Linfeng Xie, Yuanzhu Li, Jing Chen, Suxin Luo, Bi Huang
{"title":"Blood Urea Nitrogen to Left Ventricular Ejection Ratio as a Predictor of Short-Term Outcome in Acute Myocardial Infarction Complicated by Cardiogenic Shock.","authors":"Linfeng Xie, Yuanzhu Li, Jing Chen, Suxin Luo, Bi Huang","doi":"10.1159/000541021","DOIUrl":"10.1159/000541021","url":null,"abstract":"<p><strong>Introduction: </strong>Cardiogenic shock (CS) is the most critical complication after acute myocardial infarction (AMI) with mortality above 50%. Both blood urea nitrogen and left ventricular ejection fraction were important prognostic indicators. We aimed to evaluate the prognostic value of admission blood urea nitrogen to left ventricular ejection fraction ratio (BUNLVEFr) in patients with AMI complicated by CS (AMI-CS).</p><p><strong>Methods: </strong>268 consecutive patients with AMI-CS were divided into two groups according to the admission BUNLVEFr cut-off value determined by Youden index. The primary endpoint was 30-day all-cause mortality and the secondary endpoint was the composite events of major adverse cardiovascular events (MACEs). Cox proportional hazard models were performed to analyze the association of BUNLVEFr with the outcome.</p><p><strong>Results: </strong>The optimal cut-off value of BUNLVEFr is 16.63. The 30-day all-cause mortality and MACEs in patients with BUNLVEFr≥16.63 was significantly higher than in patients with BUNLVEFr<16.63 (30-day all-cause mortality: 66.2% vs. 17.1%, p < 0.001; 30-day MACEs: 80.0% vs. 48.0%, p < 0.001). After multivariable adjustment, BUNLVEFr≥16.63 remained an independent predictor for higher risk of 30-day all-cause mortality (HR = 3.553, 95% CI: 2.125-5.941, p < 0.001) and MACEs (HR = 2.026, 95% CI: 1.456-2.820, p < 0.001). Subgroup analyses found that the effect of BUNLVEFr was consistent in different subgroups (all p-interaction>0.05).</p><p><strong>Conclusion: </strong>The admission BUNLVEFr provided important prognostic information for AMI-CS patients.</p>","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":"233-243"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307997","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":"[Silver Ion Decreases Foreign Body Reaction and Venous Neointimal Hyperplasia through the Inhibition of Interleukin-33 Expression].","authors":"Cong Zhang, Shunbo Wei, Liwei Zhang, Chunyang Lou, Jianbang Fang, Yuanfeng Liu, Hao He, Zhuo Li, Jing'an Li, Hualong Bai","doi":"10.1159/000536003","DOIUrl":"10.1159/000536003","url":null,"abstract":"<p><strong>Introduction: </strong>Vascular prosthetic grafts are widely used in vascular surgery; however, graft infection remains a major concern. Silver-coated vascular grafts have demonstrated anti-infection properties in clinical settings; however, whether the silver irons influence foreign body reaction or neointimal hyperplasia remains unclear.</p><p><strong>Methods: </strong>Sodium alginate and hyaluronic acid (SA/HA) hydrogel patches loaded with rhodamine, with or without silver, were fabricated. Patches were implanted in the subcutaneous or abdominal cavity and inferior vena cava of rats. Samples were harvested on day 14 and examined via immunohistochemical and immunofluorescence analyses.</p><p><strong>Results: </strong>Silver hydrogel was found to decrease the foreign body reaction; after subcutaneous and abdominal cavity implantation in rats, the capsule was found to be thinner in the silver hydrogel group than in the control hydrogel group. The silver hydrogel group had fewer CD68-positive cells and proliferating cell nuclear antigen and interleukin-33 (IL-33) dual-positive cells than the control hydrogel group. Additionally, the silver hydrogel patch reduced the neointimal thickness after patch venoplasty in rats, and the number of IL-33- and IL-1β-positive cells was lower than that in the control patch.</p><p><strong>Conclusion: </strong>Silver-loaded SA/HA hydrogel patches decreased the foreign body reaction and venous neointimal hyperplasia in rats by the inhibition of IL-33 expression.</p>","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":"89-98"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139900129","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}
Sophie J Y Huang, Xuan Wang, Brayden D Halvorson, Yuki Bao, Stephanie J Frisbee, Jefferson C Frisbee, Daniel Goldman
{"title":"Laser Doppler Fluximetry in Cutaneous Vasculature: Methods for Data Analyses.","authors":"Sophie J Y Huang, Xuan Wang, Brayden D Halvorson, Yuki Bao, Stephanie J Frisbee, Jefferson C Frisbee, Daniel Goldman","doi":"10.1159/000538718","DOIUrl":"10.1159/000538718","url":null,"abstract":"<p><strong>Introduction: </strong>Acquisition of a deeper understanding of microvascular function across physiological and pathological conditions can be complicated by poor accessibility of the vascular networks and the necessary sophistication or intrusiveness of the equipment needed to acquire meaningful data. Laser Doppler fluximetry (LDF) provides a mechanism wherein investigators can readily acquire large amounts of data with minor inconvenience for the subject. However, beyond fairly basic analyses of erythrocyte perfusion (fluximetry) data within the cutaneous microcirculation (i.e., perfusion at rest and following imposed challenges), a deeper understanding of microvascular perfusion requires a more sophisticated approach that can be challenging for many investigators.</p><p><strong>Methods: </strong>This manuscript provides investigators with clear guidance for data acquisition from human subjects for full analysis of fluximetry data, including levels of perfusion, single- and multiscale Lempel-Ziv complexity (LZC) and sample entropy (SampEn), and wavelet-based analyses for the major physiological components of the signal. Representative data and responses are presented from a recruited cohort of healthy volunteers, and computer codes for full data analysis (MATLAB) are provided to facilitate efforts by interested investigators.</p><p><strong>Conclusion: </strong>It is anticipated that these materials can reduce the challenge to investigators integrating these approaches into their research programs and facilitate translational research in cardiovascular science.</p>","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":"197-211"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140944358","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}
Min Jung Ku, Young Hee Maeng, Jee Won Chang, Jung-Kook Song, Young Ree Kim
{"title":"Stasis and Inflammation in Varicose Vein Development: An Interleukin-Mediated Process from Intima to Media.","authors":"Min Jung Ku, Young Hee Maeng, Jee Won Chang, Jung-Kook Song, Young Ree Kim","doi":"10.1159/000539861","DOIUrl":"10.1159/000539861","url":null,"abstract":"<p><strong>Introduction: </strong>This study investigated the combination of venous stasis and inflammation in varicose vein development.</p><p><strong>Methods: </strong>The study included patients with primary varicose veins operated using high ligation and stripping of greater saphenous vein. All of them showed reflux at sapheno-femoral junction on preoperative Doppler ultrasound. Mesenteric veins from early or advanced gastric cancer specimens were used as control group. Inflammatory mediators expressed in the venous wall were measured via immunohistochemistry and compared between the two groups.</p><p><strong>Results: </strong>Thirty-five (59.3%) men and 24 women with a mean age of 52.8 years (range, 23-77 years) were included and 29 (49.2%) patients had edema or skin changes according to Clinical-Etiology-Anatomy-Pathophysiology (CEAP) classification and reporting standards for chronic venous disorders. The expression of interleukin 6 (IL-6) and transforming growth factor β1 (TGF-β1) in intima and those of IL-6 in media of greater saphenous veins increased, with statistically significant differences between the two groups (p < 0.001). IL-6 in media and TGF-β1 levels in intima were independent predictors of varicose veins (adjusted odds ratios 74.62 and 66.69, respectively).</p><p><strong>Conclusion: </strong>Elevated venous pressure represented by reflux on Doppler ultrasound and increased expression of inflammatory cytokines including IL-6 in media and TGF-β1 in intima are associated with the development of varicose veins.</p>","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":"244-251"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141734487","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":"Pilot Assessment of Piezoelectric Transducers as a Cost-Effective Alternative to EndoPAT.","authors":"Olivia Ramraj, Smriti Badhwar, Tania J Pereira, Heather Edgell","doi":"10.1159/000540200","DOIUrl":"10.1159/000540200","url":null,"abstract":"<p><strong>Introduction: </strong>Current microvascular assessments may not be practical or accessible requiring experienced personnel and/or ongoing equipment costs. Piezoelectric transducers can reliably obtain finger blood pressure waves, similar to peripheral arterial tonometry devices; thus, they could be used to estimate microvascular function. We aimed to validate piezoelectric transducers as an alternative measure of microvascular function compared to EndoPAT.</p><p><strong>Methods: </strong>Twenty-five adults (aged 20-64 years) completed reactive hyperemia (5 min forearm circulatory occlusion and 3 min recovery) with piezoelectric transducers on the middle fingers and EndoPAT probes on the index fingers. Average area under the curve (AUC) of the pulse wave signal for the occluded and control arms was determined at baseline, every 30 s post-occlusion, and 10 s around the peak response. Microvascular function index (MFI) was calculated as the ratio of AUC post-occlusion to AUC baseline in the test arm, then normalized to the same ratio in the control arm. MFI at each time point was correlated with the reactive hyperemia index (RHI) from the EndoPAT.</p><p><strong>Results: </strong>The greatest significance was found between RHI and MFI at 10 s around the peak response (Spearman's r = 0.67, p = 0.0002; Pearson's r = 0.76, p = 0.00001).</p><p><strong>Conclusion: </strong>MFI is a reusable and user-friendly microvascular function assessment that could provide better access to vascular health screening.</p>","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":"252-259"},"PeriodicalIF":1.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141792734","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}
Mengmeng Liu, Di Song, Shaofu Hong, Yinghui Dong, Wenjing Gao, Yigang Du, Lei Zhu, Jinfeng Xu, F. Dong
{"title":"Characteristics and Correlations of Wall Shear Stress and Flow Turbulence in the Carotid Bifurcation Evaluated Using an Ultrasound Vector Flow Imaging","authors":"Mengmeng Liu, Di Song, Shaofu Hong, Yinghui Dong, Wenjing Gao, Yigang Du, Lei Zhu, Jinfeng Xu, F. Dong","doi":"10.1159/000534738","DOIUrl":"https://doi.org/10.1159/000534738","url":null,"abstract":"Introduction: The aim of the study was to evaluate characteristics and provide the normal values of wall shear stress (WSS) and flow turbulence (Tur), and the relationship between them in the carotid bifurcation based on an ultrasound vector flow imaging (V Flow) in healthy adults. Methods: Max and mean WSS and Tur values at three segments (initial segments of internal and external carotid arteries [IICA and IECA]; distal segment of common carotid artery [DCCA]), both in anterior and posterior walls, were successfully obtained in 56 healthy adults, using ultrasound V Flow function. Relationship between mean WSS and Tur was further explored. Results: The mean WSS value was 0.71 Pa, 0.86 Pa, and 0.96 Pa at IICA, IECA, and DCCA, respectively (IICA < IECA < DCCA, p < 0.05). The mean Tur value was 13.85%, 5.46%, and 4.17% at IICA, IECA, and DCCA, respectively (IICA > IECA > DCCA, p < 0.05). A cutoff value (WSS = 0.4 Pa) was selected and Tur values were significantly higher in group with WSS cutoff value <0.4 Pa than group with WSS cutoff value ≥0.4 Pa (p < 0.01). Conclusion: WSS and Tur are moderately negatively correlated, which can be used in the quantitative evaluation of carotid bifurcation and could be a potential dual-parameter tool in the clinical research for early detection of carotid atherosclerosis.","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":"33 13","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138594427","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":"Front & Back Matter","authors":"","doi":"10.1159/000530322","DOIUrl":"https://doi.org/10.1159/000530322","url":null,"abstract":"","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":""},"PeriodicalIF":1.7,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47519944","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}
Lei Ren, Rongjie Xu, Chenxi Zhao, Wenfei Li, Shu Wang, Chen Cao, Yan Gong, Jinxia Zhu, Xuequan Feng, Bo Ren, Shuang Xia
{"title":"Tortuosity and Proximal-Specific Hemodynamics Associated with Plaque Location in the Carotid Bulb Stenosis.","authors":"Lei Ren, Rongjie Xu, Chenxi Zhao, Wenfei Li, Shu Wang, Chen Cao, Yan Gong, Jinxia Zhu, Xuequan Feng, Bo Ren, Shuang Xia","doi":"10.1159/000531584","DOIUrl":"10.1159/000531584","url":null,"abstract":"<p><strong>Background: </strong>Atherosclerotic plaque locations in the carotid bulb increasingly have been found to be associated with patterns of ischemic lesions and plaque progression. However, the occurrence of carotid bulb plaque is a complex process. We aimed to investigate plaque characteristics and geometric and hemodynamic parameters among patients with body and apical plaques of the carotid bulb and to identify the mechanism of bulb plaque formation and location.</p><p><strong>Methods: </strong>Consecutive patients with single carotid bulb stenosis (50-99%) were enrolled retrospectively. Patients were divided into body and apical plaque groups based on plaque location. Plaque location and characteristics were identified and measured on high-resolution vessel wall magnetic resonance imaging. Geometric parameters were derived from time-of-flight magnetic resonance imaging. Computational fluid dynamics simulations were performed to quantify wall shear stress (WSS) and four associated WSS-based metrics on the plaque side, on the non-plaque side, and in different parts of the lesion. Plaque characteristics and geometric and hemodynamic parameters were compared, and their associations with the plaque location were determined.</p><p><strong>Results: </strong>Seventy patients were recruited (41 body plaques and 29 apical plaques). WSSplaque values were lower than WSSnon-plaque values for all plaques (median [interquartile range], 12.59 [9.83-22.14] vs. 17.27 [11.63-27.63] Pa, p = 0.001). In a multivariate binary logistic regression, the tortuosity of the stenosed region, the magnitudes of the mean relative residence time, and the minimum transverse WSS in the proximal part of the lesion were the key factors independently associated with plaque location (p = 0.022, 0.013, and 0.012, respectively).</p><p><strong>Conclusions: </strong>Plaque formation was associated with the local flow pattern, and the tortuosity and proximal-specific hemodynamics were significantly associated with plaque location in the carotid bulb.</p>","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":"160-171"},"PeriodicalIF":1.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9885636","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":"FNDC5 Attenuates Atherosclerotic Plaque Formation and Regulates PPARα/HO-1 in ApoE-/- Mice.","authors":"Bo Zhou, Xiang Wang, Yao Wang, Danan Liu","doi":"10.1159/000531585","DOIUrl":"10.1159/000531585","url":null,"abstract":"<p><strong>Introduction: </strong>This study attempted to observe the role of fibronectin type III domain-containing protein 5 (FNDC5) in atherosclerosis development and the underlying mechanism.</p><p><strong>Methods: </strong>After being fed a high-fat diet (HFD), ApoE-/- mice were injected with saline, control adenovirus (Ad-vector), or FNDC5 overexpressing adenovirus (Ad-FNDC5). ApoE-/- mice fed with a chow diet were considered the control. After 12 weeks of treatment, the levels of serum high-density lipoprotein cholesterol (HDL-C), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), triglyceride (TG), and irisin were detected by commercial kits.</p><p><strong>Results: </strong>Compared with the control, the serum TG, TC, and LDL-C levels, aortic plaque area, and weight were significantly increased, while serum HDL-C and irisin levels were reduced in HFD mice. Treating with Ad-FNDC5 could alleviate these changes in HFD mice and cause the activation of PPARα/HO-1 signaling in aortic tissue. After co-treating with GW6471, a PPARα antagonist, the effects of Ad-FNDC5 on the weight, serum LDL-C, TC, TG, and HDL-C levels, and aortic plaque of HFD mice were partly blocked.</p><p><strong>Conclusion: </strong>Elevated FNDC5 has a delaying effect on atherosclerotic plaque formation, which may be related to the upregulation of PPARα/HO-1 signaling.</p>","PeriodicalId":17530,"journal":{"name":"Journal of Vascular Research","volume":" ","pages":"172-182"},"PeriodicalIF":1.7,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10014057","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}