Dietary Sodium Intake and Blood Pressure in Living Kidney Donors

Inclusion Criteria: * Living kidney donors who underwent a living kidney donation at least 5 months ago but not more than 12 months * Age ≥18 years old * Agree to perform the procedure as per study protocol (Table 1) * Living kidney donors with an average sitting SBP \<160 mmHg at 5-month post-donation measured by automatic office blood pressure (AOBP) * Able to sign informed consent * Able to attend all research visits * Woman using birth control methods other than hormonal contraception Exclusion Criteria: * History of previous cardiovascular (CV) events including acute MI, HF, and stroke * Symptomatic heart failure within 5 months after living kidney donation or left ventricular ejection fraction (by any method) \<35% * CV event or procedure or hospitalization for hypertensive-related disorders within 5 months after living kidney donation * Diagnosed with HTN or on antihypertensive medication(s) before living kidney donation * Patients who are supposed to take BP lowering medications for reasons other than BP control but do not take those medications or take them with in appropriate doses * Arm circumference is too small or large to allow accurate BP measurement with available 24-h ABPM machines. * An average standing SBP ≥160 mmHg at 5-month post-donation measured by automatic office blood pressure (AOBP) * Albuminuria that equals or is equivalent to 1 g per day by using spot urinary albumin per urine creatinine ratio (UACR) or 24-hour urinary albumin excretion rate by…