Renal Artery Stenting and Blood Pressure Control

doi:N/A

Bangaldesh Journal of Cardivascular Medicine

2025, Volume 3, Issue 3 : 1-6

Research Article

Renal Artery Stenting and Blood Pressure Control

Imran Hossain

Farhana Akter

Mahmud Karim

Nusrat Jahan

⁴

Kamal Uddin

⁵

Department of Interventional Cardiology, National Heart Institute, Dhaka, Bangladesh

Department of Nephrology, Bangladesh Medical University, Dhaka, Bangladesh

Department of Vascular Medicine, Chattogram Medical College, Bangladesh

⁴

Department of Internal Medicine, South Asia Medical Institute, Dhaka, Bangladesh

⁵

Department of Cardiovascular Research, Eastern Heart Centre, Dhaka, Bangladesh

Abstract

Background: Atherosclerotic renal artery stenosis is an important secondary cause of resistant hypertension. Although medical therapy remains first-line treatment, renal artery stenting may benefit selected patients with refractory hypertension, recurrent pulmonary edema, or progressive renal dysfunction.

Objective: To evaluate the effect of renal artery stenting on blood pressure control, antihypertensive medication burden, and renal function.

Methods: A prospective observational study was conducted among 186 patients with significant renal artery stenosis undergoing stent implantation. Blood pressure, renal function, and medication use were assessed at baseline, 1 month, 6 months, and 12 months.

Results: Mean systolic blood pressure decreased from 168.4±18.6 mmHg at baseline to 142.7±16.2 mmHg at 12 months. Mean diastolic pressure decreased from 94.8±10.5 mmHg to 82.3±8.9 mmHg. The average number of antihypertensive drugs decreased from 3.8±1.1 to 2.6±1.0. Renal function remained stable in most patients. Greater benefit was observed in patients with resistant hypertension and bilateral renal artery disease.

Conclusion: Renal artery stenting may improve blood pressure control and reduce medication burden in carefully selected patients. Routine stenting for all patients with renal artery stenosis is not supported; individualized patient selection is essential.

Keywords

Renal artery stenosis

Renal artery stenting

Resistant hypertension

Blood pressure control

Renovascular hypertension

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