Case Reports in Cardiology最新文献

{"title":"Unmasking a Hidden Bridge: Exercise-Induced Right Bundle Branch Block Without Ischemia.","authors":"Ana Karen Nieto-Dolores, Hugo Armando Valencia-Hernandez, Alfonso Gonzalez-Trejo, Nilda Espinola-Zavaleta, Enrique C Guerra, Maria Jose Santa-Ana-Bayona, Pavel Martinez-Dominguez, Gilberto H Gutierrez-Acosta, Camila Ponce-Acosta","doi":"10.1155/cric/2330053","DOIUrl":"10.1155/cric/2330053","url":null,"abstract":"<p><strong>Background: </strong>Myocardial bridging (MB) is usually benign but may occasionally be associated with ischemia or arrhythmias. Exercise induced conduction abnormalities are rare and poorly understood.</p><p><strong>Case summary: </strong>A 69-year-old asymptomatic male developed transient right bundle branch block (RBBB) at peak exertion during treadmill stress testing, without angina, ischemic ECG changes, or hemodynamic instability. The RBBB resolved immediately during recovery. Coronary computed tomography angiography identified a superficial myocardial bridge of the mid-left anterior descending artery without luminal narrowing or atherosclerosis.</p><p><strong>Discussion: </strong>The findings supported a benign, rate dependent conduction delay rather than ischemia.</p><p><strong>Conclusion: </strong>This case illustrates a rare coexistence of MB with exercise-induced RBBB and highlights the importance of recognizing nonischemic conduction phenomena to avoid unnecessary invasive studies.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"2330053"},"PeriodicalIF":0.5,"publicationDate":"2026-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13451617/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148698291","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":"The Dyspnea Dilemma: Immune Checkpoint Inhibitor-Associated Myocarditis Mimicking Overlapping Cardiac Pathologies-A Case Report.","authors":"Nismat Javed, Vikram Itare, Shoaib Ashraf, Sai Vishnu Vardhan Allu, Preeti Jadhav","doi":"10.1155/cric/9654777","DOIUrl":"10.1155/cric/9654777","url":null,"abstract":"<p><strong>Background: </strong>Immune checkpoint inhibitors (ICIs) such as durvalumab improve survival in solid tumors but can rarely cause fulminant myocarditis (reported in 1% of cases, with 25%-40% mortality). Clinical overlap with coronary artery disease (CAD), chemotherapy-related cardiomyopathy, or malignancy-associated complications makes diagnosis challenging.</p><p><strong>Case presentation: </strong>A 62-year-old woman with gallbladder adenocarcinoma on gemcitabine, cisplatin, and durvalumab presented with 1 week of progressive dyspnea, leg edema, and chest pain. She had a history of portal vein thrombosis on apixaban. On exam, she was tachycardic and hypoxic with signs of volume overload. Labs showed elevated BNP and troponin. EKG revealed lateral T-wave inversions and chest x-ray demonstrated pulmonary edema. Echocardiography showed a large fibrinous pericardial effusion without tamponade and reduced LVEF (41%) with apical wall motion abnormalities. Differentials included ischemia, chemotherapy toxicity, ICI myocarditis, or malignant/hemorrhagic effusion. After a multidisciplinary discussion, anticoagulation was held, and the patient was transfused. Serial echocardiography showed a stable effusion but persistent ST-T changes. Coronary angiography excluded obstructive CAD. Cardiac MRI demonstrated diffuse myocardial edema, most pronounced in apical segments, consistent with myocarditis. Given the temporal relationship to ICI therapy, durvalumab-associated myocarditis was diagnosed. High-dose corticosteroids were initiated with symptomatic improvement. She was discharged on gemcitabine-cisplatin, with durvalumab omitted. Anticoagulation was resumed. Discharge echocardiography showed persistent apical wall motion abnormalities with a small effusion.</p><p><strong>Conclusion: </strong>This case highlights the diagnostic complexity of dyspnea in oncology patients, where multiple cardiac pathologies may coexist. A systematic, multidisciplinary approach-progressing from pericardial evaluation to ischemic work-up to advanced imaging-was crucial for diagnosis. Clinicians should maintain suspicion for ICI myocarditis when new heart failure or wall motion abnormalities occur without obstructive CAD, as early immunosuppressive therapy is critical.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"9654777"},"PeriodicalIF":0.5,"publicationDate":"2026-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13444721/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148686592","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":"Exercise Stress Echocardiography-Guided Balloon Pulmonary Valvuloplasty for Pulmonary Valve Stenosis With a Moderate Pressure Gradient and Exercise Intolerance: A Case Report.","authors":"Soichi Komaki, Yoshihiko Kodama, Kohei Kurogi, Kinuko Yamamoto, Takeshi Ideguchi, Yunosuke Matsuura, Hiroshi Moritake, Koichi Kaikita","doi":"10.1155/cric/8011634","DOIUrl":"10.1155/cric/8011634","url":null,"abstract":"<p><p>Current guidelines recommend balloon pulmonary valvuloplasty (BPV) for symptomatic adults with moderate or severe pulmonary valve stenosis (PVS) when the valve anatomy is suitable. However, when the resting gradient is near the lower boundary of the moderate range, establishing whether exercise intolerance is attributable to PVS can be challenging. We describe the case of a 52-year-old woman with longstanding PVS who developed progressive exercise intolerance. Resting echocardiography revealed a peak gradient of 38 mmHg, which remained stable during follow-up. Exercise stress echocardiography (ESE) demonstrated a blunted stroke volume response, whereas cardiopulmonary exercise testing (CPET) showed reduced peak VO₂. Based on these objective findings, BPV was performed for symptomatic moderate PVS. Following successful intervention, both the stroke volume response and peak VO₂ improved markedly. This case highlights that exercise-based diagnostic modalities, particularly ESE in conjunction with CPET, can help guide treatment decisions in symptomatic moderate PVS.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"8011634"},"PeriodicalIF":0.5,"publicationDate":"2026-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13430284/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148671292","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":"Transcatheter Mitral Valve Replacement in Failed Mitral Bioprosthesis: Case Report.","authors":"Veselin Valkov, Nikolay Dragnev, Josef Bis, Nikolay Kalvachev","doi":"10.1155/cric/2277200","DOIUrl":"10.1155/cric/2277200","url":null,"abstract":"<p><p>Transcatheter valve-in-valve mitral valve replacement (ViV TMVR) is an established therapeutic alternative for selected patients with symptomatic degeneration of a surgical mitral bioprosthesis and high or prohibitive surgical risk. We present a 75-year-old woman with a failed Pericarbon More 29-mm mitral bioprosthesis and severe prosthetic mitral stenosis, which was resolved with transseptal transcatheter ViV TMVR. Baseline echocardiography showed mitral valve area 0.45 cm² by pressure half-time, mean transmitral gradient 13 mmHg, preserved left ventricular systolic function, estimated systolic pulmonary artery pressure of 55 mmHg, and severe tricuspid regurgitation. ECG-gated computed tomography was performed for proper procedural planning. During the procedure, after dilation of the interatrial septum, an abrupt left-to-right shunt caused hemodynamic compromise. Rapid rescue balloon dilation of the stenotic mitral bioprosthesis and subsequent implantation of a 26-mm SAPIEN 3 valve restored forward transmitral flow, reduced the interatrial shunt to a minimum, and avoided septal occluder implantation. Postprocedural echocardiography showed a mean transmitral gradient of 3.5 mmHg, no intraprosthetic or paravalvular regurgitation, no LVOT obstruction, and a minimal, hemodynamically insignificant residual shunt. At 6-month, 12-month, and 2-year follow-ups, the patient remained asymptomatic with stable prosthetic valve function, although the estimated pulmonary artery pressure remained mildly to moderately elevated and tricuspid regurgitation persisted at a moderate degree. Beyond demonstrating the feasibility of valve-in-valve TMVR, this case highlights that septal dilation in severe prosthetic mitral stenosis can precipitate abrupt hemodynamic deterioration by creating a clinically significant left-to-right interatrial shunt before relief of the mitral obstruction.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"2277200"},"PeriodicalIF":0.5,"publicationDate":"2026-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13430051/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148671243","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":"Contained Rupture of a Saphenous Vein Graft Pseudoaneurysm Following Coronary Artery Bypass Grafting.","authors":"Harry Ramcharran, Mahbub Jamil, Joseph Petro, Zhandong Zhou","doi":"10.1155/cric/3203648","DOIUrl":"10.1155/cric/3203648","url":null,"abstract":"<p><p>Saphenous vein graft (SVG) pseudoaneurysms are a rare cause of late graft failure with potentially lethal consequences if left untreated. We present the case of a patient who underwent multivessel coronary artery bypass grafting more than 10 years earlier and presented with chest pain. She was found to have a large 10 cm pseudoaneurysm involving the SVG-to-PDA graft. Workup demonstrated compression of the right ventricle by the pseudoaneurysm, a reduced ejection fraction of 27%, and filling of the pseudoaneurysm from the right coronary system without distal graft filling. Given the patient's symptoms, imaging findings, and pseudoaneurysm size, urgent resection and revascularization were performed. Postoperatively, ventricular function improved, and despite a complicated hospital course, the patient was discharged to rehabilitation with intact motor function and subsequent resolution of cardiopulmonary symptoms.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"3203648"},"PeriodicalIF":0.5,"publicationDate":"2026-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13424452/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148654975","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":"A Prolonged Ventricular Standstill Episode During a Total Hip Replacement-A Case Report.","authors":"Katelyn Eisendrath, Michael Carter, Dakota Robertson","doi":"10.1155/cric/5161799","DOIUrl":"10.1155/cric/5161799","url":null,"abstract":"<p><strong>Background: </strong>Ventricular standstill, defined as the complete cessation of ventricular contraction, is a rare and sometimes fatal phenomenon. Few cases have noted patients to be hemodynamically stable and asymptomatic during the event, and no cases have identified ventricular standstill to occur during surgery.</p><p><strong>Case summary: </strong>A 63-year-old male presented after an elective right total hip replacement, with telemetry revealing a 20-s absence of ventricular contractility during surgery. This is consistent with ventricular standstill. The patient was asymptomatic and hemodynamically stable before, during, and after the event.</p><p><strong>Conclusions: </strong>This case is rare due to the prolonged episode of ventricular standstill that occurred during surgery and the fact that the patient remained hemodynamically stable. Possible pathophysiological mechanisms of action of this phenomenon include both a vasovagal and inflammatory response, especially in a surgical setting with anesthesia.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"5161799"},"PeriodicalIF":0.5,"publicationDate":"2026-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13416751/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148622514","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":"Heart Transplantation in Nonoperable Multiple Giant Coronary Artery Aneurysms: A Case Report.","authors":"Raffaele Abete, Roberta Simona Cattaneo, Attilio Iacovoni, Claudia Vittori, Roberta Sebastiani, Ottavio Zucchetti, Francesco Moretti, Giuseppe Muscogiuri, Sandro Sironi, Amedeo Terzi, Michele Senni","doi":"10.1155/cric/9933683","DOIUrl":"10.1155/cric/9933683","url":null,"abstract":"<p><p>Coronary artery aneurysm (CAA) is an uncommon dilation of a coronary artery, with a prevalence of 0.3%-4.9% in patients undergoing coronary angiography. Giant CAAs, defined as dilations greater than four times the size of normal adjacent vessels or a diameter > 8 mm, are even rarer. We report a case of a 62-year-old man with chronic ischemic heart disease presenting with multiple giant CAAs. The patient had a history of myocardial infarction, obesity, dyslipidemia, and was an ex-smoker. Coronary angiography and cCTA revealed giant aneurysms in the right coronary and circumflex arteries, with extensive endoluminal thrombosis and compression of adjacent structures. The coronary anatomy was deemed unsuitable for surgical or percutaneous intervention; thus, the patient was listed and underwent orthotopic heart transplantation, without significant postoperative complications. This case highlights the complexity of giant CAAs management in adults, where conventional interventions are not feasible. The successful heart transplantation and favorable postoperative outcomes underscore the potential viability of this treatment. This case contributes to the limited literature on heart transplantation as a therapeutic option for nonoperable CAAs.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"9933683"},"PeriodicalIF":0.5,"publicationDate":"2026-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13416754/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148622527","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":"Successful Vaginal Delivery in a Young Female With Eisenmenger Syndrome and Double Outlet Right Ventricle: A Challenging Case Report.","authors":"Osman Farah Dahir, Said Abdirahman Ahmed, Ahmed Elmi Abdi, Ishak Ahmed Abdi, Ahmed Shafie Aden, Mohamed Mukhtar Mohamed, Mohamud Mire Waberi, Mohamed Omar Hassan","doi":"10.1155/cric/3877926","DOIUrl":"10.1155/cric/3877926","url":null,"abstract":"<p><strong>Background: </strong>Eisenmenger syndrome (ES), a severe complication of uncorrected congenital heart defects, is characterized by pulmonary hypertension and right-to-left intracardiac shunting resulting in systemic hypoxemia. Double outlet right ventricle (DORV), a rare congenital anomaly where both great arteries arise predominantly from the right ventricle, further exacerbates hemodynamic instability. Pregnancy in women with ES and DORV is associated with extremely high maternal and fetal mortality rates, requiring meticulous, multidisciplinary management.</p><p><strong>Case presentation: </strong>A 20-year-old Gravida 1 Para 0 woman at 34 weeks gestation presented with progressive dyspnea, cyanosis, and generalized edema. She had a single antenatal visit with no cardiovascular evaluation. Examination revealed finger clubbing, elevated jugular venous pressure, pitting edema, bibasilar lung crackles, and a systolic murmur. Vital signs were notable for heart rate 130 bpm, BP 110/70 mmHg, RR 25/min, and SpO₂ 80% on supplemental oxygen. Laboratory tests showed anemia and elevated CRP without fever. Imaging and echocardiography revealed a large ventricular and atrial septal defect with bidirectional shunt, severe tricuspid regurgitation, and estimated pulmonary artery pressure of 85 mmHg. DORV was suggested with the aorta arising from the right ventricle. A multidisciplinary team opted for vaginal delivery. Labor was induced with misoprostol (Bishop score 5) under continuous maternal monitoring. The patient delivered vaginally after 4 h. The newborn weighed 2.7 kg, with Apgar scores of 5 and 7 at 1 and 5 min, respectively. Postpartum, the mother received diuretics, blood transfusions, and antibiotics for elevated CRP. She stabilized by day seven and was transferred to cardiology for ongoing management.</p><p><strong>Discussion: </strong>This case highlights the challenges of managing pregnancy in women with ES and complex congenital heart defects like DORV. The successful vaginal delivery emphasizes the importance of a multidisciplinary approach, individualized treatment plans, and comprehensive monitoring to minimize risks. This case also demonstrates that vaginal delivery can be a viable option in selected patients when meticulously managed.</p><p><strong>Conclusion: </strong>Careful planning and multidisciplinary care can lead to favorable outcomes in pregnancies complicated by ES and DORV, despite their significant risks.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"3877926"},"PeriodicalIF":0.5,"publicationDate":"2026-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13402882/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148610144","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":"Nonvalvular Papillary Fibroelastoma of the Left Ventricle: A Case Report and Review of the Literature.","authors":"Aibek E Mirrakhimov","doi":"10.1155/cric/2873563","DOIUrl":"10.1155/cric/2873563","url":null,"abstract":"<p><p>Papillary fibroelastoma (PFE) is a benign primary cardiac tumor that most commonly arises from valvular endocardium, whereas nonvalvular involvement, particularly within the left ventricle, is rare. Despite benign histology, PFEs are clinically relevant due to mobility and embolic risk. We report a case of a 64-year-old woman in whom a small nonvalvular left ventricular PFE was identified during evaluation for ventricular arrhythmias. Cardiac imaging demonstrated a mobile mass attached to the apical inferior left ventricular wall, which was successfully resected surgically under cardiopulmonary bypass with pathologic confirmation of PFE. We additionally performed a focused review of published cases of nonvalvular left ventricular PFEs, including lesions arising from the subvalvular mitral apparatus. The literature demonstrates heterogeneous clinical presentation, diverse anatomic attachment sites, and a strong preference for surgical management. This case and review highlight the importance of considering PFE in the differential diagnosis of left ventricular masses and support surgical excision for mobile nonvalvular lesions.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"2873563"},"PeriodicalIF":0.5,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13400997/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148594437","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":"A Case Report: Mitral Valve Infective Endocarditis due to <i>Streptococcus mitis</i> With Cardioembolic Stroke in the Setting of a Neuroendocrine Tumor.","authors":"Thuy Hao Nguyen, Mahpara Munir, Ngoc Thai Kieu, Arif Karrar, Muhammad Umar, Phillip McDonald","doi":"10.1155/cric/2081665","DOIUrl":"10.1155/cric/2081665","url":null,"abstract":"<p><p>Infective endocarditis is a life-threatening infection of the endocardial surface, most commonly resulting from bacteremia originating from the oral cavity or intravascular sources. However, in some cases, the source of bacteremia remains unidentified, and the role of gastrointestinal pathology is not well defined. We report a patient in her 70s with multiple comorbidities, including mitral annular calcification, who presented with fever, altered mental status, and abdominal pain. Blood cultures grew <i>Streptococcus mitis</i>. Transthoracic and transesophageal echocardiography demonstrated a mobile vegetation on the mitral valve consistent with infective endocarditis. Brain magnetic resonance imaging revealed multiple acute cardioembolic infarctions. During hospitalization, persistent abdominal symptoms prompted further evaluation, which identified severe fecal impaction and a previously undiagnosed ileal neuroendocrine tumor with hepatic lesions. No recent dental procedures or other clear sources of bacteremia were identified. This case raises the possibility that gastrointestinal pathology, including bowel dysfunction and malignancy, may contribute to bacteremia and subsequent infective endocarditis. In patients without an identifiable source, targeted gastrointestinal evaluation may be considered, although further studies are needed to clarify this relationship.</p>","PeriodicalId":51760,"journal":{"name":"Case Reports in Cardiology","volume":"2026 ","pages":"2081665"},"PeriodicalIF":0.5,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13400981/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148594389","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}