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Low-dose atrial natriuretic peptide for chronic kidney disease in coronary surgery

Isamu Yoshitake1, Akira Sezai, Mitsumasa Hata

  • 1Department of Cardiovascular Surgery, Nihon University School of Medicine, Tokyo, Japan. iyoshita@med.nihon-u.ac.jp

Annals of Thoracic and Cardiovascular Surgery : Official Journal of the Association of Thoracic and Cardiovascular Surgeons of Asia
|September 2, 2011
PubMed

Insights

Human atrial natriuretic peptide (hANP) infusion during coronary artery bypass grafting (CABG) in chronic kidney disease (CKD) patients improved renal function and prevented CKD progression. This study highlights hANP as a potential therapeutic agent for CKD patients undergoing CABG.

Area of Science:

  • Nephrology
  • Cardiology
  • Pharmacology

Background:

  • Chronic kidney disease (CKD) is a significant independent risk factor for cardiovascular disease.
  • Coronary artery bypass grafting (CABG) is a common surgical procedure for cardiovascular disease.

Purpose of the Study:

  • To investigate the effectiveness of human atrial natriuretic peptide (hANP) infusion in CKD patients undergoing CABG.
  • To evaluate the impact of hANP on perioperative renal function and CKD progression in this patient population.

Main Methods:

  • A retrospective analysis of 134 consecutive CABG cases from 2002 to 2005.
  • Patients were divided into four groups: CKD + placebo, non-CKD + placebo, CKD + hANP, and non-CKD + hANP.
  • Serum creatinine and estimated glomerular filtration rate were measured preoperatively and at 1 year postoperatively.

Main Results:

  • A significant difference in the change of creatinine was observed between the CKD + placebo group and the CKD + hANP group (p=0.0022).
  • hANP infusion in CKD patients showed improved renal function postoperatively compared to placebo.
  • The hANP group demonstrated a trend towards better preservation of renal function at 1 year post-CABG.

Conclusions:

  • Infusion of hANP during CABG in patients with CKD improves perioperative renal function.
  • hANP administration in this context also appears to prevent the progression of chronic kidney disease.
  • hANP is a promising therapeutic option for managing renal function in CKD patients undergoing CABG.
Abstract

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