J Korean Med Sci.  2007 Feb;22(1):16-19. 10.3346/jkms.2007.22.1.16.

Changes in N-terminal Pro B-type Natriuretic Peptide Concentration: Comparative Study of Percutaneous Transluminal Coronary Angioplasty and Off-Pump Coronary Artery Bypass Graft

Affiliations
  • 1Department of Thoracic and Cardiovascular Surgery, Korea University Medical Center, Seoul, Korea. harkkim@korea.ac.kr
  • 2Department of Cardiology, Korea University Medical Center, Seoul, Korea.

Abstract

The goal of this study was to compare the effects of different reperfusion methods on N-terminal B-type natriuretic peptide (NT-proBNP) in percutaneous transluminal coronary angioplasty (PTCA) or off-pump coronary artery bypass (OPCAB) patients. Fifty subjects were enrolled in the study, 32 patients received PTCA and 18 OPCAB. An NT-proBNP measurement was performed before intervention and at 1, 3, and 7 days after the procedures. NT-proBNP levels were not significantly different before intervention (PTCA group 297+/-147.3 vs. OPCAB group 235+/-167.8 pg/mL, p>0.05). However, 1 day after the procedures, NT-proBNP levels were higher in the OPCAB group (PTCA 375+/-256.4 vs. OPCAB 1,415+/-737.6 pg/mL, p<0.05), after 3 days NT-proBNP reached peak levels (PTCA 480+/-363.0 vs. OPCAB 2,119+/-818.4 pg/mL, p<0.05), and levels were reduced after 7 days (PTCA 292+/-243.7 vs. OPCAB 522+/-334.0 pg/mL, p>0.05). PTCA induced a mild and transient increase in NT-proBNP concentration, but OPCAB caused sustained high NT-proBNP levels during the 7 day postoperatively. However, differences between NT-proBNP levels associated with these two modalities showed a tendency to decrease rapidly postoperatively.

Keyword

Reperfusion; Natriuretic Peptide, Brain; Angioplasty, Transluminal, Percutaneous Coronary; Coronary Artery Bypass, Off-Pump

MeSH Terms

Peptide Fragments/*blood
Natriuretic Peptide, Brain/*blood
Middle Aged
Male
Humans
Female
*Coronary Artery Bypass, Off-Pump
*Angioplasty, Transluminal, Percutaneous Coronary
Aged, 80 and over
Aged

Figure

  • Fig. 1 Temporal trends shown by NT-proBNP levels. *, p<0.05 significant differences between two groups at each time; †, p<0.05 compared to baseline.


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