Document Detail


Brain natriuretic peptide levels during cardiac reperfusion: comparison between percutaneous coronary angioplasty and aorto-coronaric bypass.
MedLine Citation:
PMID:  15026268     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Several studies have documented brain natriuretic peptide (BNP) behavior during cardiac ischemia and after myocardial necrosis. Peptide levels have been shown to be increased during acute phase of cardiac ischemia and during late ventricular remodelling; however, there are fewer data about hormone levels during percutaneous transluminal coronary angioplasty (PTCA) and aorto-coronaric by pass (CABG). METHODS: Aim of this study was to investigate plasma BNP during acute or sub-acute myocardial ischemia in patients undergoing to PTCA or CABG, taking blood samples before and after both procedures. We studied 59 consecutive subjects, 25 submitted to coronary by-pass and 34 submitted to coronary angioplasty. Blood BNP levels were measured the day before intervention and after 3, 7 and 90 days from the procedures. RESULTS: Peptide levels were significantly different just before intervention (GABG group 118.7+/-81 pg/ml vs. PTCA group 34.8+/-15 pg/ml, p<0.01). This difference was increased after 3 days (CABG group 403.2+/-185 pg/ml vs. PTCA group 105.3+/-56 pg/ml, p<0.0001) and after 7 days (CABG group 252.2+/-93 pg/ml vs. PTCA group 69.8+/-36 pg/ml, p<0.00001). These results trend to converge after 90 days (CABG group +/-93 pg/ml vs. PTCA group +/-36 pg/ml, p<0.05). CONCLUSIONS: Plasma BNP shows a different behavior during and after different myocardial reperfusion procedures. PTCA causes only mild and temporary elevation of peptide levels, otherwise CABG demonstrates a more enhancing of BNP release not only in early phase but also after one week; increased levels tend to return towards the reference range after few weeks from cardiac surgery.
Authors:
Alberto Palazzuoli; Arcangelo Carrera; Paolo Calabria; Monica Pastore; Ilaria Quatrini; Lucia Vecchiato; Maria Stella Campagna; Vincenzo Palazzuoli; Ranuccio Nuti
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Clinica chimica acta; international journal of clinical chemistry     Volume:  342     ISSN:  0009-8981     ISO Abbreviation:  Clin. Chim. Acta     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-03-17     Completed Date:  2005-01-11     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  1302422     Medline TA:  Clin Chim Acta     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  87-92     Citation Subset:  IM    
Affiliation:
Department of Internal Medicine and Metabolic Diseases, Section of Cardiology, University of Siena, Ospedale le Scotte, Viale Bracci, 53100, Siena, Italy. palazzuoli2@unisi.it
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MeSH Terms
Descriptor/Qualifier:
Aged
Angioplasty, Transluminal, Percutaneous Coronary*
Coronary Artery Bypass*
Female
Humans
Male
Middle Aged
Myocardial Reperfusion Injury / blood*,  therapy*
Natriuretic Peptide, Brain / blood*
Time Factors
Chemical
Reg. No./Substance:
114471-18-0/Natriuretic Peptide, Brain

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