• J. Am. Coll. Cardiol. · Aug 2011

    Randomized Controlled Trial

    The effect of age on clinical outcomes and health status BARI 2D (Bypass Angioplasty Revascularization Investigation in Type 2 Diabetes).

    • Sheng-Chia Chung, Mark A Hlatky, David Faxon, Kodangudi Ramanathan, Dale Adler, Arshag Mooradian, Charanjit Rihal, Roslyn A Stone, Joyce T Bromberger, Sheryl F Kelsey, Maria Mori Brooks, and BARI 2D Study Group.
    • University of Pittsburgh, Pittsburgh, Pennsylvania, USA. mbrooks@pitt.edu
    • J. Am. Coll. Cardiol. 2011 Aug 16; 58 (8): 810-9.

    ObjectivesThe purpose of this study was to determine the extent to which effectiveness of cardiac and diabetes treatment strategies varies by patient age.BackgroundThe impact of age on the effectiveness of revascularization and hyperglycemia treatments has not been thoroughly investigated.MethodsIn the BARI 2D (Bypass Angioplasty Revascularization Investigation in Type 2 Diabetes) trial, 2,368 patients with documented stable heart disease and type 2 diabetes were randomized to receive prompt revascularization versus initial medical therapy with deferred revascularization and insulin sensitization versus insulin provision for hyperglycemia treatment. Patients were followed for an average of 5.3 years. Cox regression and mixed models were used to investigate the effect of age and randomized treatment assignment on clinical and health status outcomes.ResultsThe effect of prompt revascularization versus medical therapy did not differ by age for death (interaction p = 0.99), major cardiovascular events (interaction p = 0.081), angina (interaction p = 0.98), or health status outcomes. After intervention, participants of all ages had significant angina and health status improvement. Younger participants experienced a smaller decline in health status during follow-up than older participants (age by time interaction p < 0.01). The effect of the randomized glycemia treatment on clinical and health status outcomes was similar for patients of different ages.ConclusionsAmong patients with stable heart disease and type 2 diabetes, the relative beneficial effects of a strategy of prompt revascularization versus initial medical therapy and insulin-sensitizing versus insulin-providing therapy on clinical endpoints, symptom relief, and perceived health status outcomes do not vary by age. Health status improved significantly after treatment for all ages, and this improvement was sustained longer among younger patients. (Bypass Angioplasty Revascularization Investigation in Type 2 Diabetes [BARI 2D]; NCT00006305).Copyright © 2011 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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