{"title":"Diverse distribution patterns of segmental longitudinal strain are associated with different clinical features and outcomes in dilated cardiomyopathy.","authors":"Kaoruko Sengoku, Tomohito Ohtani, Yasuharu Takeda, Toshinari Onishi, Fusako Sera, Misato Chimura, Shozo Konishi, Yasuhiro Ichibori, Masayoshi Yamamoto, Tomoko Ishizu, Yoshihiro Seo, Yasushi Sakata","doi":"10.1007/s12574-024-00646-y","DOIUrl":"10.1007/s12574-024-00646-y","url":null,"abstract":"<p><strong>Background: </strong>Dilated cardiomyopathy (DCM) presents with diverse clinical courses, hardly predictable solely by the left ventricular (LV) ejection fraction (EF). Longitudinal strain (LS) offers distinct information from LVEF and exhibits various distribution patterns. This study aimed to evaluate the clinical significance of LS distribution patterns in DCM.</p><p><strong>Methods: </strong>We studied 139 patients with DCM (LVEF ≤ 35%) who were admitted for heart failure (HF). LS distribution was assessed using a bull's eye map and the relative apical LS index (RapLSI), calculated by dividing apical LS by the sum of basal and mid-LS values. We evaluated the associations of LS distribution with cardiac events (cardiac death, LV assist device implantation, or HF hospitalization) and LV reverse remodeling (LVRR), as indicated by subsequent LVEF changes.</p><p><strong>Results: </strong>Twenty six (19%) and 29 (21%) patients exhibited a pattern of relatively apical impaired or preserved LS (defined by RapLSI < 0.25 or > 0.75, signifying a 50% decrease or increase in apical LS compared to other segments), and the remaining patients exhibited a scattered/homogeneously impaired LS pattern. The proportion of new-onset heart failure and LVEF differed between the three groups. During the median 595-day follow-up, patients with relatively-impaired apical LS had a higher rate of cardiac events (both log-rank p < 0.05) and a lower incidence of LVRR (both p < 0.01) compared to patients with other patterns. RapLSI was significantly associated with cardiac event rates after adjusting for age, sex, and new-onset HF or global LS.</p><p><strong>Conclusion: </strong>DCM patients with reduced EF and distinct distribution patterns of impaired LS experienced different outcomes.</p>","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":"193-201"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11561091/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140050636","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":"Giant progressive mitral vegetation in a case of infective endocarditis caused by Streptococcus agalactiae.","authors":"Gyo Susukida, Atsushi Sakamoto, Keisuke Iguchi, Mayu Fujihiro, Hayato Ohtani, Norihiko Shiiya, Yuichiro Maekawa","doi":"10.1007/s12574-023-00633-9","DOIUrl":"10.1007/s12574-023-00633-9","url":null,"abstract":"","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":"210-212"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139486486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Contrast echocardiography during exercise stress in a case of congenitally corrected transposition of the great arteries after double-switch operation.","authors":"Yui Omomo, Yasuhide Mochizuki, Daisuke Yokokawa, Ayaka Oda, Takanari Fujii, Hideshi Tomita, Toshiro Shinke","doi":"10.1007/s12574-023-00641-9","DOIUrl":"10.1007/s12574-023-00641-9","url":null,"abstract":"","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":"224-226"},"PeriodicalIF":1.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139565056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"\"Eclipsed mitral regurgitation\" incidentally detected during routine echocardiographic examination: a case of a 70-year-old woman.","authors":"Takakazu Kinugawa, Hiroki Matsuzoe, Nobuko Iwata, Hiroshi Takaishi","doi":"10.1007/s12574-024-00669-5","DOIUrl":"https://doi.org/10.1007/s12574-024-00669-5","url":null,"abstract":"","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142773346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Morgan Caplan, Victor Guidoni, Guillaume Thery, Laura Forelle, François Lesaffre
{"title":"Extrinsic left atrium compression due to intramural esophageal hematoma after TEE for catheter AF ablation mimicking tamponade.","authors":"Morgan Caplan, Victor Guidoni, Guillaume Thery, Laura Forelle, François Lesaffre","doi":"10.1007/s12574-024-00670-y","DOIUrl":"https://doi.org/10.1007/s12574-024-00670-y","url":null,"abstract":"","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":""},"PeriodicalIF":1.4,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142649259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mass-like lesion in the ascending aorta by side lobe and beam width artifacts.","authors":"Shuhei Aoki, Ryohei Ono, Hiroyuki Takaoka, Noriko Suzuki-Eguchi, Togo Iwahana, Yoshio Kobayashi","doi":"10.1007/s12574-023-00632-w","DOIUrl":"10.1007/s12574-023-00632-w","url":null,"abstract":"","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":"183-184"},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138832130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nobuichiro Yagi, Mana Ogawa, Ken Kuwajima, Hiroko Hasegawa, Takafumi Yamane, Takahiro Shiota
{"title":"Impact of stroke volume assessment by three-dimensional transesophageal echocardiography on the classification of low-gradient aortic stenosis.","authors":"Nobuichiro Yagi, Mana Ogawa, Ken Kuwajima, Hiroko Hasegawa, Takafumi Yamane, Takahiro Shiota","doi":"10.1007/s12574-023-00638-4","DOIUrl":"10.1007/s12574-023-00638-4","url":null,"abstract":"<p><strong>Background: </strong>Accurate assessment of flow status is crucial in low-gradient aortic stenosis (AS). However, the clinical implication of three-dimensional transesophageal echocardiography (3DTEE) on flow status evaluation remains unclear. This study aimed to investigate the assessment of flow status using 3D TEE in low-gradient AS patients.</p><p><strong>Methods: </strong>We retrospectively reviewed patients diagnosed with low-gradient AS and preserved ejection fraction at our institution between 2019 and 2022. Patients were categorized into low-flow/low-gradient (LF-LG) AS or normal-flow/low-gradient (NF-LG) AS based on two-dimensional transthoracic echocardiography (2DTTE). We compared the left ventricular outflow tract (LVOT) geometry between the two groups and reclassified them using stroke volume index (SVi) obtained by 3DTEE.</p><p><strong>Results: </strong>Among 173 patients (105 with LF-LG AS and 68 with NF-LG AS), 54 propensity-matched pairs of patients were analyzed. 3DTEE-derived ellipticity index of LVOT was significantly higher in LF-LG AS patients compared to NF-LG AS patients (p = 0.012). We assessed the discordance in flow status classification between SVi<sub>2DTTE</sub> and SVi<sub>3DTEE</sub> in both groups using a cutoff value of 35 ml/m<sup>2</sup>. The LF-LG AS group exhibited a significantly higher discordance rate compared to the NF-LG AS group, with rates of 50% and 2%, respectively. The optimal cutoff values of SVi<sub>3DTEE</sub> for identifying low flow status, based on 2DTTE-derived cutoff values, were determined to be 43 ml/m<sup>2</sup>.</p><p><strong>Conclusions: </strong>LVOT ellipticity in low-gradient AS patients varies depending on flow status, and this difference contributes to discrepancies between SVi<sub>3DTEE</sub> and SVi<sub>2DTTE</sub>, particularly in LF-LG AS patients. Utilizing SVi<sub>3DTEE</sub> is valuable for accurately assessing flow status.</p>","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":"152-161"},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139651878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yukina Hirata, Yuka Nomura, Yoshihito Saijo, Masataka Sata, Kenya Kusunose
{"title":"Reducing echocardiographic examination time through routine use of fully automated software: a comparative study of measurement and report creation time.","authors":"Yukina Hirata, Yuka Nomura, Yoshihito Saijo, Masataka Sata, Kenya Kusunose","doi":"10.1007/s12574-023-00636-6","DOIUrl":"10.1007/s12574-023-00636-6","url":null,"abstract":"<p><strong>Background: </strong>Manual interpretation of echocardiographic data is time-consuming and operator-dependent. With the advent of artificial intelligence (AI), there is a growing interest in its potential to streamline echocardiographic interpretation and reduce variability. This study aimed to compare the time taken for measurements by AI to that by human experts after converting the acquired dynamic images into DICOM data.</p><p><strong>Methods: </strong>Twenty-three consecutive patients were examined by a single operator, with varying image quality and different medical conditions. Echocardiographic parameters were independently evaluated by human expert using the manual method and the fully automated US2.ai software. The automated processes facilitated by the US2.ai software encompass real-time processing of 2D and Doppler data, measurement of clinically important variables (such as LV function and geometry), automated parameter assessment, and report generation with findings and comments aligned with guidelines. We assessed the duration required for echocardiographic measurements and report creation.</p><p><strong>Results: </strong>The AI significantly reduced the measurement time compared to the manual method (159 ± 66 vs. 325 ± 94 s, p < 0.01). In the report creation step, AI was also significantly faster compared to the manual method (71 ± 39 vs. 429 ± 128 s, p < 0.01). The incorporation of AI into echocardiographic analysis led to a 70% reduction in measurement and report creation time compared to manual methods. In cases with fair or poor image quality, AI required more corrections and extended measurement time than in cases of good image quality. Report creation time was longer in cases with increased report complexity due to human confirmation of AI-generated findings.</p><p><strong>Conclusions: </strong>This fully automated software has the potential to serve as an efficient tool for echocardiographic analysis, offering results that enhance clinical workflow by providing rapid, zero-click reports, thereby adding significant value.</p>","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":"162-170"},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11343801/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139681725","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}
Roman Komorovsky, Volodymyr Moroz, Sofia Masliy, Tamila Palamar, Tetiana Holovata, Iryna Dovha, Svitlana Smiyan
{"title":"Right atrial myxoma attached to the roof of the right atrium.","authors":"Roman Komorovsky, Volodymyr Moroz, Sofia Masliy, Tamila Palamar, Tetiana Holovata, Iryna Dovha, Svitlana Smiyan","doi":"10.1007/s12574-023-00628-6","DOIUrl":"10.1007/s12574-023-00628-6","url":null,"abstract":"","PeriodicalId":44837,"journal":{"name":"Journal of Echocardiography","volume":" ","pages":"177-178"},"PeriodicalIF":1.4,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41166680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}