{"title":"Ischemia-Guided Management Using Cardiac SPECT: Reconciling Real-World Evidence in a Post-ISCHEMIA Trial World.","authors":"Todd C Villines, David J Hur","doi":"10.1161/CIRCIMAGING.124.017377","DOIUrl":"10.1161/CIRCIMAGING.124.017377","url":null,"abstract":"","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e017377"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11408079/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142153263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Letter by Han et al Regarding Article, \"Stress-Induced Autonomic Dysfunction is Associated With Mental Stress-Induced Myocardial Ischemia in Patients With Coronary Artery Disease\".","authors":"Yaohui Han, Fang Dong, Bing Wang","doi":"10.1161/CIRCIMAGING.124.017262","DOIUrl":"10.1161/CIRCIMAGING.124.017262","url":null,"abstract":"","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e017262"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142035429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Multimodality Imaging in Accurate Diagnosis of a Rare Case of Coronary Arteriovenous Fistula.","authors":"Hanyu Deng, Lin Sun, Yihua He, Yan Xu","doi":"10.1161/CIRCIMAGING.123.016402","DOIUrl":"10.1161/CIRCIMAGING.123.016402","url":null,"abstract":"","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e016402"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142104866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Value of Ischemia in Prognosis and Guiding Revascularization Among Patients With Chronic Coronary Artery Disease.","authors":"Antti Saraste, Juhani Knuuti","doi":"10.1161/CIRCIMAGING.124.017378","DOIUrl":"10.1161/CIRCIMAGING.124.017378","url":null,"abstract":"","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e017378"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142153265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuehong Liu, Bin Cao, Jiali Zhong, Ruchen Peng, Dong Zhao, Qi Yang
{"title":"Mismatch Between Native and Ferumoxytol-Enhanced CMR Imaging Findings in A Patient With Chronic Myocardial Infarction: Novel Insights Into Perfusion Defects.","authors":"Yuehong Liu, Bin Cao, Jiali Zhong, Ruchen Peng, Dong Zhao, Qi Yang","doi":"10.1161/CIRCIMAGING.124.016679","DOIUrl":"10.1161/CIRCIMAGING.124.016679","url":null,"abstract":"","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e016679"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142104865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Milind Y Desai, Yuichiro Okushi, Andrew Gaballa, Qiuqing Wang, Jeffrey B Geske, Anjali T Owens, Sara Saberi, Andrew Wang, Paul C Cremer, Mark Sherrid, Neal K Lakdawala, Albree Tower-Rader, David Fermin, Srihari S Naidu, Kathy L Lampl, Amy J Sehnert, Steven E Nissen, Zoran B Popovic
{"title":"Serial Changes in Ventricular Strain in Symptomatic Obstructive Hypertrophic Cardiomyopathy Treated With Mavacamten: Insights From the VALOR-HCM Trial.","authors":"Milind Y Desai, Yuichiro Okushi, Andrew Gaballa, Qiuqing Wang, Jeffrey B Geske, Anjali T Owens, Sara Saberi, Andrew Wang, Paul C Cremer, Mark Sherrid, Neal K Lakdawala, Albree Tower-Rader, David Fermin, Srihari S Naidu, Kathy L Lampl, Amy J Sehnert, Steven E Nissen, Zoran B Popovic","doi":"10.1161/CIRCIMAGING.124.017185","DOIUrl":"10.1161/CIRCIMAGING.124.017185","url":null,"abstract":"<p><strong>Background: </strong>In severely symptomatic patients with obstructive hypertrophic cardiomyopathy, VALOR-HCM (A Study to Evaluate Mavacamten in Adults With Symptomatic Obstructive Hypertrophic Cardiomyopathy Who Are Eligible for Septal Reduction Therapy) demonstrated that mavacamten reduces the need for septal reduction therapy with sustained improvement in left ventricular (LV) outflow tract gradients and symptoms. Global longitudinal strain (GLS), a measure of regional myocardial function, is a more sensitive marker of systolic function. In VALOR-HCM, we assessed serial changes in LV and right ventricular (RV) strain.</p><p><strong>Methods: </strong>VALOR-HCM included 112 patients with symptomatic obstructive hypertrophic cardiomyopathy (mean, 60 years; 51% male; LV ejection fraction, 68%). Patients assigned to mavacamten at baseline continued the drug for 56 weeks (n=56) and those assigned to placebo (n=52) transitioned to mavacamten from weeks 16 to 56 (40-week exposure). LV-GLS and RV-GLS assessment was performed using a vendor-neutral software. Non-foreshortened apical (4-, 3-, and 2-chamber) views were used to obtain peak LV-GLS. RV focused 4-chamber view was used to calculate RV 4-chamber and free wall strain. A more negative strain value is favorable.</p><p><strong>Results: </strong>At baseline, the mean LV-GLS, RV 4-chamber, and free wall strain values were -14.7%, -22.2%, and -16.8%, respectively (all worse than reported normal means). In the total study sample, LV-GLS significantly improved from baseline to week 56 (<i>P</i>=0.02). Twelve patients had transient reduction in LV ejection fraction (<50%) requiring temporary drug interruption (including 3 permanent discontinuations). The LV-GLS in this subgroup was worse at baseline versus total study population (-11.4%), with no significant worsening from baseline through week 56 (<i>P</i>=0.64). Both free wall and 4-chamber RV-GLS remained unchanged from baseline to week 56 (<i>P</i>=0.62 and <i>P</i>=0.56, respectively).</p><p><strong>Conclusions: </strong>In VALOR-HCM, treatment with mavacamten improved LV-GLS from baseline through week 56 (with no significant worsening of LV-GLS in patients with a reduction in LV ejection fraction ≤50%), suggesting a favorable long-term impact on regional LV systolic function. Additionally, there was no detrimental impact on RV systolic function.</p><p><strong>Registration: </strong>URL: https://www.clinicaltrials.gov; Unique identifier: NCT04349072.</p>","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e017185"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11410149/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142104867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Usman Alam, Dan G Halpern, Robert M Donnino, Larry A Chinitz, Adam J Small
{"title":"Giant Coronary Artery Aneurysm Causing Ventricular Tachycardia and Right Ventricular Outflow Tract Obstruction.","authors":"Usman Alam, Dan G Halpern, Robert M Donnino, Larry A Chinitz, Adam J Small","doi":"10.1161/CIRCIMAGING.124.016728","DOIUrl":"10.1161/CIRCIMAGING.124.016728","url":null,"abstract":"","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e016728"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141260673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Krishna K Patel, Poghni A Peri-Okonny, Assuero Giorgetti, Leslee J Shaw, Alessia Gimelli
{"title":"Value of Ischemia and Coronary Anatomy in Prognosis and Guiding Revascularization Among Patients With Stable Ischemic Heart Disease.","authors":"Krishna K Patel, Poghni A Peri-Okonny, Assuero Giorgetti, Leslee J Shaw, Alessia Gimelli","doi":"10.1161/CIRCIMAGING.123.016587","DOIUrl":"10.1161/CIRCIMAGING.123.016587","url":null,"abstract":"<p><strong>Background: </strong>The value of physiological ischemia versus anatomic severity of disease for prognosis and management of patients with stable coronary artery disease (CAD) is widely debated.</p><p><strong>Methods: </strong>A total of 1764 patients who had rest-stress cadmium-zinc-telluride single-photon emission computed tomography myocardial perfusion imaging and angiography (invasive or computed tomography) were prospectively enrolled and followed for cardiac death/nonfatal myocardial infarction. The CAD prognostic index (CADPI) was used to quantify the extent and severity of angiographic disease. Prognostic value was assessed using Cox models, adjusted for pretest risk, known CAD, stressor, left ventricular ejection fraction, %ischemia and infarct, CADPI, and early (90-day) revascularization. Incremental prognostic value was evaluated using net reclassification index.</p><p><strong>Results: </strong>The mean age was 69.7±9.5 years, 24.4% were women, and 29.3% had known CAD. Significant ischemia (>10%) was present in 28.4%. Nonobstructive, single, and multivessel disease was present in 256 (14.5%), 772 (43.8%), and 736 (41.7%), respectively. Early revascularization occurred in 579 (32.8%). Cardiac death/myocardial infarction occurred in 148 (8.4%) over a 4.6-year median follow-up. Both %ischemia and CADPI provided independent and incremental prognostic value over pretest clinical risk (<i>P</i><0.001). In a model containing both ischemia and anatomy, ischemia was prognostic (hazard ratio per 5% ↑, 1.35 [95% CI, 1.11-1.63]; <i>P</i>=0.002) but CADPI was not (hazard ratio per 10-unit ↑, 1.09 [95% CI, 0.99-1.20]; <i>P</i>=0.07). Early revascularization modified the risk associated with %ischemia (interaction <i>P</i>=0.003) but not with CADPI (interaction <i>P</i>=0.6). %Ischemia and single-photon emission computed tomography variables added incremental prognostic value over clinical risk and CADPI (net reclassification index, 20.3% [95% CI, 9%-32%]; <i>P</i><0.05); however, CADPI was not incrementally prognostic beyond pretest risk, %ischemia, and single-photon emission computed tomography variables (net reclassification index, 3.1% [95% CI, -5% to 15%]; <i>P</i>=0.21).</p><p><strong>Conclusions: </strong>Ischemic burden provides independent and incremental prognostic value beyond CAD anatomy and identifies patients who benefit from early revascularization. The anatomic extent of disease has independent prognostic value over clinical risk factors but offers limited incremental benefit for prognosis and guiding revascularization beyond physiological severity (ischemia).</p>","PeriodicalId":10202,"journal":{"name":"Circulation: Cardiovascular Imaging","volume":" ","pages":"e016587"},"PeriodicalIF":6.5,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11439561/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142153264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}