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CPET in Colorectal Surgery

ABSTRACT: The present study is a retrospective analysis of prospectively collected clinical data. Anonymized data from patients collected during routine clinical care from 7 major colorectal units in the UK who perform pre-operative cardiopulmonary exercise testing will be pooled at a central location (Aintree University Hospitals, Liverpool) and used to validate the relationship between cardiopulmonary exercise testing (CPET) variables and short term post-operative outcomes after major colorectal surgery. Here the investigators will attempt to validate a study entitled "Cardiopulmonary exercise variables are associated with postoperative morbidity after major colonic surgery - a prospective blinded observational study" previously published by our team in Liverpool .

DISEASE(S): Colorectal Cancer,Colorectal Neoplasms

PROVIDER: 2178894 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:Colorectal Surgery Preoperative Exercise Training is a study being run by the colorectal surgery team at the Norfolk and Norwich University Hospital and the University of East Anglia to look at the role of exercise before surgery to improve recovery following an operation. Having an operation to remove part of the bowel puts physical stress on the body. We know that training can help the body cope with physical stress in the same way that an athlete trains before a competition. We hypothesise that the body may recover more quickly if it is trained prior to an operation with regular and simple exercises. Cardiopulmonary exercise testing (CPET) is used to evaluate the function of the lungs, heart and muscles at rest and during exercise. CPET testing is often done as part of standard pre-operative assessment in many hospitals for patients before undergoing major surgery. Some studies have demonstrated that CPET can be used to predict outcomes following surgery (such as time taken till discharge, complication rates). The study consists of two parts: Study 1) CPET variables to predict outcomes in surgery - patients will undergo a CPET test to determine baseline fitness. Blood tests will be taken around the time of surgery to examine whether biochemical markers in the bloodstream (when used in combination with results from the CPET test) can predict outcomes and recovery following colorectal surgery. Patients will then be monitored to assess their speed of recovery and rate of complications following surgery. This will enable us to determine which CPET variables or combination of variables are most useful in the prediction of post-operative complications following colorectal surgery. 2) The second study will consist of an exercise intervention involving several sessions of supervised exercise in a laboratory. Before and at the end the exercise training regime, CPET measurements will be taken to see if fitness has improved with exercise. This part of of the study is to determine if it is feasible to implement a structured, supervised exercise programme for patients awaiting elective colorectal cancer surgery. The results of this study will be used to inform a larger randomised controlled trial to examine the influence of exercise on CPET variables and postoperative outcomes.

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CPET in Colorectal Surgery

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