In this report we evaluate an image registration technique that can improve the information
content of intraoperative image data by deformable matching of preoperative images. In this …

Objective Atrial fibrillation is often initiated by bursts of ectopic activity arising in the
pulmonary veins. We have previously shown that a 3-h intermittent burst pacing protocol (BPP), …

Background Contrast-enhanced spectral mammography to compare clinical efficacy of
contrast-enhanced spectral mammography (CESM) and conventional digital mammography (…

Coronavirus disease 2019 (COVID‐19) is spreading worldwide; there is a need to address
its sequelae known as Long COVID. This study evaluated postvaccination changes in …

Purkinje cells are specialized for rapid propagation in the heart. Furthermore, Purkinje fibers
as the source as well as the perpetuator of arrhythmias is a familiar finding. This is not …

OBJECTIVE. The purpose of our study was to assess the usefulness of dynamic MRI in
distinguishing high-flow vascular malformations from low-flow vascular malformations, which do …

Background: Despite similar QRS morphology, idiopathic repetitive monomorphic ventricular
tachyarrhythmias (VTs) of left ventricular outflow tract (LVOT) are known to have the …

Background: The pathogenesis of out-of-hospital cardiac arrest (OHCA) without organic
heart disease has not been fully investigated. Methods and Results: Induction tests were …

Aims Dipeptidyl peptidase-4 (DPP-4) inhibitors are reported to have protective effects on
various cells but it is unclear how DPP-4 inhibitors have cardioprotective effects. Our aim was to …

Purpose The long-term symptoms of coronavirus disease 2019 (COVID-19), ie, long COVID,
have drawn research attention. Evaluating its subjective symptoms is difficult, and no …