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Related Experiment Videos

Cardiopulmonary bypass: Evidence or experience based?

Claus Bartels1, Anja Gerdes, Jörg Babin-Ebell

  • 1Clinic for Cardiac Surgery, Medical University of Luebeck, Germany.

The Journal of Thoracic and Cardiovascular Surgery
|July 2, 2002
PubMed
Summary

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Scientific evidence supporting cardiopulmonary bypass (CPB) principles is insufficient. The quality and quantity of data do not yet support evidence-based guidelines for CPB performance in cardiac surgery.

Area of Science:

  • Cardiovascular Surgery
  • Evidence-Based Medicine

Background:

  • Evidence-based medicine is transforming medical practice.
  • Cardiopulmonary bypass (CPB) is a critical component of cardiac surgery.
  • Variations in CPB practices exist among cardiac surgery departments.

Purpose of the Study:

  • To evaluate the scientific evidence supporting current cardiopulmonary bypass (CPB) principles.
  • To assess the quality and quantity of evidence for CPB performance.

Main Methods:

  • Surveyed German cardiac surgery departments on CPB practices.
  • Identified 48 major CPB principles and conducted a Medline literature search.
  • Applied inclusion-exclusion criteria to identify high-quality evidence, including meta-analyses and clinical trials.

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Main Results:

  • Identified 33,000 articles, with 1500 meeting initial criteria.
  • Ultimately selected 225 articles providing the best available evidence for CPB principles.
  • Evidence quality was graded; overall scientific evidence was insufficient for general recommendations.

Conclusions:

  • Scientific data on the effectiveness and safety of key CPB principles are inadequate.
  • Current evidence lacks the necessary quantity and quality for evidence-based guidelines.
  • Further research is needed to establish robust guidelines for CPB.