Scandinavian Cardiovascular Journal最新文献

{"title":"Health-related quality of life is improved after coronary artery bypass graft surgery: a 1-year follow-up study.","authors":"Laura Hämäläinen, Mika Kohonen, Jari Laurikka","doi":"10.1080/14017431.2023.2284083","DOIUrl":"10.1080/14017431.2023.2284083","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this study was to detect changes in QoL after coronary artery bypass grafting surgeries (CABG) in one year, and to identify the possible predictive factors associated with the change.</p><p><strong>Design: </strong>A single-center prospective study of 501 patients was conducted between 2013 and 2018 using the EQ-5D VAS questionnaire for estimating the QoL. The patients filled in a questionnaire preoperatively, at 6 and at 12 months postoperatively. Univariate and multivariable logistic regression analyses were used to find out if certain pre-selected factors or EQ5D dimensions had independent effects on the observed EQ VAS scores.</p><p><strong>Results: </strong>QoL improved in all EQ-5D dimensions and in EQ VAS scores at 6 and at 12 months: the greatest changes in the number of reported problems were in the dimensions \"mobility\" (-34.2%, <i>p</i><.001), \"self-care\" (-36.7%, <i>p</i>=.001) and \"pain or discomfort\" (-31.0%, <i>p</i><.001). With the multivariable regression model, we could show that normal left ventricle ejection fraction (LVEF) and improvement in mobility and pain/discomfort dimensions were in association with improvement of EQ VAS score at 6 months. At 12 months this association was no longer detectable.</p><p><strong>Conclusions: </strong>CABG procedure can improve patient's QoL when judged with EQ5D dimensions and related overall self-rated health (VAS). This improvement was seen both at 6 and at 12 months postoperatively. Except for LVEF, the other patient-specific risk factors we examined did not seem to affect QoL in the long term.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138446080","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":"Segmental myocardial viability by echocardiography at rest.","authors":"Marlene Iversen Halvorsrød, Anders Thorstensen, Gabriel Kiss, Asbjørn Støylen","doi":"10.1080/14017431.2023.2181390","DOIUrl":"10.1080/14017431.2023.2181390","url":null,"abstract":"<p><strong>Background: </strong>Myocardial viability assessment adds value to the therapeutic decision-making of patients with ischemic heart disease. In this feasibility study, we investigated whether established echocardiographic measurements of post-systolic shortening (PSS), strain, strain rate and wall motion score (WMS) can discover viable myocardial segments. Our hypothesis is that non-viable myocardial segments are both akinetic and without PSS.</p><p><strong>Methods: </strong>The study population consisted of 26 examinations strictly selected by visible dysfunction. We assessed WMS, strain by speckle tracking and strain rate by tissue Doppler. The segments (16*26 = 416) were categorized into either normokinetic/hypokinetic or akinetic/dyskinetic and whether there was PSS. The reference method was the presence of scar with segmental percentage volume scar fraction >50%, detected by late gadolinium-enhanced cardiovascular magnetic resonance. Agreement with echocardiography was evaluated by Kappa coefficient.</p><p><strong>Results: </strong>WMS had Kappa coefficient 0.43 (sensitivity 99%, specificity 35%). Kappa coefficient of strain was 0.28 (sensitivity 98%, specificity 23%). By combining PSS in akinetic segments with WMS and strain, the Kappa coefficient was 0.06 and 0.08 respectively.</p><p><strong>Conclusion: </strong>Segmental viability was best shown by the presence of systolic function. Post-systolic shortening adds no value to the assessment of segmental myocardial viability.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47756954","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":"Evaluation of cerebrovascular events via retinal angiography during transcatheter aortic valve implantation.","authors":"Henna Qian, Jarkko Piuhola, Heidi Kiviniemi, Matti Niemelä, Nina Hautala, Juhani Junttila","doi":"10.1080/14017431.2023.2278279","DOIUrl":"10.1080/14017431.2023.2278279","url":null,"abstract":"<p><strong>Objectives: </strong>Patients receiving transcatheter aortic valve implantation (TAVI) are elderly with multiple comorbidities and at increased risk of perioperative cerebrovascular events. Retinal vasculature represents a surrogate of central nervous system circulation and is noninvasively achievable by retinal imaging. The aim of this study was to evaluate the applicability of retinal angiography of microvascular complications and association to cerebral ischemic events during TAVI.</p><p><strong>Design: </strong>One hundred patients (male 54%, age: median 82 years, range 64-95 years) undergoing TAVI were recruited for this study. Imaging of retinal vasculature was evaluated with a handheld fundus camera before, during and 1 month after. Cerebrovascular events were determined as a part of contemporary clinical evaluation with cerebral CT and CTA imaging when symptoms occurred.</p><p><strong>Results: </strong>Altogether 66/100 patients (66%) were included in the analysis. In-hospital ischemic event (transient ischemic attack, cerebral infarction) was observed in 1/66 patient (1.5%). Retinal vascular abnormalities occurred in 8/66 patients (12.1%); 4/66 patients (6.1%) were detected with a cholesterol plaque in the retinal artery, 2/66 (3%) a capillary leakage, 1/66 (1.5%) and optic disk hemorrhage and 1/66 (1.5%) a macular bleeding. No significant association between retinal vasculature abnormalities and cerebrovascular events was detected mainly due to the low event rate.</p><p><strong>Conclusions: </strong>Perioperative evaluation of cerebrovascular ischemia with noninvasive imaging of retinal vasculature is possible in most patients undergoing TAVI. More data is needed to evaluate the association of cerebrovascular events and retinal microvascular abnormalities during the procedure.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"92156329","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":"Fasting blood glucose predicts high risk of in-stent restenosis in patients undergoing primary percutaneous coronary intervention: a cohort study.","authors":"Ge-Cai Chen, Xu Huang, Zhong-Bao Ruan, Li Zhu, Mei-Xiang Wang, Yi Lu, Cheng-Chun Tang","doi":"10.1080/14017431.2023.2286885","DOIUrl":"10.1080/14017431.2023.2286885","url":null,"abstract":"<p><p><i>Objectives.</i> Studies have shown that fasting blood glucose (FBG) is closely associated with poor prognosis in patients with coronary heart disease (CHD) after percutaneous coronary intervention (PCI), but its association with in-stent restenosis (ISR) is still unclear. Therefore, this study was to explore the association between FBG with ISR in patients with CHD after PCI. <i>Design.</i> In this cohort study, we included 531 patients with CHD who underwent PCI. Logistic regression, receiver operating characteristic (ROC), subgroup analysis and restricted cubic spline (RCS) were used to assess the association between FBG with ISR. <i>Results.</i> A total of 124 (23.4%) patients had ISR. Patients with higher levels of FBG had higher incidence of ISR compared to those with lower levels of FBG (<i>p</i> = 0.002). In multivariable logistic regression analyses, higher levels of FBG remained strongly associated with higher risk of ISR (as a categorical variable, OR: 1.89, 95% CI: 1.21-2.94, <i>p</i> = 0.005; as a continuous variable, OR: 1.12, 95% CI: 1.03-1.23, <i>p</i> = 0.011). ROC analysis also showed that FBG might be associated with the occurrence of ISR (AUC = 0.577, 95% CI: 0.52-0.64, <i>p</i> = 0.013). Subgroup analyses showed the association of FBG with ISR was also stable in several subgroups (< 60 years or ≥ 60 years, male, with or without smoking, without diabetes and without hypertension). And RCS analysis showed that FBG was linearly and positively associated with the risk of ISR. <b><i>Conclusions.</i></b> Higher levels of FBG were closely associated with higher risk of ISR in patients with CHD after PCI.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138446079","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":"Influence of enhanced external counterpulsation on endothelial function: a meta-analysis of randomized controlled trials.","authors":"Qiulin Yin,&nbsp;Hua Jiang,&nbsp;Zhifeng Zhang,&nbsp;Long Zhang,&nbsp;Zhiyong Wu,&nbsp;Li Huang,&nbsp;Xuanlan Chen","doi":"10.1080/14017431.2023.2273223","DOIUrl":"10.1080/14017431.2023.2273223","url":null,"abstract":"<p><strong>Objectives: </strong>Enhanced external counterpulsation (EECP) is an effective and noninvasive treatment for patients with refractory angina and chronic heart failure. However, previous studies evaluating the influence of EECP on endothelial function showed inconsistent results. This systematic review and meta-analysis was conducted to evaluate the effects of EECP on endothelial function measured by brachial artery flow-mediated dilation (FMD).</p><p><strong>Design: </strong>PubMed, Embase, Cochrane Library, CNKI, and Wanfang databases were searched for randomized controlled trials comparing the influence of EECP versus usual care on FMD in adult population. A random-effects model incorporating the potential influence of heterogeneity was used to pool the results.</p><p><strong>Results: </strong>Nineteen studies with 1647 patients were included in the meta-analysis. Compared with usual care or conventional therapy, additional treatment with EECP for 3-7 weeks was associated with a significantly improved FMD (mean difference [<i>MD</i>]: 1.96%, 95% confidence interval [CI]: 1.57-2.36, <i>p</i> < 0.001, <i>I</i>² = 52%). Subgroup analysis showed consistent results in patients with coronary artery disease and in patients with other diseases (<i>p</i> for subgroup difference = 0.21). Results of meta-regression analysis showed that the mean baseline FMD level was positively correlated with the influence of EECP on FMD (coefficient = 0.42, <i>p</i> < 0.001). Results of subgroup analysis suggested that the increment of FMD following EECP was larger in patients with baseline FMD ≥ 5% (<i>MD</i>: 2.69, 95% CI: 2.27-3.10, <i>p</i> < 0.001; <i>I</i>² = 15%) compared to those with baseline FMD < 5% (<i>MD</i>: 1.49, 95% CI: 1.13-1.85, <i>p</i> < 0.001; <i>I</i>² = 0%; <i>p</i> for subgroup difference < 0.001).</p><p><strong>Conclusions: </strong>EECP may be effective in improving endothelial function measured by FMD.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"50158681","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":"Aiming toWards Evidence baSed inTerpretation of Cardiac biOmarkers in patients pResenting with chest pain using Point of Care Testing (WESTCOR-POC): study design.","authors":"Ingrid Viola Lavesson Thulin, Silje Marie Farestveit Jordalen, Ole Christian Lekven, Jeyaseelan Krishnapillai, Ole Thomas Steiro, Paul Collinson, Fred Apple, Louise Cullen, Tone M Norekvål, Torbjørn Wisløff, Kjell Vikenes, Torbjørn Omland, Rune O Bjørneklett, Kristin Moberg Aakre","doi":"10.1080/14017431.2023.2272585","DOIUrl":"10.1080/14017431.2023.2272585","url":null,"abstract":"<p><strong>Objectives: </strong>Patients presenting with symptoms suggestive of acute coronary syndrome (ACS) contribute to a high workload and overcrowding in the Emergency Department (ED). Accelerated diagnostic protocols for non-ST-elevation myocardial infarction have proved challenging to implement. One obstacle is the turnaround time for analyzing high-sensitivity cardiac troponin (hs-cTn). In the WESTCOR-POC study (Clinical Trials number NCT05354804) we aim to evaluate safety and efficiency of a 0/1 h hs-cTn algorithm utilizing a hs-cTnI point of care (POC) instrument in comparison to central laboratory hs-cTnT measurements.</p><p><strong>Design: </strong>This is a prospective single-center randomized clinical trial aiming to include 1500 patients admitted to the ED with symptoms suggestive of ACS. Patients will receive standard investigations following the European Society of Cardiology 0/1h protocols for centralized hs-cTnT measurements or the intervention using a 0/1h POC hs-cTnI algorithm. Primary end-points are 1) Safety; death, myocardial infarction or acute revascularization within 30 days 2) Efficiency; length of stay in the ED, 3) Cost- effectiveness; total episode cost, 4) Patient satisfaction, 5) Patient symptom burden and 6) Patients quality of life. Secondary outcomes are 12-months death, myocardial infarction or acute revascularization, percentage discharged after 3 and 6 h, total length of hospital stay and all costs related to hospital contact within 12 months.</p><p><strong>Conclusion: </strong>Results from this study may facilitate implementation of POC hs-cTn testing assays and accelerated diagnostic protocols in EDs, and may serve as a valuable resource for guiding future investigations for the use of POC high sensitivity troponin assays in outpatient clinics and prehospital settings.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71413776","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":"Clinical significance and prognostic value of ST segment depression on ECG during exercise treadmill test in asymptomatic patients with moderate or severe aortic stenosis.","authors":"Gard Mikael Saele Myrmel,&nbsp;Daanyaal Wasim,&nbsp;Ronak Rajani,&nbsp;Denise Parkin,&nbsp;John B Chambers,&nbsp;Sahrai Saeed","doi":"10.1080/14017431.2022.2095437","DOIUrl":"https://doi.org/10.1080/14017431.2022.2095437","url":null,"abstract":"<p><p><i>Objectives.</i> In patients with asymptomatic moderate or severe aortic stenosis (AS), exercise testing is used for evaluating the need for aortic valve intervention. Expert opinions about the clinical significance and prognostic value of ST segment depression on electrocardiography (ECG) during exercise testing in AS is conflicting and there are no large studies exploring this issue. We aimed to explore the association of ST segment depression >5 mm during exercise treadmill test (ETT) with all-cause mortality, aortic valve replacement (AVR) or cardiac-related hospitalization. <i>Design.</i> We performed a retrospective analysis of prospectively collected data of a total of 315 patients (mean age 65 ± 12 years, 67% men) with asymptomatic moderate (<i>n</i> = 209; 66%) or severe (<i>n</i> = 106; 34%) AS. All patients underwent clinical evaluation, echocardiography and ETT. <i>Results.</i> During a mean follow-up of 34.9 ± 34.6 months, 29 (9%) patients died and 235 (74%) underwent AVR. The prevalence of ST segment depression (>5 mm) was 13% (<i>n</i> = 41) in the total study population and was comparable in patients with revealed symptoms (17.6%, <i>n</i> = 16) versus without revealed symptoms (11.3%, <i>n</i> = 25; <i>p</i> = .132). ST segment depression on ETT was strongly associated with aortic valve area. In univariate Cox regression analysis, ST segment depression was not associated with cardiac related hospitalizations (HR 1.65; 95% CI 0.89-3.10, <i>p</i> = .113), all-cause mortality (HR 1.37; 95% CI 0.47-3.98, <i>p</i> = .564) or AVR (HR 1.30; 95% CI 0.89-1.91, <i>p</i> = .170). <i>Conclusion.</i> In patients with moderate or severe AS, ST segment depression during ETT is non-specific, carries no prognostic risk and should be used with caution in the clinical interpretation of exercise test.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40485383","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":"Impact of percutaneous coronary intervention on chronic total occlusion in the non-infarct-related artery in patients with STEMI: a systematic review and meta-analysis","authors":"Mengjin Hu, Xiaosong Li, Yuejin Yang","doi":"10.1080/14017431.2022.2085319","DOIUrl":"https://doi.org/10.1080/14017431.2022.2085319","url":null,"abstract":"Abstract Objectives We sought to compare the clinical outcomes between culprit-only percutaneous coronary intervention (PCI) versus multivessel PCI (MV-PCI) in patients with ST-segment elevation myocardial infarction (STEMI) accompanied by chronic total occlusion (CTO) in the non-infarct-related artery(non-IRA). Design Studies that compared culprit-only PCI versus MV-PCI in patients with STEMI accompanied by CTO in the non-IRA were included. Random odds ratio (OR) and 95% confidence interval (CI) were calculated. Results Eight studies with 2,259 patients were included. The results suggested that in patients with STEMI accompanied by CTO in the non-IRA, culprit-only PCI was associated with higher risks of all-cause mortality (OR: 2.89; 95% CI: 2.09–4.00; I 2 = 0.0%), cardiac death (OR: 3.12; 95% CI: 2.05–4.75; I 2 = 16.8%), stroke (OR: 2.80; 95% CI: 1.04–7.53; I 2 = 0.0%), major adverse cardiovascular event (MACE; OR: 2.06; 95% CI: 1.39–3.06; I 2 = 54.0%), and heart failure (OR: 1.99; 95% CI: 1.22–3.24; I 2 = 0.0%) compared with staged MV-PCI, which were mainly derived from retrospective studies. No differences were observed in myocardial infarction or revascularization. Pooled multivariable adjusted results consistently indicated that staged MV-PCI was superior to culprit-only PCI. Conclusions For patients with STEMI accompanied by CTO in the non-IRA, staged MV-PCI may be better compared with culprit-only PCI due to potential reduced risks of all-cause mortality, cardiac death, stroke, MACE, and heart failure. Meanwhile, further randomized trials are warranted to confirm or refute our findings.","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49204919","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":"Percutaneous balloon pericardiotomy: efficacy in a series of malignant and nonmalignant cases.","authors":"Holger H Sigusch,&nbsp;Wolff Geisler,&nbsp;Ralf Surber,&nbsp;Marc Schönweiß,&nbsp;Jens Gerth","doi":"10.1080/14017431.2022.2111463","DOIUrl":"https://doi.org/10.1080/14017431.2022.2111463","url":null,"abstract":"<p><strong>Objective: </strong>In the case of malignant pericardial effusion and cardiac tamponade, balloon pericardiotomy is an established minimally invasive option to the surgical creation of a subxiphoid pericardial window. Percutaneous balloon pericardiotomy effectively drains recurrent pericardial fluid by creating a pleuro (-abdominal-) pericardial communication. <i>Design.</i> A series of 26 patients with underlying malignant (<i>n</i> = 12) and nonmalignant (<i>n</i> = 14) diseases underwent percutaneous balloon pericardiotomy between 2008 and 2021. All interventions were done through a subxiphoid access under local anesthesia. <i>Results.</i> The mean survival in the malignant and nonmalignant groups was 1.2 versus 48.0 months, respectively (<i>p</i> < .001). There were neither severe periinterventional complications nor in-hospital deaths. In two patients with nonmalignant disease the surgical creation of a pericardial window was necessary during follow-up. The originally described procedure was modified by the removal of all catheters at the end of the intervention. The procedure was safe. It prevented immobility and facilitated an early discharge from the hospital. <i>Conclusion.</i> Our experiences show that percutaneous balloon pericardiotomy is a minimally invasive approach to successfully provide palliation in the group of patients with underlying malignant disease. On the other hand, we have shown that this technique is safe and feasible in the treatment of pericardial effusion based on nonmalignant disease. We think thereby that pericardial balloon pericardiotomy can be considered as a less invasive alternative to surgery in both groups of patients.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40425896","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":"Anatomy-based characteristics of far-field SVC electrograms in right superior pulmonary veins after isolation.","authors":"Wentao Gu,&nbsp;Weizhuo Liu,&nbsp;Jian Li,&nbsp;Jun Shen,&nbsp;Jiawei Pan,&nbsp;Bangwei Wu,&nbsp;Haiming Shi,&nbsp;Xinping Luo,&nbsp;Nanqing Xiong","doi":"10.1080/14017431.2022.2095015","DOIUrl":"https://doi.org/10.1080/14017431.2022.2095015","url":null,"abstract":"<p><p><i>Background</i>. Far-field electrograms from superior vena cava (SVC) can be present in right superior pulmonary vein (RSPV) after pulmonary vein (PV) isolation. <i>Objectives</i>. To analyze the characteristics of far-field SVC potentials in RSPV after PV isolation and the local anatomy difference between patients with and without the potentials. <i>Methods</i>. Patients undergoing PV isolation were retrospectively reviewed, contrast-enhanced computed tomography (CT) was performed before procedure for observing the anatomical relationship between RSPV and SVC. The prevalence and characteristics of far-field SVC electrograms were described and compared to far-field left atrial potentials at the nearest point along the linear ablation lesion. The anatomical proximity of RSPV and SVC on a 2-dimensional horizontal CT view was compared between patients with and without far-field SVC potentials. <i>Results</i>. Far-field SVC electrograms were observed in 35/92(38%) patients with an amplitude of 0.24 ± 0.11 mV and a major deflection slope of 0.051 ± 0.036 mV, both significantly higher than far-field left atrial electrograms (<i>p</i> < .001). In patients with far-field SVC electrograms, 83% had connected RSPV-SVC, defined as distance between RSPV and SVC endocardium less than 3 mm at the layer of RSPV ostium roof, while in patients without far-field SVC electrograms, 70% had disconnected RSPV-SVC. <i>Conclusions</i>. Far-field SVC electrograms appeared in RSPV had a prevalence higher than previously reported and a sharper major deflection compared to far-field left atrial electrograms. Connected RSPV-SVC on CT was associated with the presence of far-field SVC electrograms.</p>","PeriodicalId":21383,"journal":{"name":"Scandinavian Cardiovascular Journal","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40587882","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}