Adenosine is an endogenous nucleoside with a short half-life that regulates many
physiological functions involving the heart and cardiovascular system. Among the …

The blood–brain barrier (BBB) plays an important protective role in the central nervous
system and maintains its homeostasis. It regulates transport into brain tissue and protects …

Background The prognostic value of regadenoson SPECT myocardial perfusion imaging
(MPI) has not been specifically studied in patients with end-stage renal disease (ESRD) …

Cardiovascular stress testing provides a highly effective resource for diagnosis, prognosis,
and assessment of therapeutic effectiveness and residual risk in the management of …

Cardiac risk assessment before kidney transplantation has become widely accepted.
However, the optimal patient selection and screening tool for cardiac assessment remain …

Stress testing is challenging in patients with chronic obstructive pulmonary disease (COPD).
Functional capacity is generally decreased in this patient population, limiting patients' ability …

Computed tomography (CT) imaging of the heart has advanced rapidly, and it is now
possible to perform a comprehensive assessment at a low radiation dose. CT myocardial …

Background Blunted heart rate response (HRR) to vasodilator stress agents is associated
with worse outcomes. There are limited data assessing the effect of impaired HRR to …

Cardiac risk assessment prior to kidney and liver transplantation is controversial. Given the
paucity of available organs, selecting appropriate recipients with favorable short-and long …

Abstract Purpose of Review Patients with end-stage renal disease (ESRD) have an
increased risk of cardiovascular morbidity and mortality. Cardiac risk assessment, though …