Document Detail

Coronary revascularization (surgical or percutaneous) decreases mortality after the first year in diabetic subjects but not in nondiabetic subjects with multivessel disease: an analysis from the Medicine, Angioplasty, or Surgery Study (MASS II).
MedLine Citation:
PMID:  16820611     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: It is currently unknown whether revascularization procedures are associated with an improvement in mortality among diabetic subjects, as compared with a more conservative medical treatment. METHODS AND RESULTS: In MASS II, a total of 611 patients with stable multivessel coronary disease were randomly assigned to medical treatment, surgery, or angioplasty. From these, 190 patients had diabetes (medical, 75 patients; angioplasty, 56 patients; surgery, 59 patients) and comprised the present study population. Mortality rates were analyzed for the entire 5 years of follow-up. Separate analyzes were also performed for mortality at 2 time intervals: during the first year and after the first year of follow-up. We calculated the probability of death conditional on surviving to the start of the interval analyzed. The cumulative 5-year mortality as well as the mortality during the first year of follow-up was not significantly different among treatment groups, both for diabetic and for nondiabetic subjects. Also, during years 2 to 5, the mortality of the 3 treatment groups was not different for nondiabetic subjects. Among diabetic subjects, however, patients randomized to angioplasty or surgery had a significantly lower mortality between years 2 and 5 than those allocated to medical treatment (P=0.039). CONCLUSIONS: Surgery, angioplasty, and medical treatment appear to be associated with similar mortality rates for non-diabetic subjects. For diabetic subjects, however, coronary revascularization (percutaneous or surgical) significantly decreased the risk of death after the first year and up to 5 years, compared with medical treatment alone.
Paulo R Soares; Whady A Hueb; Pedro A Lemos; Neuza Lopes; Eulógio E Martinez; Luis A M Cesar; Sergio A Oliveira; Jose A F Ramires
Publication Detail:
Type:  Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Circulation     Volume:  114     ISSN:  1524-4539     ISO Abbreviation:  Circulation     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-07-05     Completed Date:  2006-08-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0147763     Medline TA:  Circulation     Country:  United States    
Other Details:
Languages:  eng     Pagination:  I420-4     Citation Subset:  AIM; IM    
Heart Institute, University of Sao Paulo Medical School, Av. Dr. Enéas de Carvalho Aguiar, 44 sala 114, Sao Paulo-SP 05403-000, Brazil.
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MeSH Terms
Adrenergic beta-Antagonists / therapeutic use
Angioplasty, Balloon, Laser-Assisted / statistics & numerical data
Angioplasty, Transluminal, Percutaneous Coronary* / statistics & numerical data
Angiotensin-Converting Enzyme Inhibitors / therapeutic use
Antihypertensive Agents / therapeutic use
Aspirin / therapeutic use
Coronary Artery Bypass* / statistics & numerical data
Coronary Disease / complications,  drug therapy,  pathology,  surgery*
Diabetes Complications / mortality,  surgery*
Diabetes Mellitus, Type 1 / complications
Diabetes Mellitus, Type 2 / complications
Follow-Up Studies
Hydroxymethylglutaryl-CoA Reductase Inhibitors / therapeutic use
Hypercholesterolemia / complications,  diet therapy,  drug therapy
Hypoglycemic Agents / therapeutic use
Life Tables
Middle Aged
Proportional Hazards Models
Prospective Studies
Retrospective Studies
Survival Analysis
Treatment Outcome
Reg. No./Substance:
0/Adrenergic beta-Antagonists; 0/Angiotensin-Converting Enzyme Inhibitors; 0/Antihypertensive Agents; 0/Hydroxymethylglutaryl-CoA Reductase Inhibitors; 0/Hypoglycemic Agents; 50-78-2/Aspirin

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