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Updated: Aug 7, 2026

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
Statement of the problem
1University of Toronto and Toronto General Hospital, Toronto, Ontario, Canada. george.steiner@uhn.on.ca
Abstract:
The Bypass Angioplasty Revascularization Investigation 2 Diabetes (BARI 2D) study poses 2 questions. Of the options in treating the hyperglycemia of type 2 diabetes mellitus, which, if either, would be best for decreasing the likelihood of death or a serious cardiovascular disease event such as a heart attack: correcting the relative insulin deficiency or reducing insulin resistance? Do individuals with diabetes whose coronary disease can be managed medically have a better outcome with initial medical or interventional (percutaneous intervention or coronary artery bypass grafting) treatment? This article outlines the reasons for asking these questions.
Insights
The Bypass Angioplasty Revascularization Investigation 2 Diabetes (BARI 2D) study investigated optimal treatments for type 2 diabetes mellitus. It compared strategies for hyperglycemia and coronary artery disease management to reduce cardiovascular events and mortality.
Area of Science:
- Cardiology
- Endocrinology
- Diabetes Mellitus Research
Background:
- Type 2 diabetes mellitus (T2DM) significantly increases cardiovascular disease (CVD) risk.
- Hyperglycemia management in T2DM requires careful consideration of treatment strategies.
- Coronary artery disease (CAD) in diabetic patients presents complex management challenges.
Purpose of the Study:
- To determine the optimal approach for managing hyperglycemia in T2DM to reduce death or major adverse cardiovascular events.
- To compare the effectiveness of medical versus interventional treatments for coronary artery disease in patients with diabetes.
Main Methods:
- The Bypass Angioplasty Revascularization Investigation 2 Diabetes (BARI 2D) study enrolled patients with T2DM and CAD.
- Investigated two primary questions regarding T2DM and CAD management.
- Compared strategies for correcting insulin deficiency versus reducing insulin resistance for hyperglycemia.
Main Results:
- The study aimed to answer critical questions about T2DM and CAD management.
- Results will inform clinical decisions for diabetic patients with cardiovascular complications.
- Detailed findings on treatment efficacy are presented in the full study.
Conclusions:
- The BARI 2D study provides crucial insights into managing complex T2DM and CAD.
- Findings guide therapeutic choices to improve outcomes for diabetic patients at high cardiovascular risk.
- Evidence-based recommendations for hyperglycemia and CAD treatment strategies are derived from this research.
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