Clinical Research Directory

Inclusion Criteria: * Renal Transplant Recipients * Capable to consent * English speaking * For studies with patients with fast worsening renal function: An abrupt (within 48 h) reduction in kidney function currently defined as a percentage increase in serum creatinine of ≥50% (1.5-fold from baseline), or a reduction in urine output (documented oliguria of less than 0.5 mL/kg/h for more than 6 h). * For patients with recovered renal allograft function after therapy: renal allograft function as measured by glomerular filtration rate (eGRF) has been recovered and stabilized above a clinical acceptable level, such as 15 ml/min/1.73 mm2. Exclusion Criteria: * On dialysis due to renal allograft failure * Acute and chronic pulmonary disease * Pregnancy as reported in CMRR Safety Screen * Ferromagnetic implants * Any foreign metal objects in the body * History of shrapnel or shot gun injury * Cardiac pacemakers * Defibrillator * Neuronal stimulator * Magnetic aneurysm clip * Large tattoos on the abdomen or the brain and neck, as determined by CMRR Safety Officer * Hip replacement * Too large to fit in the magnet (BMI \>= 40, approx.) * Severe claustrophobia