Journal of Medical Ultrasonics最新文献

{"title":"Microflow visualization and blood flow velocity measurement of carotid intraplaque neovessels using superb microvascular imaging and high frame rate ultrasound confirmed via contrast vector imaging.","authors":"Kozue Saito, Hideyuki Hasegawa, Kana Hamada, Masaaki Omura, Ryo Nagaoka, Toshiko Hirai, Kazuma Sugie","doi":"10.1007/s10396-025-01560-1","DOIUrl":"https://doi.org/10.1007/s10396-025-01560-1","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145087992","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sex differences in the dynamics of the distance between the talus and lateral malleolus during the stance phase of gait.","authors":"Noriaki Maeda, Satoshi Onoue, Yasunari Ikuta, Satoshi Arima, Honoka Ishihara, Ayano Ishida, Andreas Brand, Yuichi Nishikawa, Makoto Asaeda, Tomoyuki Nakasa, Nobuo Adachi, Tsubasa Tashiro","doi":"10.1007/s10396-025-01577-6","DOIUrl":"https://doi.org/10.1007/s10396-025-01577-6","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to assess the dynamics of the distance between the talus and lateral malleolus during the stance phase of gait and confirm any sex differences.</p><p><strong>Methods: </strong>The distance between the talus and lateral malleolus was quantified during gait in 25 healthy participants. Noninvasive ultrasound with three-dimensional motion analysis was used to assess the kinematic properties during the walking stance phase.</p><p><strong>Results: </strong>The distance between the talus and lateral malleolus widened immediately after initial contact, narrowed during mid-stance, and widened during the stance cycle in all participants. The distance was significantly wider in females, especially during the early and terminal stance phases, contributing to differences in sagittal mobility.</p><p><strong>Conclusions: </strong>Quantitative measurement of the anterior talofibular ligament attachment distance may aid in the early detection of ankle abnormalities. The dynamic characteristics observed in females during gait may be associated with chronic ankle instability or osteoarthritis risk.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145082312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The 'Half-Mountain View': a landmark-based long-axis ultrasound technique for lumbar nerve root block.","authors":"Hiroki Katayama, Kazuma Miyatake, Yutaka Inaba","doi":"10.1007/s10396-025-01574-9","DOIUrl":"https://doi.org/10.1007/s10396-025-01574-9","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145071029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Restricted morphological changes in infrapatellar fat pad during walking is revealed as a dynamics feature in symptomatic knee osteoarthritis.","authors":"Yosuke Ishii, Miharu Sugimoto, Akinori Nekomoto, Atsuo Nakamae, Kexin Zhu, Takato Hashizume, Kohei Matsumura, Yuko Nakashima, Makoto Takahashi, Nobuo Adachi","doi":"10.1007/s10396-025-01569-6","DOIUrl":"https://doi.org/10.1007/s10396-025-01569-6","url":null,"abstract":"<p><strong>Purpose: </strong>Knee osteoarthritis (OA) is symptomatic, especially in terms of motion during activities of daily living. The infrapatellar fat pad (IFP) has a buffering function, owing to morphological changes within the knee joint, whereas poor morphological change in the anterior space of the IFP is often observed in symptomatic knee OA. This study aimed to investigate the correlation between morphological changes in the anterior space of the IFP during walking and symptoms in patients with knee OA.</p><p><strong>Methods: </strong>Twenty-six patients with knee OA (OA group) and 11 healthy volunteers (control group) participated in this study. Ultrasonography revealed the IFP thickness in the anterior space during static and dynamic evaluations in the supine and walking positions. The waveform of the IFP during walking was constructed with a continuance value of the IFP in video mode. Moreover, it identified the difference in IFP between maximum and minimum values on the waveform as morphological change in IFP (ΔIFP). A three-dimensional motion analysis system was used to calculate the kinetics and kinematics of walking. The OA group underwent clinical evaluation using the Knee Injury and Osteoarthritis Outcome Score (KOOS).</p><p><strong>Results: </strong>ΔIFP in the OA group was smaller than that in the control group, whereas there was no significant difference in supine IFP thickness. Moreover, there was a significant positive correlation between ΔIFP and KOOS-pain in the knee OA group, but not in terms of other parameters of IFP, kinetics, and kinematics.</p><p><strong>Conclusions: </strong>Patients with symptomatic knee OA exhibit restricted morphological change in IFP during walking.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145042189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Accuracy of ultrasound-guided lumbar vertebral level identification: a comparative study with palpation in elderly patients with spinal deformities.","authors":"Naofumi Hashiguchi, Yasushi Fujiwara, Nanoha Sato, Akiko Matsumoto, Yasushi Murakami, Shinji Kotaka, Ryo Ota, Nobuo Adachi","doi":"10.1007/s10396-025-01576-7","DOIUrl":"https://doi.org/10.1007/s10396-025-01576-7","url":null,"abstract":"<p><strong>Purpose: </strong>Accurate identification of lumbar vertebral levels is crucial for the success of various interventional procedures, but conventional fluoroscopic guidance exposes both patients and physician to radiation. While ultrasound has emerged as a potential radiation-free alternative, its accuracy in elderly patients with spinal deformities remains unclear.</p><p><strong>Methods: </strong>In this single-center cross-sectional study, we compared ultrasound-guided versus palpation-guided lumbar level identification in 115 patients scheduled for lumbar surgery between July 2019 and January 2020. Patients were randomly assigned to ultrasound guidance (U group, n = 57) or conventional palpation (P group, n = 58). The primary outcome measure was accuracy of vertebral level identification, verified by intraoperative fluoroscopy.</p><p><strong>Results: </strong>The U group demonstrated significantly higher accuracy (82.5%) compared to the P group (50.0%) (p = 0.0003, 95% CI [1.5-4.4]). Accuracy was particularly high at the L4 level (U group: 90.3%, P group: 55.9%, p = 0.0023). After adjusting for age and planned needle insertion site, ultrasound guidance maintained superior accuracy (OR = 5.5, 95% CI: 2.3-14.0, p = 0.0002).</p><p><strong>Conclusions: </strong>Ultrasound guidance provides superior accuracy in lumbar level identification compared to conventional palpation, even in elderly patients with spinal deformities. This technique may offer a reliable, radiation-free alternative, potentially reducing radiation exposure while maintaining high accuracy.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145042193","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spontaneous dichorionic diamniotic twin pregnancy simultaneously implanted in a cesarean scar.","authors":"Keiko Aihoshi, Munekage Yamaguchi, Jun Sakata, Takeshi Motohara, Eiji Kondoh","doi":"10.1007/s10396-025-01570-z","DOIUrl":"https://doi.org/10.1007/s10396-025-01570-z","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145034572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Differences in muscle atrophy between the lower limbs and the accessory respiratory muscles in critically ill patients.","authors":"Ryuji Sugiya, Shinichi Arizono, Yuji Higashimoto, Masashi Shiraishi, Hiroki Mizusawa, Kazunari Sunagawa, Hironori Shigeoka, Yasushi Uchiyama, Jan Bakker, Koichiro Shinozaki","doi":"10.1007/s10396-025-01568-7","DOIUrl":"https://doi.org/10.1007/s10396-025-01568-7","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to investigate muscle atrophy in critically ill patients using ultrasonography. We compared the rectus femoris (a major muscle of the lower limbs) with the sternocleidomastoid (an accessory respiratory muscle).</p><p><strong>Methods: </strong>Thirty-four patients hospitalized at the Critical Care Medical Center of Kindai University Hospital between January 2022 and March 2023 were enrolled. Muscle dysfunction was measured based on the thickness and cross-sectional area of the rectus femoris and sternocleidomastoid using ultrasonography. These values were evaluated every alternate day for 13 days after admission or until discharge, whichever occurred first. Factors that correlated with percentage changes in sternocleidomastoid thickness were also analyzed.</p><p><strong>Results: </strong>The mean age of the patients was 67.3 ± 15.3 years, and 20 (59%) were men. Seven patients (21%) were admitted for trauma, and 27 (79%) for medical or other non-trauma-related emergency conditions. The rectus femoris thickness and cross-sectional area significantly decreased after day 7 (P < 0.05). There was no significant change in sternocleidomastoid thickness. However, it negatively correlated with the length of hospitalization and duration of mechanical ventilation use (r = - 0.38, P < 0.05; r = - 0.64, P < 0.05, respectively).</p><p><strong>Conclusion: </strong>Although rectus femoris thickness decreased significantly, changes in sternocleidomastoid thickness may be related to the use of mechanical ventilation.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145006777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mitral stenosis late after mitral valve repair.","authors":"Masaru Yoshikai, Satoshi Ohtsubo, Kiyokazu Koga, Akito Kuwano, Nobuhiko Koga","doi":"10.1007/s10396-025-01567-8","DOIUrl":"https://doi.org/10.1007/s10396-025-01567-8","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144976931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Application of four-section approach for prenatal diagnosis of Pierre robin sequence.","authors":"Xiuling Li, Lingyan Liu, Fang Yan, Xiang Yang, Guanghui Xiu, Xudong Dong","doi":"10.1007/s10396-025-01556-x","DOIUrl":"10.1007/s10396-025-01556-x","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate the effectiveness of the four-section approach using two-dimensional sonography in diagnosing Pierre Robin sequence (PRS) during second-trimester screening.</p><p><strong>Methods: </strong>A prospective study was conducted on low-risk pregnant women undergoing routine mid-trimester screening. Cases with suspected micrognathia prenatally were included and examined using the four-section approach. Initially, we measured the inferior facial angle (IFA) for fetuses suspected of having micrognathia. Subsequently, in the oblique coronal section via the oral fissure, we examined the continuity of the hard and soft palate line. Finally, dynamic scanning of both the sagittal and coronal sections of the mandible was performed to confirm whether the echogenic tongue was displaced posteriorly. All fetuses diagnosed with PRS were followed up through autopsy and postnatal evaluation.</p><p><strong>Results: </strong>Forty-three fetuses were initially subjectively suspected of having micrognathia by sonographers. After objective IFA measurement, 25 cases had an IFA < 50°, while 18 had an IFA > 50°. Among the 25 cases with IFA < 50°, we identified 13 cases of PRS with micrognathia, cleft palate (CP), and glossoptosis. However, one case failed to be diagnosed prenatally because it had micrognathia and CP but no glossoptosis. Eleven cases had neither CP nor glossoptosis yet exhibited other malformations. Among the 18 fetuses with IFA > 50°, 15 cases were normal, while three cases had other deformities. In this study cohort, no false-positive results were found. The four-section approach for diagnosing PRS showed a sensitivity of 92.9%, a specificity of 100%, a positive predictive value of 100%, and a negative predictive value of 91.7%.</p><p><strong>Conclusion: </strong>The four-section method proved highly effective in assessing PRS during second-trimester sonographic scans. The combined evaluation of micrognathia and glossoptosis can remarkably enhance the accuracy of prenatal PRS diagnosis.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144976919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Primary eyelid diffuse large B-Cell lymphoma: imaging characteristics.","authors":"Ting-Yi Wang, Xiao-Yi Wang, Yu-Ting Zhu, Pei Hu","doi":"10.1007/s10396-025-01562-z","DOIUrl":"https://doi.org/10.1007/s10396-025-01562-z","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":2.1,"publicationDate":"2025-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144976978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}