Current vascular pharmacology最新文献

The adventitia, the artery's most intricate layer, has received little attention. During atherosclerosis, adventitia components undergo significant changes, such as angiogenesis, lymphangiogenesis, Artery Tertiary Lymphoid Organ (ATLO) formation, axon density increase, fibroblast activation, and stem cell differentiation. The reasons behind these changes and their contribution to atherosclerosis are beginning to be understood. In this review, we summarize the adventitia components and their role in normal arteries and then discuss the changes, pathogenesis, and potential clinical application of the adventitia in atherosclerosis.

Aims: To assess the efficacy and safety of sarpogrelate (300 mg) for symptom improvement in patients having peripheral arterial disease (PAD) and/or being at risk of PAD in clinical practice using the Peripheral Artery Questionnaire (PAQ).

Background: Symptomatic changes with antiplatelets in patients with PAD are limited.

Objective: To determine the effect and safety of sarpogrelate on the PAQ at 24 weeks from baseline.

Methods: A total of 1003 patients having PAD and/or being at risk of PAD from 17 tertiary hospitals in South Korea who were treated with sarpogrelate, were enrolled in this study. PAQs were collected at baseline and at 12 and 24 weeks, together with physical examination and vital signs measurements. Lifestyle pattern was also investigated.

Results: The average PAQ Summary Score in the efficacy evaluation analysis group significantly improved from 62.9 ± 23.7 at baseline to 68.9 ± 21.7 at 24 weeks (P<0.0001). Physical limitation items significantly improved from 69.5 ± 30.0 at baseline to 72.9 ± 28.3 after 24 weeks (P=0.0011). Symptom stability also significantly improved from 52.1 ± 21.6 at baseline to 63.6 ± 22.9 after 24 weeks (P<0.0001). Symptoms, treatment satisfaction, quality of life, and social limitation domains all improved after treatment. A total of 201 patients reported adverse events (20.0%), not directly associated with treatment.

Conclusion: Treatment with 300 mg (orally) of sarpogrelate demonstrated statistically significant improvements in all domains and for the summary score of the PAQ at 24 weeks, it gave good results in terms of safety. Sarpogrelate may be helpful in reducing symptoms related to PAD.

Background: Gut microbiota-derived metabolite Trimethylamine-N-oxide (TMAO) is increasingly recognized as a potential novel prognostic biomarker for cardiovascular disease. Our research work aimed to investigate the potential utility of TMAO measurement in patients with STelevation Myocardial Infarction (STEMI).

Methods: We performed a systematic literature search in PubMed from inception to the 1st of February 2024 to identify all studies examining the association between plasma TMAO levels and disease complexity or clinical outcomes in STEMI patients.

Results: A total of eight prospective cohort studies were included, encompassing a total of 2,378 STEMI patients. Three of the studies provided only in-hospital evidence (i.e., increased odds for more severe coronary artery disease, plaque rupture, and plaque healing in patients with increased TMAO levels). Four studies examined the long-term prognostic value of TMAO after 10-12 months of follow-up post-STEMI (i.e., increased risk of adverse cardiovascular events in patients with increased TMAO levels), while one study provided data for both in-hospital and mid-term prognosis, indicating that 4-months after STEMI patients with greater TMAO elevation had larger infarct size.

Conclusion: Higher TMAO levels were associated with a greater prevalence of high-risk coronary plaque characteristics and worse in-hospital and follow-up outcomes in STEMI patients. Further study is needed on whether modulating the diet-dependent TMAO levels could improve clinical outcomes in these patients.

Registration number: [(OSF): https://doi.org/10.17605/OSF.IO/WNG8V].

Background: Myocardial metabolism is closely related to functional changes after myocardial infarction (MI).

Objective: This study aimed to present an integrative examination of human ischemic cardiomyopathy.

Methods: We used both GSE121893 single-cell suspension sequencing and GSE19303 transcription microarray data sets from the GEO database, along with a murine MI model for full-spectrum metabolite detection. Through a systematic investigation that involved differential metabolite identification and functional enrichment analysis, we shed light on the pivotal role of energy metabolism dysregulation in the progression of MI.

Results: Our findings revealed an association between the core regulatory genes CDKN1A, FOS, ITGB4, and MAP2K1 and the underlying pathophysiology of the disease. These genes are identified as critical elements in the complex landscape of myocardial ischemic disorder, highlighting novel insights into therapeutic targets and the intricate biological mechanisms involved.

Conclusion: This analysis provides a framework for future research on the metabolic alterations associated with MI.

Aims: This study aims to conduct a bibliometric and visual analysis of published studies on myocarditis and coronavirus disease 2019 (COVID-19) vaccines.

Background: The widespread epidemic of COVID-19 has caused millions of deaths and profoundly affected the global medical landscape. Studies on COVID-19 vaccination and related myocarditis have also increased significantly.

Objective: To analyze the current status and trends of myocarditis and COVID-19 vaccine research by bibliometric and to elucidate research hotspots and frontiers.

Methods: Based on the Web of Science Core Collection SCI-Expanded database, we utilize Excel 2019 and visualization analysis tools VOSviewer, Co-Occurrence13.2 (COOC13.2), Citespace, HistCite, and Scimago Graphica for analysis.

Results: Our study encompassed a total of 389 relevant articles, and we observed a consistent upward trend in the number of publications over time, indicating the growing interest in this subject. Among the countries and regions contributing to this body of literature, the United States emerged as the leading publisher, with Harvard Medical School being the most prominent institution associated with these studies. Notably, Matthew E. Oster from the United States emerged as one of the prominent authors in this field. Hotspot research and frontier areas include myocarditis and the different types of COVID-19 vaccines (e.g., mRNA vaccines, adenovirus vector vaccines, inactivated vaccines), the development of new vaccines in reducing the incidence and sequelae of COVID-19 without an increased incidence of myocarditis, and relief of vaccine hesitancy.

Conclusion: Research on myocarditis and the COVID-19 vaccines has grown rapidly. Our research results can help researchers grasp the current status of myocarditis related to the COVID-19 vaccine research and find new research directions in the future.