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Objectives: To investigate to what extent cardiac MRI derived measurements of right ventricular (RV) volumes using the left ventricular (LV) end-systolic and end-diastolic frame misrepresent RV end-systolic and end-diastolic volumes in patients with tetralogy of Fallot (ToF) and a right bundle branch block.
Methods: Sixty-five cardiac MRI scans of patients with ToF and a right bundle branch block, and 50 cardiac MRI scans of control subjects were analyzed. RV volumes and function using the end-systolic and end-diastolic frame of the RV were compared to using the end-systolic and end-diastolic frame of the LV.
Results: Timing of the RV end-systolic frame was delayed compared to the LV end-systolic frame in 94% of patients with ToF and in 50% of control subjects. RV end-systolic volume using the RV end-systolic instead of LV end-systolic frame was smaller in ToF (median -3.3 ml/m(2), interquartile range -1.9 to -5.6 ml/m(2); p<0.001) and close to unchanged in control subjects. Using the RV instead of LV end-systolic and end-diastolic frame hardly affected RV end-diastolic volumes in both groups and ejection fraction in control subjects (54±4%, both methods), while increasing ejection fraction from 45±7% to 48±7% for patients with ToF (p<0.001). QRS duration correlated positively with the changes in the RV end-systolic volume (p<0.001) and RV ejection fraction obtained in ToF patients when using the RV instead of the LV end-systolic and end-diastolic frame (p = 0.004).
Conclusion: For clinical decision making in ToF patients RV volumes derived from cardiac MRI should be measured in the end-systolic frame of the RV instead of the LV.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3561175 | PMC |
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0055462 | PLOS |
Int J Cardiol Heart Vasc
February 2025
Shaoxing Central Hospital, No. 1 Huayu Road, Keqiao District, Shaoxing Province, 312030, China.
Objective: The present study aimed to investigate the correlation between lipoprotein(a) (Lp-a) and coronary artery disease (CAD) complicated by type I cardiorenal syndrome (CRS).
Methods: We conducted a retrospective analysis of patients diagnosed with CAD admitted to the Department of Cardiovascular Medicine at Shaoxing Central Hospital from January 2021 to December 2022, with chief complaints of "chest distress and dyspnea." Patient demographic data, biochemical indicators (including blood lipid levels and serum creatinine), cardiac function markers (such as pro-brain natriuretic peptide, pro-BNP), echocardiography, and coronary angiography results were collected.
Int J Gen Med
December 2024
Department of Cardiology, The Third Affiliated Hospital of Qiqihar Medical College, Qiqihar, 161000, People's Republic of China.
Objective: To retrospectively compare the efficacy of Sacubitril/Valsartan and Benazepril in the treatment of heart failure in patients following acute myocardial infarction.
Methods: A retrospective analysis of clinical data was conducted for 103 patients with heart failure following acute myocardial infarction admitted to our hospital from January 2021 to January 2024. All patients met complete inclusion and exclusion criteria.
Magn Reson Imaging
December 2024
Department of Radiology, Iwate Medical University, Yahaba, Japan.
Objective: The total examination time can be reduced if high-quality two-dimensional (2D) cine images can be collected post-contrast to minimize non-scanning time prior to late gadolinium-enhanced imaging. This study aimed to assess the equivalency of the pre-and post-contrast performance of 2D deep learning-based highly accelerated cardiac cine (DL cine) imaging by evaluating the image quality and the quantification of biventricular volumes and function in the clinical setting.
Material And Methods: Thirty patients (20 men, mean age 53.
PLoS One
December 2024
Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
Background: Biventricular dysfunction is frequent in patients with repaired tetralogy of Fallot, necessitating routine imaging to monitor for worsening conditions and determine whether procedures like pulmonary valve replacement (PVR) are needed. This study aimed to highlight the parameters of cardiac magnetic resonance imaging (CMR) and their association with adverse outcomes in the midterm follow-up of these patients.
Methods: This longitudinal study recruited all patients with a history of tetralogy of Fallot total correction (TFTC) who had two CMR images at a minimum three-month interval at Rajaie Center from 2007 through 2017.
J Clin Med
December 2024
Discipline of Medicine, School of Medicine, College of Medicine Nursing and Health Sciences, University of Galway, H91 TK33 Galway, Ireland.
Sodium-glucose cotransporter-2 inhibitors (SGLT2-i) have been shown to reduce risks of clinical events in patients with heart failure (HF). However, data on the use of SGLT2-i in patients with left ventricular assist devices (LVADs) are scarce. We thought to assess the efficacy and safety of SGLT2-i in patients with LVADs.
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