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Cardiac left ventricular - Europe PMC

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Last Updated: 13 November 2022

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Glyceraldehyde-derived advanced glycation end-products are associated with left ventricular ejection fraction and brain natriuretic peptide in patients with diabetic adverse cardiac remodeling.

However, it is also unknown if the severity of cardiac function and heart failure in diabetic adverse cardiac remodeling patients. Eleven heart failure patients with type 2 diabetes mellitus in absence of other cardiac disorders were accepted. As a control, 14 patients with idiopathic dilated cardiomyopathy without DM were given as a control. The serum Glycer-AGEs and TNFu03b1 levels in the patients with DbCR were closely linked to LVEF and BNP measurements, which were closely related to LVEF and BNP values. Both Glycer-AGEs and TNF-u03b1 were found to have close links with LVEF and BNP levels in patients with DbCR.

Source link: https://europepmc.org/article/MED/35792728


Cardiac magnetic resonance predictors of left ventricular remodelling following acute ST elevation myocardial infarction: The VavirimS study.

This prospective, multicenter study looked at LV-REM CMR in the subacute phase, and 6 months after STEMI. Patients with the first STEMI undergone positive primary angioplasty were first enrolling, with Methods and findings patients. The prevalence of 6 months of LV-REM [u226512% increase in the LV end-diastolic volume index] was also estimated; LV-REM by end-systolic volume index increased by 26% [U226512% increase] was also estimated; LV-REM by end-systolic volume index -up by end-systolic volume index increased by 6 months [u226512 percent] was also estimated]; LV-REM Patients in 36/193 and 34/193, respectively, had LV-REM EDV and LV-REM ESV. Patients with or without LV-REM EDV were up in patients with or without LV-REM EDV, while those with LV-REM ESV lowered, while in those with LV-REM ESV lowered. In a recent cohort of STEMI patients studied by CMR, the incidence of LV-REM EDV was lower than previously reported. On the other hand, LV-REM ESV could be a "adverse" phenomenon attributed to decreased LV-EF, largely owing to IS.

Source link: https://europepmc.org/article/MED/36351542


BmooMP╬▒-I, a Metalloproteinase Isolated from Bothrops moojeni Venom, Reduces Blood Pressure, Reverses Left Ventricular Remodeling and Improves Cardiac Electrical Conduction in Rats with Renovascular Hypertension.

Bmoomp3b1-I has kininogenase activity, cleaving kininogen, and can hydrolyze angiotensin I at post-proline and aspartic acid positions, yielding an inactive peptide. Sham, who underwent sham surgery, and 2K1C, who suffered from stenosis of the right renal artery, were divided into groups: Sham, who underwent sham surgery, and 2K1C who had stenosis of the right renal artery. We discovered that BmooMP3-I raised blood pressure levels and cardiac remodeling, which was a cardioprotective measure.

Source link: https://europepmc.org/article/MED/36356016


Extracellular volume and left ventricular hypertrophy by cardiac magnetic resonance are independent predictors of cardiovascular outcome in obesity.

This retrospective cohort analysis looked at relationships between increased extracellular volume and left ventricular hypertrophy by cardiac magnetic resonance and cardiovascular composite outcomes in obesity. According to the non-LVH and high ECV questionnaire, LGE, LVH, and high ECV were all independent predictors of cardiovascular composite outcomes, with lower ECV, the LVH and high ECV alone, the high ECV alone, and the no-LVH with lower ECV falling by 51. 6 percent, 38. 9%, 32. 6%, and 17. 7%, respectively. Both LVH and high ECV are independent predictors of CV composite outcomes in obesity. This is the first analysis to establish the prognostic value of ECV in the obese population.

Source link: https://europepmc.org/article/MED/36335162


Optimal, Early Postoperative Management of Cardiac Transplant and Durable Left Ventricular Assist Recipients.

Purpose of study Summarize findings in the early postoperative care of patients undergoing cardiac transplantation or left ventricular assist device implantation. New research The right and left ventricles can be percutaneously circulatory support of either the right and left ventricles, isolated or mixed by subclavian and neck vessels, according to recent studies. Since the adult heart allocation scheme was modified to reduce waitlist mortality, the use of provisional mechanical circulatory assistance has increased. Individualized percutaneous mechanical circulatory support provides new opportunities for the early postoperative care of critically ill patients undergoing cardiac transplantation or durable left ventricular assist device implantation.

Source link: https://europepmc.org/article/MED/36327054


Cardiac MRI Risk Stratification for Dilated Cardiomyopathy with Left Ventricular Ejection Fraction of 35% or Higher.

Background Studies over the past 15 years have found that a significant number of patients with dilated cardiomyopathy who died as a result of sudden cardiac death had a left ventricular ejection percentage of 35 percent or higher. Aim: To determine clinical and cardiac risk factors for adverse events in patients with DCM and LVEF of 35 percent or higher. In the adjusted analysis, age, family history of SCD, New York Heart Association class III or IV, and myocardial scar at late gadolinium enhancement MRI greater than or equal to 7. 1% of the LV mass were related to SCD or aborted SCD. Conclusion For patients with dilated cardiomyopathy and left ventricular ejection percentage of 35 percent or higher, cardiac MRI-defined myocardial scar greater than or equal to 7. 1% of the LV mass was associated with sudden cardiac death or abortion-related SCD.

Source link: https://europepmc.org/article/MED/36318031


SegNet-based left ventricular MRI segmentation for the diagnosis of cardiac hypertrophy and myocardial infarction.

Methods The Affiliated Hospital of Qingdao University in 2019 and 2022 obtained 1354 cardiac MRIs between 2019 and 2022, and the database was divided into four groups: for the diagnosis of cardiac hypertrophy and myocardial infraction, as well as a manual annotation group to establish a cardiac MRI library. This paper discusses how image segmentation frameworks in medical image segmentation have a poor reputation and poor generalization capability, as well as the data set. Conclusions The deep learning model developed in this paper's segmentation accuracy can satisfy most clinical medicine applications' needs, as well as providing technical assistance for left ventricular identification in cardiac MRI.

Source link: https://europepmc.org/article/MED/36351349


Left Ventricular Function and Iron Loading Status in a Tertiary Center Hemochromatosis Cohort-A Cardiac Magnetic Resonance Study.

Organ iron loading and cardiac function in a prospective tertiary center HCH cohort were prospectively studied. Methods 42 HCH patients and 36 controls underwent laboratory investigation and cardiac magnetic resonance, including T1 and T2* mapping, as well as T1 and T2* mapping. Patients were significantly smaller in patients than controls in T2*, myocardial T1 in, and liver T2*. In ten patients, three pts with normal livT2* were discovered, including 4 pts with normal livT2*. Even in patients with normal liver overload, low myocardial T2* and/or T1 values could indicate a closer follow-up for myocardial iron overload.

Source link: https://europepmc.org/article/MED/36359463


Congenitally corrected transposition with left ventricular outflow obstruction and cardiac malposition: One-and-a-half ventricular repair vs. Fontan pathway?

Objectives This research was designed to determine the mid-term results of the one-and-a-half ventricular reconstruction and Fontan pathway for correcting congenitally corrected transposition of great artery patients with left ventricular outflow tract obstruction and cardiac malposition. Methods This retrospective review includes 74 consecutive ccTGAs with LVOTO and cardiac malposition, as well as cardiac arrest, underwent the one-and-a-half ventricular repair and Fontan surgery between October 2011 and March 2018. Compared to group A, greater CPB, mechanical ventilation time, and extended care unit remain, but extended pleural effusions have increased frequency in Group B. Longitudinal repeated measured echo results show that group A has higher systemic ventricular EF% and less frequent systemic ventricular valve regurgitation than in group B. Conclusions The one-and-a-half ventricular repair had better midterm heart function and excise tolerance for correction of ccTGA with LVOTO and cardiac malposition, as well as cardiac malposition.

Source link: https://europepmc.org/article/MED/36324751


Predictive value of myocardial strain on myocardial infarction size by cardiac magnetic resonance imaging in ST-segment elevation myocardial infarction with preserved left ventricular ejection fraction.

Background: With a preserved left ventricular ejection fraction, there is no evidence a correlation between myocardial strain and infraction size in ST-segment elevation myocardial infarction with preserved left ventricular ejection fraction. Objective: To look at the relationship between myocardial strain and myocardial infarction size in patients of acute STEMI with preserved LVEF. Materials and Methods: A retrospective analysis was conducted to determine 31 patients with acute ST-segment elevation myocardial infarction following initial percutaneous coronary intervention who underwent cardiac magnetic resonance imaging during hospitalization at Shandong First Medical University from 2019 to 2022, whose echocardiography revealed preserved LVEF, and whose echocardiography demonstrated preserved LVEF. Results: The left ventricular ejection fraction of STEMI patients with preserved LVEF was significantly reduced compared to healthy controls. Conclusion: CMR-FT-based GCS provided greater diagnostic precision than GLS and LVEF in predicting myocardial infarction size in STEMI patients with preserved LVEF after PCI.

Source link: https://europepmc.org/article/MED/36313364

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions