Baseline inflammatory status and long-term changes in renal function after percutaneous renal artery stenting: a...

Area of Science:

• Nephrology
• Cardiovascular Medicine
• Inflammation Research

Background:

• Elevated baseline serum creatinine is a known predictor of renal function post-renal artery stenting.
• The inflammatory system plays a role in chronic kidney disease progression.
• Systemic inflammation markers may offer additional predictive value for renal function outcomes after stenting.

Purpose of the Study:

• To investigate the independent predictive role of systemic inflammation markers on renal function after renal artery stenting.
• To determine if inflammation markers add predictive value beyond baseline creatinine levels.

Main Methods:

• Prospective, single-center study of 62 patients with advanced chronic kidney disease or resistant hypertension undergoing renal artery stenting.
• Measurement of inflammatory markers (CRP, ESR, WBC) before stenting.
• Assessment of changes in renal function (serum creatinine) at 6-month follow-up.

Main Results:

• No significant overall reduction in serum creatinine at 6 months (p=0.17).
• Higher baseline serum creatinine levels were a significant predictor of decreased creatinine (adjusted OR 2.5, p=0.004).
• Lower C-reactive protein (CRP) levels were independently associated with improved renal function (adjusted OR 0.39, p=0.013).

Conclusions:

• Patients with higher baseline serum creatinine and lower CRP levels benefit most from renal artery stenting.
• CRP is an independent predictor of renal function response after renal artery stenting.
• Inflammation markers, especially CRP, are valuable in predicting outcomes post-stenting.