diagnosis can positively impact the early detection of PAS.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"5"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11959991/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143751322","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of left atrio-ventricular coupling index and left atrial ejection fraction in predicting onset of atrial fibrillation and adverse cardiac events in hypertrophic cardiomyopathy.","authors":"Parisi Francesca, La Franca Eluisa, Pistelli Lorenzo, Gentile Giovanni, Bellavia Diego, Nuzzi Vincenzo, Manca Paolo, Massimiliano Mulè, Zito Concetta, Di Bella Gianluca, Scipione Carerj, Cipriani Manlio, Francesco F Faletra","doi":"10.1186/s12947-025-00343-5","DOIUrl":"10.1186/s12947-025-00343-5","url":null,"abstract":"<p><strong>Background: </strong>Several predictors of atrial fibrillation (AF) onset in patients with hypertrophic cardiomyopathy (HCM) have been proposed, however, all of them showed limited accuracy. This study aims to assess the role of new echographic parameters in predicting AF onset and major adverse cardiovascular outcomes (cardiovascular death or heart transplantation).</p><p><strong>Methods: </strong>Clinical and imaging data from 141 patients with HCM and without a history of AF were retrospectively analyzed over a 5-year period. Patients who developed AF during the study were compared to those who did not. The analysis focused on key atrial parameters, including the Left Atrial Contraction Index (LACI) and Left Atrial Ejection Fraction (LAEF). LACI was defined as the ratio of left atrial end-diastolic volume to left ventricular end-diastolic volume. Echocardiographic measurements were standardized using cardiac magnetic resonance (CMR) as the reference. Regarding statistical analysis, each significant continuous variable was categorized by identifying a cut-off value using the Youden index. Independent associations with outcomes and cumulative survival were assessed using Cox regression analysis.</p><p><strong>Results: </strong>Thirty-five patients developed AF, at a mean time of 4 years. The HCM-AF group had significantly higher values of LACI, left atrial diameter (LAD), and left atrial minimum volume (LAVmin). A LACI > 43% on echocardiography and LACI > 44% on CMR showed the best performance in identifying patients at risk for AF. In multivariate analysis, an echocardiographic LAEF < 43% was independently associated with the occurrence of AF (HR 2.9, 95% CI: 1.2-6.9). Additionally, a LAD > 40.5 mm was independently associated with AF onset, with a hazard ratio of 2.5 (95% CI 1.1-5.5). Eleven patients experienced the composite outcome of cardiovascular death or heart transplant, and a LACI > 60% was associated with this outcome.</p><p><strong>Conclusion: </strong>In patients with HCM, both LACI and LAEF were significantly associated with the occurrence of AF over a 4-year period, demonstrating higher sensitivity and specificity compared to other parameters. A LACI > 60% was also found to be associated with cardiovascular death or heart transplant in this population.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"10"},"PeriodicalIF":1.9,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11951586/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143742552","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diagnostic characteristics of multimodality imaging for left ventricular lipoma: new insights on surgical intervention.","authors":"Tianshu Liu, Lingyun Fang, Jiawei Shi, Lin He, Jing Zhang, Yuman Li, Mingxing Xie, Jing Wang","doi":"10.1186/s12947-025-00346-2","DOIUrl":"10.1186/s12947-025-00346-2","url":null,"abstract":"<p><strong>Background: </strong>The echocardiography is the first-line imaging modality in detecting the cardiac lipoma. Contrast-enhanced echocardiography improves its structural definition and characteristics of blood supply to exclude thrombus and malignant tumors.</p><p><strong>Case presentation: </strong>We introduced a case that large cardiac mass involving nearly the whole left ventricular cavity and papillary muscles without any complications. Multimodal imaging has confirmed lipoma before surgery. However, rather than recommending conservative treatment in accordance with guidelines, surgical intervention was performed to prevent future hemodynamic abnormalities.</p><p><strong>Conclusion: </strong>Combined with multimodal imaging, we showed a rare case on comprehensive evaluation of left ventricular silent lipoma and provided new clues for surgical strategy, which were different from guideline recommendations.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"11"},"PeriodicalIF":1.9,"publicationDate":"2025-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11951629/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143742550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Determinants of left atrial reservoir strain and diagnostic potential for cardiac amyloidosis in pathological left ventricular hypertrophy.","authors":"Katsuji Inoue, Yasuhisa Nakao, Makoto Saito, Masaki Kinoshita, Haruhiko Higashi, Osamu Yamaguchi","doi":"10.1186/s12947-025-00339-1","DOIUrl":"10.1186/s12947-025-00339-1","url":null,"abstract":"<p><strong>Background: </strong>Left ventricular (LV) long-axis shortening at the cardiac base is a determinant of left atrial (LA) reservoir function. Cardiac amyloidosis (CA) is characteristic of amyloid deposition predominantly in the LV basal wall. We investigated the relationship between LV basal strain and LA reservoir strain among patients with pathological LV hypertrophy and subsequently evaluated the diagnostic ability of LA reservoir strain to identify CA etiology and its predictive value for heart failure hospitalization.</p><p><strong>Methods: </strong>We retrospectively analyzed 341 patients with LV hypertrophy. Cardiac etiologies were diagnosed by tissue biopsy, cardiac magnetic resonance imaging or ^99mTc-PYP scintigraphy. LV basal strain and LA reservoir strain were analyzed.</p><p><strong>Results: </strong>Patients were diagnosed with CA (n = 75) and other etiologies (n = 266). LV basal strain was correlated with LA reservoir strain in the CA group (r = 0.58, p < 0.01) and the non-CA group (r = 0.44, p < 0.01). A binary logistic regression analysis showed that relative apical sparing of longitudinal strain, septal E/e' and LA reservoir strain had the ability to discriminate between the CA and non-CA groups (p < 0.01 for all). The area under the curve for relative apical sparing of longitudinal strain had a stronger ability than LA reservoir strain to discriminate CA from non-CA etiologies (0.90 versus 0.81, respectively; p < 0.01). During the follow-up period (median 2.7 years), the incidence of heart failure hospitalization was higher in the CA group than the non-CA group (35% versus 14%, respectively; p < 0.01). According to univariate Cox regression analysis, three LA factors (LA reservoir strain, E/e' and LA volume index) were associated with heart failure hospitalization in the non-CA group (p < 0.05 for all).</p><p><strong>Conclusions: </strong>LA reservoir strain was associated with LV basal strain among patients with pathological LV hypertrophy. Echocardiographic assessment of LA reservoir strain might add diagnostic value to identify CA etiology in these patients.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"4"},"PeriodicalIF":1.9,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11912716/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143647464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transthoracic echocardiographic assessment of ventricular function in functional single ventricle: a comprehensive review.","authors":"Mengqian Liao, Junxiang Pan, Tianhao Liao, Xuechen Liu, Lianyi Wang","doi":"10.1186/s12947-025-00345-3","DOIUrl":"10.1186/s12947-025-00345-3","url":null,"abstract":"<p><strong>Background: </strong>Functional single ventricle represents a complex congenital cardiac malformation where ventricular function directly impacts patients' quality of life and prognosis. Accurate assessment of ventricular function in FSV patients is crucial for treatment planning, surgical intervention, and monitoring therapeutic efficacy.</p><p><strong>Main text: </strong>Echocardiography, as a non-invasive, readily available, and real-time cardiac imaging modality, has emerged as the preferred method for evaluating functional single ventricle ventricular function. With continuous advancement and innovation in echocardiographic technology, methods for evaluating functional single ventricle ventricular function have become increasingly diverse and refined. This review synthesizes recent research developments in echocardiographic assessment of functional single ventricle ventricular function and analyzes the advantages, limitations, and future applications of various techniques.</p><p><strong>Conclusion: </strong>Strain and strain rate derived from two-dimensional speckle tracking imaging have progressively entered clinical application, demonstrating substantial potential as crucial parameters for evaluating single ventricular function. Emerging technologies, including three-dimensional speckle tracking imaging and non-invasive pressure-strain loops, show promise for contributing to multi-dimensional, integrated assessment as research continues to advance.</p>","PeriodicalId":9613,"journal":{"name":"Cardiovascular Ultrasound","volume":"23 1","pages":"9"},"PeriodicalIF":1.9,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11908059/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143633637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}