Effectiveness of non-cardiac preoperative testing in non-cardiac elective surgery: a systematic review.

Abstract

Elective surgery is usually preceded by preoperative diagnostics to minimize risk. The results are assumed to elicit preventive measures or even cancellation of surgery. Moreover, physicians perform preoperative tests as a baseline to detect subsequent changes. This systematic review aims to explore whether preoperative testing leads to changes in management or reduces perioperative mortality or morbidity in unselected patients undergoing elective, non-cardiac surgery. We systematically searched all relevant databases from January 2001 to February 2011 for studies investigating the relationship between preoperative diagnostics and perioperative outcome. Our methodology was based on the manual of the Ludwig Boltzmann Institute for Health Technology Assessment, the Scottish Intercollegiate Guidelines Network (SIGN) handbook, and the PRISMA statement for reporting systematic reviews. One hundred and one of the 25 281 publications retrieved met our inclusion criteria. Three test grid studies used a randomized controlled design and 98 studies used an observational design. The test grid studies show that in cataract surgery and ambulatory surgery, there are no significant differences between patients with indicated preoperative testing and no testing regarding perioperative outcome. The observational studies do not provide valid evidence that preoperative testing is beneficial in healthy adults undergoing non-cardiac surgery. There is no evidence derived from high-quality studies that supports routine preoperative testing in healthy adults undergoing non-cardiac surgery. Testing according to pathological findings in a patient's medical history or physical examination seems justified, although the evidence is scarce. High-quality studies, especially large randomized controlled trials, are needed to explore the effectiveness of indicated preoperative testing.

DOI: 10.1093/bja/aet071
050010001500201220132014201520162017
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@article{Johansson2013EffectivenessON, title={Effectiveness of non-cardiac preoperative testing in non-cardiac elective surgery: a systematic review.}, author={Tim Johansson and Gerhard Fritsch and Maria Flamm and Bernhard Hansbauer and Nora Bachofner and Elana Mann and Matthias Bock and Andreas C. S{\"{o}nnichsen}, journal={British journal of anaesthesia}, year={2013}, volume={110 6}, pages={926-39} }