• Eur J Anaesthesiol · Dec 2019

    A systematic review of randomised controlled trials investigating prehabilitation before major intra-abdominal cancer surgery: An analysis of prehabilitation content and outcome measures.

    The benefit of preoperative prehabilitation before undergoing major abdominal cancer surgery is still unclear. Appropriate patient selection is likely a major influence.

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    • Gwendolyn Thomas, Muhammad R Tahir, Bart C Bongers, Victor L Kallen, Gerrit D Slooter, and Nico L van Meeteren.
    • Eur J Anaesthesiol. 2019 Dec 1; 36 (12): 933-945.

    BackgroundAlthough prehabilitation programmes for patients undergoing major intra-abdominal cancer surgery have been shown to improve pre-operative physical fitness, the conclusions regarding any postoperative benefits are inconsistent.ObjectivesThe aim of this study was to evaluate the content of and the outcome measures used in studies of prehabilitation programmes for these patients. It was hypothesised that the content of prehabilitation programmes is often therapeutically invalid, and that the postoperative outcomes assessed are inadequate to evaluate the impact of complications.DesignA systematic review of randomised controlled trials.Data SourcesStudies published between January 2009 and January 2019 were retrieved from PubMed, Embase and PEDro.Eligibility CriteriaStudies were included when they investigated the effects of prehabilitation in patients undergoing intra-abdominal surgery for cancer, reported pre-operative and/or postoperative outcome measures and were conducted as a randomised controlled trial. Studies for which the full text was not available were excluded, as were studies of patients undergoing nonabdominal cancer surgery.ResultsEight studies (565 patients) were included. Therapeutic validity was low in five studies. Most studies included low-risk surgical patients and considerable variation was observed between prehabilitation programmes in terms of supervision, training context, frequency, intensity, duration and training type. Objective monitoring of training progression was typically not performed, and most trials did not include nutritional or psychological support. Postoperative complications were reported in seven studies, but no study reported the impact of postoperative complications, nor on long-term postoperative outcomes.ConclusionThe content of prehabilitation programmes was heterogeneous. Studies with a high therapeutic validity found unequivocal evidence that prehabilitation had beneficial effects on postoperative outcomes. Future research should focus on adequate selection and inclusion of high-risk surgical patients and provide personalised and probably multimodal (partly) supervised prehabilitation, with objective monitoring of progress. Measuring the incidence and impact of postoperative complications may contribute to demonstrating the clinical value of prehabilitation.

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    The benefit of preoperative prehabilitation before undergoing major abdominal cancer surgery is still unclear. Appropriate patient selection is likely a major influence.

    Daniel Jolley  Daniel Jolley
     
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