Publications by authors named "J Tomfohr"
Article Synopsis
- - This study investigates how the left ventricular systolic ejection time (SET) relates to clinical outcomes in ambulatory heart failure (HF) patients, comparing those with reduced ejection fraction (HFrEF) and preserved ejection fraction (HFpEF).
- - The research involved 545 patients and found that HFrEF patients had shorter SET, longer pre-ejection periods, and higher rates of death or HF hospitalization compared to HFpEF patients.
- - Results indicated that a longer SET is linked to better outcomes in HFrEF patients specifically, suggesting that improving SET may be a beneficial treatment approach for those with systolic dysfunction.
Echocardiography is a key tool in the management of patients with pulmonary arterial hypertension (PAH), but many potential parameters could be used to assess response to therapy. In this retrospective study of 48 patients with severe PAH at baseline, we examined echocardiographic variables before and after initiation of PAH-specific therapy to evaluate which measures of right ventricular (RV) function best correlated with clinical response to therapy as assessed by 6-minute walk distance (6MWD) and 3-year all-cause mortality. Tricuspid annular plane systolic excursion (TAPSE), mid-RV and basal-RV diameters, RV systolic pressure, and RV global longitudinal strain were all found to significantly improve after initiation of a PAH therapy.
View Article and Find Full Text PDFBackground: Right ventricular peak systolic longitudinal strain (RVLS) has emerged as an approach for quantifying right ventricular function in diseases such as pulmonary hypertension and congenital heart disease. A major limitation in applying RVLS is that strain imaging and analysis are proprietary, which may result in systematic differences from vendor to vendor. The goal of this study was to test the reproducibility of right ventricular strain analysis among selected vendor-specific software (VSS) and vendor-independent software (VIS) on images obtained from different ultrasound scanners, as would be common in clinical practice or in a multicenter clinical trial.
View Article and Find Full Text PDFECG myocardial scar quantification predicts reverse left ventricular remodeling and survival after cardiac resynchronization therapy implantation: A retrospective pilot study.
J Electrocardiol
March 2016
Introduction: Electrocardiographic (ECG) LV scar quantification may improve prediction of CRT response.
Methods And Results: Data were abstracted in 76 patients who underwent a first CRT implantation at 2 US centers. Selvester QRS scar quantification was performed using the LBBB modified QRS scoring method.