This is an observational proof of concept study investigating the safety and effectiveness of renal denervation to lower blood pressure in people whose blood pressure is not adequately controlled due to: * intolerance to antihypertensive medication * inability to take antihypertensive medication due to planned pregnancy * renal artery stenosis * chronic kidney disease * non-compliance to antihypertensive medication A total of 125 participants, 25 from each of the groups mentioned above will be recruited to the study. The duration of this study is 36 months.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
23
Renal Denervation
Baker IDI Heart & Diabetes Institute
Melbourne, Victoria, Australia
Change in average office blood pressure
Change in systolic and diastolic average office blood pressure from baseline to 6 months post procedure
Time frame: baseline to 6 months post procedure
Blood pressure control
Percentage of patients who achieved BP target at 6 months post procedure
Time frame: baseline to 6 months post procedure
Number of drugs required to reach target blood pressure
Number of drugs required to reach target blood pressure
Time frame: baseline to 6 months post procedure
Time to achieve blood pressure target
Time to achieve blood pressure target
Time frame: baseline to 6 months post procedure
Change in sympathetic nerve activity
Change in muscle sympathetic nerve activity, renal and whole body Noradrenaline (NA) spillover
Time frame: baseline to 6 months post procedure
Change in left ventricular structure and function
Change in left Ventricular mass index, Ejection Fraction, diastolic filling
Time frame: baseline to 6 months post procedure
Change in Quality of life
Change in Quality of life as assessed by relevant questionnaires
Time frame: baseline to 6 months post procedure
Change in serum and urine Biochemistry
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Plasma renin activity, aldosterone, estimated Glomerular Filtration Rate(eGFR), Urinary Albumin Creatinine Ratio (UACR), inflammatory markers, 24hour urine creatinine clearance, sodium, fasting glucose, fasting insulin, c peptide, Homeostasis Model Assessment (HOMA) index, lipid profile.
Time frame: baseline to 6 months post procedure
Change in markers of arterial stiffness
Change in markers of arterial stiffness including Augmentation Index (AI) and Pulse Wave Velocity (PWV)
Time frame: baseline to 6 months