Related Experiment Videos

Mortality of patients with renal dysfunction after percutaneous coronary intervention

Sebastjan Bevc1, Meta Penko, Vojko Kanic

  • 1Clinic for Internal Medicine, Department of Nephrology, University Medical Center, Maribor, Slovenia. sebastjanb@yahoo.com

Angiology
|June 16, 2009
PubMed

Insights

Renal dysfunction significantly increases mortality risk in acute coronary syndrome (ACS) patients undergoing percutaneous coronary intervention (PCI). Early identification and management of kidney disease are crucial for improving outcomes after PCI procedures.

Area of Science:

  • Cardiology
  • Nephrology
  • Clinical Research

Background:

  • Acute coronary syndrome (ACS) is a leading cause of cardiovascular mortality.
  • Percutaneous coronary intervention (PCI) is a common revascularization strategy for ACS.
  • Renal dysfunction is an underrecognized risk factor for adverse outcomes in cardiovascular disease.

Purpose of the Study:

  • To investigate the association between stages of renal dysfunction and mortality in patients with ACS following PCI.
  • To identify predictors of mortality in this high-risk population.

Main Methods:

  • A cohort of 449 ACS patients undergoing PCI was analyzed.
  • Renal function was assessed using serum creatinine and calculated creatinine clearance (MDRD formula).
  • Kaplan-Meier survival analysis and adjusted Cox regression models were employed to evaluate mortality risk.

Main Results:

  • Chronic kidney disease (CKD) prevalence (GFR <60 mL/min/1.73 m²) was 26.3%.
  • Mortality risk increased progressively with higher stages of renal dysfunction (Stage 1-4).
  • Independent predictors of mortality included gender, age, total cholesterol, and stage of renal dysfunction.

Conclusions:

  • Advanced stages of renal dysfunction are directly associated with increased mortality in ACS patients post-PCI.
  • Renal function status is a critical determinant of long-term survival after PCI for ACS.
  • This study highlights the importance of considering renal impairment in risk stratification and management strategies for ACS patients.
Abstract

Related Concept Videos

Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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...
Renal Failure: Dose Adjustments01:11

Renal Failure: Dose Adjustments

In patients with renal impairment, drugs undergo significant changes in their pharmacokinetics, which require dosage adjustments to ensure safe and effective therapy.
Reduced renal clearance and elimination rate are common outcomes of renal impairment. These alterations lead to a prolonged elimination half-life and an altered apparent volume of distribution for drugs. As a result, dosage adjustments are typically necessary to maintain optimal drug levels in the body.
However, dosage adjustments...
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...
Acute Kidney Injury V: Interprofessional Care01:20

Acute Kidney Injury V: Interprofessional Care

Acute Kidney Injury (AKI) requires a collaborative healthcare approach to restore renal function and prevent complications. Essential management strategies involve monitoring fluid and electrolyte balance, adjusting medications, initiating dialysis when necessary, and providing nutritional support.Fluid and Electrolyte ManagementFluid Monitoring: Regularly monitoring body weight, central venous pressure, and urine output helps detect fluid imbalances early. Patient intake and output are...
Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...