ACC、AHA2007围手术期心血管评估和非心脏手术护理指南
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J Am Coll Cardiol 2007;50 e159-e241
Applying Classification of Recommendations and Level of Evidence
Level A
Multiple (3-5) population risk strata evaluated
General consistency of direction and magnitude of effect
Class I
Class IIa
Class IIb
Class III
• Recommendation that procedure or treatment is useful/ effective
Class I
Class IIa
Class IIb
Class III
• Recommendation that procedure or treatment is useful/effective
• Limited evidence from single randomized trial or nonrandomized studies
• Sufficient evidence from multiple randomized trials or metaanalyses
Applying Classification of Recommendations and Level of Evidence
Level B
Limited (2-3) population risk strata evaluated
ACC/AHA 2007 Guidelines on Perioperative Cardiovascular Evaluation and Care for Noncardiac
Surgery
A Report of the American College of Cardiology/American Heart
Class IIa
Class IIb
Class III
Very limited (1-2) population risk strata evaluated
来自百度文库
• Recommendation that procedure or treatment is useful/ effective
• Only expert opinion, case studies, or standard-of-care
Association Task Force on Practice Guidelines (Writing Committee to
Revise the 2002 Guidelines on Perioperative Cardiovascular Evaluation for Noncardiac Surgery)
• Recommendation in favor of treatment or procedure being useful/effective
• Only diverging expert opinion, case studies, or standard-of-care
• Recommendation’s usefulness/ efficacy less well established
• Only diverging expert opinion, case studies, or standard-of-care
• Recommendation that procedure or treatment not useful/effective and may be harmful
• Sufficient evidence from multiple randomized trials or metaanalyses
• Recommendation in favor of treatment or procedure being useful/ effective
• Some conflicting evidence from multiple randomized trials or metaanalyses
• Recommendation’s usefulness/ efficacy less well established
• Greater conflicting evidence from multiple randomized trials or metaanalyses
• Recommendation that procedure or treatment not useful/effective and may be harmful
• Limited evidence from single randomized trial or nonrandomized studies
Applying Classification of Recommendations and Level of Evidence
Level C
Class I
• Recommendation’s usefulness/ efficacy less well established
• Greater conflicting evidence from single randomized trial or nonrandomized studies
• Recommendation that procedure or treatment not useful/effective and may be harmful
• Recommendation in favor of treatment or procedure being useful/ effective
• Some conflicting evidence from single randomized trial or nonrandomized studies
Applying Classification of Recommendations and Level of Evidence
Level A
Multiple (3-5) population risk strata evaluated
General consistency of direction and magnitude of effect
Class I
Class IIa
Class IIb
Class III
• Recommendation that procedure or treatment is useful/ effective
Class I
Class IIa
Class IIb
Class III
• Recommendation that procedure or treatment is useful/effective
• Limited evidence from single randomized trial or nonrandomized studies
• Sufficient evidence from multiple randomized trials or metaanalyses
Applying Classification of Recommendations and Level of Evidence
Level B
Limited (2-3) population risk strata evaluated
ACC/AHA 2007 Guidelines on Perioperative Cardiovascular Evaluation and Care for Noncardiac
Surgery
A Report of the American College of Cardiology/American Heart
Class IIa
Class IIb
Class III
Very limited (1-2) population risk strata evaluated
来自百度文库
• Recommendation that procedure or treatment is useful/ effective
• Only expert opinion, case studies, or standard-of-care
Association Task Force on Practice Guidelines (Writing Committee to
Revise the 2002 Guidelines on Perioperative Cardiovascular Evaluation for Noncardiac Surgery)
• Recommendation in favor of treatment or procedure being useful/effective
• Only diverging expert opinion, case studies, or standard-of-care
• Recommendation’s usefulness/ efficacy less well established
• Only diverging expert opinion, case studies, or standard-of-care
• Recommendation that procedure or treatment not useful/effective and may be harmful
• Sufficient evidence from multiple randomized trials or metaanalyses
• Recommendation in favor of treatment or procedure being useful/ effective
• Some conflicting evidence from multiple randomized trials or metaanalyses
• Recommendation’s usefulness/ efficacy less well established
• Greater conflicting evidence from multiple randomized trials or metaanalyses
• Recommendation that procedure or treatment not useful/effective and may be harmful
• Limited evidence from single randomized trial or nonrandomized studies
Applying Classification of Recommendations and Level of Evidence
Level C
Class I
• Recommendation’s usefulness/ efficacy less well established
• Greater conflicting evidence from single randomized trial or nonrandomized studies
• Recommendation that procedure or treatment not useful/effective and may be harmful
• Recommendation in favor of treatment or procedure being useful/ effective
• Some conflicting evidence from single randomized trial or nonrandomized studies