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Improved Renal Function After Percutaneous Coronary Intervention in Non-Dialysis Patients With Acute Coronary

Yusuke Uemura1, Shinji Ishikawa1, Kenji Takemoto1

  • 1Department of Cardiology, Cardiovascular Center, Anjo Kosei Hospital, Anjo, Japan.

Cardiovascular Revascularization Medicine : Including Molecular Interventions
|September 21, 2020
PubMed

Insights

Improved renal function (IRF) after percutaneous coronary intervention (PCI) in acute coronary syndrome (ACS) patients with advanced kidney dysfunction is common. This IRF is linked to better long-term kidney outcomes, suggesting hemodynamic stabilization is key.

Area of Science:

  • Cardiology
  • Nephrology
  • Interventional Cardiology

Background:

  • Renal function decline predicts outcomes in coronary artery disease.
  • Percutaneous coronary intervention (PCI) may improve renal function (IRF) in acute coronary syndrome (ACS) patients, but implications are unclear.

Purpose of the Study:

  • Investigate the prevalence and predictors of IRF post-PCI in ACS patients with advanced renal dysfunction.
  • Determine the relationship between IRF and long-term renal outcomes.

Main Methods:

  • Retrospective observational cohort study of 177 ACS patients with eGFR < 30 mL/min/1.73 m² undergoing PCI.
  • IRF defined as a 20% eGFR increase at 7 or 30 days post-PCI.
  • Compared baseline characteristics and renal outcomes between patients with and without IRF.

Main Results:

  • IRF observed in 37.3% of patients.
  • ST-elevation myocardial infarction and shock during PCI independently predicted IRF.
  • Patients with IRF had a lower incidence of initiating permanent dialysis (Log-rank P = 0.015) over a median 695-day follow-up.

Conclusions:

  • IRF is common in ACS patients with advanced renal dysfunction undergoing PCI.
  • ST-elevation myocardial infarction and hemodynamic instability during PCI predict IRF.
  • IRF is associated with favorable long-term renal outcomes, highlighting the importance of hemodynamic stabilization.
Abstract

Keywords:
Acute coronary syndromeAdvanced renal dysfunctionImproved renal functionRenal outcome

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