Cardiovascular Journal of Africa最新文献

{"title":"Effects of edoxaban, rivaroxaban, and warfarin on recanalisation, inflammation, and post-thrombotic syndrome in patients with deep vein thrombosis.","authors":"Volkan Burak Taban, Abdullah Güner, Özgür Altınbaş, Yüksel Dereli","doi":"10.5830/CVJA-2025-015","DOIUrl":"https://doi.org/10.5830/CVJA-2025-015","url":null,"abstract":"<p><strong>Objective: </strong>Post-thrombotic syndrome (PTS) and recurrent thrombosis are the common morbidities associated with deep venous thrombosis (DVT). There are several treatment modalities have been defined in the literature. Here, we aimed to compare the effects of edoxaban, rivaroxaban and warfarin on recanalised flow, inflammation and postthrombotic syndrome in patients with DVT.</p><p><strong>Methods: </strong>A total of 320 patients treated with Edoxaban 60 mg(<i>n</i> = 107), Rivaroxaban 20 mg(<i>n</i> = 107) and Warfarin 5 mg(<i>n</i> = 106) due to DVT were included to the study. Venous Doppler ultrasonography and VILLALTA score were used for the assessment of recanalised flow and PTS.</p><p><strong>Results: </strong>There were no statistically significant differences between the groups in terms of demographic characteristics. 1-month NLR levels were significantly lower in rivaroxaban group and PLR levels were significantly lower in both rivaroxaban and edoxaban groups. 3-month villalta score was statistically higher inWarfarin group and no differences in 6^th month measurements between the groups.</p><p><strong>Conclusions: </strong>Treatment of DVT is a dynamic process which requires the exact evaluation of the patients according to the several parameters. Recanalised flow, inflammation and situations related to inflammation such as PTS can be used for the assessment. Drugs can be shifted according to the response.</p><p><strong>Abbreviations and acronyms: </strong>DVT: Deep Venous Thrombosis, PTS: Post-thrombotic Syndrome, NOACs: New Oral Anticoagulants, NLR: Neutrophil/lymphocyte ratio, PLR: Platelet/lymphocyte ratio, TTR: Time in therapeutic range, QoL: Quality of Life.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"154-160"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798193","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":"A novel marker for determining the severity of coronary artery disease: the metabolic coronary risk index.","authors":"Yücel Kanal, Idris Yakut","doi":"10.5830/CVJA-2025-011","DOIUrl":"https://doi.org/10.5830/CVJA-2025-011","url":null,"abstract":"<p><p>Despite advances in prevention and treatment, coronary artery disease (CAD) remains a major cause of death globally. Glycated haemoglobin (HbA1c) and body mass index (BMI) are known risk factors for CAD. This study aimed to investigate the relationship between the metabolic coronary risk index (MCRI) and the severity of CAD, measured by the SYNTAX score (SS), in patients with acute coronary syndrome (ACS) who underwent coronary angiography (CAG). A total of 214 patients were included, with a mean age of 59.29 ± 11.93 years, and 25.7% were female. Regression analysis showed that MCRI independently predicted CAD severity. MCRI differentiated moderate and high SS from low SS with 70% sensitivity and 50% specificity at a cutoff value of 158.9. The study concluded that MCRI is a significant predictor of CAD severity in ACS patients.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"129-133"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798270","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":"Neurological outcomes after carotid endarterectomy in patients with contralateral carotid occlusion: One-year follow-up.","authors":"Mehmet Ali Yeşsiltaş, Yaşar Gökkurt, Serkan Ketenciler, Cihan Yücel, Merve Yakupoğlu, Ahmet Ozan Koyuncu, Esra Erturk Tekin, Ismail Haberal","doi":"10.5830/CVJA-2025-009","DOIUrl":"https://doi.org/10.5830/CVJA-2025-009","url":null,"abstract":"<p><strong>Introduction: </strong>Neurological complications occur after CEA, independent of CCO. These neurological complications appear to occur more frequently in CEA patients with CCO. In our study, we aimed to share the perioperative and postoperative 1-year neurological results of CEA patients.</p><p><strong>Methods: </strong>Patients who underwent CEA between January 2017 and January 2023 were retrospectively examined. Patients who underwent CEA with total occlusion of the contralateral internal carotid artery (ICA) were included in the study (42 patients). The patients were routinely checked on the 15th day, 6th month and 12th month after discharge, and the presence of symptoms (stroke, TIA) and carotid-related mortality were assessed.</p><p><strong>Results: </strong>The average age of the patients was 69.18 ± 7.9 years. One patient experienced postoperative nerve damage, responded to anti-inflammatory treatment during follow-up and was discharged without sequelae. Weakness in the ipsilateral left arm developed in 1 patient. One patient who underwent postoperative revision as mentioned previously suffered stroke, and 1 patient had a history of TIA at the 6-month follow-up. During the 1-year follow-up, stroke developed in 1 patient, and diffuse infarction was observed in the ipsilateral median cerebral artery area. It is known that this patient is noncompliant with medical treatment. One patient died in the 10th postoperative month, but the direct relationship with mortality is unknown.</p><p><strong>Conclusions: </strong>With respect to neurological risks in patients with CCO, CEA should always be performed by experienced surgeons. We believe that preoperative collateral evaluation during CEA in patients with CCO and the routine use of shunts during the procedure minimise the risk of cerebrovascular events.</p><p><strong>Abbreviations: </strong>CEA: Carotid endarterectomy, CAD: Carotid artery disease, CCO: Contralateral carotid occlusion, CAS: Carotid artery stenting, ICA: internal carotid artery, TIA: Transient ischemic attack, NIRS: near-infrared spectroscopy.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"116-210"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798198","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":"A scoping review on the use of patient-reported outcome measures (PROMs) for care of people with cardiovascular disease in African countries.","authors":"Precious W Akanyirige, Cheryl Mensah, Kai Holder, Molly Beestrum, Pilly Chillo, Jackson Mlay, Sylvia Kaaya, Claudia Hawkins, Lisa R Hirschhorn","doi":"10.5830/CVJA-2024-014","DOIUrl":"10.5830/CVJA-2024-014","url":null,"abstract":"<p><strong>Introduction: </strong>Poor healthcare outcomes from cardiovascular disease (CVD) have prompted a shift towards measuring patient-reported outcomes (PROs) to improve quality of care. We conducted a scoping review of the current use of PRO measures (PROMs) in the care of people with CVD in African countries.</p><p><strong>Methods: </strong>This study included studies that reported the use of at least one PROM in participants with CVD. The study took place in at least one African country.</p><p><strong>Results: </strong>The 25 included studies originating from13 countries were primarily observational (<i>n</i> = 23), and most commonly studied adults with congestive heart failure (<i>n</i> = 17). Themost common PROM was quality of life (QOL) (<i>n</i> = 17). Overall QOL was poor; lower QOL was associated with various clinical and patient factors.</p><p><strong>Conclusion: </strong>Further work is needed to expand the availability of adapted PROMs and to explore effective implementation strategies to better integrate their use into clinical practice.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"63-82"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798271","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":"Identification of genetic risk variants in PCSK9 gene and its association with myocardial infarction in Pakistani Pashtun population.","authors":"Naveed Rahman, Asif Jan, Rani Akbar, Gamal A Shazly, Tahir Muhammad, Mohammed Bourhia, Syed Shaukat Ali, Mashal Khattak","doi":"10.5830/CVJA-2025-005","DOIUrl":"https://doi.org/10.5830/CVJA-2025-005","url":null,"abstract":"<p><strong>Objective: </strong>Substantial advancements have been made in the identification of genetic risk variants associated with myocardial infarction (MI), predominantly within developed nations. The limited representation of the Pakistani population in genetic studies motivated us to design this study. The objective of this study is to identify the genetic variants within the PCSK9 gene and its possible association with myocardial infarction (MI) in Pakistani Pashtun population.</p><p><strong>Methods: </strong>Whole Exome Sequencing (WES) was performed to pinpoint and propose pathogenic Single Nucleotide Polymorphisms (SNPs) associated with MI. Subsequent, MassARRAY genotyping and rigorous statistical analyses were used to confirmthe association of WES reported variants with MI.</p><p><strong>Results: </strong>Exome sequencing identified n=5 SNPs in PCSK9. Of the five reported variants, SNPs rs2483205 (OR = 1.429, 95% CI = 0.925-2.207, p = 0.061) and rs562556 (OR = 2.50, 95% CI = 1.274-4.906, p = 0.001) showed strong positive association with myocardial infarction (MI).Whereas SNPs rs540796, rs509504, and rs505151 (p > 0.05) showed no association with MI in the study population. Genotypic distribution of SNPs rs562556 and rs2483205 were reported significant different between MI cases and controls (p < 0.05). Moreover recessive model (TT + CT versus CC) for rs2483205 and the dominant model (GG + AG versus AA) for rs562556 demonstrated strong associations with MI.</p><p><strong>Conclusions: </strong>The present study identified potential genetic markers increasing susceptibility/risk of MI in the study population. Our study provides a platform for future large scale genetic studies and identifying individuals who at risk of developing MI. The present study emphasise the development of treatments strategies based on genetic makeup of individual.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"89-95"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798196","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":"Angiotensin converting enzyme gene polymorphism in Nigerians with peripartum cardiomyopathy.","authors":"Fatima Muhammed Bashir, Isa Abubakar Aliyu, Imam Malik Kabir, Shaheeda Labaran Farouk, Hadiza Sa'idu, Kamilu Musa Karaye","doi":"10.5830/CVJA-2025-010","DOIUrl":"10.5830/CVJA-2025-010","url":null,"abstract":"<p><strong>Introduction: </strong>This study aimed to determine the association between angiotensin converting enzyme (ACE) gene I/D polymorphism and peripartum cardiomyopathy (PPCM) in Kano, Nigeria.</p><p><strong>Methods: </strong>50 PPCM patients were consecutively recruited and compared with 50 apparently healthy puerperal wo men as controls, in Aminu Kano Teaching Hospital, Kano, Nigeria. ACE genotyping was done by polymerase chain reaction method, after obtaining written informed consent.</p><p><strong>Results: </strong>There was no significant difference in the prevalence of ACE ID and DD genotypes in the PPCM patients versus controls (44.0% vs 36.0%, <i>p</i> = 0.414; and 36.0% versus 40.0%, <i>p</i> = 0.680, respectively). Importantly, the association between ACE gene polymorphism and PPCM was not statistically significant (odds ratio: 1.46, 95% confidence interval: 0.52-4.17; <i>p</i> = 0.477).</p><p><strong>Conclusions: </strong>The prevalence of ACE gene I/D polymorphism was not significantly different between PPCM patients and controls. ACE gene I/D polymorphism was not associated with PPCM in Kano, Nigeria.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"122-128"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798272","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":"Effect of percutaneous coronary intervention with prolonged balloon pre-dilation on coronary flow in ST-segment elevation myocardial infarction.","authors":"Mücahit Taşdemir, Samim Emet","doi":"10.5830/CVJA-2025-004","DOIUrl":"https://doi.org/10.5830/CVJA-2025-004","url":null,"abstract":"<p><strong>Objective: </strong>Coronary artery disease is the leading cause of death worldwide. Prompt revascularisation is crucial once a diagnosis of ST-segment elevation myocardial infarction (STEMI) is established. It is well-known that improved coronary flow and perfusion result in better long-term outcomes. In our study, we aimed to compare the effects of balloon angioplasty with prolonged and brief balloon inflation on coronary flow in primary percutaneous coronary intervention (PCI) in STEMI patients.</p><p><strong>Methods: </strong>We included 62 patients who presented to our clinic diagnosed with STEMI and underwent primary PCI in our study. Pre-dilation was performed briefly, under 30 seconds (s), in 31 patients, while prolonged balloon dilation exceeding 30 s was conducted in the remaining 31 patients. ST-segment resolutions, laboratory parameters, troponin monitoring, and troponin peak times were collected for both groups before and after the procedure. After revascularisation of the responsible vessel, coronary flow parameters like thrombolysis in myocardial infarction (TIMI) score, TIMI frame count (TIMIfc), and myocardial blush grade (MBG) were evaluated.</p><p><strong>Results: </strong>Participants in both groups were similar in characteristics aside from the investigated parameters (<i>p</i> >0.05). The troponin peak occurred earlier in those with prolonged balloon inflation times. Electrocardiography (ECG) improvement percentages at 1, 3, and 6 hours were higher in the prolonged balloon group (78.71±21, 92.26±1, 96.77±1) compared to the brief balloon group (60.97±2, 81.94±1, 92.90±1) (<i>p</i> <0.05). Logistic regression showed that increasing age negatively affected TIMI flow grade and myocardial blush grade, while prolonged balloon times had a positive impact (<i>p</i> <0.05).</p><p><strong>Conclusion: </strong>The current study demonstrated that prolonged balloon pre-dilation yielded superior outcomes compared to brief balloon pre-dilation in primary PCI performed on STEMI patients. These outcomes included enhanced TIMI, TIMIfc, and MBG parameters, along with faster and improved ST-segment resolution, allowing for a more rapid attainment of the troponin peak value. If similar findings are demonstrated in larger studies, standardising the balloon duration could be beneficial in primary PCI of STEMI patients. Thus, improved coronary flow would be associated with better long-term outcomes.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"82-88"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798277","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":"Upper reversed-T mini-sternotomy for sutureless aortic valve replacement: an alternative for high-risk patients.","authors":"Mustafa Mert Ozgur, Hakan Hancer, Baris Gurel, Ozge Altas, Halil Ibrahim Bulut, Tolga Bas, Sabit Sarikaya, Kaan Kırali","doi":"10.5830/CVJA-2025-022","DOIUrl":"https://doi.org/10.5830/CVJA-2025-022","url":null,"abstract":"<p><strong>Background: </strong>Sutureless aortic prostheses are designed to make aortic valve replacement easier than stented or stentless prostheses in patients with significant aortic stenosis. Recently, a more minimally invasive approach combining sutureless aortic valve replacement with small incisions has emerged, but concerns remain about reduced surgical visibility and the risk of permanent pacemaker implantation.</p><p><strong>Methods: </strong>Between 2015 and 2023, 216 patients underwent sutureless aortic valve replacement; of these, only 124 patients who underwent isolated primary aortic valve replacement surgery for severe calcific aortic valve stenosis were included in this study to compare in-hospital outcomes between the upper reversed-T mini-sternotomy and full sternotomy approaches.</p><p><strong>Results: </strong>The mean age was 73.3 ± 7.1 years for full sternotomy [NK2] and 71.9 ± 5.7 years for mini sternotomy. The differences in preoperative risk factors, including associated cardiac pathologies, left ventricular functions, aortic valve pathologies, and aortic root status, were not significant. The mean aortic cross-clamp and associated total cardiopulmonary bypass times were higher in the mini-sternotomy group without any worsening of perioperative outcomes. Postoperative early complications were similar between the two groups, except for tube drainage and hospital stay, which were worse in the full sternotomy group.</p><p><strong>Conclusions: </strong>In elderly patients with severe calcific aortic stenosis, sutureless aortic valve replacement via the upper reversed-T mini-sternotomy approach is at least as successful as the full sternotomy method and can be preferred in this patient group due to advantages such as less drainage and faster recovery.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"196-201"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798230","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":"Assessment of the impact of carotid intima-media thickness on postoperative cognitive dysfunction following elective noncardiac surgery.","authors":"Kabahasanoğlu Kadir, Kararmaz Alper, Ayanoğlu Hilmi Ömer","doi":"10.5830/CVJA-2025-017","DOIUrl":"https://doi.org/10.5830/CVJA-2025-017","url":null,"abstract":"<p><strong>Background: </strong>Postoperative cognitive dysfunction (POCD) following noncardiac surgery in the elderly is a growing concern. This study evaluates the relationship between carotid intima-media thickness (cIMT), a measure of subclinical atherosclerosis, and POCD.</p><p><strong>Methods: </strong>In this prospective study, elderly patients (≥60 years) undergoing elective noncardiac surgery were divided into two groups based on cIMT. Cognitive assessments were conducted preoperatively and postoperatively using the mini-mental state examination, clock-drawing, digit span, trail-making, and Stroop tests.</p><p><strong>Results: </strong>The study included 36 patients, with no significant differences in cognitive test outcomes between those with cIMT ≤0.9mmand >0.9mm. The overall incidence of POCD was 2.8%.</p><p><strong>Conclusions: </strong>Increased cIMT was not associated with a higher risk of POCD. Larger studies are necessary to confirm these findings.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"172-179"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798273","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":"Role of low-dose cardiac CT scans in young children: a systematic review.","authors":"T Visakh, P S Priya, Nitika C Panakkal, S Sharath, Sukumar Suresh, Koteshwar Prakashini","doi":"10.5830/CVJA-2025-012","DOIUrl":"10.5830/CVJA-2025-012","url":null,"abstract":"<p><strong>Purpose: </strong>To perform a systematic review of the diagnostic accuracy of low-dose cardiac CT scans in young children.</p><p><strong>Methods: </strong>A search of MEDLINE via the PubMed, Web of Science Core Collection, Cochrane Library, and ScienceDirect databases for English-language literature was performed to identify studies on low-dose cardiac CT for the diagnosis of congenital heart disease. The image quality, diagnostic value and effective radiation dose of low-dose cardiac CT scans were compared.</p><p><strong>Results: </strong>Fourteen studies utilized a total sample size of 474 neonates, infants, and young children. Twelve studies reported diagnostic accuracies ranging between 95.60% and 100.00%. Among the individual studies, the sensitivity ranged between 91.00% and 96.70%, whereas the specificity ranged between 92.30% and 99.91%. The effective radiation dose between individual studies ranged between 0.07mSv and 1.81mSv. The subjective image quality was either rated on a 5-point or a 4-point scale. Among the studies that used the 5-point scale, the image quality ranged between 3.77 and 4.90, whereas among the studies that used the 4-point scale, the image quality ranged between 1.20 and 3.06.</p><p><strong>Conclusions: </strong>The findings of this study indicate that advanced CT scan protocols, such as high-pitched, dual-source, and ECG-triggered methods, can produce high-quality images and achieve very high diagnostic accuracy at extremely low radiation doses.</p>","PeriodicalId":9434,"journal":{"name":"Cardiovascular Journal of Africa","volume":"36 2","pages":"134-141"},"PeriodicalIF":0.7,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144798201","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}