Renal function as a risk indicator for cardiovascular events in 3216 patients with manifest arterial disease

Liesbeth Bax1, Ale Algra, Willem P Th M Mali

  • 1Department of Radiology, University Medical Center Utrecht, The Netherlands.

Atherosclerosis
|February 5, 2008
PubMed

Insights

Impaired kidney function significantly increases cardiovascular disease (CVD) risk and mortality in high-risk patients. Moderate to severe renal insufficiency independently predicts adverse vascular events and death, regardless of other risk factors.

Area of Science:

  • Nephrology
  • Cardiology
  • Public Health

Background:

  • Cardiovascular disease (CVD) remains a leading cause of mortality worldwide.
  • The role of impaired renal function as an independent predictor of CVD in high-risk populations requires further elucidation.

Purpose of the Study:

  • To determine if reduced kidney function independently predicts cardiovascular disease (CVD) and mortality.
  • To assess the impact of renal insufficiency on adverse outcomes in patients with established CVD.

Main Methods:

  • A cohort of 3216 patients with existing CVD was studied.
  • Estimated glomerular filtration rate (GFR) was calculated using the MDRD equation.
  • Outcomes included vascular events and all-cause mortality over a median 39-month follow-up.

Main Results:

  • Patients with estimated GFR ≤ 60 ml/min/1.73 m² had a 1.8-fold increased risk of vascular events compared to those with GFR > 90 ml/min/1.73 m².
  • A trend towards increased all-cause mortality was observed (HR 1.4).
  • Renal function's impact was consistent across subgroups defined by vascular disease location or presence of hypertension, diabetes, or albuminuria.

Conclusions:

  • Moderate to severe renal insufficiency is an independent risk factor for adverse cardiovascular events in high-risk individuals.
  • The predictive value of renal function for CVD events is significant, independent of other common risk factors.
Abstract

Related Concept Videos

Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
Factors Affecting Renal Clearance: Renal Impairment01:17

Factors Affecting Renal Clearance: Renal Impairment

Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
Diabetic Nephropathy01:28

Diabetic Nephropathy

Definition Diabetic nephropathy is a chronic kidney complication that results from prolonged hyperglycemia.Prevalence It is the most common cause of chronic kidney disease (CKD) and end-stage renal disease (ESRD) worldwide, affecting up to half of individuals with diabetes.Pathophysiology • Sustained hyperglycemia triggers multiple hemodynamic and metabolic changes in the kidney. • Early in the disease, increased renal blood flow and glomerular hyperfiltration occur due to afferent arteriolar...
Chronic Kidney Disease IV: Nursing Management01:18

Chronic Kidney Disease IV: Nursing Management

Nursing management is essential for preventing complications, maintaining stability, and improving patients' quality of life in chronic kidney disease (CKD). By using a structured approach, nurses help slow CKD progression and support effective patient care​.1. Comprehensive patient assessmentEffective management begins with nurses reviewing the patient’s medical history, and identifying key risk factors like diabetes, hypertension, and nephrotoxic drug use. Nurses assess signs of fluid...
Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...