MSGID: 1:317/3 64af7de5   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    Pre-operative exercise substantially helps with recovery    
    56% drop in post-operative complications and shorter stays in hospital   
      
      
     Date:   
         July 12, 2023   
     Source:   
         University of Otago   
     Summary:   
         Policy-makers are being urged to take notice of a study that   
         confirms that undertaking a short program of high intensity interval   
         training before surgery can substantially help with recovery.   
      
      
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   Policy-makers are being urged to take notice of a University of Otago   
   study that confirms that undertaking a short programme of high intensity   
   interval training before surgery can substantially help with recovery.   
      
   The study, published in the journal Surgery,reviewed and analysed   
   12 studies including 832 patients who had undertaken preoperative   
   high-intensity interval training. Such training involves repeated aerobic   
   high-intensity intervals at about 80 per cent of the maximum heart rate   
   followed by active recovery.   
      
   Lead investigator Dr Kari Clifford says the study included all types of   
   major surgeries -- those expected to last more than two hours or with   
   an anticipated blood loss of greater than 500ml -- and included liver,   
   lung, colorectal, urologic and mixed major abdominal surgeries. The   
   average age of participants in the intervention group was 66 and 67 in   
   the control group.   
      
   "We have found that high intensity interval training (HIIT) is safe   
   and effective for surgical patients. A HIIT program can meaningfully   
   improve a patient's fitness within four to six weeks, and this reduces   
   postoperative complications and length of stay."  The most significant   
   result was the change in cardiorespiratory fitness (CRF) - - a measure   
   of how well the body takes in oxygen and delivers it to the muscles and   
   organs during prolonged periods of exercise.   
      
   "The pooled results suggest that HIIT increases cardiorespiratory fitness   
   by 2.39 ml/min/kg. This is not only significantly different than standard   
   surgical care, but is also clinically relevant: we know that this level   
   of increase is associated with a lower risk of adverse postoperative   
   outcomes."  Generally, post operative complications occur in about 30   
   per cent of patients, or up to 50 per cent for frail patients. In the   
   study, those who undertook high intensity interval training prior to   
   surgery, showed a consistent reduction in post-surgery complications,   
   such as cardiac complications, pneumonia, and postoperative bowel issues,   
   she says.   
      
   "Our study's pooled results showed that HIIT reduces the risk of having   
   a complication by 56 per cent, which is substantial; and on average they   
   stayed for three fewer days in hospital."  "All of these findings suggest   
   that a period -- even as brief as four weeks - - of pre-surgery high   
   intensity interval training may substantially improve patient outcomes   
   and bring with it robust benefits across patient populations," she says.   
      
   The next step is to find out how to implement such programmes.   
      
   "Supervised exercise programs can be expensive, so we are looking   
   at how effective it is to support people training at home or in the   
   community. Funding these programs may save money in the long term by   
   reducing the cost of hospital stay and surgical complications.   
      
   "In the meantime, I would say to everyone, it is never too late to improve   
   fitness, and this can really make a difference to health outcomes in   
   the surgical context."   
       * RELATED_TOPICS   
             o Health_&_Medicine   
                   # Fitness # Medical_Education_and_Training #   
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       * RELATED_TERMS   
             o Jogging o Functional_training o Laparoscopic_surgery   
             o Robotic_surgery o Plastic_surgery o Weight_training o   
             Anaerobic_exercise o Surgery   
      
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   provided by University_of_Otago. Note: Content may be edited for style   
   and length.   
      
      
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   Journal Reference:   
      1. Kari Clifford, John C. Woodfield, William Tait, Holly A. Campbell,   
      James   
         Chris Baldi. Association of Preoperative High-Intensity Interval   
         Training With Cardiorespiratory Fitness and Postoperative Outcomes   
         Among Adults Undergoing Major Surgery. JAMA Network Open, 2023;   
         6 (6): e2320527 DOI: 10.1001/jamanetworkopen.2023.20527   
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   Link to news story:   
   https://www.sciencedaily.com/releases/2023/07/230712011445.htm   
      
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